DE69317081D1 - Verfahren zur Entfernung von Teer in einem Phenolherstellungsverfahren - Google Patents
Verfahren zur Entfernung von Teer in einem PhenolherstellungsverfahrenInfo
- 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
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
- C07C37/72—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by liquid-liquid treatment
-
- 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
- C07C37/50—Preparation 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
- C07C37/56—Preparation 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)
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)
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)
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 |
-
1992
- 1992-08-20 NL NL9201481A patent/NL9201481A/nl not_active Application Discontinuation
-
1993
- 1993-08-16 AT AT93202391T patent/ATE163398T1/de not_active IP Right Cessation
- 1993-08-16 EP EP93202391A patent/EP0583835B1/de not_active Expired - Lifetime
- 1993-08-16 DE DE69317081T patent/DE69317081T2/de not_active Expired - Fee Related
- 1993-08-19 JP JP5205062A patent/JPH06157382A/ja active Pending
- 1993-08-20 US US08/109,359 patent/US5364978A/en not_active Expired - Fee Related
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 |