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A ZEOLITE CATALYST FOR THE DECOMPOSITION OF NITROGEN OXIDES IN A NET-OXIDIZING FLUE GAS

Award Information
Agency: Department of Energy
Branch: N/A
Contract: N/A
Agency Tracking Number: 14480
Amount: $50,000.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: N/A
Solicitation Number: N/A
Timeline
Solicitation Year: N/A
Award Year: 1991
Award Start Date (Proposal Award Date): N/A
Award End Date (Contract End Date): N/A
Small Business Information
12421 West 49th #6
Wheat Ridge, CO 80033
United States
DUNS: N/A
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 John D Wright
 Principal Investigator
 () -
Business Contact
Phone: (303) 422-7819
Research Institution
N/A
Abstract

AMONG THE MOST IMPORTANT OF THE POLLUTANTS ARISING FROM THE COMBUSTION OF COAL ARE THE NITROGEN OXIDES (NO AND NO2, OR NOX). CURRENTLY, THE ONLY CATALYTIC PROCESSES CAPABLE OF CONTROLLING NOX IN THE AIR-RICH FLUE GASES OF A COAL-FIRED POWERPLANT REQUIRE THE ADDITION OF A REDUCING GAS, SUCH AS AMMONIA OR UREA, TO THE FLUE GAS. THIS NOT ONLY LEADS TO INCREASED COSTS, BUT EMISSIONS OF THE REDUCING GAS MAY ADD TO THE POLLUTION PROBLEM. EVEN THOUGH THE DECOMPOSITION OF NITROGEN OXIDES TO NITROGEN AND OXYGEN IS THERMODYNAMICALLY FAVORED, THERE ARE NO COMMERCIAL CATALYSTS CURRENTLY CAPABLEOF CARRYING OUT THIS REACTION. A DIRECT CATALYTIC DECOMPOSITION PROCESS THAT DOES NOT REQUIRE THE USE OF A REDUCING GAS WOULD BE A MAJOR ADVANCE. THIS PROJECT WILL TEST ZEOLITE CATALYSTS EXPECTED TO BE CAPABLE OF CARRYING OUT THIS REACTION. THESE MATERIALS HAVE A LOWER AFFINITY FOR OXYGEN THAN DO OTHER CATALYSTS AND ARE THEREFORE NOT POISONED BY THE REACTION PRODUCTS. IN PHASE I, SUBSTITUTED ZEOLITES ARE BEING PRODUCED AND THEIR PERFORMANCE EVALUATED UNDER CONDITIONS REPRESENTATIVE OF THE FLUE GASES FROM A COAL-FIRED POWERPLANT. IMPROVED CATALYSTS ARE BEING DEVELOPED, MODIFYING THE STRUCTURE AND COMPOSITION OF THE MATERIAL. IN PHASE II, THE CATALYTIC ACTIVITY WILL BE IMPROVED FURTHER, THE EFFECT OF KNOWN POISONS WILL BE EVALUATED, AND THE CATALYST CAPABILITIES WILL BE DEMONSTRATED IN A FLUE GAS SLIPSTREAM.

* Information listed above is at the time of submission. *

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