speech by dr. jayaraman on water related technologies in technology vision 2035 event on 22 may
TRANSCRIPT
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Water, water everywhereNot a drop to drink
A.P.Jayaraman, Ph.D, PGDMMEx BARC -Desalination
Former Professor Water and Wastewater Technology, Griffith University, Singapore campus
Life Member-Indian Desalination Society
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Worked in Desalination Division, BARCOperated RO plants for Water Technology Mission Taught Water and Wastewater Technology for Griffith University , Singapore campusLife member of Indian Desalination AssnAttended World Water Congress at SingaporeHave professional friends in Desalination industryStudied TV2035 document .Rajadhyax called me----So I am Here
Why am I Here?
Water, water everywhereNor any drop to drink- Samuel Taylor
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Assured and Fit for Purpose water supply by 2035
VISION
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Ensuring quantity and quality of water in all
rivers andaquatic bodies
Grand challenge 2/10
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Augmenting water availabilityWater quality challengesMore crop per drop agricultureWastewater managementDesalinationUncertainties and Calamities Management Water quality monitoring and surveillance
BROAD COVERAGE
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Farming 80% freshwater resourceIndustry 15%; Our share 5%Demand 650 10 to 1100 BCM 50
Annual storage capacity Loss 1.3 BCM Home Sewage Arising 400 G m3F-19, NO3, Cl- 8, As-7,
WATERY FACTS
Water, water, everywhereNor any drop to drink- Taylor
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Smart Leak DetectionBetter Cooling Towers and BoilersTreatment Ts-Biomimetic and Novel materials-CNT, graphene, FOZero Discharge- R&R TsHarnessing Atmospheric moistureSeismic tomography for rock rigidity
11 FUTURE Ts
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Superstrong one atom thick graphene membrane is porous and needs less pressure to push water through it
GRAPHENE MEMBRANES
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CNT immobilization in hydrophobic membrane pores favorably alters water−membrane interactions
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Inspired by the mangrove plant and human kidney, biomimetic membrane is mechanically stronger and allows only water molecules to pass through
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FORWARD OSMOSIS
FO PLANT, OMAN
Hydration Bag
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Geo-synthetic textilesTrenchless TsClimate-resilient CropsImmersion vibratory roller compactor concreteRadar to detect groundwater and contamination
FUTURE Ts
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Non contact level sensors for riversWater meter without plumbingSeawater agriculture-seaweedsMicrobial fuel cell in wastewaterNet water positive materialsNextgen RO membranesHydrofacturing during floods
FUTURE RESEARCH
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Ground water – social property and not individual assetPriority drinking, cooking and domestic – min 50 lpd per capita, desirable 100 lpd – max 150 lpdLeast amount of transportation – local sources and local distribution networkingFiltering and solar purificationRecycling. Grey water purified and used for toiletsBlack water for fertigationWater harvesting and ground water rechargeAfforestation of all sloppy areas
WATER PSM
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TV 2035 P 51
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Minjur, TN 100,000 m3 /day