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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.:

US 4576803 B1

PDFFull Text
Date of Patent:
Mar. 18, 1986

Filed:

Dec. 09, 1983

Method of producing calcium sulfate dihydrate in connection with the

Applicant:
Inventors:

Karl-Rudolf Hegemann, Essen, DE;

Helmut Weissert, Bochum, DE;

Jurgen Laimkuhler, Essen, DE;

Assignee:

Gottfried Bischoff Bau kompl. Gasreinigungs- und Wasserruckkuhlanlagen, , US;

Attorneys:

Ross; Karl F.

Dubno; Herbert

Primary Examiner:

Gregory A Heller

Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423242 ; 423166 ; 423555 ;
Abstract

A scrubber for flue gases from a fossil-fired power plant in which calcium sulfate dihydrate is produced by recirculating the scrubbing water suspension containing lime and introducing oxygen into the sump collection, has a discontinuously operated pump which withdraws the suspension for recovering of the solid product only discontinuously so as to maintain the solids concentration between 40 and 130 g/l.

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Hegemann, Karl-Rudolf. (1986). Method of producing calcium sulfate dihydrate in connection with the (U.S. Patent No. 4576803). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4576803

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