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. 22, 2003
Filed:
Aug. 31, 2001
Applicant:
Inventors:
Eric L. Mainz, Goddard, KS (US);
Richard L. Wilson, Mulvane, KS (US);
Assignee:
Vulcan Chemicals, Birmingham, AL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 1/738 ;
U.S. Cl.
CPC ...
C07C 1/738 ;
Abstract
Provided is a method and system for separating heavy ends from a halogenated alkane in a waste stream. The method includes: (a) removing a bottom fraction containing heavy ends from a catalyst recovery unit and conveying the bottom fraction to a vessel; (b) introducing steam into the bottom fraction containing heavy ends; (c) removing a halogenated alkane vapor and a water vapor from the waste treatment unit; (d) condensing the halogenated alkane and water vapors; and (e) separating the halogenated alkane phase and water phase from the heavy ends.