Patent · US Expired

Process for destroying chlorinated aromatic compounds

US6222089A · kind A · utility

1Cited by
3References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 27, 1998
Grant dateApr 24, 2001
Priority date
Expiry dateNov 27, 2018

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D2257/202
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A process for destroying aromatic compounds in an exhaust gas containing also sulfur dioxide, nitrogen oxides and dust, first the dust is removed at a temperature of between room temperature and 150.degree. C. to a residual quantity of not more than 50 mg/m.sup.3,the sulfur dioxide is removed to a residual quantity of not more than 1000 mg/m.sup.3, the nitrogen oxides are removed to a residual quantity of not more than 300 mg/m.sup.3 and the exhaust gas is then subjected to electron irradiation having an energy of 3 to 10 kWh/1000 m.sup.3 exhaust gas.

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