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:
May. 20, 1986
Filed:
Jan. 13, 1984
Applicant:
Inventors:
Bengt Edwall, Skurup, SE;
Hans Karlsson, Lund, SE;
Assignee:
Sydkraft AB, Malmo, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423242 ; 423555 ;
Abstract
Procedure and plant for spray drying absorption of flue gases by separation of SO.sub.2. A suspension of finely-ground limestone is added to a reactor via an oxidation and acidification unit, where the finely-ground limestone is mixed with recirculated solids and air, oxygen and/or some of the flue gases. Preferably, the recirculated solids is also subjected to reactivation by wet-grinding.