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:
Sep. 22, 1987
Filed:
Jun. 12, 1985
Applicant:
Inventor:
Rainer Sapper, Neuried, DE;
Assignee:
Linde Aktiengesellschaft, Wiesbaden, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24J / ;
U.S. Cl.
CPC ...
62 27 ; 62 32 ; 62 42 ;
Abstract
For the separation of CO.sub.2 from a gaseous mixture containing CO.sub.2 and C.sub.1 -C.sub.6 hydrocarbons, the gaseous mixture to be fractionated is separated in a first fractionating stage into an overhead fraction containing substantially all of the C.sub.1 and C.sub.2 hydrocarbons as well as CO.sub.2 in a molar ratio CO.sub.2 /C.sub.2 of 2:1 to 3.5:1, and into a bottoms fraction containing the remainder of CO.sub.2 and the C.sub.3+ hydrocarbons. The fraction containing CO.sub.2 /C.sub.3+ hydrocarbons is further fractionated, preferably in two serially connected rectification columns, into CO.sub.2 and C.sub.3+ hydrocarbon fractions.