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Patent Searching and Data


Title:
STAIN PREVENTIVE AGENT AND METHOD FOR PREVENTING STAIN OF HEAT EXCHANGER AND HEATING FURNACE USED FOR PETROLEUM REFINING
Document Type and Number:
Japanese Patent JP2020070339
Kind Code:
A
Abstract:
To provide a technique that prevents corrosion from occurring in a heat exchanger and a heating furnace, and that prevents the stain of the heat exchanger and the heating furnace by dispersing a suspended substance such as asphaltene and sludge that cause the stain.SOLUTION: The stain preventive agent for preventing the stain of the heat exchangers and the heating furnaces used for the petroleum refining is characterized by comprising (A) a water-soluble anti-corrosive agent, and (B) an amino compound having a ratio (X/Y) of formula weight X of a hydrophobic group to formula weight Y of a hydrophilic group of 2 or more.SELECTED DRAWING: Figure 1

Inventors:
SEKIDO KOTA
Application Number:
JP2018204919A
Publication Date:
May 07, 2020
Filing Date:
October 31, 2018
Export Citation:
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Assignee:
HAKUTO KK
International Classes:
C10G75/04; C10G75/02
Foreign References:
CN106701194A2017-05-24
US4775458A1988-10-04
Attorney, Agent or Firm:
Kazuhiro Nomura
Aoyama Yo