CN105523524A - Apparatus and method for producing highly pure hydrogen sulfide - Google Patents
Apparatus and method for producing highly pure hydrogen sulfide Download PDFInfo
- Publication number
- CN105523524A CN105523524A CN201511001246.1A CN201511001246A CN105523524A CN 105523524 A CN105523524 A CN 105523524A CN 201511001246 A CN201511001246 A CN 201511001246A CN 105523524 A CN105523524 A CN 105523524A
- Authority
- CN
- China
- Prior art keywords
- tower
- hydrogen sulfide
- methanol
- gas
- lean
- 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
- C01B17/167—Separation
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0028—Separation of the specific gas from gas mixtures containing a minor amount of this specific gas
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention discloses an apparatus and a method for producing highly pure hydrogen sulfide. The method comprises the following steps: 1, a methanol washing acidic gas adopted as a raw material enters the bottom of an absorption tower, and hydrogen sulfide in the acidic gas is absorbed by lean methanol; 2, a tower top gas returns to a methanol washing hydrogen sulfide concentration tower, a sulfur-containing rich solution from the bottom of the absorption tower is boosted through a methanol-rich pump and undergoes reduced pressure flash evaporation, a flash evaporated gas returns to the bottom of the absorption tower, and a liquid phase at a flash evaporation tank returns to a heat regeneration tower and undergoes heat regeneration; 3, regenerated lean methanol undergoes heat exchange, then is cooled through an ammonia cooler, and finally is sent to the top of the absorption tower; and 4, a hydrogen sulfide gas obtained after methanol separation of an acidic gas of the heat regeneration tower through a heat exchanger and a second ammonia cooler undergoes heat exchange in the heat exchanger, the heat exchanged hydrogen sulfide gas is sent out to a compressor, the obtained hydrogen sulfide gas enters a condenser and undergoes high pressure condensation, the condensed hydrogen sulfide gas enters a rectifying tower, and the purified hydrogen sulfide gas product is extracted from the rectifying tower. The apparatus and the method have the advantages of stable operation, mild production conditions, realization of the hydrogen sulfide purity reaching 99% or above, and realization of the recovery rate reaching 99% or above.
Description
Technical field
The present invention relates to a kind of method and the device that utilize synthetic ammonia low-temperature methanol wash column sour gas production high-pure hydrogen sulfide, be specifically related to a kind of production method and device of High-purity hydrogen sulfide, belong to field of gas purification.
Background technology
Hydrogen sulfide is a kind of colourless toxic gas having rotten egg smell.Traditional hydrogen sulfide production technique has three kinds: a kind of pure liquid sulfur and high-purity hydrogen of adopting reacts; One adopts barium sulphide and acid-respons; Another kind utilizes the by-product hydrogen sulfide in Industrial processes to obtain through purification.
Produce in the process of dithiocarbonic anhydride, synthetic ammonia low-temperature methanol wash column at the catalysis drying gas desulfurization of refinery, liquid hydrocarbon desulfurization and sour water stripping, selexol process and Sweet natural gas-sulfur method and all can discharge a large amount of hydrogen sulfide, all adopt catalytic oxidation, by Cross unit, hydrogen sulfide is changed into sulphur at present both at home and abroad.The hydrogen sulfide content produced in these processes is higher, and composition uncomplicated acid gas again, tackles it and carry out separating-purifying, widen the purposes of hydrogen sulfide, reaches best economic benefit.
Low-temp methanol washing process is a kind of method for gas purification developed jointly by German Linde Co and LURGI the fifties, is a kind of physical absorption process.Its main purpose removes carbonic acid gas and hydrogen sulfide in coal gas, makes it to reach town gas or synthetic gas use high standard.Carbon dioxide discharge air after removing, hydrogen sulfide adopts claus process to carry out sulfur recovery usually, produces elemental sulfur.Since the fifties, be widely used in the devices such as hydrogen manufacturing, synthesizing methanol and synthetic ammonia.
Chinese patent CN94105767 discloses a kind of methanol absorption and reclaims the method for sour gas, after removing sour gas with methanol absorption, the sulfur-bearing rich solution on absorption tower and not sulfur-bearing rich solution process respectively, after sulfide hydrogen rich solution air lift carbonic acid gas, solution send hot recycling, and carbon dioxide in gas carbonated solution carries out double absorption, this section of patent emphasis sets forth the recovery method of high yield high-content carbonic acid gas, indirectly refer to raising concentration of hydrogen sulfide, but do not set forth the concrete method of purification of hydrogen sulfide.Chinese patent 201410687078 refer to the method controlling hydrogen sulfide tail gas concentration in low-temperature rectisol process, by obtain methyl alcohol rich solution first through middle pressure flash distillation then air lift regeneration again by flash evaporation, hot recycling after the hydrogen sulfide content that obtains through overcooling at 20-50%, also not mentionedly how to obtain more highly purified hydrogen sulfide further.
Summary of the invention
The object of the present invention is to provide a kind of method and the device that utilize synthetic ammonia low-temperature methanol wash column sour gas production high-pure hydrogen sulfide, change the treatment process of conventional vulcanized hydrogen tail gas, high-pure hydrogen sulfide gas is obtained by rectifying mode, there is technique simple, the hydrogen sulfide product purity obtained is high, added value of product is high, the feature that environmental pollution is little.Concrete technical scheme is as follows.
The application provide firstly a kind of device producing high-pure hydrogen sulfide, and described device comprises: absorption tower (1), hot recycling tower (2), heat-lightening steaming pot (3), separating tank (4), rectifying tower (5), rich methanol pump (6), lean pump (7), the first ammonia cooler (8), lean/rich methyl alcohol heat exchanger (9), interchanger (10), the second ammonia cooler (11), high pressure of hydrogen sulfide condenser (12), compressor (13), methanol wash column hydrogen sulphide concentration tower (14); Be connected with lean/rich methyl alcohol heat exchanger (9) by rich methanol pump (6) at the bottom of the tower on described absorption tower (1); Described lean/rich methyl alcohol heat exchanger (9) is connected with at the bottom of the tower of hot recycling tower (2) by lean pump (7), be connected with the tower of hot recycling tower (2) by heat-lightening steaming pot (3), lean/rich methyl alcohol heat exchanger (9) is also connected with the tower top of absorption tower (1) by the first ammonia cooler (8); The tower top of described heat-lightening steaming pot (3) is connected with absorption tower (1), the tower top of described hot recycling tower (2) is connected with separating tank (4) by interchanger (10), the second ammonia cooler (11), interchanger (10) is also connected with rectifying tower (5) by high pressure of hydrogen sulfide condenser (12), compressor (13) simultaneously, is connected at the bottom of the tower of described rectifying tower (5) with at the bottom of the tower of absorption tower (1); The tower top on described absorption tower (1) is connected with methanol wash column hydrogen sulphide concentration tower (14) respectively with the tower top of rectifying tower (5).
Present invention also provides the processing method of said apparatus for the production of high-pure hydrogen sulfide, mainly comprise the steps:
1) by the bottom of the tower of low-temperature rectisol acid gas input absorption tower (1), contact with the poor methanol inputted from tower top, absorb the hydrogen sulfide in unstripped gas;
2) the sulfur-bearing rich solution that absorption tower (1) tower bottom flows out inputs heat-lightening steaming pot (3) and carries out vacuum flashing after rich methanol pump (6) boosting after lean/rich methyl alcohol heat exchanger (9) with poor methanol heat exchange, flashed vapour returns to bottom, absorption tower (1), and flash tank (3) bottom liquid phases is got back to hot recycling tower (2) and carried out hot recycling;
3) lean/rich methyl alcohol heat exchanger (9) and rich methanol heat exchange is transported to after poor methanol lean pump (7) boosting after the regeneration of discharging at the bottom of hot recycling tower (2) tower, be transported to absorption tower (1) tower top by after the first ammonia cooler (8) cooling, complete methanol loop;
4) hot recycling tower (2) tower top acid gas cut enters interchanger (11) heat exchange, isolates the methanol solution that hydrogen sulfide carries secretly again get back at the bottom of absorption tower (1) tower after the second ammonia cooler (11) cooling in separating tank (4), and gas is sent after heat exchange and after compressor (13) compression, entered high pressure of hydrogen sulfide condenser (12) carry out high pressure condensation in interchanger (10);
5) rectifying tower (5) is entered through the condensed material of compressor (13) high pressure, rectifying tower (5) overhead gas returns methanol wash column hydrogen sulphide concentration tower and absorption tower (1) overhead gas and merges and carry out circulation and stress, rectifying tower (5) side extracts the hydrogen sulfide product of purifying out, and liquid phase at the bottom of tower returns at the bottom of absorption tower (1) tower.
Further, stink damp body burden 20-30% in unstripped gas described in the application, carbon dioxide content 70-80%; Input temp is 40-55 DEG C, and pressure is 0.2-0.3MPa.
Preferably, the working pressure of rectifying tower described in the application (5) is 3.0-5.0MPa.
Preferably, the service temperature of rectifying tower described in the application (5) is 0-10 DEG C.
Preferably, the stage number in rectifying tower described in the application (5) is 50-100 block.
Beneficial effect: the device of the production high-pure hydrogen sulfide that the application provides and processing method, stable operation, working condition is gentle, namely washed by sour gas, Mathanol regenerating just purifies hydrogen sulfide, purified by rectifying mode after sour gas compression and obtain the hydrogen sulfide product of content > 99%, the rate of recovery of hydrogen sulfide reaches more than 99%.
Accompanying drawing explanation
Fig. 1 is the structural representation that the application produces high-pure hydrogen sulfide device;
In figure: 1-absorption tower, 2-hot recycling tower, 3-heat-lightening steaming pot, 4-separating tank, 5-rectifying tower, 6-rich methanol pump, 7-lean pump, 8-first ammonia cooler, the lean/rich methyl alcohol heat exchanger of 9-, 10-interchanger, 11-second ammonia cooler, 12-high pressure of hydrogen sulfide condenser, 13-compressor, 14-methanol wash column hydrogen sulphide concentration tower.
Embodiment
Below in conjunction with drawings and Examples the present invention will be further explained explanation.Fig. 1 is the structural representation that the application produces high-pure hydrogen sulfide equipment therefor.
Embodiment 1
Acid gas is washed for synthetic ammonia low-temperature methanol, sulfide hydrogen 22%, at the bottom of the tower on the unstripped gas input absorption tower 1 of carbonic acid gas 77.5% and other trace ingredientss, contact with the poor methanol entered from tower top, absorb the hydrogen sulfide in unstripped gas, carbon dioxide in gas is removed, absorb 1 overhead gas and return methanol wash column hydrogen sulphide concentration tower 14, the sulfur-bearing rich solution that tower bottom flows out boosts through rich methanol pump 6, after after lean/rich methyl alcohol heat exchanger 9 with poor methanol heat exchange, input heat-lightening steaming pot 3 carry out vacuum flashing, flashed vapour returns bottom absorption tower 1, flash tank 3 bottom liquid phases is got back to hot recycling tower 2 and is carried out hot recycling, poor methanol lean pump 7 after regeneration is transported to lean/rich methyl alcohol heat exchanger 9 and rich methanol heat exchange after boosting, be transported to absorption tower 1 tower top, complete methanol loop by the first ammonia cooler 8 after cooling, hot recycling tower 2 tower top acid gas cut enters interchanger 10 heat exchange, after the second ammonia cooler 11 cools, isolate the methanol solution that hydrogen sulfide carries secretly in separating tank 4 again gets back at the bottom of the tower of absorption tower 1, and gas is sent after heat exchange and after compressor 13 compresses, entered high pressure of hydrogen sulfide condenser 12 carry out high pressure condensation in interchanger 10, enter rectifying tower 5 through the condensed material of compressor high pressure, rectifying tower 5 overhead gas returns methanol wash column hydrogen sulphide concentration tower 14 and merges with absorption tower 1 overhead gas and carry out circulation and stress, and the hydrogen sulfide product of rectifying tower 5 side extraction purifying, liquid phase at the bottom of tower returns at the bottom of 1 tower.Rectifying tower 5 stage number is 50-100 block, and rectifying pressure is 3.0MPa-4.5MPa, and rectification temperature is 0-8 DEG C, finally obtains the hydrogen sulfide of content 99.2%.
Embodiment 2
Acid gas is washed for synthetic ammonia low-temperature methanol, sulfide hydrogen 22%, at the bottom of the tower on the unstripped gas input absorption tower 1 of carbonic acid gas 77.5% and other trace ingredientss, contact with the poor methanol entered from tower top, absorb the hydrogen sulfide in unstripped gas, carbon dioxide in gas is removed, absorb 1 overhead gas and return methanol wash column hydrogen sulphide concentration tower 14, the sulfur-bearing rich solution that tower bottom flows out boosts through rich methanol pump 6, after after lean/rich methyl alcohol heat exchanger 9 with poor methanol heat exchange, input heat-lightening steaming pot 3 carry out vacuum flashing, flashed vapour returns bottom absorption tower 1, flash tank 3 bottom liquid phases is got back to hot recycling tower 2 and is carried out hot recycling, poor methanol lean pump 7 after regeneration is transported to lean/rich methyl alcohol heat exchanger 9 and rich methanol heat exchange after boosting, be transported to absorption tower 1 tower top, complete methanol loop by the first ammonia cooler 8 after cooling, hot recycling tower 2 tower top acid gas cut enters interchanger 10 heat exchange, after the second ammonia cooler 11 cools, isolate the methanol solution that hydrogen sulfide carries secretly in separating tank 4 again gets back at the bottom of the tower of absorption tower 1, and gas is sent after heat exchange and after compressor 13 compresses, entered high pressure of hydrogen sulfide condenser 12 carry out high pressure condensation in interchanger 10, enter rectifying tower 5 through the condensed material of compressor 13 high pressure, rectifying tower 5 overhead gas returns methanol wash column hydrogen sulphide concentration tower 14 and merges with absorption tower 1 overhead gas and carry out circulation and stress, and the hydrogen sulfide product of rectifying tower 5 side extraction purifying, liquid phase at the bottom of tower returns at the bottom of 1 tower.Rectifying tower 5 plate number is 100 pieces, and rectifying pressure is 3.5MPa-5.0MPa, and rectification temperature is 2-10 DEG C, finally obtains the hydrogen sulfide of content 99.4%.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (6)
1. produce the device of high-pure hydrogen sulfide for one kind, it is characterized in that, described device comprises: absorption tower (1), hot recycling tower (2), heat-lightening steaming pot (3), separating tank (4), rectifying tower (5), rich methanol pump (6), lean pump (7), the first ammonia cooler (8), lean/rich methyl alcohol heat exchanger (9), interchanger (10), the second ammonia cooler (11), high pressure of hydrogen sulfide condenser (12), compressor (13) and methanol wash column hydrogen sulphide concentration tower (14); Be connected with lean/rich methyl alcohol heat exchanger (9) by rich methanol pump (6) at the bottom of the tower on described absorption tower (1); Described lean/rich methyl alcohol heat exchanger (9) is connected with at the bottom of the tower of hot recycling tower (2) by lean pump (7), be connected with the tower of hot recycling tower (2) by heat-lightening steaming pot (3), lean/rich methyl alcohol heat exchanger (9) is also connected with the tower top of absorption tower (1) by the first ammonia cooler (8); Described lean/rich methyl alcohol heat exchanger (9) is also connected with absorption tower (1) by the tower top of heat-lightening steaming pot (3), the tower top of described hot recycling tower (2) is connected with separating tank (4) by interchanger (10), the second ammonia cooler (11), interchanger (10) is also connected with rectifying tower (5) by compressor (13), high pressure of hydrogen sulfide condenser (12) simultaneously, is connected at the bottom of the tower of described rectifying tower (5) with at the bottom of the tower of absorption tower (1); The tower top on described absorption tower (1) is connected with methanol wash column hydrogen sulphide concentration tower (14) respectively with the tower top of rectifying tower (5).
2. device described in claim 1 is for the production of the processing method of high-pure hydrogen sulfide, it is characterized in that, comprises the steps:
1) by the bottom of the tower of low-temperature rectisol acid gas input absorption tower (1), contact with the poor methanol inputted from tower top, absorb the hydrogen sulfide in unstripped gas;
2) the sulfur-bearing rich solution that absorption tower (1) tower bottom flows out inputs heat-lightening steaming pot (3) and carries out vacuum flashing after rich methanol pump (6) boosting after lean/rich methyl alcohol heat exchanger (9) with poor methanol heat exchange, flashed vapour returns to bottom, absorption tower (1), and flash tank (3) bottom liquid phases is got back to hot recycling tower (2) and carried out hot recycling;
3) lean/rich methyl alcohol heat exchanger (9) and rich methanol heat exchange is transported to after poor methanol lean pump (7) boosting after the regeneration of discharging at the bottom of hot recycling tower (2) tower, be transported to absorption tower (1) tower top by after the first ammonia cooler (8) cooling, complete methanol loop;
4) hot recycling tower (2) tower top acid gas cut enters interchanger (10) heat exchange, isolates the methanol solution that hydrogen sulfide carries secretly again get back at the bottom of absorption tower (1) tower after the second ammonia cooler (11) cooling in separating tank (4), and gas is sent after heat exchange and after compressor (13) compression, entered high pressure of hydrogen sulfide condenser (12) carry out high pressure condensation in interchanger (10);
5) rectifying tower (5) is entered through the condensed material of compressor (13) high pressure, rectifying tower (5) overhead gas returns methanol wash column hydrogen sulphide concentration tower and absorption tower (1) overhead gas and merges and carry out circulation and stress, rectifying tower (5) side extracts the hydrogen sulfide product of purifying out, and liquid phase at the bottom of tower returns at the bottom of absorption tower (1) tower.
3. the processing method of production high-pure hydrogen sulfide according to claim 2, is characterized in that, stink damp body burden 20-30% in described unstripped gas, carbon dioxide content 70-80%; Input temp is 40-55 DEG C, and pressure is 0.2-0.3MPa.
4. the processing method of production high-pure hydrogen sulfide according to claim 2, is characterized in that, the working pressure of described rectifying tower (5) is 3.0-5.0MPa.
5. the processing method of production high-pure hydrogen sulfide according to claim 2, is characterized in that, the service temperature of rectifying tower (5) is 0-10 DEG C.
6. the processing method of production high-pure hydrogen sulfide according to claim 2, is characterized in that, the stage number in described rectifying tower (5) is 50-100 block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511001246.1A CN105523524A (en) | 2015-12-29 | 2015-12-29 | Apparatus and method for producing highly pure hydrogen sulfide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511001246.1A CN105523524A (en) | 2015-12-29 | 2015-12-29 | Apparatus and method for producing highly pure hydrogen sulfide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105523524A true CN105523524A (en) | 2016-04-27 |
Family
ID=55766107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511001246.1A Pending CN105523524A (en) | 2015-12-29 | 2015-12-29 | Apparatus and method for producing highly pure hydrogen sulfide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105523524A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823691A (en) * | 2017-02-21 | 2017-06-13 | 西南化工研究设计院有限公司 | A kind of method of hydrogen sulfide gas concentrate |
| CN106904578A (en) * | 2017-03-07 | 2017-06-30 | 泰安科赛尔化学科技有限公司 | A kind of hydrogen sulfide process for purification in thiophene production technology |
| CN110548370A (en) * | 2019-09-04 | 2019-12-10 | 大连理工大学 | Acid gas purification process and device for producing hydrogen sulfide with various purities |
| CN111453703A (en) * | 2020-03-31 | 2020-07-28 | 陕西聚能新创煤化科技有限公司 | Method and device for producing high-concentration hydrogen sulfide by low-temperature methanol purification |
| WO2022000735A1 (en) * | 2020-06-30 | 2022-01-06 | 大连佳纯气体净化技术开发有限公司 | Washing rich solution co2 desorption device and method for low-temperature methanol washing |
| CN115228111A (en) * | 2022-07-15 | 2022-10-25 | 郝幸 | Device and method for preparing hydrogen sulfide through reactive distillation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012027007A3 (en) * | 2010-08-25 | 2012-05-18 | Catalytic Distillation Technologies | Hydrodesulfurization process with selected liquid recycle to reduce formation of recombinant mercaptans |
| CN102806000A (en) * | 2012-09-05 | 2012-12-05 | 大连佳纯气体净化技术开发有限公司 | Energy-saving one-step rectisol method |
| CN203781843U (en) * | 2014-04-02 | 2014-08-20 | 戴玉玲 | System for treating Claus sulfur recovery tail gas by low-temperature methanol washing hydrogen sulfide concentrating tower |
| CN104016310A (en) * | 2014-06-05 | 2014-09-03 | 鲁西化工集团股份有限公司 | Method for selectively producing sodium sulfide or sodium hydrosulfide by utilizing industrial waste gas of ammonia synthesis |
| CN104437004A (en) * | 2014-11-25 | 2015-03-25 | 赛鼎工程有限公司 | Method suitable for controlling concentration of hydrogen sulfide tail gas in low-temperature methanol washing process |
| US20150291421A1 (en) * | 2014-04-09 | 2015-10-15 | P. Scott Northrop | Generating Elemental Sulfur |
-
2015
- 2015-12-29 CN CN201511001246.1A patent/CN105523524A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012027007A3 (en) * | 2010-08-25 | 2012-05-18 | Catalytic Distillation Technologies | Hydrodesulfurization process with selected liquid recycle to reduce formation of recombinant mercaptans |
| CN102806000A (en) * | 2012-09-05 | 2012-12-05 | 大连佳纯气体净化技术开发有限公司 | Energy-saving one-step rectisol method |
| CN203781843U (en) * | 2014-04-02 | 2014-08-20 | 戴玉玲 | System for treating Claus sulfur recovery tail gas by low-temperature methanol washing hydrogen sulfide concentrating tower |
| US20150291421A1 (en) * | 2014-04-09 | 2015-10-15 | P. Scott Northrop | Generating Elemental Sulfur |
| CN104016310A (en) * | 2014-06-05 | 2014-09-03 | 鲁西化工集团股份有限公司 | Method for selectively producing sodium sulfide or sodium hydrosulfide by utilizing industrial waste gas of ammonia synthesis |
| CN104437004A (en) * | 2014-11-25 | 2015-03-25 | 赛鼎工程有限公司 | Method suitable for controlling concentration of hydrogen sulfide tail gas in low-temperature methanol washing process |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823691A (en) * | 2017-02-21 | 2017-06-13 | 西南化工研究设计院有限公司 | A kind of method of hydrogen sulfide gas concentrate |
| CN106823691B (en) * | 2017-02-21 | 2019-07-16 | 西南化工研究设计院有限公司 | A kind of method of hydrogen sulfide gas concentrate |
| CN106904578A (en) * | 2017-03-07 | 2017-06-30 | 泰安科赛尔化学科技有限公司 | A kind of hydrogen sulfide process for purification in thiophene production technology |
| CN110548370A (en) * | 2019-09-04 | 2019-12-10 | 大连理工大学 | Acid gas purification process and device for producing hydrogen sulfide with various purities |
| CN111453703A (en) * | 2020-03-31 | 2020-07-28 | 陕西聚能新创煤化科技有限公司 | Method and device for producing high-concentration hydrogen sulfide by low-temperature methanol purification |
| CN111453703B (en) * | 2020-03-31 | 2023-05-12 | 陕西聚能新创煤化科技有限公司 | Method and device for producing high-concentration hydrogen sulfide by purifying low-temperature methanol |
| WO2022000735A1 (en) * | 2020-06-30 | 2022-01-06 | 大连佳纯气体净化技术开发有限公司 | Washing rich solution co2 desorption device and method for low-temperature methanol washing |
| CN115228111A (en) * | 2022-07-15 | 2022-10-25 | 郝幸 | Device and method for preparing hydrogen sulfide through reactive distillation |
| CN115228111B (en) * | 2022-07-15 | 2023-11-17 | 郝幸 | Device and method for preparing hydrogen sulfide through reactive distillation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105523524A (en) | Apparatus and method for producing highly pure hydrogen sulfide | |
| CN102806000B (en) | Energy-saving one-step rectisol method | |
| CN103418210B (en) | CO2 full capture and H2S enrichment process | |
| CN201419074Y (en) | Shunting type energy-saving scrubbing unit using low temperature methanol | |
| CN101874967A (en) | Process for removing acid gas with low-temperature methanol solution | |
| CN111303945A (en) | Low-temperature methanol washing process method and device with low energy consumption and high carbon capture rate | |
| CN105664671B (en) | A kind of zero carbon emission technique gas purifying method and device | |
| CN106281476B (en) | A kind of method of sour gas in low temperature washing device for methanol and a kind of removing synthesis gas | |
| CN104208978B (en) | A kind of Apparatus and method for of gas purification | |
| CN102433169A (en) | Low temperature methanol washing technology | |
| CN103320176A (en) | Low temperature methanol washing method and device with high CO2 yield | |
| CN105645434A (en) | Comprehensive utilization method of condensed diluted ammonia water containing ammonia gas, carbon dioxide and hydrogen sulfide | |
| CN102732349A (en) | Method for producing liquefied natural gas | |
| CN102838088B (en) | Integrated sour gas treating process | |
| CN105542876B (en) | A kind of method for removing impurity in conversion gas with washing device for methanol using low temperature | |
| CN106479578A (en) | A kind of acid gas removal technique of supporting coal gasification | |
| CN205603541U (en) | Technology gas purifier | |
| CN1063086A (en) | Low temperature washing device for methanol | |
| CN103657352A (en) | High-purity hydrogen sulfide recovery device and recovery method | |
| CN104436998A (en) | Method for removing acid gas by adopting methanol as absorbent | |
| CN103638802A (en) | Device and method for processing acid gas of refinery plant | |
| CN106115632A (en) | Improve device and the recovery method thereof of sulfur recovery rate | |
| CN212999272U (en) | Wet desulphurization system without generating colored smoke plume | |
| CN203429144U (en) | Low-temperature methanol washing device with high CO2 yield | |
| CN101054167A (en) | Technique for extracting high-purity hydrogen sulfide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Shuwei Inventor after: Gu Zhenpeng Inventor after: Guan Fengbao Inventor after: Yang Zhaohui Inventor after: Ren Linguang Inventor before: Yang Zhaohui Inventor before: Gu Zhenpeng Inventor before: Wang Yong Inventor before: Zhang Xiaona Inventor before: Wang Li |
|
| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20161228 Address after: Yi Xin Street in Ganjingzi District of Dalian City, Liaoning province 116024 123 unit 1, 1 room -1 No. 1 Applicant after: Dalian Jiachun Gas Purification Technology Development Co., Ltd. Applicant after: Dalian Bio-Chem Co., Ltd. Address before: Dalian Lushun 116052 export of Liaoning Province Economic and Technological Development Zone Shunle Street No. 325 Applicant before: Dalian Bio-Chem Co., Ltd. |
|
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160427 |
|
| RJ01 | Rejection of invention patent application after publication |