GB410331A - Manufacture of phenol and apparatus therefor - Google Patents
Manufacture of phenol and apparatus thereforInfo
- Publication number
- GB410331A GB410331A GB17572/33A GB1757233A GB410331A GB 410331 A GB410331 A GB 410331A GB 17572/33 A GB17572/33 A GB 17572/33A GB 1757233 A GB1757233 A GB 1757233A GB 410331 A GB410331 A GB 410331A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tower
- chlorbenzene
- benzene
- hydrogen chloride
- phenol
- 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
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
- C07C37/01—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis
- C07C37/02—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis by substitution of halogen
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
In the manufacture of phenol by reaction of benzene with hydrogen chloride and oxygen and hydrolysis of the chlorbenzene with steam in the vapour phase, the hydrogen chloride from the second reaction is recovered by the process described in Specification 387,832, for example, by treatment of the reaction products with water, and is used, after extracting with benzene, for producing more chlorbenzene. A fan 1 supplies a mixture of chlorbenzene and water vapour at 100 DEG C. to a heat recuperator 2 where it is heated to 400 DEG C. by vapours leaving the contact furnace 4, serving for the hydrolysis, at about 500 DEG C. After heating to 500 DEG C. in a preheater 3 the mixture passes to the furnace 4, and the exit vapours are cooled to 200 DEG C. and pass to a tower 5 where the hydrogen chloride is washed out with water and chlorbenzene, the circulating vapours being enriched in these constituents. They are then led to a tower 6, where phenol is removed by washing with hot water, and are returned to the cycle, a small quantity, however, passing to a condenser 7. Hydrogen chloride leaving tower 5 is led to a washing tower 8 and thence to a vaporizer 9. The phenol solution from tower 6 passes to a tower 10 and is pumped back. Towers 8 and 10 are supplied with benzene from tank 11 <PICT:0410331/IV/1> which extracts phenol, the solution passing to a still 12 where the benzene is distilled, preheated at 3 and, mixed with hydrogen chloride and air, passes to a contact furnace 13. The chlorbenzene produced is recovered in a con-densing column 14 and returned to tower 5, unchanged benzene being condensed at 15 and fed to tank 11. Specification 362,817 also is referred to.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE410331X | 1932-06-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB410331A true GB410331A (en) | 1934-05-17 |
Family
ID=6424347
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB17572/33A Expired GB410331A (en) | 1932-06-20 | 1933-06-20 | Manufacture of phenol and apparatus therefor |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB410331A (en) |
-
1933
- 1933-06-20 GB GB17572/33A patent/GB410331A/en not_active Expired
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