Process of incinerating waste materials

US5297495A · kind A · utility

Assignee

• Metallgesellschaft AG · DE

Inventor

• Ekkehard Weber · Essen, DE

Key dates

• Filing date: Jun 25, 1992
• Grant date: Mar 29, 1994
• Expiry date: Jun 25, 2012

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P40/50
• WIPO field: Environmental technology
• WIPO sector: Chemistry

Abstract

For the incineration of waste materials, a process is described, in which the waste materials are reduced in size as far as necessary and are subsequently optionally mixed with fuel and are incinerated at temperatures from 1000.degree. to 1700.degree. C. to form liquid ash, a major part of which is removed as liquid slag from the combustion chamber, and the pollutants are removed from the exhaust gases produced by the incineration. The process is characterized in that the pollutant-containing droplets of liquid ash which are suspended in the exhaust gas are separated at a temperature, which is close to the incineration temperature by at least one mass force separator and are subsequently either solidified alone or are combined with the liquid slag and solidified together with said slag.