BIODATA OF DR. DANDA SRINIVAS RAO

1. Name: Dr. DANDA SRINIVAS RAO

2. Date of Birth: 30.06.1964 (Thirty June Nineteen Hundred Sixty Four)

3. Address with telephone/Fax/e-mail: (a) Official

Chief Scientist CSIR-Institute of Minerals and Materials Technology Bhubaneswar - 751013, Odisha. Tel: 0674-2379465, Fax 0674-2377637 / 2567160 Mobile: 9777333176 E.mail: dsrao@immt.res.in

(b) Residential Flat No. 301, Block -2, Supratik Elegance, Jagamara, Khandagiri, Bhubaneswar-751030, ODISHA Tel: 0674-2379465 , (M): 09777333176 E.mail: drdandasrinivasrao@gmail.com, nmldsr@yahoo.co.in

4. Field of specialization: Applied Mineralogy and Mineral Beneficiation

5. Qualifications

Sl. No.

Degree/ Board / University

Subject Class/ Marks

Year Additional Particulars /Rank

1 H.S.C.E. (BSE, Orissa)

Math.(II), Sci., Eng(II)., HGC, Oriya, Sans.

1st division 65%

1980

2 I.Sc. (Berhampur University)

Maths., Phy., Chem. & Geology

1st division 72%

1982 Jr. Merit Scholarship from Govt. of Odisha 1980-1982

3 B.Sc. (Hons) (Honours in Geology) (Berhampur University)

Physics, Chemistry Geology(Hons)

First Class distinction

1984

4 M.Sc. (Berhampur University)

Geology First class First, 77.5%

1986 Received two Gold Medals

5 Ph.D. (Mineralogy and Geochemistry of Precambrian Manganese Ore Deposits of Nishikhal, Koraput District, Orissa) (Utkal University)

Geology ------------

1996

Guide: Dr.B.C.Acharya Co-guide: Dr. R.K.Sahoo (RRL, Bhubaneswar) Co-guide:Prof.B.Dash (Utkal University, Bhubaneswar)

8. Positions held earlier (in chonological order)

Sl.No.

From To Designation Employee detail Additional information/ comments, if any

1 5/10/1987 5/10/1992 JRF and SRF

Director, Regional Research Laboratory, Bhubaneswar-751013, Odisha

For completing my Ph.D. degree

2 15/1/1993 15/1/1996 Fellow Scientist (QHF)

Director, Regional Research Laboratory, Bhubaneswar -751013, Odisha

After Ph.D.

3 16/1/1996 07/6/1997 Geologist Geomin Consultants Pvt. Ltd., Bhubaneswar Odisha

Private industry job

4 09/6/1997 June 2001 Scientist C Director, CSIR-NML, Jamshedpur -831007

Characterizationand Beneficiation studies of low grade ores / minerals

5 June 2001 December 2005

Scientist E I Director, CSIR-NML, Jamshedpur -831007 (SIC, NML-MC)

Beneficiation studies on ores/minerals

6 December 2005

June 2010 Scientist EII Director, CSIR-IMMT, Bhubaneswar-751013 Odisha

Characterizationand Beneficiation studies of low grade ores / minerals

7 09/06/2010 June 2015 Senior Principal Scientist

Director, CSIR-IMMT, Bhubaneswar -751013 Odisha

Characterization and Beneficiation studies of low grade ores / minerals

8 June 2015 To till date Chief Scientist

Director, CSIR-IMMT, Bhubaneswar -751013 Odisha

Characterization and Beneficiation studies of low grade ores / minerals and mineral industry waste products

9. Membership of academic, scientific and professional bodies.

a. Indian Institute of Mineral Engineers (IIME) b. Indian Institute of Metals (IIM) c. Society of Geoscientists and Allied Technologists (SGAT) d. Geological, Mining & Metallurgical Institute of India (MGMI) e. Indian Society of Applied Geochemists (ISAG) f. Mining Engineers Association of India (MEAI) g. Indian Institute of Chemical Engineers (IIChE) h. South Asian Association of Economic Geologists (SAAEG) i. Indian Geological Congress (IGC) j. Odisha Bigyan Academy (OBA)

10. Honours / Awards conferred/received

i. LALA RAMKISHORE SINGHAL AWARD for outstanding contribution in the field of Conservation of Minerals; awarded by “The Mining, Geological & Metallurgical Institute (MGMI) of India, Kolkata” in 2018.

ii. IIME MINERAL/COAL BENEFICIATION AWARD ACADEMIC /R & D for outstanding professional contributions to Mineral Engineering, instituted by Indian Institute of Mineral Engineers (IIME) and awarded in 2018.

iii. R.P. BHATNAGAR AWARD: In recognition of the outstanding contributions of

in the field of mineral beneficiation/Mineral Industry awarded by “The Mining, Geological & Metallurgical Institute (MGMI) of India, Kolkata” in 2017.

iv. SITARAM RUNGTA MEMORIAL AWARD: In recognition of the design and

development of commercial size flotation columns at IREL Chhatrapur, Odisha (for sillimanite Beneficiation) and Salem (for Limestone Beneficiation). Awarded by “Society of Geoscientist & Allied Technologists (SGAT), Odisha” in 2015.

Technology Transfer/Development Awards (Group awards)

v. TECHNOLOGY AWARD for the Technology Developed on “Recovery of iron ore values from low and lean grade iron ore resources” from “CSIR, New Delhi” in 2017.

vi. ALTEKAR AWARD for the Technology Transfer (Column Flotation), from “CSIR-National Metallurgical Laboratory, Jamshedpur” in 2006. This is in recognition of team work on design and development of laboratory size, pilot size and commercial size flotation columns.

Best Paper Presented/Published Awards vii. NIJHAWAN AWARD for Best Published Paper from “CSIR-National

Metallurgical Laboratory, Jamshedpur” in 2005.

viii. PERAVADHANULU AWARD Best Technical Paper presented (on characterization) from “Indian Institute of Mineral Engineers” in 2006.

ix. MISHRA AWARD Best Published Paper from “Indian Institute of Mineral

Engineers” in 2006.

x. BEST PUBLISHED PAPER AWARD Best Published Paper (on characterisation) award from “Indian Institute of Mineral Engineers” in 2007.

xi. BEST PRESENTED PAPER AWARD Best Presented Paper (on

beneficiation) award from “Indian Institute of Mineral Engineers” in 2009.

xii. ER. SANKARSAN JENA MEMORIAL AWARD Best Technical Paper Presented at 50th Annual Technical Session of “Institution of Engineers, Orissa State Centre, Bhubaneswar” in 2009.

xiii. PERAVADHANULU AWARD Best Technical Paper Presented (on characterization) from “Indian Institute of Mineral Engineers” in 2010.

xiv. INSTITUTION PRIZE for the paper published, in Institution of Engineers

Journal Series D, Volume, 95, in 2014; by “The Institution of Engineers (India)” in 2015.

xv. PERAVADHANULU AWARD Best Technical Paper Presented (on

characterization) from “Indian Institute of Mineral Engineers” in 2017. RECEIVED HOTTEST ARTICLE CERTIFICATES FROM ELSEVIER

xvi. For the paper entitled “Studies on extraction of potassium values from nepheline

syenite”. Published in “International Journal of Mineral Processing”, 2014, V.133, pp.13-24.

xvii. For the paper entitled “Magnetic separation studies for a low grade siliceous iron ore sample”. Published in “International Journal of Mining Science and Technology”, 2013, V.23, Issue 1, pp.1-5.

xviii. For the paper entitled “Dissolution studies of mechanically activated

Manavalakurichi ilmenite with HCL and H2SO4”. Published in “Hydrometallurgy”, 2007, V.88, Issue 1-4, pp.154-169.

Rank at University/School

xix. GOLD MEDAL FOR 1ST POSITION Securing highest marks in M.Sc. (Geology) from Berhampur University in 1986.

xx. R. P. PADHI MEMORIAL GOLD MEDAL Securing highest marks among all Post Graduate Examinations from Berhampur University in 1986.

xxi. JR. MERIT SCHLORSHIP for H.S.C.E., Govt. of Orissa during 1980 - 1982.

Sitaram Rungta Memorial Award by SGAT, 2015,

Receiving from Prof. D.D. Mishra, Ex Director, CMRI,

Dhanbad

R.P. Bhatnagar Award by MGMI, 2017, Receiving from

Dr. N. K. Nanda, Director (Technical) NMDC, Hyderabad

IIME MINERAL/COAL BENEFICIATION AWARD ACADEMIC /R & D for

outstanding professional contributions to Mineral Engineering, instituted by Indian

Institute of Mineral Engineers (IIME) and awarded in 2018, from B.K. Mishra

(Director, IIT, Goa), President IIME.

11. LIST OF RESEARCH PUBLICATIONS IN REFERRED JOURNALS

A. CHARACTERIZATION & UTILIZATION OF MINERAL INDUSTRY

WASTES

Blast Furnace Fluedust

1) S.S. Rath, D.S. Rao, S.K. Tripathy & S.K. Biswal (2018) Characterization vis-á-vis

utilization of blast furnace flue dust in the roast reduction of banded iron ore. PROCESS

SAFETY AND ENVIRONMENTAL PROTECTION, V.117, pp.232-244 (IF 2.905).

Dolochar (Sponge Iron Industry Waste)

2) S.S. Rath & D.S. Rao (2017) Dolochar as a reductant in the roast reduction of iron ore slimes. INTERNATIONAL JOURNAL OF MINERALS, METALLURGY AND MATERIALS, V.24, No.12, pp.1341-1351 (IF 0.943).

3) R.K. Dwari, D.S. Rao, A.K. Swar, P.S.R. Reddy & B.K. Mishra (2012) Characterization of dolochar wastes generated by the sponge iron industry. INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS, V.19, No.11, pp.992-1003. (IF 0.943).

Ferrochrome Industry Fluedust

4) D.S. Rao, S.I. Angadi & S.K. Das (2012) Electron microscopic studies of ferrochrome industry flue dust and their implications on possible re-use. WORLD OF METALLURGY - ERZMETAL, V.65, No.6, pp.368-374.

5) S.I. Angadi, D.S. Rao, A.R. Prasad & R.B. Rao (2011) Recovery of ferrochrome values from flue dust generated in ferroalloy production - a case study. MINERAL PROCESSING AND EXTRACTIVE METALLURGY (TIMM C), V. 120, No.1, pp.61-63 (IF 0.89).

6) D.S. Rao, S.I. Angadi, S.D. Muduli & B.D. Nayak (2010) Recovery of chromite values from the ferro-chrome industry flue dust. AT MINERAL PROCESSING, V.51, No.12, pp.56-63.

Ferochrome Slag

7) C.R. Panda, K. K. Mishra, B.D. Nayak, D.S. Rao & B.B. Nayak (2012) Release behaviour of chromium from ferrochrome slag. INTERNATIONAL JOURNAL OF ENVIRONMENTAL TECHNOLOGY AND MANAGEMENT. V.15, No.3-6, 261-274 (IF 0.89).

8) P.N. Pathak, S. Dey, D.S. Rao & S.C. Maulik (2000) Recycling: an alternative to disposal. A case study for the ferrochrome slag from IDCOL, Orissa. JOURNAL OF METALLURGY & MATERIALS SCIENCE, V.42, No.4, pp.249-253.

Copper Slag

9) D.S. Rao, S. Angadi & P.S.R. Reddy (2015) Characterization of precious metal resources in copper slag and their implications in beneficiation. JOURNAL OF THE INSTITUTION OF ENGINEERS (INDIA): SERIES D, V.96, No.1, pp.7-13.

10) S. Panda, S. Mishra, D.S. Rao, N. Pradhan, U. Mohapatra, S. Angadi & B.K. Mishra (2015) Extraction of copper from copper slag: Mineralogical insights, physical beneficiation and bioleaching studies. THE KOREAN JOURNAL OF CHEMICAL ENGINEERING, 2015, V.32, No.4, pp. 667-676 (IF 2.007).

B. CHARACTERIZATION & UTILIZATION OF MINERAL BENEFICIATION WASTES

11) S.S. Rath, D.S. Rao, A. Tripathy & S.K. Biswal (2018) Biomass briquette as an alternative reductant for low grade iron ore resources. BIOMASS AND BIOENERGY, V.108, No.2, pp.447-454 (IF 3.219).

12) S.S. Rath, D.S. Rao & B.K. Mishra (2016) A novel approach for reduction roasting of iron ore slime using cow dung. INTERNATIONAL JOURNAL OF MINERAL PROCESSING, 2016, V.57, pp.216-226 (IF 1.561).

13) S.K. Jena, H. Sahoo, S.S. Rath, D.S. Rao, S.K. Das & B. Das (2014) Characterization and processing of iron ore slimes for recovery of iron values. MINERAL PROCESSING & EXTRACTIVE METALLURGY REVIEW: AN INTERNATIONAL JOURNAL, V.36, No.3, pp. 174-182 (IF 1.06).

14) T.V.V. Kumar, D.S. Rao, S.S. Rao, S. Prabhakar & G.B. Raju (2013) Column flotation studies on low grade iron ore slimes of an operating plant in India. JOURNAL OF MINING & METALLURGY, V.49A, No. 1, pp.57-66.

15) S. Panda, N. Pradhan, U. Mohapatra, S.K. Panda, S.S. Rath, D.S. Rao, B.D. Nayak, L.B. Sukla & B.K. Mishra (2013) Bioleaching of copper from pre and post thermally activated low grade chalcopyrite contained ball mill spillage. FRONTIERS OF ENVIRONMENTAL SCIENCE AND ENGINEERING, V.7, No.2, pp.281-293 (IF 1.716).

16) D.S. Rao, T.V.V. Kumar, S.S. Rao, S. Prabhakar & G.B. Raju (2011) Effectiveness of sodium silicate as gangue depressants in iron ore slimes flotation. INTERNATIONAL JOURNAL OF MINERALS METALLURGY & MATERIALS, V.18, No.5, pp.515-522 (IF 0.943).

17) T.V.V. Kumar, D.S. Rao, S.S. Rao, S. Prabhakar & G.B. Raju (2010) Reverse flotation studies on an Indian low grade iron ore slimes. INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE AND TECHNOLOGY, V.2, No.4, pp.634-645.

18) C. Raghu Kumar, S. Tripathy & D.S. Rao (2009) Characterisation and pre-concentration of chromite values from plant tailings using floatex density separator. JOURNAL OF MINERALS & MATERIALS CHARACTERIZATION & ENGINEERING, V.8, No.5, pp.367-378 (IF 1.29).

C. ENVIRONMENT STUDIES IN AND AROUND METALLIFEROUS MINES Mine Environment

19) S. Das, J. Mishra, S.K. Das, S. Pandey, D.S. Rao, A. Chakraborty, M. Sudarshan & H. N. Thatoi (2014) Investigation on mechanism of Cr(VI) reduction and removal by Bacillus amyloliquifaciens, a novel chromate tolerant bacterium isolated from chromite mine soil. CHEMOSPHERE, V.96; pp.112-121 (IF 4.208).

20) S. Das, S.S. Ram, H.K. Sahu, D.S. Rao, A. Chakrabarty, M. Sudarsan & H.N. Thatoi (2013) A study on soil physico-chemical, microbial and metal content in Sukinda chromite mine, Odisha, India. ENVIROMENTAL EARTH SCIENCE, V.69, No.8, pp.2487-2497 (IF 1.765).

Environmental Applications

21) L. Panda, S.S. Rath, D.S. Rao, B.B. Nayak, B. Das & P. Mishra (2018) Exploration of the kinetics and mechanism of heavy metal removal by a geopolymer derived from pyrophyllite mine waste. JOURNAL OF MOLECULAR LIQUIDS, V.263, pp.428-441 (IF 3.648).

22) S. S. Rath, S, Singh, D.S. Rao, B. B. Nayak, B.K. Mishra (2017) Adsorption of heavy metals on a complex Al-Si-O bearing mineral system: Insights from theory and experiments. SEPARATION AND PURIFICATION TECHNOLOGY, V.186, pp.2838 (IF 3.359).

23) L. Panda, B. Das & D.S. Rao (2011) Studies on removal of lead ions from aqueous solutions using iron ore slimes as adsorbent. KOREAN JOURNAL OF CHEMICAL ENGINEERING, V.28, No.10, pp.2024-2032 (IF 2.007).

24) L. Panda, B. Das, D.S. Rao & B.K. Mishra (2011) Application of Dolochar in the removal of Cadmium and Hexavalent Chromium ions from aqueous solutions. JOURNAL OF HAZARDOUS MATERIALS, V.192, No.2, pp.822-831 (IF 6.065).

D. MINING INDUSTRY WASTES

25) A. Tripathy, S. Bagchi, D.S. Rao, B.K. Nayak, P.K. Rout & S.K Biswal (2018) Recovery of magnetite from low grade banded magnetite quartzite (BMQ) ore. METALLURGICAL RESEARCH AND TECHNOLOGY, V.115, No.302, pp.1-6 (IF 0.416).

26) S.K. Jena, N. Dhawan, D.S. Rao, P.K. Misra & B. Das (2015) Extraction of Potash values from Pyrophyllite mine waste. SEPARATION SCIENCE AND TECHNOLOGY, V.51, No.2, pp.269–277 (IF 1.106).

27) H. Sahoo, B. Kar, S.S. Rath, D.S. Rao & B. Das (2014) Processing of Banded Magnetite Quartzite (BMQ) ore using Flotation Techniques. POWDER TECHNOLOGY, V.256, pp.285-292 (IF 2.942).

28) D.S. Rao, T.V.V. Kumar, S.S. Rao, S. Prabhakar & G.B. Raju (2014) Cell and column flotation studies of a low grade siliceous mine waste limestone sample for cement making. THE JOURNAL OF SOLID WASTE TECHNOLOGY & MANAGEMENT, V.40, No.3, pp.232-242 (IF 0.26).

29) L. Panda, B. Das, D.S. Rao & B.K. Mishra (2011) Selective flocculation behaviour of Banded Hematite Quartzite (BHQ) ores. THE OPEN JOURNAL OF MINERAL PROCESSING, V.4, pp.45-51.

30) J.K. Mohanty, D.S. Rao, A.K. Paul & S. Khaoash (2009) Characterization of high magnesian rocks for suitability as flux in iron and steel industry. JOURNAL OF GEOLOGY AND MINING RESEARCH, V.1, No.7, pp.149-155.

31) D.S. Rao, R. Nagendra, E.R. Mohideen & B.R. Nayak (2009) Characterization of Sulphides Patches from the Neyveli Lignite Deposit. JOURNAL OF MINERALS & MATERIALS CHARACTERIZATION & ENGINEERING, V.8, No.3, pp.223-228 (IF 1.29).

32) R. Swain, D.S. Rao, N. Vasumati, R. Mohapatra & R.B. Rao (2009) Characterization of partially laterised khondalite rock for value added materials. INTERNATIONAL JOURNAL OF MINING & MINERALS ENGINEERING, V.1, No.4, pp.383-396 (IF 0.42).

33) J.K. Mohanty, D.S. Rao, B. Das & R.B. Rao (2000) Mineralogy and preconcentration of the chromite overburden of the Sukinda Ultramafic Belt, Orissa, India. CANADIAN INSTITUTE MINING & METALLURGICAL BULLETIN, V.93, No.1038, pp.37-43.

E. CHARACTERIZATION & BENEFICIATION FOR CONSERVATION OF

LOW GRADE ORES OF WIDE DIFFERENT TYPES

Manganese Ores

34) B.C. Acharya, D.S. Rao & R.K. Sahoo (1990) Nishikhal manganese deposit, Koraput district, Orissa. JOURNAL OF GEOLOGICAL SOCIETY OF INDIA, V.36, No.6, pp.644-653 (IF 0.479).

35) B.C. Acharya, D.S. Rao, R.K. Sahoo & B. Dash (1994) Phosphorus in the siliceous manganese ores of Nishikhal, Orissa. INDIAN JOURNAL OF GEOLOGY, V.66, No.1, pp.15-23.

36) D.S. Rao, B.C. Acharya & R. K. Sahoo (1994) Pyrophanite from Nishikhal manganese deposit, Orissa. JOURNAL OF GEOLOGICAL SOCIETY OF INDIA, V.44, No.1, pp.91-93 (IF 0.479).

37) B.C. Acharya, D.S. Rao & R.K. Sahoo (1994) Mineralogy and genesis of Kutinga manganese deposit, south Orissa, India. JOURNAL OF MINERALOGY PETROLOGY AND ECONOMIC GEOLOGY, V.89, No.8, pp.317-328 (IF 0.847).

38) D.S. Rao, B.C. Acharya & R.K. Sahoo (1995) Lithium from manganese ores of south Orissa. INDIAN MINING & ENGINEERING JOURNAL, V.34, No.5, pp.53-55.

39) B.K. Mohapatra, D.S. Rao & R.K. Sahoo. (1995) Characterisation and magnetic separation studies of Chikla manganese ores, Maharastra. INDIAN MINING & ENGINEERING JOURNAL, V.34, No.7, pp.37-42.

40) B.K. Mohapatra, D.S. Rao, B.D. Nayak & R.K. Sahoo (1996) Mineralogical and chemical characteristics of ferromanganese ores from Sandur, Karnataka, India. JOURNAL OF MINERALOGY PETROLOGY AND ECONOMIC GEOLOGY, v.91, No.2, pp.48-61 (IF 0.847).

41) B.C. Acharya, D.S. Rao & R.K. Sahoo (1997) Mineralogy, chemistry and genesis of Nishikhal manganese ores of south Orissa, India. MINERALIUM DEPOSITA, V.32, No.1, pp. 79-93 (IF 3.396).

42) D.S. Rao & B.K. Mohapatra (2004) Chemical characteristics of Chikla manganese ores, Maharastra. JOURNAL OF APPLIED GEOCHEMISTRY, V.6, No.1, pp.103-112.

43) D.S. Rao, B.C. Acharya & B.K. Nayak (2008) Hyalophane from Nishikhal manganese deposit, Orissa. VISTAS IN GEOLOGICAL RESEARCH, No.7, pp.63-65.

44) D.S. Rao, B.K.Nayak & B.C.Acharya (2010) Cobalt-rich lithiophorite from the Precambrian Eastern Ghats manganese ore deposit of Nishikhal, south Orissa, India. MINERALOGIA, V.41, No.1-2, pp.11-21 (IF 0.883).

45) N. Dash, B.K. Mohapatra & D.S. Rao (2010) Petro-mineragraphic studies of low grade manganese ores from two contrasting occurrences in Gangpur group of rocks, India and their influence on beneficiation. WORLD OF METALLURGY- ERZMETALL, V.63, No.2, pp.85-90.

46) S. Mishra, B.K. Mohapatra, N. Dash & D.S. Rao (2011) Ore petrography of low-grade siliceous manganese ores from Bonai-Keonjhar belt, Orissa, India: The influence of mineral-fabric in on their beneficiation. MINING SCIENCE AND TECHNOLOGY, V.21, No.6, pp. 803-808 (IF 1.045).

47) S.S. Rath, S.K. Tripathy, D.S. Rao & S.K. Biswal (2018) Characterization and Reduction Roasting Studies of an Iron Rich Manganese Ore. TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS, V.71, No.4, pp.861-872 (IF 0.533).

Beach Placers

48) D.S. Rao, B. Banerjee & S.C. Maulik (1998) Chemistry of beach placer heavy minerals of Chatrapur, Orissa RESEARCH JOURNAL CHEMISTRY & ENVIRONMENT, V.2, No.4, pp.11-15 (IF 0.38).

49) D.S. Rao, G. V. S. Murthy, K. V. Rao, D. Das & S. N. Chintalapudi (2002) Alteration characteristics of beach placer ilmenite from the Chatrapur coast, Orissa, India. JOURNAL OF APPLIED GEOCHEMISTRY, V.4, No.1, pp.47-59.

50) D.S. Rao, T.V.V. Kumar, S.S. Rao, G.B. Raju & S. Prabhakar (2004) Heavy mineral distribution in the beach sands of north coastal Andhra Pradesh and south coastal Tamilnadu. SGAT BULLETIN, V.5, No.2, pp.1-9.

51) C. Sasikumar, D. S. Rao, S. Srikanth, B. Ravi Kumar, N. K.Mukhopadhyaya & S.P. Mehrotra (2004) Effect of mechanical activation on the kinetics of sulphuric acid leaching of beach placer sand ilmenite from Orissa, India. HYDROMETALLURGY, V.75, Nos.1-4, pp.189-204 (IF 2.85).

52) D.S. Rao, T.V.V. Kumar, S.S. Rao, S. Prabhakar & G.B. Raju. (2005) Alteration characteristics of the Manavalkurichi beach placer ilmenite, Tamilnadu. JOURNAL OF APPLIED GEOCHEMISTRY, V.7, No. 2, pp.195-200.

53) D.S. Rao, T.V.V. Kumar, S. Prabhakar, G.B. Raju & T.K. Ghosh. (2005) Alteration characteristics of ilmenites from south India. JOURNAL OF MINERALS & MATERIALS CHARACTERIZATION & ENGINEERING, v.4,No.1,pp.47-59 (IF 1.29)

54) C.Sasikumar, D.S. Rao, S.Srikanth, B.R.V.Narashimhan, B.Ravikumar & N.K. Mukhopadhyay. (2006) Effect of natural weathering and mechanical activation on the physico-chemical properties and acid dissolution kinetics of beach sand ilmenites from the Indian coasts. METALS MATERIALS & PROCESSESS,V.18,No.3,pp.211-224.

55) C. Sasikumar, D.S. Rao, S. Srikanth, N.K. Mukhopadhyay & S.P. Mehrotra (2007) Comparative study on dissolution kinetics of mechanically activated ilmenite with HCL and H2SO4. HYDROMETALLURGY, V.88, Nos.1-4, pp.154-169 (IF 2.85).

56) Preliminary investigation on recovery of zircon from alluvial pebbles. R.B. Rao, D.S. Rao, N. Vasumathi, R. Mohapatra, P.S.R. Reddy & B.K. Mishra. INTERNATIONAL JOURNAL OF MINING & MINERAL ENGINEERING. 2009, V.1, No.2, pp.204-218.

57) S. Routray, D.S. Rao & R.B. Rao (2009) Preliminary studies on recovery of total heavy minerals from Konark-Ramachandi Beach. INTERNATIONAL JOURNAL OF APPLIED ENGINEERING RESEARCH, V.4, No. 9, pp.1715-1721.

58) C. Satapathy, S. Routary & D.S. Rao (2010) Heavy minerals recovery from beach and dune sand deposits of Ganjam coast. WORLD OF METALLURGY- ERZMETALL, V.63, No.1, pp.25-33.

59) T.V.V. Kumar, D.S. Rao, S.S. Rao, S. Prabhakar & G.B. Raju (2010) Cleaner production of garnet sand for environmental abatement. PACIFIC JOURNAL OF SCIENCE & TECHNOLOGY, V.11, No.2, pp. 585-591.

60) D.S. Rao, R. Mohapatra, N. Vasumathi & R.B. Rao (2010) Beneficiation studies on beach placer sample for steel making industries. JOURNAL OF MINING & METALLURGY, Section A, V.46 A (1), pp.11-21.

61) T. Laxmi, S. Srikanth, D.S. Rao & R.B. Rao (2013) Beneficiation studies on recovery and in depth characterisation of ilmenite from red sediments of bad land topography of Ganjam district Orissa, India. INTERNATIONAL JOURNAL OF MINING SCIENCE & TECHNOLOGY. V. 23(5), pp.725–731 (IF 1.045).

62) D.S. Rao & D. Sengupta (2014) Electron microscopic studies of Ilmenite from the Chhatrapur coast, Odisha, India and their implications in processing. JOURNAL OF GEOCHEMISTRY Article ID 192639, Vol. 2014, 8 pages.

63) D.S. Rao & B.C. Acharya. (2015) Electron Microscopic Studies of Monazite from Chhatrapur Coast, Odisha, India. WORLD OF METALLURGY – ERZMETALL, V.68, No.2, pp.102-106.

64) D.S. Rao, S. Pani, N. Dash & S. Mohanty (2016) Electron Microscopic Studies for the Nature of Mineral Inclusions in the Beach Placer Ilmenite Sample. JOURNAL OF ADVANCED MICROSCOPY RESEARCH, V.11, pp.1–4 (IF 0.36).

65) D.S. Rao, N. Dash & S. Mohanty (2016) Varieties and nature of zirconium bearing minerals from the Chhatrapur beach placer deposit, Odisha, India. WORLD OF MINING – SURFACE & UNDERGROUND, V.68, No. 5, pp.390-393.

Graphite Ores

66) B.C. Acharya, D.S. Rao & R.K. Sahoo (1995) Graphite mineralisation in the Eastern Ghat migmatites around Nishikhal, south Orissa. INDIAN JOURNAL OF EARTH SCIENCE, V.22, No.1-2, pp.35-42.

67) B.C. Acharya, D.S. Rao & P.S.R. Reddy (1995) Mineralogical and beneficiation characteristics of low grade graphite ores. POWDER HANDLING & PROCESSING, V.7, No.3, pp.233-237.

68) B.C. Acharya, D.S. Rao, S. Prakash, P.S.R. Reddy & B.K. Nayak (1995), Characterisation and beneficiation of graphite samples from Ganjaudar, Orissa. VISTAS IN GEOLOGICAL RESEARCH, No.1, pp.42-49.

69) B.C. Acharya, D.S. Rao, S. Prakash, P.S.R. Reddy & S.K. Biswal (1996) Processing of low grade graphite ores of Orissa, India. MINERALS ENGINEERING, V.9, No.11, pp.1165-1169 (IF 2.286).

70) B.C. Acharya & D.S. Rao (1998) Graphite in Eastern Ghat complex of Orissa. GEOLOGICAL SURVEY OF INDIA, SPECIAL PUBLICATION, No.44, pp.190-200.

71) B.C. Acharya, D.S. Rao, S. Prakash, P.S.R. Reddy, S.K. Biswal, B.K. Nayak, C. R. Panda & A.K. Rout (1998) Utilisation of low grade graphite ores occurring in the Precambrian Eastern Ghats complex of Orissa. TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS, V.51, Nos.2-3, pp.121-128 (IF 0.533).

Limestone and Dolomite

72) D.S. Rao, T.V.V. Kumar, S. Prabhakar & G.B. Raju (2009) Beneficiation of a siliceous limestone sample. AT MINERAL PROCESSING, V.50, No.6, pp.36-47.

73) D. S. Rao, T.V.V. Kumar, S. Angadi, S. Prabhakar & G.B. Raju (2010) Effects of modulus and dosage of sodium silicate on limestone flotation. MAEJO INTERNATIONAL JOURNAL OF SCIENCE AND TECHNOLOGY., V.4(03), pp.397-404 (IF 0.36).

74) D.S. Rao, T.V. Vijayakumar, S. Prabhakar & G.B. Raju (2011) Geochemical assessment of a siliceous limestone sample for cement making. CHINESE JOURNAL OF GEOCHEMISTRY, V.30, No.1, pp.30-39 (IF 0.298).

75) D.S. Rao, T.V.V. Kumar, G.B. Raju & S. Prabhakar (2011) Effect of the particle size on flotation performance of a siliceous limestone sample. JOURNAL OF MINING & METALLURGY, V.47 A (1), pp.37-49.

76) D.S. Rao, T.V.V. Kumar, S.S. Rao, S. Prabhakar & G.B. Raju (2011) Beneficiation of a low grade limestone sample. MINING SCIENCE AND TECHNOLOGY, V.21, No.5, pp.631-636 (IF 1.045).

77) D.S. Rao, S.K. Tripathy & S. Angadi (2013) Characterisation of dolomite fines and their implications in beneficiation. WORLD OF METALLURGY - ERZMETAL, V.65, No.5, pp.318-322.

78) S.K. Tripathy, S. Angadi, N.K. Patra, D.S. Rao (2018) Comparative separation analysis of direct and reverse flotation of dolomite fines. MINERAL PROCESSING AND EXTRACTIVE METALLURGY REVIEW, V.39, No.5, pp.339-350.

Bauxite & Diaspore

79) S. Dey, R.P. Bhagat, R.K. Kunwar, D.S. Rao, B. Banerjee & S.C. Maulik. (2001) Comparative studies on beneficiation of bauxite samples for application in refractory industry. METALS MATERIALS & PROCESSES, V.13, No.1, pp.1-8.

80) R. Swain, D.S. Rao, N. Vasumati, R. Mohapatra & R.B. Rao (2009) Characterization of partially laterised khondalite rock for value added materials. INTERNATIONAL JOURNAL OF MINING & MINERALS ENGINEERING, V.1, No.4, pp.383-396.

81) D.S. Rao & B. Das. (2014) Characterization and beneficiation studies of low grade bauxite of India. JOURNAL OF THE INSTITUTION OF ENGINEERS (INDIA): SERIES D, V.95, Issue 2, pp 81-93.

82) D.S. Rao & B. Das. (2015) Gallium resources in different minerals of bauxite and their implications. AT MINERAL PROCESSING, V.56, No.9, pp.70-80.

83) D.S. Rao, S.S. Rath, N. Dash, S. Mohanty & S.K. Biswal (2018) Mineralogy, Liberation and Leaching Characteristics of Iron Oxide Phases in an Indian Diaspore Sample. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA, V.28, No.8, 1640-1651. (IF 1.523).

Carbon, Coal and Combustion

84) S. Srikanth, D.S. Rao, S.K. Das, B. Ravikumar, K. Nandakumar, R. Dhanuskodi & P. Vijayan. (2003) Combustion and deposition formation behaviour on the fireside surfaces of a pulverized fuel boiler fired with a blend of coal and petrokeum coke. COMBUSTION SCIENCE AND TECHNOLOGY. V.175, No.9, pp.1625-1647 (IF 1.241).

85) D.S. Rao & S. Srikanth. (2004) Failure of an idle air control valve in gasoline fuelled automobile. ENGINEERING FAILURE ANALYSIS, V.11, No.3, pp. 313-322 (IF 1.676).

86) S. Srikanth, S.K.Das, B.Ravikumar, D.S.Rao, K.Nandakumr & P.Vijayan. (2004) Nature of fireside deposits in a bagasse and groundnut shell fired 20 mw thermal boiler. BIOMASS & BIOENERGY, V.27, Issue 4, pp.375-384 (IF 3.219).

Chromite & Nickel Laterite

87) J.K. Mohanty, D.S. Rao, B. Das & R.B. Rao. (2000) Mineralogy and preconcentration of the chromite overburden of the Sukinda Ultramafic Belt, Orissa, India. CANADIAN INSTITUTE MINING & METALLURGICAL BULLETIN, V.93, No.1038, pp.37-43.

88) L. Panda, D.S. Rao, B.K. Mishra & B. Das. (2014) Characterization and dissolution study of low-grade ferruginous nickel lateritic ore by sulphuric acid. MINERALS AND METALLURGICAL PROCESSING. V.31, No.1, pp.57-65.

Sulphide Minerals

89) B. C. Acharya, B. Dash, D.S. Rao & R.K. Sahoo. (1995) Sulphide mineralisation in parts of Eastern Ghats complex, Orissa. VISTAS IN GEOLOGICAL RESEARCH, No.1, pp.22-26.

90) D.S. Rao, B. Banerjee & S.C. Maulik. (2000) Gold content in pyrite and chalcopyrite of Ukampahar area, Singbhum district, Bihar. RESEARCH JOURNAL CHEMISTRY & ENVIRONMENT, V.4, No.1, pp.23-26 (IF 0.38).

91) D.S. Rao. (2005) Ore mineralogy of Ganesh-Himal region lead-zinc deposit, Nepal. JOURNAL OF APPLIED GEOCHEMISTRY, V.7, No.1, pp.43-47.

92) R. Singh, D.S. Rao, N. Sinha, B. Banerjee & K.K. Bhattacharyya. (2009) Mineralogical and flotation characteristics of lead–zinc ore with a particular reference to effects of oxidation. JOURNAL OF METALLURGY & MATERIALS SCIENCE, V.51(3), pp.205 -213.

93) A. Baba, M.K. Ghosh, S. Pradhan, D.S. Rao, A. Baral & F. Adekola. (2014) Ammonia Leaching of a Complex Copper Ore: Characterization and Kinetic Study. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA, V.24, pp.1587–1595 (IF 1.342).

Pyrophyllite & Clay Minerals

94) B. Kar, H. Sahoo, S.S. Rath, D.S. Rao & B. Das. (2013) Characterization and beneficiation studies for the removal of iron from a china clay from India. CLAY MINERALS, V.48, pp.759–769 (IF 0.874).

95) S.K. Jena, S. Singh, D.S.Rao, N.Dhawan, P.K.Misra, B.Das. (2015) Characterization and removal of iron from pyrophyllite ore for industrial applications. MINERALS & METALLURGICAL PROCESSING, V. 32 No. 2, pp.102-110 (IF 0.692).

Fertiliser Minerals

96) S.K. Jena, N. Dhawan, D.S. Rao, P.K.Misra, B.K. Mishra & B. Das (2014) Studies on Extraction of Potassium Values from Nepheline Syenite. INTERNATIONAL JOURNAL OF MINERAL PROCESSING, V.133, pp.13–22 (IF 1.561).

97) S.K. Jena, N. Dhawan, S.S. Rath, D.S. Rao, B. Das. (2016) Investigation of microwave roasting for potash extraction from nepheline syenite. SEPARATION AND PURIFICATION TECHNOLOGY, V.161, pp.104–111 (IF 3.359).

Iron Ores

98) T.V.V. Kumar, D.S. Rao, S.S. Rao, P. More, Y.S. Raddy, S. Prabhakar, G.B. Raju. (2005) Beneficiation of iron ore fines by conventional flotation, flotation column and dual extraction column-a pilot scale study. POWDER HANDLING & PROCESSING, V.17, No.2, pp.88-93.

99) T.V.V. Kumar, D.S. Rao, S.S. Rao, S. Prabhakar, G.B. Raju, & P. More. (2005) Semi-commercial scale studies using flotation column and dual extraction column on iron ores of Goa, India. JOURNAL OF MINERALS AND MATERIALS CHARACTERIZATION & ENGINEERING, V.4, No.2, pp. 113-124 (IF 1.29).

100) T.V.V. Kumar, D.S. Rao, S.S. Rao, S. Prabhakar & G.B. Raju. (2006) Processing of iron ore fines by column flotation. Part– I. MINERALS & METALS REVIEW, V.32, No.5, pp.70-74.

101) T.V.V. Kumar, D.S. Rao, S.S. Rao, S. Prabhakar & G.B. Raju. (2006) Processing of iron ore fines by column flotation. Part–II. MINERALS & METALS REVIEW, V.32, No.6, pp.48-51.

102) D.S. Rao, T.V.V. Kumar, S.S. Rao, S. Prabhakar & G.B. Raju. (2009) Mineralogy and geochemistry of a low grade iron ore sample from Bellary-Hospet sector, India and their implications on beneficiation. JOURNAL OF MINERALS AND MATERIALS CHARACTERIZATION & ENGINEERING, V.8, No.2, pp.115-132 (IF 1.29).

103) T.V.V. Kumar, D.S. Rao & S.J. Gopalakrishan. (2011) Mineralogical and separation characteristics of iron ore fines from Bellary-Hospet, India with special emphasis on beneficiation by flotation. JOURNAL OF MINING & METALLURGY, Sec.A, V.47A(1), pp.27-35.

104) R.K. Dwari, D.S. Rao & P.S.R. Reddy. (2013) Magnetic separation studies for a low grade siliceous iron ore sample. INTERNATIONAL JOURNAL OF MINING SCIENCE AND TECHNOLOGY, V.23, pp.1-5 (IF 1.045).

105) S.S. Rath, H. Sahoo, N. Dhawan, D.S. Rao, B. Das & B.K. Mishra (2014) Optimal recovery of iron values from a low grade iron ore using reduction roasting and magnetic separation. SEPARATION SCIENCE AND TECHNOLOGY. V.49, pp.1927–1936 (IF 1.24).

106) H. Sahoo, S. S. Rath, D.S. Rao, B.K. Mishra & B. Das. (2016) Role of silica and alumina content in the flotation of iron ores. INTERNATIONAL JOURNAL OF MINERAL PROCESSING, V.148, pp.83–91 (IF 1.561).

107) D.S. Rao & S.K. Das. (2016) Mineralogical Studies on Sulphide Bearing Iron Ore Samples of Rajasthan, India. WORLD OF METALLURGY – ERZMETALL, V.69, No.2, pp.119-123.

108) S.S. Rath, N. Dhawan, D.S. Rao, B. Das & B.K. Mishra. (2016) Beneficiation studies of a difficult to treat iron ore using conventional and microwave roasting. POWDER TECHNOLOGY, v.30, 1016-1024 (IF 2.942).

Other Industrial Minerals

109) B.C. Acharya & D.S. Rao. (1997) Stilbite in pegmatite associated with Eastern Ghats granulites at Ganjaudar, Bolangir district, Orissa. INDIAN JOURNAL OF EARTH SCIENCE, V.24, Nos.1-2, pp.21-27.

110) D.S. Rao, R. Singh, B. Banerjee, K. K. Bhattacharya & S.C. Maulik. (1997) Characterisation and beneficiation studies on a low grade fluorspar sample. VISTAS IN GEOLOGICAL RESEARCH, No.2, pp.199-204.

111) A.K. Vaish, P. K. Biswas, M.M. Humane, D.S. Rao & N.G. Goswami (2001) Tribal system of iron making in India - R & D for optimum operation. JOURNAL OF METALLURGY & MATERIAL SCIENCE, V.43, No.3, pp. 213-220.

112) D.S. Rao. (2007) Chemico-mineralogical characteristics of dunite from Salem, Tamilnadu. SGAT BULLETIN, V.8, No.1, pp.13-17.

113) J.K. Mohanty, D.S. Rao, A.K. Paul & S. Khaoash (2009) Characterization of high magnesian rocks for suitability as flux in iron and steel industry. JOURNAL OF GEOLOGY AND MINING RESEARCH, V.1, No.7, pp.149-155 (IF 0.21).

Review Articles

114) D.S. Rao & B.K. Mohapatra. (2000), Microscopy in mineral processing- A review. JOURNAL OF METALLURGY & MATERIALS SCIENCE, V.42, No.1, pp.31-42.

115) D.S. Rao & B.K. Mohapatra (2002), The mineral sprectrum of Orissa and its future prospectives. JPC IRON AND STEEL BULLETIN. V.II, Issue- 7, pp.18-30.

116) D.S. Rao. (2009), Gems and gemstone resources. GEO-SPECTRUM INTERFACE, V.4, No.1, pp.69-73.

Edited Volumes

117) G.B.Raju, S. Prabhakar, S.S.Rao, D.S.Rao & T.V.V.Kumar(2006) Proc. of the 6th “International Seminar on Mineral Processing Technology, & Indo-Korean Workshop on Resource Recycling”, (Volume – 1 & 2); organized at Chennai during March 8th-10th, published by Allied Publishers Pvt. Ltd.. (ISBN 81-8424-011-2 and ISBN 81-8424-012-0).

SEMINAR PROCEEDINGS EDITED VOLUMES

I. Earth science education and employment potential in India – facts and problems. D. S. Rao, K.V. Rao & B. Banerjee. "PROC. OF NAT. SEM. ON STATUS OF EDUCATION, TRAINING, R & D IN GEOSCIENCES AND ALLIED DISCIPLINES” held on 18th September, 1998 at Bhubaneswar, organised by SGAT, pp.30-36.

II. Mineralogical aspects of lead sintering. J.P.Srivastava, R.Kumar, R.P.Goel, D.S.Rao, S.K.Sil, U.S.Chattoraj & S.C.Maulik. "PROCESSING OF FINES", (Eds: P. Bhattacharya, R. Singh & N.G. Goswami), 2000, No.2, pp.269-281

III. NML’s Expertise in design and development of indigenous flotation column- A journey from Laboratory to large scale column. S.Prabhakar, G.B.Raju, S.S.Rao, D.S.Rao, & T.V.V.Kumar. MPT 2007, (Eds. N.K.Khosla & G.N.Jadav), 2007, pp.141-146.

IV. Effects of oxidation of minerals on physico-chemical properties pertaining to gravity separation. D.S.Rao, T.V.V.Kumar, S.S.Rao, S.Prabhakar & G.B.Raju. APPLIED GRAVITY SEPARATION, (Eds. R.Singh, A.Das & N.G.Goswami), 2007, pp.1-9.

V. Chemico-mineralogical and flotation characteristics of beach placer garnet. D.S.Rao, T.V.V.Kumar, S.S.Rao, S.Prabhakar & G.B.Raju. PLACER 2007, (Eds. V.J.Loveson, P.K.Sen & A.Sinha), pp.224-230.

VI. Development of a flotation process for enrichment of Ganesh-Himal Pb-Zn deposit from Nepal. R.Singh, D.S.Rao, B.Banerjee & K.K.Bhattacharyya. PROC. OF XXIV INTERNATIONAL MINERAL PROCESSING CONGRESS, Beijing, China (Eds. D.Wang, S.C.Yao, W.F. Liang, Z.L. Cheng, H.Long), 2008, pp.4199-4208.

VII. Immobilization of Cr (VI) in ferrochrome flue dust. S. D. Muduli, B. D. Nayak, D. S. Rao and B. K. Mishra. PROC. OF XI INTERNATIONAL SEMINAR ON MINERAL PROCESSING TECHNOLOGY (Eds. R. Singh, A. Das, P. K. Banerjee, K. K. Bhattacharyya and N. G. Goswami), 2010, pp. 1202-1208.

VIII. Characterisation of bog manganese ore associated with BIF in iron ore group, north Orissa for its optimum utilization. B.K.Mohapatra, S.K.Singh, D.S.Rao, R.K.Martha and S.Mishra. PROC. OF XI INTERNATIONAL SEMINAR ON MINERAL PROCESSING TECHNOLOGY 2010 (Eds.R.Singh, A.Das, P.K.Banerjee, K.K. Bhattacharyya and N. G. Goswami), pp. 31-38.

IX. Ti-geochemistry in bauxite-laterite association and its importance for by-product value. M. K. Mohanta, N. N. Das, D.S.Rao, B. Ravi Kumar, B. Mahato, R. K. Rath. ICSOBA- 2008 (Bauxite, Alumina & Aluminum Industry of Australia - Asia & New Technological Advances), held at Bhubaneswar during 28-30th Nov. 2008, pp.57-61.

X. Liberation characteristics of minerals from their ores. PROC. OF MINEXPRO-2016, D.S.Rao & S.K.Biswal, Organized by SGAT, at Bhubaneswar, during Dec. 3-4, 2016, pp.26-39.

XI. Effect of iron ore slimes addition on high grade iron ore fines pelletization process. P. Prusti, D. K. Sahu, D.S. Rao and S. K. Biswal. ASIA STEEL INTERNATIONAL CONFERENCE 2018, February 6-9, 2018, Bhubaneswar, Odisha, India.

XII. Use of Biomass as a Reductant in the Roast-Reduction of Iron Ore Slimes. S.S. Rath, D.S. Rao, S.K. Biswal. ASIA STEEL INTERNATIONAL CONFERENCE 2018, February 6-9, 2018, Bhubaneswar, Odisha, India.

12. Technology commercialized DEVELOPMENT AND COMMERCIALIZATION OF COLUMN FLOTATION TECHNOLOGY: After successful demonstration of pilot scale (0.5 meters dia.) By the experience of the pilot scale column flotation studies, Design & development of indigenous equipment of the commercial scale flotation column was carried out and established of two commercial column flotation plants.

I. Design and commissioning of commercial size flotation column for sillimanite beneficiation. Sponsored by Indian Rare Earths Limited (IREL) Chhatrapur. 2005-2006.

II. Design and commissioning of commercial flotation column for limestone beneficiation. Sponsored by Calpro Mineral Technologies India Private Limited. 2006-2007

13. Google Scholar citations

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