CN101591005A - The treatment process of attached product sulphur in the o,o-diethylthiophosphoryl chloride production process - Google Patents
The treatment process of attached product sulphur in the o,o-diethylthiophosphoryl chloride production process Download PDFInfo
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- CN101591005A CN101591005A CNA2008100478959A CN200810047895A CN101591005A CN 101591005 A CN101591005 A CN 101591005A CN A2008100478959 A CNA2008100478959 A CN A2008100478959A CN 200810047895 A CN200810047895 A CN 200810047895A CN 101591005 A CN101591005 A CN 101591005A
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- China
- Prior art keywords
- sulphur
- chloride production
- production process
- attached product
- treatment process
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Abstract
The present invention is the treatment process of attached product sulphur in the o,o-diethylthiophosphoryl chloride production process, this method is that the sulphur that earlier washing step is produced enters the sulphur processing, add liquid caustic soda, catalyzer, emulsifying agent under certain temperature condition through 3 hours backflow, remove the organic impurities that comprises in the sulphur, promptly obtain exsiccant content and be 99.5% solia particle industrial goods sulphur; The sulphur foreign matter content of gained of the present invention is few, and the quality height meets the requirement of national energy-saving and emission-reduction, consumption reduction.
Description
(1) technical field:
The invention belongs to field of fine chemical, specifically is the treatment process of attached product sulphur in the o,o-diethylthiophosphoryl chloride production process.
(2) background technology:
At present, go up producing diethylaluminum monochloride both at home and abroad, generally to adopt thiophosphoric anhydride be the operational path of raw material, this technology the 3rd step side generation diethylaluminum monochloride first product and thick sulphur, the muriate first product through separate finished product, sulphur is because of containing complicated composition, impurity is many.Comprising other inorganicss such as organism, salt alkali such as diethylaluminum monochloride can't utilize; the storing place gaseous volatilization is serious; the smell is awful; greatly influenced environment; be a great problem in the environmental protection, each big manufacturer is processing sulphur and consumes a large amount of manpowers, financial resources, and effect is bad; being subjected to the complaint of surrounding resident and the punishment of environmental protection department, is the important factor of restriction diethylaluminum monochloride industry development growth.According to from the industry acquired information, at present domestic also do not have a tame manufacturer to solve this difficult problem with the set technique technical equipment.
(3) summary of the invention:
Purpose of the present invention just provides the treatment process of attached product sulphur in a kind of o,o-diethylthiophosphoryl chloride production process.
The technology of present method is as follows: the sulphur that washing step is produced enters the sulphur processing, add liquid caustic soda, catalyzer, emulsifying agent under certain temperature condition through 3 hours backflow, remove the organic impurities that comprises in the sulphur, as washing out inorganic salts impurity, to obtain exsiccant content be 99.5% solia particle industrial goods sulphur.
Present technique is compared with old technology, gained sulphur sulphur many, of poor quality by impurity, that can't handle and use are converted into good, the recycling industrial raw materials of quality, become industrial starting material in short supply by the environmental protection treatment hang-up, meet national energy-saving and emission-reduction, energy-saving and cost-reducing energy environment protection policy.
(4) embodiment:
Utilize potential difference behind the first product process alkaline hydrolysis still with muriate production, directly put into and handle still (having speed governing stirs), system lock utilizes the tail gas absorption system to take tail gas in the treating processes away, separates the first product material then in handling still, add tensio-active agent again, the starting slow speed of revolution is stirred and is begun to heat up, and the gas of generation is through condenser, receiving tank, surge tank inserts vacuum pump, the vacuum pump withdrawing gas gas processing system that truncates.Temperature is controlled at 110 ℃-120 ℃, vacuum tightness remains on-0.09Mpa about, distill, continue to be cooled to about 60 ℃ after 3 hours, add solvent, remove impurity, high-speed stirring half an hour, blowing is to the suction filtration device, and filtrate is applied mechanically, filtration cakes torrefaction pack by-product.Filtrate is static layering in receiving tank, reclaims chloride product, and a small amount of waste liquid goes to company wastewater treatment center.
Claims (1)
1. the treatment process of attached product sulphur in the o,o-diethylthiophosphoryl chloride production process, it is characterized in that: the sulphur that washing step is produced enters the sulphur processing, add liquid caustic soda, catalyzer, emulsifying agent under certain temperature condition through 3 hours backflow, remove the organic impurities that comprises in the sulphur, promptly obtain exsiccant content and be 99.5% solia particle industrial goods sulphur.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100478959A CN101591005A (en) | 2008-05-31 | 2008-05-31 | The treatment process of attached product sulphur in the o,o-diethylthiophosphoryl chloride production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100478959A CN101591005A (en) | 2008-05-31 | 2008-05-31 | The treatment process of attached product sulphur in the o,o-diethylthiophosphoryl chloride production process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101591005A true CN101591005A (en) | 2009-12-02 |
Family
ID=41405919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100478959A Pending CN101591005A (en) | 2008-05-31 | 2008-05-31 | The treatment process of attached product sulphur in the o,o-diethylthiophosphoryl chloride production process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101591005A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103910337A (en) * | 2014-03-26 | 2014-07-09 | 湖北犇星化工有限责任公司 | Treatment method for sulfur as byproduct generated in ethyl chloride production process |
| CN105621370A (en) * | 2016-02-29 | 2016-06-01 | 湖北仙隆化工股份有限公司 | Technology and equipment for recycling sulfur in ethyl chloride |
-
2008
- 2008-05-31 CN CNA2008100478959A patent/CN101591005A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103910337A (en) * | 2014-03-26 | 2014-07-09 | 湖北犇星化工有限责任公司 | Treatment method for sulfur as byproduct generated in ethyl chloride production process |
| CN103910337B (en) * | 2014-03-26 | 2015-11-18 | 湖北犇星化工有限责任公司 | The treatment process of by product sulphur in a kind of diethylaluminum monochloride production process |
| CN105621370A (en) * | 2016-02-29 | 2016-06-01 | 湖北仙隆化工股份有限公司 | Technology and equipment for recycling sulfur in ethyl chloride |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091202 |