Patent · US Expired

Waste incineration process

US5177305A · kind A · utility

35Cited by
7References
5Claims
0Family size

Inventor

Key dates

Filing dateApr 1, 1991
Grant dateJan 5, 1993
Priority date
Expiry dateApr 1, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S423/18
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

The process is the type wherein the solid portions of waste materials of all origins are crushed and ground to a granulometry of under 5 mm and then are heated to between 750.degree. C. and 1,350.degree. C. According to the invention, after the addition, if applicable, of liquid waste to obtain a pasty mass, a reagent is added to the latter, in pulverulent form having granules of under 500 microns based with calcium carbonate, silicium oxide and, possibly, aluminum and iron oxides in quantities to produce the following ratio after incineration: ##EQU1## Application to the treatment of all types of waste by combustion.

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