John George Sotter
Engineers at Loma Verde, San Juan Capistrano, CA

License number
Colorado 17372
Issued Date
Aug 28, 1980
Renew Date
Feb 23, 1985
Expiration Date
Feb 23, 1985
Type
Professional Engineer
Address
Address
26705 Loma Verde, San Juan Capistrano, CA 92691

Professional information

John Sotter Photo 1

Urea Reduction Of No.sub.x In Combustion Effluents

US Patent:
4208386, Jun 17, 1980
Filed:
Mar 3, 1976
Appl. No.:
5/663415
Inventors:
John K. Arand - Rancho Palos Verdes CA
Lawrence J. Muzio - Laguna Niguel CA
John G. Sotter - Mission Viejo CA
Assignee:
Electric Power Research Institute, Inc. - Palo Alto CA
International Classification:
B01D 5334
US Classification:
423235
Abstract:
Method for reducing NO. sub. x in combustion effluents comprising introducing urea at elevated temperatures in the presence of oxygen, either as a solid or solution in amounts sufficient to reduce the NO. sub. x concentration. Conveniently, the urea may be introduced as a solid powder or as a solution in a hydroxylic solvent, at temperatures in excess of 1300. degree. F. and in the presence of at least 0. 1 volume percent oxygen. This invention was made under contract with or supported by the Electric Power Research Institute.