DE2642596A1 - Verfahren zur entfernung von farbkoerpern aus einem rueckfuehrungsstrom eines 4,4'-bisphenol-a-verfahrens - Google Patents

Verfahren zur entfernung von farbkoerpern aus einem rueckfuehrungsstrom eines 4,4'-bisphenol-a-verfahrens

Info

Publication number
DE2642596A1
DE2642596A1 DE19762642596 DE2642596A DE2642596A1 DE 2642596 A1 DE2642596 A1 DE 2642596A1 DE 19762642596 DE19762642596 DE 19762642596 DE 2642596 A DE2642596 A DE 2642596A DE 2642596 A1 DE2642596 A1 DE 2642596A1
Authority
DE
Germany
Prior art keywords
phenol
mother liquor
bisphenol
water
recycle stream
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.)
Ceased
Application number
DE19762642596
Other languages
German (de)
English (en)
Inventor
Frederick Miller Konrad
Stephen Howard Mason
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.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of DE2642596A1 publication Critical patent/DE2642596A1/de
Ceased legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/82Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by solid-liquid treatment; by chemisorption

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE19762642596 1975-09-23 1976-09-22 Verfahren zur entfernung von farbkoerpern aus einem rueckfuehrungsstrom eines 4,4'-bisphenol-a-verfahrens Ceased DE2642596A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US61602675A 1975-09-23 1975-09-23
US69672676A 1976-06-16 1976-06-16

Publications (1)

Publication Number Publication Date
DE2642596A1 true DE2642596A1 (de) 1977-04-07

Family

ID=27087657

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762642596 Ceased DE2642596A1 (de) 1975-09-23 1976-09-22 Verfahren zur entfernung von farbkoerpern aus einem rueckfuehrungsstrom eines 4,4'-bisphenol-a-verfahrens

Country Status (6)

Country Link
JP (1) JPS5242861A (enrdf_load_stackoverflow)
DE (1) DE2642596A1 (enrdf_load_stackoverflow)
FR (1) FR2325627A1 (enrdf_load_stackoverflow)
GB (1) GB1565667A (enrdf_load_stackoverflow)
IT (1) IT1071481B (enrdf_load_stackoverflow)
NL (1) NL7610522A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0332203A1 (en) * 1988-03-11 1989-09-13 MITSUI TOATSU CHEMICALS, Inc. Process for preparing high-purity bisphenol A
WO2002085828A1 (en) * 2001-04-24 2002-10-31 General Electric Company Regeneration of catalysts used in the manufacture of bisphenols
WO2010004371A1 (en) * 2008-07-09 2010-01-14 Sabic Innovative Plastics Ip B.V. Process for producing bisphenol-a

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4051079A (en) * 1976-06-22 1977-09-27 Union Carbide Corporation Regeneration of acidic cation exchange resin using acidified phenol-water mixture
DE2860850D1 (en) * 1977-11-09 1981-10-22 Shell Int Research Preparation of bisphenols
US4636393A (en) * 1984-11-28 1987-01-13 Campbell Soup Company Method of processing meat for inclusion in high acid type foods and product thereof
JPH01211544A (ja) * 1988-02-19 1989-08-24 Mitsui Toatsu Chem Inc ビスフェノールaの製造方法
JPH0365408U (enrdf_load_stackoverflow) * 1989-10-30 1991-06-26
WO2001040156A1 (fr) * 1999-12-03 2001-06-07 Mitsui Chemicals, Inc. Bisphenol a haute qualite et procede de production correspondant
RU2627266C2 (ru) * 2012-06-28 2017-08-04 Идемицу Козан Ко., Лтд. Способ получения бисфенола
US11312822B2 (en) 2017-01-17 2022-04-26 Sabic Global Technologies B.V. Reduced color polycarbonate compositions, methods of manufacture, and articles thereof
CN112752786B (zh) 2018-12-05 2023-06-09 Sabic环球技术有限责任公司 氧化稳定性改进的聚碳酸酯组合物和其制备方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2222607A1 (de) * 1972-05-09 1973-11-22 Rheinstahl Ag Ringwalzwerk

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0332203A1 (en) * 1988-03-11 1989-09-13 MITSUI TOATSU CHEMICALS, Inc. Process for preparing high-purity bisphenol A
WO2002085828A1 (en) * 2001-04-24 2002-10-31 General Electric Company Regeneration of catalysts used in the manufacture of bisphenols
US6680270B2 (en) 2001-04-24 2004-01-20 General Electric Company Regeneration of catalysts used in the manufacture of bisphenols
WO2010004371A1 (en) * 2008-07-09 2010-01-14 Sabic Innovative Plastics Ip B.V. Process for producing bisphenol-a
US7696388B2 (en) 2008-07-09 2010-04-13 Sabic Innovative Plastics Ip B.V. Process for producing bisphenol-A

Also Published As

Publication number Publication date
JPS5534779B2 (enrdf_load_stackoverflow) 1980-09-09
GB1565667A (en) 1980-04-23
NL7610522A (nl) 1977-03-25
IT1071481B (it) 1985-04-10
FR2325627A1 (fr) 1977-04-22
JPS5242861A (en) 1977-04-04

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: UNION CARBIDE CORP., 06817 DANBURY, CONN., US

8131 Rejection