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GRACE TO EXPAND AIR POLLUTION CONTROL PROGRAMS

 GRACE TO EXPAND AIR POLLUTION CONTROL PROGRAMS
 BOCA RATON, Fla., March 26 /PRNewswire/ -- W. R. Grace & Co.


(NYSE: GRA), the world's largest catalyst manufacturer, is accelerating its efforts to develop and commercialize new technologies for air pollution control. The company's programs, designed to respond to business opportunities created by the 1990 Clean Air Act Amendments, were described in a paper presented by Dr L. Louis Hegedus, a vice president of Grace's Research Division, at a recent meeting of the American Association for the Advancement of Science in Chicago.
 Dr. Hegedus concluded that the 1990 Clean Air Act Amendments will stimulate the development of significant new catalytic emission control technologies. "Grace," he said, "is moving to provide economically competitive solutions to meet the air pollution control challenges of the 90s and beyond."
 Grace's technologies address both mobile and stationary sources of pollution. Grace's key automotive technology, the electrically heated catalytic converter, is designed to meet the stringent standards of the California Low- and Ultra-Low-Emission Vehicle programs. The technology has been demonstrated in prototype form and is under evaluation by major domestic and foreign automotive manufacturers. Low-emission and ultra-low emission vehicles will be phased in during the mid-90s.
 For stationary emission control, the company is already selling systems for volatile organic compounds (VOCs), carbon monoxide, and nitrogen oxides control from a variety of industrial pollution sources. The company's VOC control systems are marketed under the TEC Systems/KATEC trade names and include both thermal oxidation and catalytic combustion systems.
 Grace CametR dual-function systems control both carbon monoxide and nitrogen oxide in a single catalytic bed. Oxidation catalysts for carbon monoxide abatement are also available. The primary application is in the fast growing gas-fired cogeneration industry; CametR systems have been continuously operating on stationary gas turbines since 1989.
 Now in pilot-scale production, Grace's SYNOXTM selective catalytic reduction (SCR) catalyst for reducing nitrogen oxide from coal-fired power plants will soon enter commercial demonstration. This high- activity catalyst is expected to further reduce the cost of SCR technology.
 Lastly, the NOXSO process is a promising technology, pioneered by the NOXSO Corporation, for simultaneously reducing nitrogen oxide and sulfur oxides from coal-fired power plants. The regenerable sorbent, produced by Grace, removes more than 80 percent of the nitrogen oxide and sulfur oxide while producing a saleable by-product, elemental sulfur. The NOXSO process is now in a 5-megawatt proof-of-concept demonstration under U.S. Department of Energy (DOE) funding. A full- scale commercial demonstration on a 115-megawatt unit will begin in 1993 under the DOE Clean Coal Technology Program.
 Dr. Hegedus discussed frontier areas in air pollution catalysis and reviewed the range of technologies under development in Grace's laboratories.
 Grace is the world's largest specialty chemicals company with a leadership position in health care.
 -0- 3/26/92
 /CONTACT: Chuck Suits of W. R. Grace & Co., 407-362-2600 or 800-GRACE99/
 (GRA) CO: W. R. Grace & Co. ST: Florida IN: AUT SU:


AW -- FL009 -- 1985 03/26/92 12:39 EST
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Publication:PR Newswire
Date:Mar 26, 1992
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