Patent · US Active

Catalyst system and method for the reduction of NOx

US8062991B2 · kind B2 · utility

7Cited by
7References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 22, 2004
Grant dateNov 22, 2011
Priority date
Expiry dateJul 25, 2028

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02C20/10
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A catalyst system for the reduction of NOx comprises a catalyst comprising a metal oxide catalyst support, a catalytic metal oxide comprising at least one of gallium oxide or silver oxide, and at least one promoting metal selected from the group consisting of silver, cobalt, molybdenum, tungsten, indium, bismuth and mixtures thereof. The catalyst system further comprises a gas stream comprising an organic reductant, and a compound comprising sulfur. A method for reducing NOx utilizing the said catalyst system is also provided.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.