JPS55165109A - Antifoaming method of amine solution - Google Patents

Antifoaming method of amine solution

Info

Publication number
JPS55165109A
JPS55165109A JP7374979A JP7374979A JPS55165109A JP S55165109 A JPS55165109 A JP S55165109A JP 7374979 A JP7374979 A JP 7374979A JP 7374979 A JP7374979 A JP 7374979A JP S55165109 A JPS55165109 A JP S55165109A
Authority
JP
Japan
Prior art keywords
amine solution
aqueous amine
antifoaming
letting
acidic gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP7374979A
Other languages
Japanese (ja)
Other versions
JPS6247044B2 (en
Inventor
Kazuo Oota
Masahiro Ichikawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eneos Corp
Original Assignee
Nippon Petroleum Refining Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Petroleum Refining Co Ltd filed Critical Nippon Petroleum Refining Co Ltd
Priority to JP7374979A priority Critical patent/JPS55165109A/en
Publication of JPS55165109A publication Critical patent/JPS55165109A/en
Publication of JPS6247044B2 publication Critical patent/JPS6247044B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/02—Foam dispersion or prevention
    • B01D19/04—Foam dispersion or prevention by addition of chemical substances
    • B01D19/0404—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance
    • B01D19/0409—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance compounds containing Si-atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)
  • Degasification And Air Bubble Elimination (AREA)

Abstract

PURPOSE:To suppress foaming by letting the specific amino silicone exist at the time of letting the acidic gas accompanying petroleum refining contact an aqueous amine solution and absorbing away H2S. CONSTITUTION:The acidic gas exhausted in various refining processes of pertoleums is sent into a contact absorption tower where it is continuously contacted with the aqueous amine solution containing about 10-30% of diethanolamine or diisopropanolamine, whereby H2S is absorbed away. If at this time the amino silicone obtained by substituting part of the R1-R8 of the silicone shown by formula with the amine groups shown by general formula -NR9R10(R9, R10 are H or residual hydrocarbon groups of C1-10) is added as an antifoaming agent at about 3-200ppm into the aqueous amine solution, foaming is considerably suppressed and cleaning efficiency accelerated. Further, if the aqueous amine solution is treated with active carbon before or after the addition of the antifoaming agent, the antifoaming efficiency becomes much higher.
JP7374979A 1979-06-12 1979-06-12 Antifoaming method of amine solution Granted JPS55165109A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7374979A JPS55165109A (en) 1979-06-12 1979-06-12 Antifoaming method of amine solution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7374979A JPS55165109A (en) 1979-06-12 1979-06-12 Antifoaming method of amine solution

Publications (2)

Publication Number Publication Date
JPS55165109A true JPS55165109A (en) 1980-12-23
JPS6247044B2 JPS6247044B2 (en) 1987-10-06

Family

ID=13527199

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7374979A Granted JPS55165109A (en) 1979-06-12 1979-06-12 Antifoaming method of amine solution

Country Status (1)

Country Link
JP (1) JPS55165109A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60139315A (en) * 1983-12-27 1985-07-24 Nippon Mining Co Ltd Removal of suspended substance in hydrogen sulfide recovery process
EP0674936A3 (en) * 1994-03-30 1996-02-07 Dow Corning A method for using aminofunctional silicon compounds for selective separation of gases.
WO2013028391A1 (en) * 2011-08-25 2013-02-28 General Electric Company Compositions for absorbing carbon dioxide, and related processes and systems

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60139315A (en) * 1983-12-27 1985-07-24 Nippon Mining Co Ltd Removal of suspended substance in hydrogen sulfide recovery process
EP0674936A3 (en) * 1994-03-30 1996-02-07 Dow Corning A method for using aminofunctional silicon compounds for selective separation of gases.
WO2013028391A1 (en) * 2011-08-25 2013-02-28 General Electric Company Compositions for absorbing carbon dioxide, and related processes and systems
CN103764258A (en) * 2011-08-25 2014-04-30 通用电气公司 Compositions for absorbing carbon dioxide and related methods and systems

Also Published As

Publication number Publication date
JPS6247044B2 (en) 1987-10-06

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