tececo - industrial ecologies for sequestration
DESCRIPTION
CO 2. TecEco - Industrial Ecologies for Sequestration. Serpentine Mg 3 Si 2 O 5 (OH) 4. Olivine Mg 2 S i O 4. Suitable brines from other sources. Crushing. Crushing. 1.354 x 10 9 km3 Seawater containing 1.728 10 17 tonne Mg. CO 2 from power generation, industry or air. Waste Acid. - PowerPoint PPT PresentationTRANSCRIPT
GreensolsSeawater Carbonati
on Process
TecEco - Industrial Ecologies for Sequestration
CO2 as a biological or industrial input or if no other use geological sequestration
Waste Acid
1.354 x 109 km3 Seawater containing 1.728 1017 tonne Mg
Gypsum (CaSO4)
Gypsum + carbon waste (e.g. sewerage) = fertilizers
Sewerage compost
Magnesite (MgCO3)Solar Process to Produce Magnesium Metal
Bicarbonate of Soda (NaHCO3)
Other salts Na+,K+, Ca2+,Cl-
CO2 from power generation, industry or air
CrushingGrindingScreeningMagnetic Sep.
Gravity Concentration
Suitable brines from other sources
Heat Treatment
CrushingGrindingScreening
Silicate Reactor Process
Silicic Acids or
Silica
Olivine Mg2SiO4
Serpentine Mg3Si2O5(OH)4
Hydroxide
Reactor
Process
CO2 from power generation or industry
Magnesite (MgCO3) Magnes
ia (MgO)
Using Carbon and Wastes to Construct the built environment (bio-mimicry). Huge potential as over 15 billion tonnes concrete used annually
Other Wastes
Simplified TecEco ReactionsTec-Kiln MgCO3 → MgO + CO2 - 118 kJ/moleReactor Process MgO + CO2 → MgCO3 + 118 kJ/mole (usually more complex hydrates) Magnesium
Thermodynamic Cycle
Tonnes CO2 sequestered per tonne magnesium with various cycles through the TecEco Tec-Kiln process. Assuming no leakage MgO to built environment (i.e. complete cycles).
Billion Tonnes
Tonnes CO2 sequestered by 1 billion tonnes of Mg in seawater
1.81034
Tonnes CO2 captured during calcining (same as above)
1.81034
Tonnes CO2 captured by eco-cement 1.81034
Total tonnes CO2 sequestered or abated per tonne Mg in seawater (Single calcination cycle).
3.62068
Total tonnes CO2 sequestered or abated (Five calcination cycles.)
18.1034
Total tonnes CO2 sequestered or abated (Ten calcination cycles).
36.20
CO2
Eco-CementTec-Cement
Sequestration Table – Mg from Seawater
CO2 directly from the air
The TecEco - Greensols ‘CarbonSafe’ Sequestration Process
Hydroxide
Reactor
Process
CO2 as a biological or industrial input or if no other use geological sequestration
CO2 from power generation or industry
Magnesite (MgCO3) Magnes
ia (MgO)
Using Carbon and Wastes to Construct the built environment (bio-mimicry). Huge potential as over 15 billion tonnes concrete used annually
Other Wastes
Simplified TecEco ReactionsTec-Kiln MgCO3 → MgO + CO2 - 118 kJ/moleReactor Process MgO + CO2 → MgCO3 + 118 kJ/mole (usually more complex hydrates)
Magnesium Thermodyna
mic Cycle
Waste Acid
1.354 x 109 km3 Seawater containing 1.728 1017 tonne Mg
Tonnes CO2 sequestered per tonne magnesium with various cycles through the TecEco Tec-Kiln process. Assuming no leakage MgO to built environment (i.e. complete cycles).
Billion Tonnes
Tonnes CO2 sequestered by 1 billion tonnes of Mg in seawater
1.81034
Tonnes CO2 captured during calcining (same as above)
1.81034
Tonnes CO2 captured by eco-cement 1.81034
Total tonnes CO2 sequestered or abated per tonne Mg in seawater (Single calcination cycle).
3.62068
Total tonnes CO2 sequestered or abated (Five calcination cycles.)
18.1034
Total tonnes CO2 sequestered or abated (Ten calcination cycles).
36.20
Gypsum (CaSO4)Gypsum + carbon
waste (e.g. sewerage) = fertilizers
Sewerage compost
Magnesite (MgCO3)Solar Process to
Produce Magnesium Metal
CO2
Potable water
Eco-CementTec-Cement
Seawater Carbonat
ion Process
Suitable brines from other sources
Other salts Na+,K+, Ca2+,Cl-
CO2 from power generation, industry or air
Sequestration Table – Mg from Seawater
CO2 directly from the air
Bicarbonate of Soda (NaHCO3)
The TecEco Total (Mineral) Sequestration Process
CO2 as a biological or industrial input or if no other use geological sequestration
Simplified TecEco ReactionsTec-Kiln MgCO3 → MgO + CO2 - 118 kJ/moleReactor Process MgO + CO2 → MgCO3 + 118 kJ/mole (usually more complex hydrates)
Magnesite (MgCO3)Solar Process to
Produce Magnesium Metal
Silicate Reactor Process
Silicic Acids or Silica
Crushing
Grinding Screening
Magnetic Sep.
Heat Treatment
Serpentine Mg3Si2O5(OH)4
Crushing Grinding
Screening
Gravity Concentration
Olivine Mg2SiO4
Waste Sulfuric Acid or Alkali?
CO2 from power generation or industry
Hydroxide
Reactor
Process
CO2 from power generation or industry
Magnesite (MgCO3) Magnes
ia (MgO)
Using Carbon and Wastes to Construct the built environment (bio-mimicry). Huge potential as over 15 billion tonnes concrete used annually
Other Wastes
Magnesium Thermodyna
mic Cycle
Tonnes CO2 sequestered per tonne magnesium with various cycles through the TecEco Tec-Kiln process. Assuming no leakage MgO to built environment (i.e. complete cycles).
Billion Tonnes
Tonnes CO2 sequestered by 1 billion tonnes of Mg in seawater
1.81034
Tonnes CO2 captured during calcining (same as above)
1.81034
Tonnes CO2 captured by eco-cement 1.81034
Total tonnes CO2 sequestered or abated per tonne Mg in seawater (Single calcination cycle).
3.62068
Total tonnes CO2 sequestered or abated (Five calcination cycles.)
18.1034
Total tonnes CO2 sequestered or abated (Ten calcination cycles).
36.20
CO2
Eco-CementTec-Cement
Sequestration Table – Mg from Seawater
CO2 directly from the air