Patent · US Expired

Process and apparatus for recovery of sulfur from ammonia containing acid gas streams

US4643888A · kind A · utility

9Cited by
3References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 21, 1985
Grant dateFeb 17, 1987
Priority date
Expiry dateMar 21, 2005

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D53/8612
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A regeneration effluent stream containing ammonia from an adsorptive Claus reactor is processed to produce a stream enriched in ammonia and an ammonia-lean regeneration effluent stream. The stream enriched in ammonia is processed to reduce the concentration of ammonia therein.

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