Patent · US Expired

Melting glass with reduced NO.sub.x emissions

US4328020A · kind A · utility

30Cited by
5References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 24, 1980
Grant dateMay 4, 1982
Priority date
Expiry dateNov 24, 2000

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P40/50
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

NO.sub.x emissions from a glass melting furnace are reduced by injecting ammonia into the exhaust gas stream on a flue between primary and secondary regenerator chambers in one embodiment, and in staged zones within a regenerator in another embodiment.

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