SG70104A1 - Improved method to defoul bisphenol-phenol adduct fouled crystallizer coolers - Google Patents

Improved method to defoul bisphenol-phenol adduct fouled crystallizer coolers

Info

Publication number
SG70104A1
SG70104A1 SG1998002706A SG1998002706A SG70104A1 SG 70104 A1 SG70104 A1 SG 70104A1 SG 1998002706 A SG1998002706 A SG 1998002706A SG 1998002706 A SG1998002706 A SG 1998002706A SG 70104 A1 SG70104 A1 SG 70104A1
Authority
SG
Singapore
Prior art keywords
defoul
fouled
crystallizer
coolers
bisphenol
Prior art date
Application number
SG1998002706A
Other languages
English (en)
Inventor
Michael John Cipullo
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of SG70104A1 publication Critical patent/SG70104A1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/84—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by crystallisation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C39/00—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
    • C07C39/12—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring polycyclic with no unsaturation outside the aromatic rings
    • C07C39/15—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring polycyclic with no unsaturation outside the aromatic rings with all hydroxy groups on non-condensed rings, e.g. phenylphenol
    • C07C39/16—Bis-(hydroxyphenyl) alkanes; Tris-(hydroxyphenyl)alkanes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Detergent Compositions (AREA)
SG1998002706A 1997-08-08 1998-07-28 Improved method to defoul bisphenol-phenol adduct fouled crystallizer coolers SG70104A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/909,010 US5856589A (en) 1997-08-08 1997-08-08 Method to defoul bisphenol-phenol adduct fouled crystallizer coolers

Publications (1)

Publication Number Publication Date
SG70104A1 true SG70104A1 (en) 2000-01-25

Family

ID=25426508

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1998002706A SG70104A1 (en) 1997-08-08 1998-07-28 Improved method to defoul bisphenol-phenol adduct fouled crystallizer coolers

Country Status (5)

Country Link
US (1) US5856589A (ja)
EP (1) EP0908440A3 (ja)
JP (1) JPH11116519A (ja)
CN (1) CN1113838C (ja)
SG (1) SG70104A1 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6245951B1 (en) * 1999-10-12 2001-06-12 General Electric Company Process for cleaning bisphenol pre-reactor
US6203612B1 (en) 2000-03-30 2001-03-20 General Electric Company Process for cleaning bisphenol crystallizer
US6300528B1 (en) * 2000-04-03 2001-10-09 General Electric Company Method for cleaning reactors used for acid-catalyzed production of bisphenols
DE102007021935A1 (de) 2007-05-10 2008-11-20 Bayer Materialscience Ag Verfahren und Herstellung von Bisphenol A mit verlängerter Standzeit in der Kristallisation
KR101516848B1 (ko) * 2011-04-22 2015-04-30 주식회사 엘지화학 침착물 제거를 수반하는 비스페놀 에이의 제조방법 및 제조장치
KR102039127B1 (ko) 2016-09-21 2019-10-31 주식회사 엘지화학 비스페놀 a의 제조 방법
KR102338539B1 (ko) * 2018-02-23 2021-12-14 주식회사 엘지화학 비스페놀 a의 제조 방법

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4209646A (en) * 1974-10-31 1980-06-24 Rhone-Poulenc Industries Process for crystallizing an adduct of 2,2-di(4-hydroxyphenyl) propane and phenol
US4327229A (en) * 1981-01-19 1982-04-27 General Electric Company Recovery of bisphenol-A values
US4950806A (en) * 1988-02-22 1990-08-21 Mitsui Toatsu Chemicals, Inc. Process for crystallizing adduct of bisphenol A with phenol
US5243093A (en) * 1990-09-07 1993-09-07 General Electric Company Process and composition
JP3419021B2 (ja) * 1993-04-21 2003-06-23 出光石油化学株式会社 ビスフェノールａのフェノール付加物の晶析方法

Also Published As

Publication number Publication date
US5856589A (en) 1999-01-05
CN1113838C (zh) 2003-07-09
EP0908440A2 (en) 1999-04-14
CN1211562A (zh) 1999-03-24
JPH11116519A (ja) 1999-04-27
EP0908440A3 (en) 1999-04-28

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