co2 mineralisation process producing sodium … · co2 mineralisation process producing sodium...
TRANSCRIPT
Content
• Introduction
• Process Development
• Implementation
• Commissioning
• Results
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Sustainable waste and biomass processing Processsing ~ 900 KT anual
• Waste to Energy (3 lines) 600 kton
• Biomass Plant 150 kton
• Bio-Conversion Plant 120 kton
• Waste Sorting Plant 30 kton
• Landfill 20 kton
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Twence location Hengelo
Sorting Plant
Bio-Conversion
Storage
Biomass Plant Waste to Energy Plant
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Landfill
Renewable energy
5
Largest renewable energy
supplier in the Province of
Overijssel.
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– Bottom ash 167,000 ton/y
– Slag product (Forz) 5,000 ton/y
– Compost 33,000 ton/y
– Wood 43,000 ton/y
– Metals 15,000 ton/y
– Minerals produced from CO2 8,000 ton/y
Twence as producer of raw materials:
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CO2 valorisation: CO2 to produce bicarbonate
• First idea demo on CO2 capture in 2008
• Twence uses sodium-bicarbonate (SBC) for reducing acid gas emissions (Cl, SO2)
• SBC could be produced by sodium-carbonate and CO2
• Overall reaction:
(1 ton of carbonate provides for 1.6 ton of bicarbonate)
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Waste to Energy Plant – Line 3
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Flue gas treatment using SBC
• ESP
• LAB-LOOP
• FABRIC FILTER
• DeNOx (SCR)
• Heat Recovery
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CO2 valorisation: CO2 to produce bicarbonate
• Advantages:
– Economics:
• 1 ton of carbonate needed for 1.6 ton of SBC
• Saving on transportation costs
– Environment:
• CO2 emission reduction
– Strategy:
• Sodium-carbonate is a commodity
• Towards zero-emission waste treatment
• Introducing CO2 capture and mineralisation into practice
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Process development
• Innovations needed:
• New solvent to capture CO2 from WtE Plants
• SBC production using pure CO2
• New SBC slurry injection system
• Using SBC-slurry for Flue Gas Treatment
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SBC production using pure CO2
• Experimental research and process modelling:
• Thermodynamics
• Reaction kinetics
• Mass transfer
• Reactor design
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Bringing innovation to reality…
• Soda dissolve system
• CO2 Capture plant
• SBC Production plant
• SBC Injection system
• Utility’s
– Steam
– Cooling Water
– Heat
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Bringing innovation to reality…
14
SBC
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SCR
Fabric Filter
LAB Loop
ESP
ID-Fan
Heat Recovery
Construction of the plant
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Implemetation in Siemens Teleperm XP
• Project fully integrated in the existing DCS system
• Complete system can be controlled from the CCR
• Programming done by Twence employee
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• Soda Dissolve System
• CO2 – Capture Installation
• NBC Production Plant
• NBC Injection System
• Utilities:
– Steam
– Cooling Water
– Heat
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Commissioning startet in November 2014
Problem:
• Blockage Flue Gas Duct
Solution
• Change Flue Gas Distribution
Impact
• Engineering by CFD modeling
• Modify the Flue Gas Mixer during Plant Stop
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Action Plan Injection System
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Thermography Injection System
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Blockage SBC Cooling System
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Reactor System SBC
Problem:
• Crystallization Cooler
Solution
• Heating during operation
• Flushing during operation
Impact
• New Cooler Design
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Action Plan SBC Cooling System
New Cooler Design
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Old design New design
Vavle Control
Results SBC
• Bicarbonate Analysis
• Composition
• Partical Size
• Operations
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Analysis SBC
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Probennummer 14-134197-02 14-134197-03 14-134197-04 14-134197-05 15-118288-01 15-118288-02 15-118288-03 15-118288-05
Eingang 23-9-2014 23-9-2014 23-9-2014 23-9-2014 14-8-2015 14-8-2015 14-8-2015 14-8-2015
Untersuchungsende 8-10-2014 8-10-2014 8-10-2014 8-10-2014 21-8-2015 21-8-2015 21-8-2015 21-8-2015
Probenahme (Datum / Zeit) 27-5-2015 27-5-2015 27-5-2015 2-7-2015
Probenbezeichnung Einheit Matrix L3-Bica-1 L3-Bica-2 L3-Bica-3 L3-Bica-4 Reactor 1 Reactor 2 Buffertank Reactor 2
Trockensubstanz Gew% OS 21,2 17 18,5 16,7
Fluorid (F) mg/kg TS
Schwefel, gesamt (S) mg/kg TS <300 <300 <300 <300 <300 <300 <300 <300
Natrium (Na) mg/kg TS 190.000 240.000 210.000 270.000 320.000 380.000 320.000 360.000
Magnesium (Mg) mg/kg TS <500 <500 <500 <500 <500 <500 <500 <500
Aluminium (Al) mg/kg TS <500 <500 <500 <500 660 <500 <500 <500
Silicium (Si) mg/kg TS <1000 <1000 <1000 1.600 1.100 1.300 <1000 <1000
Phosphor (P) mg/kg TS <200 <200 <200 <200 <200 <200 <200 <200
Chlor (Cl) mg/kg TS 1.000 280 230 <100 370 450 240 1.100
Kalium (K) mg/kg TS <500 <500 <500 <500 <500 <500 <500 <500
Calcium (Ca) mg/kg TS <500 <500 <500 <500 <500 <500 <500 <500
Titan (Ti) mg/kg TS <500 <500 <500 <500 <500 <500 <500 <500
Vanadium (V) mg/kg TS <50 <50 <50 <50 <50 <50 <50 <50
Chrom (Cr) mg/kg TS <20 <20 <20 <20 <20 <20 <20 <20
Mangan (Mn) mg/kg TS <20 <20 <20 <20 <20 <20 <20 <20
Eisen (Fe) mg/kg TS <200 <200 <200 <200 1100 <200 1100 <200
Cobalt (Co) mg/kg TS <20 <20 <20 <20 <20 <25 <25 <25
Nickel (Ni) mg/kg TS <20 <20 <20 <20 <20 <10 <10 <10
Kupfer (Cu) mg/kg TS <5 <5 <5 <5 <5 <5 <5 <5
Zink (Zn) mg/kg TS <20 <20 <10 <10 11 9 10 11
Gallium (Ga) mg/kg TS <5 <5 <5 <5 <5 <5 <5 <5
Germanium (Ge) mg/kg TS <5 <5 <5 <5 <5 <5 <5 <5
Arsen (As) mg/kg TS <10 <10 <10 <10 <10 <10 <10 <10
Selen (Se) mg/kg TS <5 <5 <5 <5 <5 <5 <5 <5
Brom (Br) mg/kg TS <5 <5 <5 <5 <5 <5 <5 <5
Rubidium (Rb) mg/kg TS <5 <5 <5 <5 <5 <5 <5 <5
Strontium (Sr) mg/kg TS <5 <5 <5 <5 <5 <5 <5 <5
Yttrium (Y) mg/kg TS <5 <5 <5 <5 <5 <5 <5 <5
Niob (Nb) mg/kg TS <5 <5 <5 <5 <5 <5 <5 <5
Molybdän (Mo) mg/kg TS <5 <5 <5 <5 <5 <5 <5 <5
Silber (Ag) mg/kg TS <50 <50 <50 <50 <50 <50 <50 <50
Cadmium (Cd) mg/kg TS <5 <5 <5 <5 <5 <5 <5 <5
Zinn (Sn) mg/kg TS <20 <20 <20 <20 10 13 13 11
Antimon (Sb) mg/kg TS <10 <10 <10 <5 <10 <5 <20 <20
Iod (I) mg/kg TS <50 <50 <50 <50 <50 <50 <50 <50
Cäsium (Cs) mg/kg TS <10 <10 <30 <10 <10 <10 <10 <10
Barium (Ba) mg/kg TS <50 <50 <50 <50 <50 <50 <50 <50
Lanthan (La) mg/kg TS <10 <10 <10 <10 <10 <10 <10 <10
Cer (Ce) mg/kg TS <50 <50 <50 <50 <50 <50 <50 <50
Tantal (Ta) mg/kg TS <5 <5 <5 <5 <5 <5 <5 <5
Wolfram (W) mg/kg TS <5 <5 <5 <5 <5 <5 <5 <5
Quecksilber (Hg) mg/kg TS <5 <5 <5 <5 <5 <5 <5 <5
Thallium (Tl) mg/kg TS <5 <5 <5 <5 <5 <5 <5 <5
Blei (Pb) mg/kg TS <5 <5 <5 <5 <5 <5 <5 <5
Bismut (Bi) mg/kg TS <10 <10 <10 <10 <10 <10 <10 <10
Zirkonium (Zr) mg/kg TS <50 <50 <50 <50 <50 <50 <50 <50
NBC AUFSCHLÄMMUNGNBC TROCKEN
Composition SBC
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SBC DROOG SBC SLURRY
Partical Size
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Reactor 1
Reactor 2
Buffertank
Operations
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www.twence.nl
Thank you for your attention
Bouman Twence Ewald Kosters Andy Roeloffzen
T 0546-546831 T 074-2404408
E [email protected] E [email protected]
www.bouman.nl www.twence.nl WWW.CO2SBC.EU