Patent · US Expired

Method to produce aggregate products

US5772937A · kind A · utility

17Cited by
4References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 15, 1996
Grant dateJun 30, 1998
Priority date
Expiry dateOct 15, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02W30/91
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Disclosed is a method and an apparatus used in said method, to produce aggregate products from waste material streams. The method comprises combining an encapsulation material with waste materials to form a mix suitable for granulation. This mix is then feed to a granulation means to form particles having a size suitable for thermal treatment in a bed thermal processing means, which can be a fluid bed system or a spouting bed system. In the bed thermal processing apparatus the particles are converted into an aggregate product.

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