Field evidence of CO2 sequestration by mineral carbonation in ultramafic milling wastes, Thetford Mines, Canada

Karl Lechat,Jean-Michel Lemieux,John Molson,Georges Beaudoin,Réjean Hébert

International Journal of Greenhouse Gas Control（2016）

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摘要

•Field observations of natural/passive mineral carbonation in milling wastes.•Major evidences are low CO2 concentrations and the presence of hydromagnesite.•The estimated amount of sequestrated CO2 is 4kg/m3/year.•A conceptual model for mineral carbonation in ultramafic milling wastes is proposed.

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关键词

Mineral carbonation,CO2 sequestration,Experimental field cell,Ultramafic rock,Milling waste

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