Patent · US Expired

Process of burning cattle dung

US4747356A · kind A · utility

12Cited by

6References

5Claims

0Family size

Assignee

Metallgesellschaft AG · DE

Inventors

Hans Beisswenger · Bad Soden, DE
Fred Cappel
Dirk Hankel · Mühlheim, DE
Walter Koch · Rüti, CH

Key dates

Filing date	Feb 4, 1987
Grant date	May 31, 1988
Priority date	—
Expiry date	Feb 4, 2007

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E20/34
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

Disclosed is a process for burning cattle dung at a temperature of from 500.degree. to 780.degree. C., preferably from 650.degree. to 780.degree. C., in the presence of one or more aluminum-containing substances selected from the class consisting of bauxite, kaolin and aluminum compound-containing ash from furnaces for firing solid fuels. A major part of the alkalies contained in the cattle dung and a substantial part of the chlorine are retained in combined form in the resulting furnace ash.

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