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:
Nov. 14, 2017
Filed:
Mar. 24, 2017
Uop Llc, Des Plaines, IL (US);
Robert J. Schmidt, Barrington, IL (US);
Charlotte Y. Fang, Houston, TX (US);
Russell C. Schulz, Glen Ellyn, IL (US);
Xin X. Zhu, Long Grove, IL (US);
Scott R. Keenan, Marlton, NJ (US);
Chad A. Williams, Arlington Heights, IL (US);
Heather D. Tsihlis, Buffalo Grove, IL (US);
Jose L. Miramontes, Madrid, ES;
Robert E. Tsai, Arlington Heights, IL (US);
UOP LLC, Des Plaines, IL (US);
Abstract
This present disclosure relates to processes and apparatuses for use of a single dividing wall distillation column for phenol fractionation. More specifically, the present disclosure relates to processes and apparatuses for phenol fractionation by combining crude acetone column and cumene-AMS column into a single dividing wall distillation column. The proper allocation of steam or water injection, chemical treatment reactor and internal liquid phase separator, the positioning of the side draw enables high yield of acetone and phenol.