Title:
A MULTIFUNCTIONAL ANTIFOULANT FOR COAL TO OLEFINS CAUSTIC TOWER ANTIFOULING
Document Type and Number:
WIPO Patent Application WO/2022/042278
Kind Code:
A1
Abstract:
Methods and compositions are described to prevent or reduce fouling associated with aldol polymerization associated with caustic towers in coal to olefins or methanol to olefins processes. A method is provided that includes adding an amine or its salt to the aqueous medium; and adding an alcohol to the aqueous medium. The aqueous medium includes an aldehyde or ketone and a base.
Inventors:
XIA FEI (CN)
Application Number:
PCT/CN2021/111500
Publication Date:
March 03, 2022
Filing Date:
August 09, 2021
Export Citation:
Assignee:
ECOLAB USA INC (US)
International Classes:
C07C7/20; C07C11/02
Foreign References:
| CN106467444A | 2017-03-01 | |||
| CN106467446A | 2017-03-01 | |||
| JPH1143449A | 1999-02-16 | |||
| CN101348410A | 2009-01-21 | |||
| CN101591214A | 2009-12-02 | |||
| CN103964993A | 2014-08-06 |
Attorney, Agent or Firm:
BEIJING PAT SF INTELLECTUAL PROPERTY AGENCY CO., LTD (CN)
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