The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 21, 1992
Filed:
Jun. 14, 1990
Applicant:
Inventors:
Ekkehard Weber, Essen, DE;
Karlheinz Arras, Frankfurt am Main, DE;
Assignee:
Metallgesellschaft Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55-1 ; 55 97 ;
Abstract
A process is described for avoiding the formation of highly condensed aromatic hydrocarbons and dioxines in combustion systems, preferably in garbage incinerating systems, wherein the combustion exhaust gas are dedusted at temperatures from 300.degree. to 1000.degree. C. behind the furnace and wherein said process combustion exhaust gases are dedusted by means of a ceramic filter element which is made of SiO.sub.2 and/or Al.sub.2 O.sub.3 and/or ZrO.sub.2 and an inorganic binder and has a porosity of 50 to 90% and an apparatus for carrying out the process is also described.