Inorganic oxides for co2 capture from exhaust systems

a technology of inorganic oxides and exhaust systems, applied in the direction of machines/engines, separation processes, mechanical equipment, etc., can solve the problems of inability to meet the requirements of operation temperature, and inability to operate at 850° c,
US20130174739A1Inactive Publication Date: 2013-07-11MAGNESIUM ELETRON LTD
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Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
MAGNESIUM ELETRON LTD
Publication Date
2013-07-11
Estimated Expiration
Not applicable · inactive patent

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Abstract

This invention relates to the utilization of regenerable water tolerant solid materials for the abatements of CO2 emissions from internal combustion engine exhaust streams through repetitive sorption / desorption cycles. The system, which is designed to be used in a gasoline, lean gasoline, diesel passenger car, diesel truck, stationary engine with 50 Hz or 60 Hz electrical frequency, or a SOFC, will contain a solid sorbent which contains zirconium and will be able to reduce on board the average carbon emissions by up to 10 wt %. The preferred materials have been selected from the class of hydrotalcite type compounds and / or earth and alkaline earth zirconates.
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Description

BACKGROUND OF THE INVENTION

[0001] 1. Field of the Invention

[0002] The invention relates to regenerable inorganic oxides, mixed oxides and / or layered double hydroxides for the capture of CO2 emissions from engine exhaust streams through repeated adsorption—desorption cycles under dynamic temperature fluctuations during the engine operation cycles.

[0003] 2. Description of the Related Art

[0004] A current problem with tremendous implications at various levels is the CO2 emission from fuel combustion in different sectors of industry. Aiming to reduce these emissions, the concept of CO2 capture and storage (CCS) has been introduced in practice and important projects are under development or have been implemented already in industry. This concept deals with the CO2 capture from various sectors of industry, its transport through pipelines or tankers and its storage into deep saline aquifers, depleted oil and gas reservoirs or unmineable coal seams.

[0005] In the case of gas-fired power station w...

Claims

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