JPS5653629A - Method for separation and purification of hydroquinone - Google Patents
Method for separation and purification of hydroquinoneInfo
- Publication number
- JPS5653629A JPS5653629A JP13036479A JP13036479A JPS5653629A JP S5653629 A JPS5653629 A JP S5653629A JP 13036479 A JP13036479 A JP 13036479A JP 13036479 A JP13036479 A JP 13036479A JP S5653629 A JPS5653629 A JP S5653629A
- Authority
- JP
- Japan
- Prior art keywords
- hydroquinone
- steam
- crude
- vapor
- aqueous
- 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
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
- C07C37/74—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13036479A JPS5653629A (en) | 1979-10-09 | 1979-10-09 | Method for separation and purification of hydroquinone |
DE19803037476 DE3037476A1 (de) | 1979-10-09 | 1980-10-03 | Verfahren zur trennung von resorcin und hydrochinon voneinander bzw. zur abtrennung und reinigung von hydrochinon aus verunreinigtem rohhydrochinon |
US06/193,588 US4308110A (en) | 1979-10-09 | 1980-10-03 | Process for separation and purification of dihydric phenols |
CA361,613A CA1130818A (en) | 1979-10-09 | 1980-10-06 | Process for separation and purification of dihydric phenols |
GB8032273A GB2061926B (en) | 1979-10-09 | 1980-10-07 | Process for separation and purification of dihydic phenols |
FR8021516A FR2467185A1 (fr) | 1979-10-09 | 1980-10-08 | Procedes de separation et de purification du resorcinol et de l'hydroquinone |
IT49849/80A IT1143996B (it) | 1979-10-09 | 1980-10-08 | Procedimento per la separazione e la purificazione di fenoli bivalenti |
GB8316963A GB2131015B (en) | 1979-10-09 | 1983-06-22 | Purification of hydroquinone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13036479A JPS5653629A (en) | 1979-10-09 | 1979-10-09 | Method for separation and purification of hydroquinone |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5653629A true JPS5653629A (en) | 1981-05-13 |
JPS6249252B2 JPS6249252B2 (enrdf_load_html_response) | 1987-10-19 |
Family
ID=15032601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13036479A Granted JPS5653629A (en) | 1979-10-09 | 1979-10-09 | Method for separation and purification of hydroquinone |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS5653629A (enrdf_load_html_response) |
GB (1) | GB2131015B (enrdf_load_html_response) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003512295A (ja) * | 1999-01-25 | 2003-04-02 | ロディア・シミ | フェノール及びフェノール誘導体産業におけるジフェノールの分離精製のための方法及び装置 |
JP2020523284A (ja) * | 2017-06-13 | 2020-08-06 | ローディア オペレーションズ | ヒドロキノン及びカテコールを含む組成物、これらの組成物を作製するための方法 |
-
1979
- 1979-10-09 JP JP13036479A patent/JPS5653629A/ja active Granted
-
1983
- 1983-06-22 GB GB8316963A patent/GB2131015B/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003512295A (ja) * | 1999-01-25 | 2003-04-02 | ロディア・シミ | フェノール及びフェノール誘導体産業におけるジフェノールの分離精製のための方法及び装置 |
JP2020523284A (ja) * | 2017-06-13 | 2020-08-06 | ローディア オペレーションズ | ヒドロキノン及びカテコールを含む組成物、これらの組成物を作製するための方法 |
Also Published As
Publication number | Publication date |
---|---|
GB2131015A (en) | 1984-06-13 |
JPS6249252B2 (enrdf_load_html_response) | 1987-10-19 |
GB2131015B (en) | 1985-01-09 |
GB8316963D0 (en) | 1983-07-27 |
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