Carbon dioxide capture from a cement manufacturing process

Details Carbon dioxide capture from a cement manufacturing process Carbon dioxide capture from a cement manufacturing process

2011-07-12

2011-07-12

Lorengo, Jerry (Department: 1731)

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

C106S737000, C106S744000, C060S274000

Reexamination Certificate

active

07976628

ABSTRACT:
A process of manufacturing cement clinker is provided in which a clean supply of CO2gas may be captured. The process also involves using an open loop conversion of CaO/MgO from a calciner to capture CO2from combustion flue gases thereby forming CaCO3/CaMg(CO3)2. The CaCO3/CaMg(CO3)2is then returned to the calciner where CO2gas is evolved. The evolved CO2gas, along with other evolved CO2gases from the calciner are removed from the calciner. The reactants (CaO/MgO) are feed to a high temperature calciner for control of the clinker production composition.

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patent: 2009/0255444 (2009-10-01), Martinez Vera
patent: WO 2008/059378 (2008-05-01), None

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