CN106744709A - Using the method for the accessory substance hydrogen sulfide high-purity hydrogen sulfide of natural gas act production carbon disulfide - Google Patents
Using the method for the accessory substance hydrogen sulfide high-purity hydrogen sulfide of natural gas act production carbon disulfide Download PDFInfo
- Publication number
- CN106744709A CN106744709A CN201710053238.4A CN201710053238A CN106744709A CN 106744709 A CN106744709 A CN 106744709A CN 201710053238 A CN201710053238 A CN 201710053238A CN 106744709 A CN106744709 A CN 106744709A
- Authority
- CN
- China
- Prior art keywords
- hydrogen sulfide
- purity
- surge tank
- white oil
- pressure
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/16—Hydrogen sulfides
- C01B17/168—Purification
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
Abstract
The invention provides a kind of method of the accessory substance hydrogen sulfide high-purity hydrogen sulfide of utilization natural gas act production carbon disulfide, with low cost, process is simple, product purity is high.The present invention comprises the following steps：1) sorting：Natural gas sulfur method production carbon disulfide byproducts hydrogen sulfide is chosen, the purity of hydrogen sulfide is 95 97%, and pressure is 0.2 0.8MPa；2) hydrogen sulfide absorption：Hydrogen sulfide is inversely contacted with white oil in absorption tower, and hydrogen sulfide is 100 450: 1 with white oil volume ratio, and absorption tower temperature is 15 45 DEG C, and pressure is 0.2 0.8MPa, makes the purity of hydrogen sulfide be 98 99%, and pressure is 0.2 0.8MPa；3) white oil is recycled：The white oil for absorbing hydrogen sulfide enters Analytic Tower, and Analytic Tower temperature is 90 120 DEG C, and the white oil after separation is recycled into solvent surge tank, and solvent surge tank temperature is 15 40 DEG C；4) rectifying and product is separated and collected：From absorption tower top, hydrogen sulfide out carries out purification ＆ isolation, collect the purity of hydrogen sulfide is 99.9%, the 0.8MPa of pressure 0.2.
Description
Technical field
The present invention relates to a kind of method of high-purity hydrogen sulfide, specifically provide a kind of using natural gas act production two
The method of the accessory substance hydrogen sulfide high-purity hydrogen sulfide of nitric sulfid.
Background technology
High-purity hydrogen sulfide generally uses following two modes：Refining tail gas are produced and used using the mode of akali sulphide acid adding
Purification hydrogen sulfide.Produced using the mode of akali sulphide acid adding, production cost is high, be also easy to produce solid waste.Sulphur is purified using refining tail gas
Change hydrogen, purity is low, equipment investment is big, and efficiency is low.
The content of the invention
It is an object of the present invention to provide the accessory substance hydrogen sulfide high purity that a kind of utilization natural gas act produces carbon disulfide
The method for spending hydrogen sulfide, with low cost, process is simple, product purity is high.
To achieve these goals, the technical solution adopted by the present invention is as follows：
A kind of method of the accessory substance hydrogen sulfide high-purity hydrogen sulfide of utilization natural gas act production carbon disulfide, it is special
Levy and be：Comprise the following steps：
1) sorting：Natural gas sulfur method production carbon disulfide byproducts hydrogen sulfide is chosen, the purity of hydrogen sulfide is 95-
97%, pressure is 0.2-0.8MPa；
2) hydrogen sulfide absorption：Hydrogen sulfide is inversely contacted with white oil in absorption tower, and hydrogen sulfide is 100- with white oil volume ratio
450: 1, absorption tower temperature is 15-45 DEG C, and pressure is 0.2-0.8MPa, makes the purity of hydrogen sulfide for 98-99%, and pressure is 0.2-
0.8MPa；
3) white oil is recycled：The white oil for absorbing hydrogen sulfide enters Analytic Tower, and Analytic Tower temperature is 90-120 DEG C, after separation
White oil is recycled into solvent surge tank, and solvent surge tank temperature is 15-40 DEG C；
4) rectifying and product is separated and collected：From absorption tower top, hydrogen sulfide out carries out purification ＆ isolation, and collecting to vulcanize
The purity of hydrogen is 99.9%, pressure 0.2-0.8MPa.
The method of the accessory substance hydrogen sulfide high-purity hydrogen sulfide of above-mentioned utilization natural gas act production carbon disulfide, purity
For the hydrogen sulfide of 95-97% is stored in hydrogen sulfide surge tank, and it is introduced directly into absorption tower bottom；White oil storage of solvent surge tank
In, and by being pumped into absorption tower top, solvent surge tank temperature is 15-40 DEG C.
The method of the accessory substance hydrogen sulfide high-purity hydrogen sulfide of above-mentioned utilization natural gas act production carbon disulfide, from suction
Receive after top of tower hydrogen sulfide out is tentatively cooled down through heat exchanger carries out purification ＆ isolation into rectifying column, from rectifying column top out
Hydrogen sulfide continue cool down, then hydrogen sulfide enters surge tank, then refrigerated separation, and qualified hydrogen sulfide is by surge tank, condenser
After cooling, heat exchanger High-purity hydrogen sulfide is collected to obtain into product surge tank.
The method of the accessory substance hydrogen sulfide high-purity hydrogen sulfide of above-mentioned utilization natural gas act production carbon disulfide, rectifying
Tower temperature degree is -25-15 DEG C, and pressure is 0.2-0.8MPa；Buffer tank's liquid level control is in 10-60%；Condenser coolant temperature
For -35--25；Heat exchange temperature is -20-15 DEG C；Product buffer tank pressure is 0.2-0.8MPa.
Beneficial effect of the present invention：
The High-purity hydrogen sulfide obtained by this technique, low cost, impurity is considerably less, is particularly suitable for pharmaceutical grade
Raw material, for the NaHS of company's production high-quality provides guarantee.
Brief description of the drawings
Fig. 1 is schematic flow sheet of the invention
1st, hydrogen sulfide surge tank；2nd, absorption tower；3rd, the first condenser；4th, pump；5th, solvent surge tank；6th, Analytic Tower；7th, change
Hot device；8th, rectifying column；9th, the second condenser；10th, surge tank；11st, the 3rd condenser；12nd, product surge tank.
Specific embodiment
Embodiment 1-10
With reference to Fig. 1, the present invention produces the accessory substance hydrogen sulfide high-purity hydrogen sulfide of carbon disulfide using natural gas act
Procedure in the device that uses include：
Hydrogen sulfide surge tank 1, for vulcanizing storing hydrogen；
Absorption tower 2, vertical type cylinder structure, bottom connects hydrogen sulfide surge tank 1 by pipeline；
Solvent surge tank 5, through pump 4 and the conveyance conduit connection entrance of the first condenser 3, the first condenser 3 is exported through pipe fitting
The top of connection absorption tower 2；
Analytic Tower 6, the entrance connection connection bottom of absorption tower 2, outlet connection hydrogen sulfide surge tank 1；
Rectifying column 8, the top of rectifying column 8 connects surge tank 10 through the second condenser 9, and the top of surge tank 10 connection the 3rd is condensed
Device 11；
Product gas surge tank 12, collects High-purity hydrogen sulfide；
Heat exchanger 7, while connecting under the top of absorption tower 2, the bottom of product gas surge tank 12, the first condenser 9 and rectifying column 8
Portion.
Included using the method for the accessory substance hydrogen sulfide high-purity hydrogen sulfide of natural gas act production carbon disulfide as follows
Step：
1) sorting：Natural gas sulfur method production carbon disulfide byproducts hydrogen sulfide is chosen, the purity of hydrogen sulfide is a%, pressure
Power is bMPa；
2) hydrogen sulfide absorption：Hydrogen sulfide is inversely contacted with white oil in absorption tower 2, and hydrogen sulfide is c with white oil volume ratio：1,
The temperature of absorption tower 2 is d DEG C, and pressure is bMPa, makes the purity of hydrogen sulfide for e%, and pressure is bMPa；
3) white oil is recycled：The white oil for absorbing hydrogen sulfide enters Analytic Tower 6, and the temperature of Analytic Tower 6 is f DEG C, white after separation
Oil is recycled into solvent surge tank 5, and the temperature of solvent surge tank 5 is g DEG C；
4) rectifying and product is separated and collected：From the top of absorption tower 2, hydrogen sulfide out enters after heat exchanger 7 tentatively cooling
Rectifying column 8 carries out purification ＆ isolation, and entering the second condenser 9 from the top of rectifying column 8 hydrogen sulfide out continues to cool down, and then vulcanizes
Hydrogen enters surge tank 10, enters back into the 3rd condenser 11, and qualified hydrogen sulfide cools down by surge tank 10, the second condenser 9, exchanges heat
Collect to obtain High-purity hydrogen sulfide into product surge tank 12 after device 7, collect hydrogen sulfide purity for h%, pressure bMPa, wherein
The temperature of rectifying column 8 is i DEG C, and pressure is jMPa；Buffer tank's liquid level control is in k%；3rd condenser coolant temperature is l；Change
The temperature of hot device 7 is m DEG C；The pressure of product surge tank 12 is nMPa.
Hydrogen sulfide is stored in hydrogen sulfide surge tank 1, and is introduced directly into the bottom of absorption tower 2；White oil storage of solvent surge tank 5
In, and the top of absorption tower 2 is transported to by the condenser 3 of pump 4 and first, the temperature of solvent surge tank 5 is t DEG C.
A, b, c, d, e, f, g, h, i, j, k, l, m, n, t value such as table 1 in above-mentioned steps.
Table 1
Contrast application examples
Carry out reaction using hydrogen sulfide and the liquid caustic soda of high-purity and produce NaHS, reaction process with use before it is unpurified
The flow of hydrogen sulfide is completely the same, and response parameter is completely the same, i.e., vulcanizing excess hydrogen at 60-75 DEG C, under the conditions of pressure-fired is carried out
Reaction.
The data that specific two ways is measured are as follows：
1st, 70% NaHS is produced using non-purified hydrogen sulfide, liquid caustic soda (50%) unit consumption is 1080kg/t, and is used
Hydrogen sulfide after purification produces 70% NaHS, and liquid caustic soda (50%) unit consumption is 1026kg/t, and unit consumption of product reduces 5%；
2nd, product colour is changed into light yellow from Chinese red before, and main cause is that vulcanization hydrogen purification rear impurity is removed substantially
Only；
3rd, 70% NaHS is produced using non-purified hydrogen sulfide, carbonate content is in 1.2-1.5% in product, and adopts
70% NaHS is produced with the hydrogen sulfide after purification, carbonate content is in 0-0.3% in product；Main cause is high purity
During degree hydrogen sulfide, carbon dioxide is separated as fixed gas, so that vulcanization hydrogen purity is improved；
4th, 70% NaHS is produced using non-purified hydrogen sulfide, the content of sodium thiosulfate is in 0.3- in product
0.7%, and use the hydrogen sulfide after purification to produce 70% NaHS, the content of sodium thiosulfate is 0 in product, main cause
Be hydrogen sulfide in purification process, carbon disulfide and other impurities are all separated.
Result explanation：By the method for high-purity hydrogen sulfide of the present invention, low cost, impurity is considerably less, is particularly suitable for
For the raw material of pharmaceutical grade, for the NaHS of company's production high-quality provides guarantee.
Claims (4)
1. a kind of method that utilization natural gas act produces the accessory substance hydrogen sulfide high-purity hydrogen sulfide of carbon disulfide, its feature
It is：Comprise the following steps：
1) sorting：Natural gas sulfur method production carbon disulfide byproducts hydrogen sulfide is chosen, the purity of hydrogen sulfide is 95-97%, pressure
Power is 0.2-0.8MPa；
2) hydrogen sulfide absorption：Hydrogen sulfide is inversely contacted with white oil in absorption tower, and hydrogen sulfide is 100-450 with white oil volume ratio:
1, absorption tower temperature is 15-45 DEG C, and pressure is 0.2-0.8MPa, makes the purity of hydrogen sulfide for 98-99%, and pressure is 0.2-
0.8MPa；
3) white oil is recycled：The white oil for absorbing hydrogen sulfide enters Analytic Tower, and Analytic Tower temperature is 90-120 DEG C, the white oil after separation
Recycled into solvent surge tank, solvent surge tank temperature is 15-40 DEG C；
4) rectifying and product is separated and collected：From absorption tower top, hydrogen sulfide out carries out purification ＆ isolation, collects to obtain hydrogen sulfide
Purity is 99.9%, pressure 0.2-0.8MPa.
2. the accessory substance hydrogen sulfide high-purity hydrogen sulfide of carbon disulfide is produced using natural gas act as claimed in claim 1
Method, it is characterised in that：Purity is stored in hydrogen sulfide surge tank for the hydrogen sulfide of 95-97%, and is introduced directly into absorption tower bottom
Portion；In white oil storage of solvent surge tank, and by being pumped into absorption tower top, solvent surge tank temperature is 15-40 DEG C.
3. as claimed in claim 1 or 2 using the accessory substance hydrogen sulfide high-purity vulcanization of natural gas act production carbon disulfide
The method of hydrogen, it is characterised in that：Purified into rectifying column after being cooled down through heat exchanger from absorption tower top hydrogen sulfide out
Separate, the hydrogen sulfide after rectifying into product surge tank after surge tank, condenser cooling, heat exchanger by collecting to obtain high-purity sulphur
Change hydrogen.
4. the accessory substance hydrogen sulfide high-purity hydrogen sulfide of carbon disulfide is produced using natural gas act as claimed in claim 3
Method, it is characterised in that：Rectifying column temperature is -25-15 DEG C, and pressure is 0.2-0.8MPa；Buffer tank's liquid level control is in 10-
60%；Condenser coolant temperature is -35--25；Heat exchange temperature is -20-15 DEG C；Product buffer tank pressure is 0.2-
0.8MPa。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710053238.4A CN106744709A (en) | 2017-01-20 | 2017-01-20 | Using the method for the accessory substance hydrogen sulfide high-purity hydrogen sulfide of natural gas act production carbon disulfide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710053238.4A CN106744709A (en) | 2017-01-20 | 2017-01-20 | Using the method for the accessory substance hydrogen sulfide high-purity hydrogen sulfide of natural gas act production carbon disulfide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106744709A true CN106744709A (en) | 2017-05-31 |
Family
ID=58942283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710053238.4A Pending CN106744709A (en) | 2017-01-20 | 2017-01-20 | Using the method for the accessory substance hydrogen sulfide high-purity hydrogen sulfide of natural gas act production carbon disulfide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106744709A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114906849A (en) * | 2022-06-23 | 2022-08-16 | 上海德迈世欧科技有限公司 | Process for the preparation of hydrogen sulphide and carbon disulphide |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5236677A (en) * | 1992-03-13 | 1993-08-17 | Grupo Cydsa S.A. De C.V. | Biological process for the elimination of sulphur compounds present in gas mixtures |
| CN101912718A (en) * | 2010-08-20 | 2010-12-15 | 重庆紫光化工股份有限公司 | Device and method for absorbing carbon disulfide in hydrogen sulfide gas by using solvent |
| CN102153053A (en) * | 2010-11-20 | 2011-08-17 | 辽宁瑞兴化工集团有限公司 | Methods for purifying and comprehensively utilizing hydrogen sulfide byproduct during production of carbon disulfide by methane method |
-
2017
- 2017-01-20 CN CN201710053238.4A patent/CN106744709A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5236677A (en) * | 1992-03-13 | 1993-08-17 | Grupo Cydsa S.A. De C.V. | Biological process for the elimination of sulphur compounds present in gas mixtures |
| CN101912718A (en) * | 2010-08-20 | 2010-12-15 | 重庆紫光化工股份有限公司 | Device and method for absorbing carbon disulfide in hydrogen sulfide gas by using solvent |
| CN102153053A (en) * | 2010-11-20 | 2011-08-17 | 辽宁瑞兴化工集团有限公司 | Methods for purifying and comprehensively utilizing hydrogen sulfide byproduct during production of carbon disulfide by methane method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114906849A (en) * | 2022-06-23 | 2022-08-16 | 上海德迈世欧科技有限公司 | Process for the preparation of hydrogen sulphide and carbon disulphide |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103418210B (en) | CO2 full capture and H2S enrichment process | |
| CN106281476B (en) | A kind of method of sour gas in low temperature washing device for methanol and a kind of removing synthesis gas | |
| CN103539155B (en) | Recovery ammonia in synthesis ammonia system waste gas is utilized to utilize the method for device | |
| CN203741248U (en) | Improved oxidation reaction and tail gas adsorption device for synthesizing glyoxylic acid | |
| CN208893656U (en) | The equipment of NMP recycling heat pump distillation in a kind of production of lithium electricity | |
| CN103480275A (en) | Device and method for acid gas concentration, desalination and separation after doctor solution regeneration | |
| CN105523524A (en) | Apparatus and method for producing highly pure hydrogen sulfide | |
| CN105111171B (en) | Using hexahydro-phthalic acid diisobutyl ester as the technique of solvent recovery cis-butenedioic anhydride | |
| CN202509006U (en) | Device for producing methanol by using methanol exhausted gas | |
| CN206359258U (en) | Unqualified liquefied ammonia re-refines system in refinery(waste) water production | |
| CN106744709A (en) | Using the method for the accessory substance hydrogen sulfide high-purity hydrogen sulfide of natural gas act production carbon disulfide | |
| CN208736034U (en) | A kind of polypropylene tail gas recovery device | |
| CN215479762U (en) | High-efficient recovery unit of carbon disulfide | |
| CN203959829U (en) | Separating tank for process for preparation of CS 2 molten sulfur | |
| CN105777491A (en) | Coarse methanol gas separation system and method | |
| CN209668781U (en) | The system of lighter hydrocarbons impurity in a kind of novel carbon dioxide removal | |
| CH649542A5 (en) | PROCEDURE FOR THE ISOTHERMAL ABSORPTION OF ETHYLENE OXIDE BY THE USE OF FILM ABSORBERS. | |
| CN210543451U (en) | System tail gas recovery system glues | |
| CN203959827U (en) | Tripping device for process for preparation of CS 2 molten sulfur | |
| CN106753631A (en) | The process of reinforcing desorption type methane purification and recovery carbon dioxide | |
| CN203007173U (en) | Preparation device of ultra-high-purity difluoromonochloroethane | |
| CN208700930U (en) | A kind of dimethyl disulfide refining separation device | |
| CN217780758U (en) | Phosphorus pentafluoride purification device | |
| CN109704341A (en) | The system of lighter hydrocarbons impurity in a kind of novel carbon dioxide removal | |
| CN220003002U (en) | Single-tower closed steam stripping device for acid water conversion treatment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |