Title:
METHOD FOR PREVENTING FOULING OF HEAT EXCHANGER IN PETROLEUM PROCESS
Document Type and Number:
WIPO Patent Application WO/2018/207708
Kind Code:
A1
Abstract:
Provided is a method for preventing fouling of a heat exchanger in a petroleum process.
The method for preventing fouling of a heat exchanger in a petroleum process comprises adding a phosphite ester compound and a dispersant to a process fluid passing through the heat exchanger.
Inventors:
NISHIKOHRI HIROKI (JP)
KOHTA HIROKI (JP)
KOHTA HIROKI (JP)
Application Number:
PCT/JP2018/017550
Publication Date:
November 15, 2018
Filing Date:
May 02, 2018
Export Citation:
Assignee:
KATAYAMA CHEMICAL WORKS CO (JP)
NALCO JAPAN G K (JP)
NALCO JAPAN G K (JP)
International Classes:
C10G75/04; C23F11/167
Foreign References:
| JPS466503B1 | ||||
| JPS63221185A | 1988-09-14 | |||
| US4752374A | 1988-06-21 | |||
| JPH0718265A | 1995-01-20 | |||
| JP2001502389A | 2001-02-20 |
Attorney, Agent or Firm:
IKEUCHI SATO & PARTNER PATENT ATTORNEYS (JP)
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