TecEcoPosterCombineP rocessPortrait30Mar06

Information about TecEcoPosterCombineP rocessPortrait30Mar06

Published on February 11, 2008

Author: Terenzio

Source: authorstream.com

Content

TecEco - Industrial Ecologies for Sequestration:  Greensols Seawater Carbonation 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 Crushing Grinding Screening Magnetic Sep. Gravity Concentration Suitable brines from other sources Heat Treatment Crushing Grinding Screening Silicate Reactor Process Silicic Acids or Silica Olivine Mg2SiO4 Serpentine Mg3Si2O5(OH)4 Hydroxide Reactor Process CO2 from power generation or industry Magnesite (MgCO3) Magnesia (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 Reactions Tec-Kiln MgCO3 → MgO + CO2 - 118 kJ/mole Reactor Process MgO + CO2 → MgCO3 + 118 kJ/mole (usually more complex hydrates) Magnesium Thermodynamic Cycle Eco-Cement Tec-Cement Sequestration Table – Mg from Seawater CO2 directly from the air The TecEco - Greensols ‘CarbonSafe’ Sequestration Process:  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) Magnesia (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 Reactions Tec-Kiln MgCO3 → MgO + CO2 - 118 kJ/mole Reactor Process MgO + CO2 → MgCO3 + 118 kJ/mole (usually more complex hydrates) Magnesium Thermodynamic Cycle 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 Potable water Eco-Cement Tec-Cement Seawater Carbonation 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:  The TecEco Total (Mineral) Sequestration Process CO2 as a biological or industrial input or if no other use geological sequestration Simplified TecEco Reactions Tec-Kiln MgCO3 → MgO + CO2 - 118 kJ/mole Reactor 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) Magnesia (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 Thermodynamic Cycle Eco-Cement Tec-Cement Sequestration Table – Mg from Seawater CO2 directly from the air

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