Patent · US Expired

Treating ash and dust from incineration plants by coprocessing with hazardous waste and/or metallic scrap

US4831943A · kind A · utility

30Cited by
3References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 26, 1988
Grant dateMay 23, 1989
Priority date
Expiry dateMay 26, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P10/20
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

A method of treating ash and dust from incineration plants. The ash and dush are coprocessed by mixing one or more hazardous wastes and/or metallic scraps therewith. The mixture is supplied to a smelting furnace together with a reducing agent.

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