Patent · US Expired

Treatment of diesel exhaust gas using zeolite catalyst

US5849255A · kind A · utility

32Cited by
4References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 5, 1996
Grant dateDec 15, 1998
Priority date
Expiry dateJun 5, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/12
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A high activity catalyst and the method of using it to effectively convert the hydrocarbon, soluble oil fraction and carbon monoxide in a diesel exhaust stream while minimizing the oxidation of SO.sub.2 is disclosed. The catalyst comprises at least one platinum group metal dispersed on a two-component support comprising in major amount one or more zeolites and in minor amount an inorganic oxide selected from the group consisting of alumina, titania and mixtures thereof.

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