Patent · US Expired

Method for the removal of dust from exhaust gases

US3989482A · kind A · utility

3Cited by
22References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 16, 1974
Grant dateNov 2, 1976
Priority date
Expiry dateAug 16, 1994

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB03C3/36
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A stream of raw material is passed through a preheater to a furnace and a stream of exhaust gases from the furnace is passed through the preheater to preheat the raw material. Dust is electrostatically precipitated from the exhaust gases leaving the preheater, and the temperature of such exhaust gases is controllably raised to improve the efficiency of the dust removal by bypassing a controlled proportion of at least one of said streams around at least a portion of the preheater.

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