Patent · US Expired

Method of conditioning flue gas

US4306885A · kind A · utility

18Cited by
4References
34Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 27, 1978
Grant dateDec 22, 1981
Priority date
Expiry dateFeb 27, 1998

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB03C3/013
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The collection characteristics of particles entrained in a particle-laden gas for collection by an electrostatic precipitator are improved by injecting finely divided sodium and ammonium phosphate salts into a particle-laden gas stream formed by the burning of coal. Sufficient additive is injected to provide 24-1200 grams per metric ton of coal burned to form the gas. After injection, the stream is directed through a heat exchange means and finally into the precipitator to collect the particles therein.

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