Patent · US Expired

Process for eliminating acidic components from waste gases

US4341745A · kind A · utility

13Cited by
4References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 18, 1980
Grant dateJul 27, 1982
Priority date
Expiry dateJul 18, 2000

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J2220/42
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Acid gases are removed from waste gases by contacting said gases with an orbent which is a direct reaction product a mixture of red mud and an alkaline earth metal hydroxide or aluminum oxide.

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