IT1000113B - Procedimento per la separazione di resorcinolo ed idrochinone - Google Patents
Procedimento per la separazione di resorcinolo ed idrochinoneInfo
- Publication number
- IT1000113B IT1000113B IT53774/73A IT5377473A IT1000113B IT 1000113 B IT1000113 B IT 1000113B IT 53774/73 A IT53774/73 A IT 53774/73A IT 5377473 A IT5377473 A IT 5377473A IT 1000113 B IT1000113 B IT 1000113B
- Authority
- IT
- Italy
- Prior art keywords
- resorcinol
- hydroquinone
- separation
- procedure
- Prior art date
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
- 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
- C07C37/685—Processes comprising at least two steps in series
-
- 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
- C07C37/82—Purification; 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)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11744772A JPS5312500B2 (it) | 1972-11-21 | 1972-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1000113B true IT1000113B (it) | 1976-03-30 |
Family
ID=14711865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT53774/73A IT1000113B (it) | 1972-11-21 | 1973-11-21 | Procedimento per la separazione di resorcinolo ed idrochinone |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3929910A (it) |
| JP (1) | JPS5312500B2 (it) |
| CA (1) | CA1001662A (it) |
| DE (1) | DE2357844C2 (it) |
| FR (1) | FR2207110B1 (it) |
| GB (1) | GB1436779A (it) |
| IT (1) | IT1000113B (it) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4355190A (en) * | 1978-01-12 | 1982-10-19 | Mitsui Petrochemical Industries, Ltd. | Process for recovery of resorcinol from aqueous resorcinol solution containing hydroquinone |
| DE3037476A1 (de) * | 1979-10-09 | 1981-04-23 | Sumitomo Chemical Co., Ltd., Osaka | Verfahren zur trennung von resorcin und hydrochinon voneinander bzw. zur abtrennung und reinigung von hydrochinon aus verunreinigtem rohhydrochinon |
| JPS6050172B2 (ja) * | 1979-12-13 | 1985-11-07 | 三井化学株式会社 | レゾルシン水溶液の処理方法 |
| US4849549A (en) * | 1987-12-22 | 1989-07-18 | Indspec Chemical Corporation | Process for preparation of resorcinol |
| JPH10151301A (ja) * | 1996-11-26 | 1998-06-09 | Mitsui Chem Inc | 混合液から晶析により物質を分離乃至精製する方法 |
| FR2903100B1 (fr) * | 2006-06-29 | 2012-08-03 | Rhodia Recherches & Tech | Procede de preparation d'hydroquinone purifiee |
| CN112679320B (zh) * | 2019-10-18 | 2022-10-11 | 中国石油化工股份有限公司 | 制备间苯二酚和对苯二酚的方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1980901A (en) * | 1931-02-24 | 1934-11-13 | William Blythe & Company Ltd | Resolution of mixtures of phenols into their components |
| US1908817A (en) * | 1931-08-03 | 1933-05-16 | Dow Chemical Co | Process for isolating and purifying hydroquinone |
| US2433143A (en) * | 1944-11-16 | 1947-12-23 | Monsanto Chemicals | Process for recovering phenol from a phenol-resorcinol mixture |
| US2785205A (en) * | 1954-07-01 | 1957-03-12 | Hercules Powder Co Ltd | Recovery of phenols |
| US2862857A (en) * | 1954-07-01 | 1958-12-02 | Hercules Powder Co Ltd | Azeotropic distillation of monohydric and dihydric phenols |
-
1972
- 1972-11-21 JP JP11744772A patent/JPS5312500B2/ja not_active Expired
-
1973
- 1973-11-14 CA CA185,806A patent/CA1001662A/en not_active Expired
- 1973-11-16 GB GB5334473A patent/GB1436779A/en not_active Expired
- 1973-11-19 US US417191A patent/US3929910A/en not_active Expired - Lifetime
- 1973-11-20 FR FR7341282A patent/FR2207110B1/fr not_active Expired
- 1973-11-20 DE DE2357844A patent/DE2357844C2/de not_active Expired
- 1973-11-21 IT IT53774/73A patent/IT1000113B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| DE2357844C2 (de) | 1983-11-10 |
| FR2207110A1 (it) | 1974-06-14 |
| JPS5312500B2 (it) | 1978-05-01 |
| JPS4972221A (it) | 1974-07-12 |
| GB1436779A (en) | 1976-05-26 |
| DE2357844A1 (de) | 1974-06-20 |
| FR2207110B1 (it) | 1977-10-28 |
| CA1001662A (en) | 1976-12-14 |
| US3929910A (en) | 1975-12-30 |
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