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University of Southern California

Tai Chong Cheang Steamship Co. (h.k.) Limited

Fokion Egolfopoulos

Martin Adolph Gundersen

Theodore T Tsotsis

Stephen B Cronin

Richard W Prosser

Sriram Subramanian

William Schroeder

Tom Huiskamp

Alec Nystrom

Sisi Yang

Christi Schroeder

Jyh-Yih Ren

Majid Monji

Mirmohammadyousef Motamedhashemi

Nitin Nair

Alireza Divsalar

Vyaas Gururajan

Haotian Shi

This invention relates to methods and systems for reducing the concentration of SOx and/or NOx in gas streams.

Systems and methods for plasma-based remediation of SOand NO

Systems and methods for removal of gas phase contaminants may utilize catalytic oxidation. For example, a method may include passing a gas that includes a gas phase contaminant through a catalytic membrane reactor at a temperature of about 150&#xb0; C. to about 300&#xb0; C., wherein the catalytic membrane reactor includes a bundle of tubular inorganic membranes, wherein each of the tubular inorganic membranes comprise a macroporous tubular substrate with an oxidative catalyst and a microporous layer disposed on a bore side of the macroporous tubular substrate, and wherein at least about 50% of the gas flows through the tubular inorganic membranes in a Knudsen flow regime; and oxidizing at least some of the gas phase contaminant with the oxidative catalyst layer, thereby reducing a concentration of the gas phase contaminant in the gas.

Catalytic removal of gas phase contaminants

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Los Angeles, CA, United States of America

Fokion Egolfopoulos