molecular sieves – new opportunities and services offered ... · molecular sieves – new...
TRANSCRIPT
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Molecular sieves – new opportunities and services offered by BRENNTAG and CECA
Laurentiu GHITA, Oil&Gas BDM BRENNTAG
SILIPORITE
ROMANIA 2015 - DOWNSTREAM CONFERENCE, 16 September 2015, Bucharest
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Agenda
Part I : BRENNTAG and CECA in brief …
Part II : Molecular sieves basics - General and Technical aspects ● What are they like? ● How do they work? ● How to produce Molecular Sieves? Part III : Products for Refining Industry ● Range of products ● Typical application Part IV : CECA solutions for Petrochemical inducstry
Part V CECA solutions for your molecular sieve units
Part VI: CECA references
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Part I – BRENNTAG in brief …
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Specialty Chemicals app. 30%
Group sales 2012 over € 9 billion
Specialty Chemicals app. 30%
Industrial Chemicals app. 70%
Over 170,000 customers
Brenntag is the leading global distributor of specialties and industrial chemicals...
Europe 49%
North America
33%
Latin America
8%
Asia Pacific 7%
RoW 3%
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Figures excluding RoW
North America Warehouse Sites: 138 Employees: ~3,480 Customers: ~35,000
Asia Pacific Warehouse Sites: 41 Employees: ~1,020 Customers: ~9,800
Europe Warehouse Sites: 204 Employees: ~6,118 Customers: ~115,000
Latin America Warehouse Sites: 54 Employees: ~1,234 Customers: ~18,000
…and operates a broad global network of office and warehouse locations
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Part I – CECA in brief …
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CECA in a snapshot
CECA is a Specialty Chemicals company, 100% Subsidiary of ARKEMA Group (France)
7 businesses with market leader positions
Sales of € 600 M
1000 employees
20 industrial plants
3 research centers
2,5% of revenue allocated to Research & Development
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CECA Molecular Sieves Leading positions
N°2 Worldwide, covering all applications
Building
Automotive Petchem &
Refinery
Industrial Gases
Natural Gas
Chemicals
Food & Beverages
Pharmaceuticals
40 years experience in providing solutions…
… from design to after sales services
Our brands
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CECA Molecular Sieves A Global presence
HONFLEUR (Fr)
INOWROCLAW (Pl)
PHILADELPHIA (US)
HOUSTON (US) DUBAI (UAE)
PARIS (Fr)
PERTH (Au)
TOKYO (Jp) PAU (Fr)
SAO PAOLO (Br)
BUENOS AIRES (Ar)
SEOUL (SK)
MOSCOW (Ru)
SHANGHAI (Ch)
MARKETING & SALES OFFICES R & D PLANTS 180 employees
worldwide
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Part II – Molecular Sieve basics
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Molecular Sieves : what are they like ?
The final material
● Powder static application ● Powder + binding clay:
– Granulation Beads – Extrusion pellets
The initial crystal
● Zeolite (alumino-silicate) ● Mainly synthetized and some natural zeolithe ● Chemical formula : (M2+ or M+
2)O•Al2O3•nSiO2•pH20
Synthetized zeolite powder
● SEM photograph
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Molecular Sieves : selecting the right one ?
Ratio Si/Al = 1.25
Pore opening: 7.4 Å
13X mol sieve
Ratio Si/Al = 1
Stabilized by Na+ 4A
3A 5A
K+ exchange
Ca2+ exchange
« A » family « X » family
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Molecular sieves: how does it work?
● Aluminosilicates with crystalline structure showing channels and cavities (« pores »)
● If they are small enough to enter the pores they are « adsorbed » (captured)
● The other molecules go their way (ex: methane)
● The electronic activity of the large internal surface attracts polar molecules (Van der Wiels
interaction)
Na+
● Adsorption is exothermic: ~ 1000 kcal/kg of water
● Reversible phenomena renegerable process
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Which molecules are adsorbed ? Pore size and polarity
Polarity
H2O
Decreasing size
4Å 3Å
5Å
13X (7.4Å)
NH3 MeOH
H2S CO2
Light RSH
Heavy RSH
BTX
In any case : water first !!
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Molecular Sieves : how are they produced ? Experience makes good products
Synthesis
Extrusion / Granulation
Sodium Silicate
Caustic Soda
Sodium Aluminate
Ion Exchange
Zeolite Powder
Drying
Activation
Activated Powder
Pellets 1.6 mm 3.2 mm 6.4 mm
Beads 0.5 to 5 mm
Zeolite
● Type ● Cation ● Crystal size
+ Binder
● Clay ● Quantity
+ Process
= Molecular Sieve
● Shape & Size ● Porosity distribution ● Adsorption capacity ● Physical properties ● Chemical properties
Binding Clay
Mixing
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Part III – Products for Refining industry
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CECA Products for Refining
A full range of dedicated adsorbents… ● SILIPORITE ® Molecular Sieves ● SILIPORITE ® Activated Aluminas ● ACTICARBONE ® Activated Carbons
… for various purposes : ● Drying / Purification of gas / liquid streams ● Catalyst protection ● Protection of equipments against freezing in cryogenic processes ● Protection against corrosion ● Hydrocarbons separation
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Molecular Sieves in a Refinery : where ?
FCC
Alkylation
Reforming
Isomerisation
MTBE unit
Hydrotreating
Finishing sections
Hydrotreating
Hydrotreating
Isomerisation
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CECA Products in Refinery Units - 1
Alkylation Section
Application Purpose of the unit Main concerns CECA adsorbents
Drying of FCC C4 cut feed for HF alkylation
Protection of catalyst &
equipments Get an extra-dry
feed SILIPORITE® NK30COS
FCC Section
Application Purpose of the unit Main concerns CECA adsorbents
Drying of C3/C3= cut before
cryogenic separation Avoid freezing in Turbo-Expander
Olefin coadsorption SILIPORITE® NK30COS
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CECA Products in Refinery Units - 2
MTBE Section
Application Purpose of the unit
Main concerns CECA adsorbents
I-C4 purification (feed to reactor)
Protection of catalyst &
equipments Clean product
SILIPORITE® G5
SILIPORITE® OXY30
MTBE reactor effluent purification (drying, sulphur)
Protection of catalyst &
equipments Clean product
SILIPORITE® OPX
SILIPORITE® SCOS
Oxygenate Removal (ORU) on i-C4 after reactor
Protection of catalyst &
equipments Clean product
SILIPORITE® OXY30
SILIPORITE® G5
SILIPORITE® NK30
Chloride trap Protection of
catalyst & equipments
SILIPORITE® NK10Cl
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CECA Products in Refinery Units - 3
Reforming section
Application Purpose of the unit
Main concerns CECA adsorbents
HCl / H2O Removal from CCR Naphtha / CCR Overhead
streams Protection of equipments
Green Oil formation
SILIPORITE® NK10Cl
SILIPORITE© RA
H2O / HCl / H2S Removal from H2 recycle streams in cyclic or semi-regenerative reformers
Prevent deactivation / fast stripping of chloride off
cata.
Decrease of capacity with ageing of bed
SILIPORITE® NK10Cl
SILIPORITE® RA
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CECA Products in Refinery Units - 4
Isomerisation Sections
Application Purpose of the unit
Main concerns CECA adsorbents
Liquid C5/C6 purification – only at PENEX ® unit
Drying /Purification, sulphur and oxygenates removal of
paraffin cut /
Pt Catalyst protection
Nature & content of inlet impurities are
difficult to check
Bed coking
SILIPORITE® NK10
/ SILIPORITE® G5
C4 cut drying / purification BUTAMER
SILIPORITE® G5
H2 Make-up Drying (injected for isomerization reactions/ not in all units)
Trace contaminant
Removal
Operation of downstream
hydrosections
SILIPORITE® NK10
MOLEX®/ ELUPAR® & ISOSIV®/ TIP/ IPSORB® units
N/Iso paraffins separation in Gas or Liquid
phase
Separation efficiency
Pollution by aromatics
Lifetime of adsorbent
SILIPORITE® NPL50
SILIPORITE® NPG50
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CECA Products in Refinery Units - 5
Aromatic & Finishing Sections
Application Purpose of the unit
Main concerns
CECA adsorbents
Benzene / Toluene Drying Purity of end product
Bed coking SILIPORITE ® NK10
LPG Drying / Sweetening
Pass 1A Copper Strip /
HD-5 tests
End products without smell
Sulfur pick-up
SILIPORITE ® NK10
SILIPORITE ® NK20C
SILIPORITE® G5
SILIPORITE © SCOS Fuel Gas Drying Re-use clean
gas SILIPORITE ® NK30COS
Other Hydrocarbon Drying and Mild Purification
Pass 1A Copper Strip /
HD-5 tests
Bed coking SILIPORITE ® SCOS
SILIPORITE ® OXY30
SILIPORITE ® CO2
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CECA Products in Refinery Units - 6
Hydrotreatment Section
Application Purpose of the unit
Main concerns CECA adsorbents
PSA H2 High purity H2 for hydrogenation
sections
Units able to remove a wide
range of impurities
SILIPORITE ® PHYG1
SILIPORITE ® PHYG3
Kerosene Sweetening Purity of the end
product Fouling ACTICARBONE ® BGP
MEROX ®, MERICHEM ®, SULFREX ® units
Conversion of mercaptans
Activated Carbon = good support for
catalyst. advantages size
distribution, density, purity
ACTICARBONE ® BGP
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Hydrogen production, PSA unit
Those Molecular Sieves are perfectly suitable for PSA H2 unit :
• very high N2 and CO adsorption capacity • Strong mechanical strength
Product Name PHYG-1 PHYG-3
Avalibale Shape 1/16” Pellets (1.6 mm)
1/16” Beads (1.6 -2.5 mm)
Breakthrough capacity, mini
CO: 8.2 NL/kg MS N2: 2.1 NL/kg MS
CO: 11.0 NL/kg MS N2: 2.8 NL/kg MS
Typical applications Standard Units Debottleneckings
Compact new units
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Reforming: Chloride Traps Removal
26
Chlorinated compounds are injected in Reforming sections to control activity & Pt dispersion on the catalyst. Due to continues stripping – mainly HCl migrates to downstream process.
CECA Molecular Sieves SILIPORITE® NK 10CL in Beads is a special 4A dedicated to HCl removal in both gas and liquid streams :
• maximum chloride adsorption capacity : in gases the chloride capacity is around 17% wt on molecular sieves compared to 8% wt on activated alumina and 12% on promoted activated alumina
• longest life: for a fixed volume of adsorbent and fixed concentration of HCl in the feed gas, lifetime of molecular sieves is 1.4 times lifetime of promoted activated alumina and 2.1 times lifetime of plain activated alumina
• no green oil formation : green oil is formed by oligomerisation and cyclisation of unsaturated hydrocarbons . These reactions are catalyzed by the acidic sites of the adsorbent, especially in the macropores. Molecular sieves will minimise green oil formation because of its controlled acidity and pore size distribution.
• very slow pressure drop build-up
Bigger molecules (organic chlorides) are captured on 5A and 13X Siliporite® grades
Cl
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Part IV – Products for Petrochemical Industry
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CECA
GLOBAL
OFFER
FOR
PETRO-
CHEMICAL
INDUSTRY:
Molecular sieves
Silicagel
Activated Aluminas
Ceramic Balls
CECA – Products for Petrochemistry (1)
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Drying Purification
>> Design of mix beds for multi-component removal <<
CECA – Products for Petrochemistry (2)
Choice of material depends on the gas composition :
Cracked gas drying : 3A
Olefin cut drying : 3A
Hydrogen drying : 3A or 4A
Different types of Activated Aluminas or Molsieves depending on impurities to be removed :
Sulphur cpnds / COS removal : 5A, 13X, AA
For Oxygenates removal : promoted AA, 13X
For Chloride Traps : 4A
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CECA – Products for Petrochemistry (3)
Product Characteristics Shape
OPX K High adsorption Kinetic properties Pellets or beads
OPX R Improved Resistance to aggressive feedstocks Pellets or beads
OPX T Low pressure drop ¼” Trilob (extrudate)
OPX M Very low olefin co-adsorption Efficiency of Methanol removal Pellets
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CECA – Products for Petrochemistry (4)
Feed : Naphta
Western Europe
525 000 tpy C2=
System: 2+1
Adsorption: 48hrs
Lifetime: 5 years
OPX R for EZ
OPX K for MTZ
CB 1”
CB ½”
150 mm
75 mm
ID = 3 400 mm
1 000 mm
75 mmCB ¼ “
OPX R P3.2mm25 T
OPX K P1.6mm6 T
3 900 mm
OPX K pellets OPX R pellets
Feed : Ethane
Asia
1 100 000 tpy C2=
System: 2+1
Adsorption: 36+6hrs
Lifetime: 4 years
Regeneration with high content of C2=
OPX R for EZ & for MTZ
High resistance to aggressive feed
CB 1”
CB ½”
150 mm
75 mm
ID = 4 000 mm
2 700 mm
75 mmCB ¼ “
OPX R P3.2mm18 T
OPX R P1.6mm23 T
2 000 mm
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Part V – CECA solutions for your molecular sieve units
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CECA solutions
Optimized design ● Process and Vessels drawing review (including internals) ● Operating parameters optimization leading to cost reduction
Plant support ● Performance evaluation ● Breakthrough tests ● Molecular sieve sample analyses ● Troubleshooting
Services ● Operators seminar and training assistance ● Operation procedure review and assistance ● Loading assistance and on-site vessel / equipment inspection ● Start-up assistance
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FOR THE SAME ADSORPTION TIME AND THE SAME LIFETIME :
7 680 mm
1/8 inch d=650kg/m3
62 750 kg
1/8 inch d=700kg/m3
62 750 kg
7 130 mm 6 170 mm
1/8 & 1/16 inch
53 570 kg
1/8 & 1/16 inch
46 330 kg
5 335 mm
density split bed
regeneration optimization
- 26% mass* - 31% volume*
Conservative design
CECA optimized
design
* in this example (may vary depending on the regeneration possibilities, the feed characteristics, the pressure drop limit....)
∆P 0.19 bar ∆P 0.16 bar
CECA Optimized design Case study
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CECA solutions
Optimized design ● Process and Vessels drawing review (including internals) ● Operating parameters optimization leading to cost reduction
Plant support ● Performance evaluation ● Breakthrough tests ● Molecular sieve sample analyses ● Troubleshooting
Services ● Operators seminar and training assistance ● Operation procedure review and assistance ● Loading assistance and on-site vessel / equipment inspection ● Start-up assistance
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Technical support
Breakthrough curves
Troubleshooting
On-site analysis: water, RSH
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Troubleshooting example case 3 : Gas dryer showing fast increasing ∆P and early breakthrough
Plant support - troubleshooting Case story 3
Solution : Slower water desorption (ramp, heating step), silica-gel protection layer.
Diagnosis : The T°C inflexion reveals a change of state : desorbed vapor is condensed to liquid water when arriving on vessel colder parts. When liquid water meets the high temperature front, it boils and leads to dusting and agglomeration
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CECA solutions
Optimized design ● Process and Vessels drawing review (including internals) ● Operating parameters optimization leading to cost reduction
Plant support ● Performance evaluation ● Breakthrough tests ● Molecular sieve sample analyses ● Troubleshooting
Services ● Operators seminar and training assistance ● Operation procedure review and assistance ● Loading assistance and on-site vessel / equipment inspection ● Start-up assistance
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Loading assistance
Complete procedure provided with material
CECA supervision: ● Control of material before loading ● Check internals ● Control respect of loading plan: heights, levelling… ● Report and CECA certificate
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Part VI – CECA references
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Our References Petrochemistry and Refining
Cracked Gas Drying : ● Main worldwide references
Country
Nb of units
France
3
Iran
3
Germany
2
Croatia
1
Czech rep.
1
India
2
Qatar
1
Poland
1
Russia
3
Sth Africa
2
Algeria
1
USA
1
Korea
4
Israel
1
Malaysia
2
~2/3 from Naphta feed and 1/3 from Ethane 40% have plant capacity > 0.5 MTPA Ethylene
Olefins Drying : ● Ethylene & Propylene
Country
Nb of units
France
13
Netherlands
6
Japan
3
Sth Africa
1
Qatar
2
Korea
1
Germany
1
Italy
2
Malaysia
1
Portugal
1
Greece
1
Liquid sweetening : ● LPG / C3 / C4
Country
Nb of units
France
5
UK
4
Qatar
3
USA
2
Iran
2
Libya
1
Finland
1
Canada
1
~3/4 use 13X type product 50% involve more than 15 tons of MS
Isomer separation : ● CECA exclusive partner of Axens for providing mole sieves to
the Elupar® and Eluxyl® licenses.
Others : ● H2 drying, Cl traps, etc.
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Our References Refinery – Chloride traps
Selected Reference List for NK10 CL : Country Customer Unit type Quantity installed
Finland Neste Oil CCR Reformer - Hydrogen gas 50 T
France Total CCR Reformer - Hydrogen recycle gas & Fuel Gas 4 T
France Petroplus Reformer – Hydrogen Net gas 1.2 T
Italy ENI CCR Reformer – Liquid feed to Stabilizer 26.4 T
Czech Republic Ceska Rafinerska CCR reformer Hydrogen gas 4.8 T
Oman ORPC Reduction gas treaters – Hydrogen gas 10.2 T
Poland PKN Orlen CCR reformer – Hydrogen gas & Liquid Reformate 12.6 T
Sweden Preem Semi-regenerative Reformer – Hydrogen rich Net gas & Fuel Gas 15.7 t
United Kingdom ConocoPhillips Reformer – Liquid reformate 25 T
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Our References Refinery - Isomerisation
Selected Reference List for Isomerisation :
Country Company Location Licence MS qty (Tons)
France Total Le Havre PENEX liquid 15
France Total Le Havre PENEX gaz 7
Czech Republic Ceska Rafinerska Litvinov PENEX liquid 5.1
Czech Republic Ceska Rafinerska Litvinov PENEX gaz 2.5
Saudi Arabia Ibn Sina Al Jubail Butamer liquid 21
Slovakia Slovnaft Bratislava PENEX liquid 5.8
Slovakia Slovnaft Bratislava PENEX gaz 2.1
Russia LukOil Perm PENEX liqiud 10
United Kingdom Valero Pembroke Butamer gaz 1.2
United Kingdom Valero Pembroke Butamer gaz 1.2
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Conclusions Why Choosing CECA ?
DESIGN OPTIMIZATION
Done by process engineer
35 years experience
MOLECULAR SIEVE
European quality (Iso 9001)
N°2 worldwide producer
PLANT SUPPORT
Check performances
Troubleshooting
SERVICES
Loading assistance
BT test
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Thank you ! Do you have question ?