GB988155A - Improvements in or relating to the preparation of mercaptans - Google Patents
Improvements in or relating to the preparation of mercaptansInfo
- Publication number
- GB988155A GB988155A GB1046562A GB1046562A GB988155A GB 988155 A GB988155 A GB 988155A GB 1046562 A GB1046562 A GB 1046562A GB 1046562 A GB1046562 A GB 1046562A GB 988155 A GB988155 A GB 988155A
- Authority
- GB
- United Kingdom
- Prior art keywords
- catalyst
- hydrogen sulphide
- liquid
- reaction
- olefin
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J10/00—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C321/00—Thiols, sulfides, hydropolysulfides or polysulfides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
- B01J2219/00083—Coils
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00171—Controlling or regulating processes controlling the density
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention comprises a process for producing an alkyl mercaptan by dissolving a Friedel-Crafts type catalyst in a liquid alkyl mercaptan, admixing the solution thus obtained with an olefin, and contacting the resultant mixture with hydrogen sulphide at a temperature in the range -30 DEG C. to + 10 DEG C. at which the mixture remains liquid. Numerous olefins, including polymerized olefins, are specified. Catalysts specified are anhydrous aluminium chloride, boron trifluoride with hydrogen fluoride or phosphoric acid, stannic chloride with phosphoric acid, and zinc chloride. The catalyst solvent is preferably the desired product. Reaction is preferably effected at a pressure not exceeding 2 kg./cm.2 The process may be carried out in the apparatus shown in the Figure, in which the reaction tower has upper section 2, having gas-liquid contact packing, and lower section 4. The olefinic reactant is introduced from tank 1, the catalyst solution <PICT:0988155/C2/1> from tank 3, and the hydrogen sulphide through pipe 16; in this manner the olefin may be saturated with hydrogen sulphide prior to contact with the catalyst. The reaction product is removed from pot 5 to purification vessels 7, 9, 10 and 12.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR856094A FR1292246A (en) | 1961-03-20 | 1961-03-20 | Preparation of mercaptans |
| FR890096A FR81262E (en) | 1962-03-06 | 1962-03-06 | Preparation of mercaptans |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB988155A true GB988155A (en) | 1965-04-07 |
Family
ID=26189738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1046562A Expired GB988155A (en) | 1961-03-20 | 1962-03-19 | Improvements in or relating to the preparation of mercaptans |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB988155A (en) |
-
1962
- 1962-03-19 GB GB1046562A patent/GB988155A/en not_active Expired
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