Pressurized direct contact heat exchange process

Details Pressurized direct contact heat exchange process Pressurized direct contact heat exchange process

F - Mech Eng,Light,Heat,Weapons

01

K

F01K 17/06 (2006.01) F01K 3/18 (2006.01)

Patent

CA 2419774

Process for converting latent heat of water vapor, appearing with non- condensable gases expelled into the atmosphere, into more useful forms of energy, e.g. process steam / electricity. It uses pressurized direct contact heat exchange systems to achieve this conversion at high thermal efficiencies. It has application to sources of these gases, such as pressure combustion of wet biomass fuels, where pressures in the range of 250 psia have been used e.g. in the "The Clean Coal Technology Program" sponsored by the US Department of Energy. When pressure combustion is used in combination with pressurized water electrolysis it produces pressurized by-product hydrogen. It can be used to extract methane from methane hydrate ice located below the earth and sea. It has application to the Pulp & Paper Industry, where air-steam exhausts and effluents can be reclaimed and biomass burnt to produce process steam I electricity and water for reuse. It is pertinent to the "greenhouse gas" problem.

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