CN110124447B - Pressure swing adsorption gas separation system and separation method for improving adsorption efficiency without energy consumption - Google Patents
Pressure swing adsorption gas separation system and separation method for improving adsorption efficiency without energy consumption Download PDFInfo
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- CN110124447B CN110124447B CN201910502580.7A CN201910502580A CN110124447B CN 110124447 B CN110124447 B CN 110124447B CN 201910502580 A CN201910502580 A CN 201910502580A CN 110124447 B CN110124447 B CN 110124447B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/047—Pressure swing adsorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40086—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by using a purge gas
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Abstract
The invention discloses a pressure swing adsorption gas separation system and a separation method for improving adsorption efficiency without energy consumption, and solves the problem of low adsorption efficiency in the operation process in the prior art. The system comprises a raw material gas conveying pipe, a desorption gas outer conveying pipe, a product gas outer conveying pipe, a regeneration flushing gas conveying pipe, a heat exchanger and at least one adsorption tower, wherein the raw material gas conveying pipe, the desorption gas outer conveying pipe, the product gas outer conveying pipe and the regeneration flushing gas conveying pipe are respectively connected with all adsorption towers through pipelines, and the heat exchanger is respectively connected with the raw material gas conveying pipe and the desorption gas outer conveying pipe and is used for enabling the raw material gas in the raw material gas conveying pipe to exchange heat with the desorption gas in the desorption gas outer conveying pipe. The method can directly utilize the characteristic that the temperature of desorption air in the pressure swing adsorption gas separation system is necessarily lower than the temperature of raw material air, and improves the adsorption efficiency of the pressure swing adsorption gas separation system by reducing the temperature of the raw material air through heat exchange.
Description
Technical Field
The invention relates to a pressure swing adsorption gas separation system and a separation method for improving adsorption efficiency without energy consumption.
Background
At present, a large number of pressure swing adsorption gas separation systems are used for separating and purifying various mixed gases in the fields of chemical industry, petrochemical industry, metallurgy, environmental protection and the like in China. At present, in the patent literature or report data published at home and abroad, methods for improving the adsorption capacity and efficiency of a pressure swing adsorption gas separation system generally increase the pressure of raw gas or reduce the pressure and partial pressure of desorption gas, and the methods all require energy consumption and increase the running cost of the system.
Therefore, designing a pressure swing adsorption gas separation system and a separation method for improving adsorption efficiency without energy consumption directly uses the characteristic that the desorption temperature in the pressure swing adsorption gas separation system is necessarily lower than the temperature of the raw material gas to improve the adsorption efficiency of the pressure swing adsorption gas separation system, and the pressure swing adsorption gas separation system becomes a technical problem to be solved by the person skilled in the art.
Disclosure of Invention
The invention aims to solve the technical problems that: the pressure swing adsorption gas separation system and the separation method have the advantages of improving the adsorption efficiency without energy consumption, and solving the problem of low adsorption efficiency in the operation process in the prior art.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a no energy consumption improves pressure swing adsorption gas separation system of adsorption efficiency, includes raw material gas conveyer pipe, desorption gas outer conveyer pipe, product gas outer conveyer pipe, regeneration flushing gas conveyer pipe, heat exchanger and at least one adsorption tower, the raw material gas conveyer pipe pass through the pipeline respectively with all the bottom intercommunication of adsorption tower, the raw material gas conveyer pipe is used for carry the raw material gas in the adsorption tower, the product gas outer conveyer pipe pass through the pipeline respectively with all the top intercommunication of adsorption tower, the product gas outer conveyer pipe is used for with the product gas outer conveyer of separation in the adsorption tower, the one end of regeneration flushing gas conveyer pipe with the product gas outer conveyer pipe is connected, the other end of regeneration flushing gas conveyer pipe pass through the pipeline respectively with all the top intercommunication of adsorption tower, regeneration flushing gas conveyer pipe is used for follow the product gas outer conveyer pipe draws forth the regeneration gas and carries to the adsorption tower in, the desorption gas outer conveyer pipe passes through the pipeline respectively with all the bottom intercommunication of adsorption tower, the desorption gas outer conveyer pipe is used for carrying out the desorption gas in the desorption gas outer conveyer pipe the adsorption gas production in the desorption tower the heat exchanger is used for carrying out the desorption gas in the desorption gas outer conveyer pipe the heat exchanger is carried out the raw material gas.
Further, the feed gas conveying pipes are respectively provided with a program control valve on the pipeline connected with each adsorption tower, the product gas external conveying pipes are respectively provided with a program control valve on the pipeline connected with each adsorption tower, the regenerated flushing gas conveying pipes are respectively provided with a program control valve on the pipeline connected with each adsorption tower, and the desorption gas external conveying pipes are respectively provided with a program control valve on the pipeline connected with each adsorption tower.
Further, a first valve is arranged on the raw material gas conveying pipe, and the first valve and the heat exchanger are sequentially distributed on the raw material gas conveying pipe along the air flow direction.
Further, a second valve is arranged on the product gas output pipe, and in the air flow direction of the product gas, the second valve is positioned behind the joint of the regenerated flushing air conveying pipe and the product gas output pipe.
Further, a pressure gauge is arranged on the pipeline connected with each adsorption tower through the product gas output pipe.
Further, the desorption pressure of each adsorption tower during regeneration desorption is higher than 0.005MPa.
The separation method of the pressure swing adsorption gas separation system capable of improving adsorption efficiency without energy consumption comprises the steps that raw gas enters an adsorption tower from a raw gas working section through a raw gas conveying pipe to be adsorbed and separated, separated product gas is conveyed outwards through a product gas conveying pipe, in the process of conveying outwards the product gas, part of product gas separated by a regeneration flushing gas conveying pipe is discharged and decompressed into regeneration flushing gas to enter the adsorption tower to flush and regenerate the adsorption tower, and regenerated desorption gas is conveyed outwards through a desorption gas conveying pipe, in the process, heat exchange is generated between desorption gas in the desorption gas conveying pipe and raw gas in the raw gas conveying pipe, so that the temperature of the raw gas is reduced, the molecular kinetic energy of the raw gas is reduced, and the adsorption capacity and efficiency of an adsorbent to gas components in the pressure swing adsorption gas separation system are improved under the condition of no energy consumption.
Compared with the prior art, the invention has the following beneficial effects:
the invention has simple structure, scientific and reasonable design and convenient use, and can directly utilize the characteristic that the temperature of desorption air in the pressure swing adsorption gas separation system is necessarily lower than the temperature of raw material air, and improve the adsorption efficiency of the pressure swing adsorption gas separation system by reducing the temperature of the raw material air through heat exchange.
The invention mainly comprises a raw material gas conveying pipe, a desorption gas outer conveying pipe, a product gas outer conveying pipe, a regeneration flushing gas conveying pipe, a heat exchanger and an adsorption tower, wherein raw material gas enters the adsorption tower from a raw material gas working section through the raw material gas conveying pipe for adsorption separation, the separated product gas is conveyed outwards through the product gas outer conveying pipe, in the process of conveying the product gas outwards, part of the product gas separated by the regeneration flushing gas conveying pipe is taken as regeneration flushing gas to enter the adsorption tower for flushing and regenerating the adsorption tower, the regenerated desorption gas is conveyed outwards through the desorption gas outer conveying pipe, and in the process, the desorption gas in the desorption gas outer conveying pipe and the raw material gas in the raw material gas conveying pipe are respectively connected with the heat exchanger, so that heat exchange is generated between the desorption gas in the desorption gas outer conveying pipe and the raw material gas in the raw material gas conveying pipe, and the temperature of the raw material gas is reduced.
When the pressure swing adsorption gas separation system is in desorption, gas molecules can be in phase change due to separation from the adsorbent to generate a cooling effect, and meanwhile, the desorption process is a decompression process, so that the desorption gas also has an adiabatic expansion cooling effect, the desorption temperature of the pressure swing adsorption gas separation device is lower than the temperature of raw gas, and the temperature difference is generally 3-10 degrees. By utilizing the characteristic that the temperature of desorption air of the pressure swing adsorption gas separation system is always lower than that of raw material gas, the temperature of the raw material gas is reduced through heat exchange, so that the molecular kinetic energy of the raw material gas is reduced, and the adsorption capacity and efficiency of an adsorbent in the pressure swing adsorption gas separation system on gas components are improved.
In the invention, the gas temperature difference between the desorption gas temperature and the raw gas temperature is 3-10 degrees in the initial stage, but the temperature of the raw gas entering the adsorption tower after the heat exchange of the raw gas and the desorption gas is carried out along with the continuous operation of the system is lower than the temperature of the raw gas in the initial stage, so that the temperature of the desorption gas coming out in the later stage is lower than the temperature of the desorption gas in the initial stage, a virtuous circle with the lower and lower raw gas temperature is formed, and finally, the adsorption capacity and efficiency of the adsorbent in the pressure swing adsorption gas separation system on gas components are higher and higher until the adsorption capacity and the efficiency are constant on a higher horizontal line.
Drawings
Fig. 1 is a schematic diagram of the system of the present invention.
Wherein, the names corresponding to the reference numerals are:
1-raw material gas conveying pipe, 2-desorption gas outer conveying pipe, 3-product gas outer conveying pipe, 4-regeneration flushing gas conveying pipe, 5-heat exchanger, 6-adsorption tower, 7-first valve, 8-second valve and 9-pressure gauge.
Detailed Description
The invention will be further illustrated by the following description and examples, which include but are not limited to the following examples.
As shown in figure 1, the pressure swing adsorption gas separation system for improving the adsorption efficiency without energy consumption has the advantages of simple structure, scientific and reasonable design and convenient use, and can directly utilize the characteristic that the desorption air temperature in the pressure swing adsorption gas separation system is necessarily lower than the raw material gas temperature to improve the adsorption efficiency of the pressure swing adsorption gas separation system. The invention comprises a raw material gas conveying pipe 1, a desorption gas outer conveying pipe 2, a product gas outer conveying pipe 3, a regeneration flushing gas conveying pipe 4, a heat exchanger 5 and at least one adsorption tower 6, wherein the raw material gas conveying pipe 1 is respectively communicated with the bottoms of all the adsorption towers 6 through pipelines, the raw material gas conveying pipe 1 is used for conveying raw material gas in the adsorption towers 6, the product gas outer conveying pipe 3 is respectively communicated with the tops of all the adsorption towers 6 through pipelines, the product gas outer conveying pipe 3 is used for conveying the product gas separated in the adsorption towers 6, one end of the regeneration flushing gas conveying pipe 4 is connected with the product gas outer conveying pipe 3, the other end of the regeneration flushing gas conveying pipe 4 is respectively communicated with the tops of all the adsorption towers 6 through pipelines, the regeneration flushing gas conveying pipe 4 is used for leading out the regeneration gas from the product gas outer conveying pipe 3 and conveying the regeneration gas into the adsorption towers, the desorption gas outer conveying pipe 2 is respectively communicated with the bottoms of all the adsorption towers 6 through pipelines, the regeneration flushing gas conveying pipe 4 is used for conveying the regeneration gas in the adsorption towers 6, and the regeneration flushing gas is used for conveying the regeneration gas in the adsorption towers 1 and the adsorption towers 6, and the regeneration flushing gas is used for conveying the regeneration flushing gas in the adsorption tower 1, and the adsorption tower 1 and the regeneration flushing gas is used for conveying the adsorption tower 1, and the regeneration flushing gas is used for conveying the regeneration gas in the adsorption tower 1.
The utility model discloses a device for purifying waste gas, including adsorption tower 6, product gas delivery pipe 1, regeneration flushing gas delivery pipe 4, adsorption tower 6, desorption gas delivery pipe 2, adsorption tower 6, adsorption tower 1, regeneration flushing gas delivery pipe 1, desorption gas delivery pipe 2, adsorption tower 6, respectively, be equipped with a program control valve on the pipeline that feed gas delivery pipe 1 respectively with each be connected on the pipeline that adsorption tower 6 is equipped with a program control valve on the pipeline that product gas delivery pipe 3 respectively with each be connected.
The feed gas conveying pipe 1 is provided with a first valve 7, and the first valve 7 and the heat exchanger 5 are sequentially distributed on the feed gas conveying pipe 1 along the air flow direction. The second valve 8 is arranged on the product gas output pipe 3, and in the gas flow direction of the product gas, the second valve 8 is positioned behind the joint of the regenerated flushing gas output pipe 4 and the product gas output pipe 3. And the product gas output pipes 3 are respectively connected with pipelines of each adsorption tower 6, and a pressure gauge 9 is arranged on each pipeline.
The invention mainly comprises a raw gas conveying pipe, a desorption gas outer conveying pipe, a product gas outer conveying pipe, a regeneration flushing gas conveying pipe, a heat exchanger and an adsorption tower, wherein raw gas enters the adsorption tower from a raw gas working section through the raw gas conveying pipe for adsorption separation, the separated product gas is conveyed outwards through the product gas outer conveying pipe, in the process of conveying the product gas outwards, part of the product gas separated by the regeneration flushing gas conveying pipe is discharged and decompressed into regeneration flushing gas to enter the adsorption tower for flushing and regenerating the adsorption tower, the regenerated desorption gas is conveyed outwards through the desorption gas outer conveying pipe, and in the process, the desorption gas in the desorption gas outer conveying pipe and the raw gas conveying pipe are respectively connected with the heat exchanger, so that heat exchange is generated between the desorption gas in the desorption gas outer conveying pipe and the raw gas in the raw gas conveying pipe, and the temperature of the raw gas is reduced.
When the pressure swing adsorption gas separation system is in desorption, gas molecules can be in phase change due to separation from the adsorbent to generate a cooling effect, and meanwhile, the desorption process is a decompression process, so that the desorption gas also has an adiabatic expansion cooling effect, the desorption temperature of the pressure swing adsorption gas separation device is lower than the temperature of raw gas, and the temperature difference is generally 3-10 degrees. By utilizing the characteristic that the temperature of desorption air of the pressure swing adsorption gas separation system is always lower than that of raw material gas, the temperature of the raw material gas is reduced through heat exchange, so that the molecular kinetic energy of the raw material gas is reduced, and the adsorption capacity and efficiency of an adsorbent in the pressure swing adsorption gas separation system on gas components are improved.
In the invention, the gas temperature difference between the desorption gas temperature and the raw gas temperature is 3-10 degrees in the initial stage, but the temperature of the raw gas entering the adsorption tower after the heat exchange of the raw gas and the desorption gas is carried out along with the continuous operation of the system is lower than the temperature of the raw gas in the initial stage, so that the temperature of the desorption gas coming out in the later stage is lower than the temperature of the desorption gas in the initial stage, a virtuous circle with the lower and lower raw gas temperature is formed, and finally, the adsorption capacity and efficiency of the adsorbent in the pressure swing adsorption gas separation system on gas components are higher and higher until the adsorption capacity and the efficiency are constant on a higher horizontal line.
The separation method of the pressure swing adsorption gas separation system capable of improving adsorption efficiency without energy consumption comprises the steps that raw gas enters an adsorption tower from a raw gas working section through a raw gas conveying pipe to be adsorbed and separated, separated product gas is conveyed outwards through a product gas conveying pipe, in the process of conveying outwards the product gas, part of product gas separated by a regeneration flushing gas conveying pipe is discharged and decompressed into regeneration flushing gas to enter the adsorption tower to flush and regenerate the adsorption tower, and regenerated desorption gas is conveyed outwards through a desorption gas conveying pipe, in the process, heat exchange is generated between desorption gas in the desorption gas conveying pipe and raw gas in the raw gas conveying pipe, so that the temperature of the raw gas is reduced, the molecular kinetic energy of the raw gas is reduced, and the adsorption capacity and efficiency of an adsorbent to gas components in the pressure swing adsorption gas separation system are improved under the condition of no energy consumption.
The invention is suitable for a pressure swing adsorption gas separation system with desorption pressure higher than 0.005MPa.G, and the desorption gas discharged by the pressure swing adsorption gas separation system in the desorption stage is led out to exchange heat with the feed gas with relatively high pressure and high temperature, and the temperature of the desorption gas is always lower than the characteristic of the feed gas by utilizing the characteristic of the pressure swing adsorption gas separation system, so that the temperature of the feed gas is reduced by the heat exchange, the molecular kinetic energy of the feed gas is reduced, and the adsorption capacity and efficiency of the adsorbent in the pressure swing adsorption gas separation system on gas components are improved.
The invention has wonderful conception, directly utilizes the characteristic that the desorption air temperature in the pressure swing adsorption gas separation system is necessarily lower than the raw material air temperature to improve the adsorption efficiency of the pressure swing adsorption gas separation system, does not need to additionally increase energy consumption, can effectively reduce the operation cost of the system, has very wide application prospect, and is suitable for being widely popularized and applied in the technical field.
The above embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the scope of the present invention, but all the insubstantial modifications or color changes made in the main design concept and spirit of the present invention are still consistent with the present invention, and all the technical problems to be solved are included in the scope of the present invention.
Claims (3)
1. The pressure swing adsorption gas separation system capable of improving adsorption efficiency without energy consumption is characterized by comprising a raw gas conveying pipe (1), a desorption gas outer conveying pipe (2), a product gas outer conveying pipe (3), a regeneration flushing gas conveying pipe (4), a heat exchanger (5) and at least one adsorption tower (6), wherein the raw gas conveying pipe (1) is respectively communicated with the bottoms of all the adsorption towers (6) through pipelines, the raw gas conveying pipe (1) is used for conveying raw gas in the adsorption towers (6), the product gas outer conveying pipe (3) is respectively communicated with the tops of all the adsorption towers (6) through pipelines, the product gas outer conveying pipe (3) is used for externally conveying the product gas separated in the adsorption towers (6), one end of the regeneration flushing gas conveying pipe (4) is connected with the product gas outer conveying pipe (3), the other end of the regeneration flushing gas conveying pipe (4) is respectively communicated with the tops of all the adsorption towers (6) through pipelines, the regeneration flushing gas conveying pipe (4) is used for leading out the product gas from the adsorption towers (6) to the bottoms of all the adsorption towers (6) through the pipelines, the regeneration flushing gas conveying pipe (3) is used for leading the product gas out of the adsorption tower (6) from the adsorption tower (6) to the bottom of the adsorption tower (6) through the desorption tower (6), the heat exchanger (5) is respectively connected with the raw material gas conveying pipe (1) and the desorption gas external conveying pipe (2) and is used for exchanging heat between the raw material gas in the raw material gas conveying pipe (1) and the desorption gas in the desorption gas external conveying pipe (2);
the device is characterized in that a program control valve is arranged on a pipeline connected with each adsorption tower (6) through the raw material gas conveying pipe (1), a program control valve is arranged on a pipeline connected with each adsorption tower (6) through the product gas outer conveying pipe (3), a program control valve is arranged on a pipeline connected with each adsorption tower (6) through the regenerated flushing gas conveying pipe (4), a program control valve is arranged on a pipeline connected with each adsorption tower (6) through the regenerated flushing gas conveying pipe, and a program control valve is arranged on a pipeline connected with each adsorption tower (6) through the desorption gas outer conveying pipe (2);
a first valve (7) is arranged on the raw material gas conveying pipe (1), and the first valve (7) and the heat exchanger (5) are sequentially distributed on the raw material gas conveying pipe (1) along the air flow direction;
the product gas external conveying pipe (3) is provided with a second valve (8), and the second valve (8) is positioned behind the joint of the regenerated flushing gas conveying pipe (4) and the product gas external conveying pipe (3) in the gas flow direction of the product gas;
the desorption pressure of each adsorption tower (6) during regeneration desorption is higher than 0.005MPa.
2. The pressure swing adsorption gas separation system with no energy consumption for improving adsorption efficiency according to claim 1, wherein a pressure gauge (9) is arranged on the pipeline of each adsorption tower (6) connected with the product gas output pipe (3).
3. The separation method of the pressure swing adsorption gas separation system for improving the adsorption efficiency by using the energy-free method according to claim 1 or 2, wherein the raw gas enters an adsorption tower from a raw gas working section through a raw gas conveying pipe for adsorption separation, the separated product gas is conveyed out through a product gas outer conveying pipe, in the process of conveying the product gas out, partial product gas separated by a regeneration flushing gas conveying pipe is decompressed into regeneration flushing gas to enter the adsorption tower for flushing and regenerating the adsorption tower, the regenerated desorption gas is conveyed out through a desorption gas outer conveying pipe, in the process, the desorption gas in the desorption gas outer conveying pipe and the raw gas in the raw gas conveying pipe generate heat exchange, so that the temperature of the raw gas is reduced, the molecular kinetic energy of the raw gas is reduced, and the adsorption capacity and the efficiency of the adsorbent to gas components in the pressure swing adsorption gas separation system are improved under the condition of no energy consumption.
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| CN201910502580.7A CN110124447B (en) | 2019-06-11 | 2019-06-11 | Pressure swing adsorption gas separation system and separation method for improving adsorption efficiency without energy consumption |
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| CN110124447A CN110124447A (en) | 2019-08-16 |
| CN110124447B true CN110124447B (en) | 2023-10-27 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1872389A (en) * | 2006-04-28 | 2006-12-06 | 上海申江化肥成套设备有限公司 | Technique for adsorption under live pressure, and equipment |
| CN102351147A (en) * | 2011-07-15 | 2012-02-15 | 清华大学 | Moderate temperature pressure swing adsorption method for CO2, H2S and H2 mixed gas separation |
| CN104888741A (en) * | 2015-03-25 | 2015-09-09 | 曾杨 | Solid adsorbent regeneration process |
| CN105268282A (en) * | 2015-09-18 | 2016-01-27 | 北京环宇京辉京城气体科技有限公司 | Method for preparing ultra pure hydrogen by low-temperature pressure-swing adsorption |
| CN205495345U (en) * | 2016-04-18 | 2016-08-24 | 四川华能科创化工工程有限公司 | A equipment for sublimating hydrogen in caprolactam tail gas |
| CN210186772U (en) * | 2019-06-11 | 2020-03-27 | 成都益志科技有限责任公司 | Pressure swing adsorption gas separation system capable of improving adsorption efficiency without energy consumption |
-
2019
- 2019-06-11 CN CN201910502580.7A patent/CN110124447B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1872389A (en) * | 2006-04-28 | 2006-12-06 | 上海申江化肥成套设备有限公司 | Technique for adsorption under live pressure, and equipment |
| CN102351147A (en) * | 2011-07-15 | 2012-02-15 | 清华大学 | Moderate temperature pressure swing adsorption method for CO2, H2S and H2 mixed gas separation |
| CN104888741A (en) * | 2015-03-25 | 2015-09-09 | 曾杨 | Solid adsorbent regeneration process |
| CN105268282A (en) * | 2015-09-18 | 2016-01-27 | 北京环宇京辉京城气体科技有限公司 | Method for preparing ultra pure hydrogen by low-temperature pressure-swing adsorption |
| CN205495345U (en) * | 2016-04-18 | 2016-08-24 | 四川华能科创化工工程有限公司 | A equipment for sublimating hydrogen in caprolactam tail gas |
| CN210186772U (en) * | 2019-06-11 | 2020-03-27 | 成都益志科技有限责任公司 | Pressure swing adsorption gas separation system capable of improving adsorption efficiency without energy consumption |
Non-Patent Citations (1)
| Title |
|---|
| 刘应书等.《缺氧环境制氧供氧技术》.冶金工业出版社,2010,第222页. * |
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