Solidification of Greenhouse Gas Carbon Dioxide

Wei Yin

doi:10.4028/www.scientific.net/AMM.472.879

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 472Solidification of Greenhouse Gas Carbon Dioxide

Solidification of Greenhouse Gas Carbon Dioxide

Abstract:

The feasible routine of carbon dioxide solidification is developed, which employs carbon dioxide with calcium sulfate and ammonia to obtain calcium carbonate and ammonium sulfate at ambient temperature. The process of carbon dioxide solidification is a spontaneous and exothermic reaction, whose possesses the rate constants of the second order reaction, which can be attributed to carbon dioxide gas dissolving the water media and carbon dioxide reacted with ammonia to produce ammonium bicarbonate. Calcium sulfate changing rapidly into calcium carbonate accelerates the process of reaction of carbon dioxide reacted with ammonia. The optimization process parameters of carbon dioxide solidification are a 0.075-MPa of CO₂, a 0.5-mol of CaSO₄·2H₂O, a 0.5-mol of NH₃·H₂O and a 100-ml of H₂O in a closed reactor, which is able to obtain 100% CO₂ gas solidification efficiency within 4 minutes at ambient temperature.

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Applied Mechanics and Materials (Volume 472)

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879-883

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https://doi.org/10.4028/www.scientific.net/AMM.472.879

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Online since:

January 2014

Authors:

Wei Yin

Keywords:

Carbon Dioxide, Kinetic, Reduction Emission, Solidification, Thermodynamic

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