Patent · US Expired

Multi-stage process for reducing the concentration of pollutants in an effluent

US4777024A · kind A · utility

46Cited by
8References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 6, 1987
Grant dateOct 11, 1988
Priority date
Expiry dateMar 6, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02W10/37
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A process is presented for reducing the concentration of pollutants in an effluent from the combustion of a carbonaceous fuel. The process comprises injecting a first treatment agent into the effluent at a first temperature zone and injecting a second treatment agent into the effluent at a second temperature zone, wherein the first and second treatment agents are injected under conditions effective to reduce the effluent pollution index.

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