IN-DUCT SELECTIVE CATALYTIC REDUCTION OF NOX

Award Information
Agency:
Environmental Protection Agency
Branch
n/a
Amount:
$49,975.00
Award Year:
1993
Program:
SBIR
Phase:
Phase I
Contract:
n/a
Award Id:
21532
Agency Tracking Number:
21532
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
Po Box 368, Amherst, MA, 01004
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Dr J R Kittrell
Business Representative
(413) 549-5506
Business Contact:
() -
Research Institution:
n/a
Abstract
THE CONVENTIONAL CONTROL DEVICE FOR NOX EMISSIONS FROM STATIONARY SOURCES AT 90% REMOVAL EFFICIENCY IS THE SELECTIVE CATALYTIC REDUCTION (SCR) SYSTEM. CONVENTIONAL SCR SYSTEMS RELY ON MONOLITHIC CATALYSTS; THESE CATALYSTS OFTEN PRESENT NEARLY ONE-HALF THE CAPITAL INVESTMENT. IN RECENT YEARS, EUROPEAN REGULATIONS HAVE PROMPTED DEVELOPMENT OF IN-DUCT DUST INJECTION CONTROL PROCESSES FOR CERTAIN GASEOUS EMISSIONS. THESE IN-DUCT SYSTEMS HAVE BEEN DEMONSTRATED TO PROVIDE LOWER CAPITAL AND OPERATING COSTS THAN ALTERNATIVE SYSTEMS. IN THE PHASE I RESEARCH, THE TECHNICAL FEASIBILITY IS TO BE DEMONSTRATED OF AN IN-DUCT SCR CONTROL PROCESS FOR NOX CONTROL FROM GAS-FIRED STATIONARY SOURCES. FROM PRELIMINARY LABORATORY EXPERIMENTS, THIS IN-DUCT SCR TECHNOLOGY APPEARS ABLE TO UTILIZE HIGHLY ACTIVE, SMALL PARTICLE SCR CATALYSTS TO ACHIEVE REMARKABLE REACTOR PRODUCTIVITY, WITH SPACE VELOCITIES OF APPROXIMATELY 1,000,000 HR(-1). THE PROCESS REDUCES INTERNAL CATALYST DIFFUSION LIMITATIONS, THEREBY CAPTURING THE INHERENT CATALYST ACTIVITY. THE IN-DUCT SCR TECHNOLOGY HOLDS PROMISE OF APPROACHING THE LOW LIFE-CYCLE COSTS OF NOX CONTROL THROUGH NON-CATALYTIC UREA INJECTION, WHILE ACHIEVING THE HIGH NOX REMOVAL EFFICIENCIES OF CONVENTIONAL CATALYTIC SCR SYSTEMS. AMMONIA SLIP MAY ALL BE MORE EFFECTIVELY CONTROLLED.

* information listed above is at the time of submission.

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