DE69317081D1 - Verfahren zur Entfernung von Teer in einem Phenolherstellungsverfahren - Google Patents

Verfahren zur Entfernung von Teer in einem Phenolherstellungsverfahren

Info

Publication number
DE69317081D1
DE69317081D1 DE69317081T DE69317081T DE69317081D1 DE 69317081 D1 DE69317081 D1 DE 69317081D1 DE 69317081 T DE69317081 T DE 69317081T DE 69317081 T DE69317081 T DE 69317081T DE 69317081 D1 DE69317081 D1 DE 69317081D1
Authority
DE
Germany
Prior art keywords
auxiliary liquid
extraction
reactor
reaction mixture
water
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.)
Expired - Fee Related
Application number
DE69317081T
Other languages
English (en)
Other versions
DE69317081T2 (de
Inventor
Johannes Augustinus Kroon
Wim Buijs
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.)
Koninklijke DSM NV
Original Assignee
DSM NV
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 DSM NV filed Critical DSM NV
Publication of DE69317081D1 publication Critical patent/DE69317081D1/de
Application granted granted Critical
Publication of DE69317081T2 publication Critical patent/DE69317081T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C07C37/72Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by liquid-liquid treatment
    • 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
    • C07C37/50Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions decreasing the number of carbon atoms
    • C07C37/56Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions decreasing the number of carbon atoms by replacing a carboxyl or aldehyde group by a hydroxy group

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69317081T 1992-08-20 1993-08-16 Verfahren zur Entfernung von Teer in einem Phenolherstellungsverfahren Expired - Fee Related DE69317081T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL9201481A NL9201481A (nl) 1992-08-20 1992-08-20 Werkwijze voor de verwijdering van teer uit een fenolbereidingsproces.

Publications (2)

Publication Number Publication Date
DE69317081D1 true DE69317081D1 (de) 1998-04-02
DE69317081T2 DE69317081T2 (de) 1998-10-29

Family

ID=19861192

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69317081T Expired - Fee Related DE69317081T2 (de) 1992-08-20 1993-08-16 Verfahren zur Entfernung von Teer in einem Phenolherstellungsverfahren

Country Status (6)

Country Link
US (1) US5364978A (de)
EP (1) EP0583835B1 (de)
JP (1) JPH06157382A (de)
AT (1) ATE163398T1 (de)
DE (1) DE69317081T2 (de)
NL (1) NL9201481A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019072732A1 (en) * 2017-10-09 2019-04-18 Dsm Ip Assets B.V. PROCESS FOR ENZYMATIC HYDROLYSIS OF LIGNOCELLULOSIC MATERIAL AND FERMENTATION OF SUGARS

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3130235A (en) * 1960-11-10 1964-04-21 Dow Chemical Co Method of removing tar from phenol reactor contents
US3349134A (en) * 1962-06-04 1967-10-24 Stamicarbon Tar removal in phenol process
NL7000684A (de) * 1970-01-17 1971-07-20
JPS5929626A (ja) * 1982-08-12 1984-02-16 Mitsubishi Chem Ind Ltd フェノ−ル類製造用触媒有効成分の回収方法

Also Published As

Publication number Publication date
ATE163398T1 (de) 1998-03-15
JPH06157382A (ja) 1994-06-03
DE69317081T2 (de) 1998-10-29
EP0583835B1 (de) 1998-02-25
EP0583835A1 (de) 1994-02-23
US5364978A (en) 1994-11-15
NL9201481A (nl) 1994-03-16

Similar Documents

Publication Publication Date Title
US2737480A (en) Recovery of acetone and phenol from cumene hydroperoxide decomposition product
JPH01156937A (ja) ビスフェノールaの収率および純度を最大にする方法
MX165480B (es) Procedimiento para la regneracion de soluciones de catalizador de carbonilacion y procedimiento para la carbonizacion de matanol a acido acetico
DE3868360D1 (de) Verfahren zur herstellung von methacrylsaeure.
ATE47991T1 (de) Verfahren zur herstellung von aldehyden.
JPS60191021A (ja) ウラン回収方法
DE69317081T2 (de) Verfahren zur Entfernung von Teer in einem Phenolherstellungsverfahren
JPS5498718A (en) Recovery of acrylic acid
JP2752602B2 (ja) トリメリット酸製造用酸化触媒の分離方法
JPH04308548A (ja) カルボン酸の精製方法
US4098838A (en) Process for obtaining sulfur free pure naphthalene from bituminous coal tar and thionaphthene as a by-product
US5220103A (en) Process for the preparation of a cumene feed for cumene oxidation
JPS5732246A (en) Recovery of acetic acid
ATE111077T1 (de) Verfahren zur reinigung von paraffinsulfonsäuren.
GB1393725A (en) Process for treating waste waters
JPH07112992B2 (ja) フェノールの精製方法
US3927124A (en) Process for the neutralization of alkyl aromatic hydroperoxide rearrangement reaction products
JP3089780B2 (ja) フェノール及びメチルエチルケトンの製造方法
SK180899A3 (en) Process for the removal of the organic and/or inorganic acids from splitting products
ATE67477T1 (de) Extraktionsverfahren zur abtrennung einer carbonsaeure aus wasserhaltiger loesung solcher saeure.
US1210792A (en) Method of purifying acetic acid.
JP2000086540A (ja) 有機相からの有機酸及び/又は無機酸の除去法
ATE9687T1 (de) Verfahren zur gewinnung von n-tert-alkylaminen und ameisensaeureestern.
SU737502A1 (ru) Способ отработанного травильного раствора
Federgreen et al. Methylstyrene—A Case Study in Spent Acid Catalyst Treatment

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee