Patent · US Expired

Method for the treatment of waste gas from a cellulose plant

US7014684B2 · kind B2 · utility

4Cited by
8References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 30, 2001
Grant dateMar 21, 2006
Priority date
Expiry dateDec 9, 2021

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD21C11/06
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A process and a device for cleaning waste gas from pulp production, especially for cleaning waste gases from a bleaching reactor. Aerosols contained in the waste gas are removed and the gaseous impurities are scrubbed out of the waste gas by a scrubbing liquid.

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