JPS643138A - Recovery of resorcinol - Google Patents
Recovery of resorcinolInfo
- Publication number
- JPS643138A JPS643138A JP15742387A JP15742387A JPS643138A JP S643138 A JPS643138 A JP S643138A JP 15742387 A JP15742387 A JP 15742387A JP 15742387 A JP15742387 A JP 15742387A JP S643138 A JPS643138 A JP S643138A
- Authority
- JP
- Japan
- Prior art keywords
- stage
- resorcinol
- liquid
- column
- aqueous phase
- 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.)
- Pending
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
PURPOSE: To recover high-purity resorcinol from aqueous phase in high yield, by carrying out oxidation and acid decomposition of m-diisopropylbenzene, introducing the resultant reaction mixture into a middle stage of an acetone-removing distillation column, extracting a liquid from a specific position between the middle stage and the column, bottom, separating the liquid into oil and aqueous phase and separating the objective resorcinol from the aqueous phase.
CONSTITUTION: m-Diisopropylbenzene is oxidized with 02, the obtained oxidation product containing m-diisopropylbenzene hydroperoxide is subjected to acid decomposition with an acid catalyst in the presence of a water-insoluble solvent and resorcinol is recovered from the acid decomposition mixture. In the above process, the acid decomposition mixture is supplied to a middle stage (stage A) of an acetone-removing distillation column and the liquid in the column is extracted from the extraction stage (stage B) between the stage A and the column bottom. The liquid at the stage B has an acetone content of ≤20wt.% and a water-concentration of ≥5wt.%. The liquid extracted from the column to external oil-water separation tank is separated into oil and water and resorcinol is recovered from the obtained aqueous phase. The oily phase left after the removal of resorcinol is used as a still residue, from which a valuable substance can be recovered by thermal decomposition.
COPYRIGHT: (C)1989,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15742387A JPS643138A (en) | 1987-06-24 | 1987-06-24 | Recovery of resorcinol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15742387A JPS643138A (en) | 1987-06-24 | 1987-06-24 | Recovery of resorcinol |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH013138A JPH013138A (en) | 1989-01-06 |
| JPS643138A true JPS643138A (en) | 1989-01-06 |
Family
ID=15649311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15742387A Pending JPS643138A (en) | 1987-06-24 | 1987-06-24 | Recovery of resorcinol |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS643138A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10151301A (en) * | 1996-11-26 | 1998-06-09 | Mitsui Chem Inc | Method for separating or purifying material from mixed solution by crystallization |
| JP2007106709A (en) * | 2005-10-14 | 2007-04-26 | Mitsui Chemicals Inc | Method for desalting from neutralized acid-cleaved product of alkylarylhydroperoxide |
-
1987
- 1987-06-24 JP JP15742387A patent/JPS643138A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10151301A (en) * | 1996-11-26 | 1998-06-09 | Mitsui Chem Inc | Method for separating or purifying material from mixed solution by crystallization |
| JP2007106709A (en) * | 2005-10-14 | 2007-04-26 | Mitsui Chemicals Inc | Method for desalting from neutralized acid-cleaved product of alkylarylhydroperoxide |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW364900B (en) | Process for producing highly pure terephthalic acid | |
| KR100616355B1 (en) | Process and plant for manufacturing an aqueous hydrogen peroxide solution, and aqueous hydrogen peroxide solution | |
| JP2609044B2 (en) | Extraction method of phenol from phenol tar | |
| EP0372685A2 (en) | Process for recovering phenol | |
| JPS5610131A (en) | Recovery of acetic acid | |
| US2856432A (en) | Aromatic dihydroperoxide production | |
| CA1194500A (en) | Phenol purification | |
| JPS643138A (en) | Recovery of resorcinol | |
| JPS6052733B2 (en) | Hydroquinone production method | |
| KR0122120B1 (en) | Recovery of hydrogen peroxide | |
| US5220103A (en) | Process for the preparation of a cumene feed for cumene oxidation | |
| US5120902A (en) | Process for the preparation of a cumene feed for cumene oxidation | |
| US4370205A (en) | Recovery of cumene from a mixture thereof with phenol and water | |
| JP4224877B2 (en) | Method for producing purified phenol | |
| JPH0334945A (en) | Removal of acidic impurities from feedstock containing tertiary butylperoxide | |
| US2750426A (en) | Manufacture of cumylphenol | |
| GB1054745A (en) | ||
| US5194067A (en) | Recovery of hydrogen peroxide | |
| US2779797A (en) | Separation of primary and tertiary cymene hydroperoxides | |
| US5439657A (en) | Molybdenum catalyst separation | |
| US3360570A (en) | Recovery of oxidation products | |
| US4413140A (en) | Liquid extraction of diacetoxybutane with halogenated paraffins | |
| SU584004A1 (en) | Method of separating caprolactam | |
| US4355190A (en) | Process for recovery of resorcinol from aqueous resorcinol solution containing hydroquinone | |
| JPS57197240A (en) | Recovering method of acetic acid |