Patent ID: 8277543
Filing Date: 2012-10-02
Classification: B01D,F28D,H02K,Y02C,Y02P

Abstract:
1. A process for CO 2 removal from combustion products of gas fossil fuels from a Closed Cycle Magnetohydrodynamic (MHD) power plant, comprising: heating a noble gas, argon or helium, from about 100° F. to about 3000° F. by downward moving pebbles that fill a bottom half of a vertical heat exchanger and heated in a top half, from ambient temperatures to about 3300° F. by gas burners in a ceiling of the top half that operates at nominal 10 to 20 atmosphere pressure and stoichiometric ratio of unity; after which said pebbles exit from a conical bottom of the top half through a revolving plate valve into a smaller diameter vertical cylinder where the combustion products are evacuated; after which said pebbles exit through a lower revolving plate valve into the bottom half of the heat exchanger to heat the noble gas to 3000° F.; and when said pebbles reach the bottom of the bottom half and are cooled to a 1000° F. range they pass through a rotating flat plate valve, and fall onto a conveyor belt that delivers them to a top of the top half of the heat exchanger to be reheated by the combustion gases, and the heating-cooling cycle is repeated.