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:
Jan. 09, 1979
Filed:
May. 09, 1977
Applicant:
Inventors:
Rolf Germerdonk, Bergisch-Gladbach, DE;
Adam Jonas, Leichlingen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55 49 ; 55 73 ; 55 54 ; 423243 ; 423575 ;
Abstract
Advantageously the absorption solution is glutaric acid buffered to a pH of about 3.5 to 6.5, the concentration of the glutaric acid is from about 40% up to 90% of the saturation concentration, its temperature is from about 20 to 25.degree. C, it has a concentration of heavy metal ions no more than about 10.sup.-6 mole/l, and to improve the separation of SO.sub.2 from the absorption solution steam is introduced into at least one separator in from about 0.01 to 0.1 kg/l of solution to be desorbed.