Patent · US Expired

Method of treating metallic oxide impregnated dust

US4878944A · kind A · utility

17Cited by
3References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 18, 1988
Grant dateNov 7, 1989
Priority date
Expiry dateOct 18, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P10/20
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A process for treating hazardous particulate generated during a manufacturing process is provided. The process includes the steps of: passing particulate material through at least one duct toward a waste collection device; feeding an additive into the duct to be mixed with the particulate material, upstream from the waste collection device; and passing the particulate material mixed with the additive into the waste collection device. A scrap remelting apparatus is also provided.

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