CN105779047A - Technology and system for making flue gas into liquified natural gas - Google Patents
Technology and system for making flue gas into liquified natural gas Download PDFInfo
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- CN105779047A CN105779047A CN201610258691.4A CN201610258691A CN105779047A CN 105779047 A CN105779047 A CN 105779047A CN 201610258691 A CN201610258691 A CN 201610258691A CN 105779047 A CN105779047 A CN 105779047A
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- methanation
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/08—Production of synthetic natural gas
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
- C10L3/106—Removal of contaminants of water
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Treating Waste Gases (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention relates to a technology and system for making flue gas into liquified natural gas. The system for making flue gas into liquified natural gas comprises a carbon dioxide recovery device, a gas holder, a compressor, a methane synthesis reactor and a liquefaction separation device, wherein the liquefaction separation device is communicated with the methane synthesis reactor through a pipeline. The technology disclosed by the invention comprises the following steps: recovering carbon dioxide in flue gas; mixing coke oven gas with the carbon dioxide obtained in the step I; compressing mixed gas obtained in the step II; enabling hydrogen in the mixed gas to be subjected to a reaction with the carbon dioxide so as to generate methane; performing liquefaction separation treatment on combined gas subjected to methanation. The technical scheme adopted by the invention has the advantages that the CO2 in the flue gas is converted into CH4, so that the emission of the CO2 is reduced, besides, the yield of the liquified natural gas is increased, and the purposes of being energy-saving and environmentally-friendly are achieved. Hydrogen-enriched gas in the liquefaction separation device is returned to the gas holder, so that the utilization rate of the hydrogen is increased.
Description
Technical field
The present invention relates to waste gas recovery and utilize field, particularly relate to a kind of technique utilizing flue gas preparing liquefied natural gas and system.
Background technology
China is the first big coke production state in the world, and current coke aggregated capacity is about 500,000,000 tons, and within 2015, coke output is 4.48 hundred million tons, and the oven gas of by-product enormous amount.These gases are except personal, civilian and business-purpose fuel, and the oven gas diffused every year is more than 20,000,000,000 m3。
Coke-oven gas methanation preparing natural gas has the function turned waste into wealth,
Current methanation process mainly has: the methanation technology of rope company of Top, wear dimension methanation technology and the strange methanation technology in Shandong.Its dominant response is hydrogen and CO and CO2Reaction generates CH4And H2O also releases heat, and reactive chemistry formula is:
CO+3H2→CH4+H2O △ H298K=-206.2KJ/mol
CO2+4H2→CH4+2H2O △ H298K=-165.0KJ/mol
The methane generated can make CNG can also be separated into liquefied natural gas by direct liquefaction, and reaction liberated heat generates high temperature and high pressure steam.Owing to liquefied natural gas is under normal temperature and pressure the 1/625 of natural gas volume, therefore natural gas direct liquefaction can be greatly saved storage and transportation space and cost, means of transportation is more flexible, and improve combustibility, successively along with the development of cryogenic separation technology, the application of gas liquefaction preparing liquefied natural gas is also got more and more.
Owing to the hydrogen in coke-stove gas is rich, and carbon is not enough, and typical oven gas composition is as shown in table 1.
Table 1
| Composition | CH4 | N2 | CO2 | CO | H2 | C2H6 |
| Content, mol% | 24.7 | 4.5 | 2.8 | 7.4 | 57.8 | 2 |
For chemical plant, the source of carbon is very abundant, and wherein utilizable have flue gas, CO in flue gas2Content is about 13%, and the typical composition of flue gas is as shown in table 2, CO2Direct discharge can increase greenhouse effect, contaminated environment, brings significant wastage.
Table 2
| Composition | N2 | CO2 | CO | O2 | H2O |
| Content, mol% | 64.4 | 12.9 | 5.5 | 9.2 | 8 |
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind of can the technique utilizing flue gas preparing liquefied natural gas that makes full use of of flue gas and system.
The system utilizing flue gas preparing liquefied natural gas of the present invention, including:
For reclaiming the carbon dioxide recovering apparatus of the carbon dioxide in flue gas, it is connected by pipeline with flue gas source of the gas；
For oven gas, carbon dioxide, hydrogen rich gas are mixed to get the gas holder of gaseous mixture, the air inlet of gas holder is connected by the first pipeline with oven gas source of the gas；The carbon dioxide vent of carbon dioxide recovering apparatus is connected by the second pipeline with the air inlet of gas holder；
For compressing the compressor of gaseous mixture, the air inlet of compressor is connected by pipeline with the gas outlet of gas holder；
For making hydrogen in gaseous mixture generate the methane synthesis reactor of methane with carbon dioxide reaction, it is connected by pipeline with compressor；
For separating treatment that the gaseous mixture of methanation is liquefied, the mixed gas separation making methanation goes out the liquefaction segregation apparatus of liquefied natural gas, hydrogen rich gas and rich nitrogen, being connected by pipeline with methane synthesis reactor, the hydrogen rich gas outlet of liquefaction segregation apparatus is connected by the 3rd pipeline with the air inlet of gas holder.
The system utilizing flue gas preparing liquefied natural gas of the present invention, wherein, also include: for gaseous mixture purified treatment, make the purifier of mixing QI prostration naphthalene, detar, desulfurization, the air inlet of purifier is connected by pipeline with the gas outlet of compressor, and the gas outlet of purifier is connected by pipeline with the air inlet of methane synthesis reactor.
The system utilizing flue gas preparing liquefied natural gas of the present invention, wherein, it is provided with for the gaseous mixture of methanation being dried purification process before liquefaction separating treatment between methane synthesis reactor and liquefaction segregation apparatus, making the molecular sieve of the gaseous mixture dehydration decarburization of methanation, molecular sieve is 4A molecular sieve or 13X molecular sieve.
The system utilizing flue gas preparing liquefied natural gas of the present invention, wherein, compressor can be reciprocating compressor or helical-lobe compressor or centrifugal compressor.
The system utilizing flue gas preparing liquefied natural gas of the present invention, wherein, carbon dioxide recovering apparatus is amine absorption tower or pressure-swing absorber.
The technique utilizing flue gas preparing liquefied natural gas of the present invention, including:
Step one, the carbon dioxide reclaimed in flue gas；
The carbon dioxide that step 2, mixing oven gas obtain with step one；
The gaseous mixture that step 3, compression previous step obtain；
Step 4, hydrogen in gaseous mixture is made to generate methane with carbon dioxide reaction；
Step 5, liquefy separating treatment to the gaseous mixture of methanation, makes the mixed gas separation of methanation go out liquefied natural gas, hydrogen rich gas and rich nitrogen；
Step 6, the carbon dioxide reclaimed in flue gas；
Step 7, mixing oven gas, carbon dioxide that previous step obtains and the hydrogen rich gas gone out from the mixed gas separation of methanation, obtain gaseous mixture；
The gaseous mixture that step 8, compression previous step obtain；
Step 9, hydrogen in gaseous mixture is made to generate methane with carbon dioxide reaction；
Step 10, liquefy separating treatment to the gaseous mixture of methanation, makes the mixed gas separation of methanation go out liquefied natural gas, hydrogen rich gas and rich nitrogen；
Repeat step 6 to step 10.
The technique utilizing flue gas preparing liquefied natural gas of the present invention, wherein, also includes: to gaseous mixture purified treatment after compression gaseous mixture, make mixing QI prostration naphthalene, detar, desulfurization.
The technique utilizing flue gas preparing liquefied natural gas of the present invention, wherein, also includes: to the dry purification process of the gaseous mixture of methanation before liquefaction separating treatment, make the gaseous mixture dehydration decarburization of methanation.
The advantage of technical scheme is: by the CO in flue gas2It is transformed into CH4, decrease CO2Discharge simultaneously, add the yield of liquefied natural gas, energy-conserving and environment-protective；Hydrogen rich gas in liquefaction segregation apparatus is back to gas holder, adds the utilization rate of hydrogen.
Accompanying drawing explanation
Fig. 1 is the structural representation of the system utilizing flue gas preparing liquefied natural gas of the present invention.
Detailed description of the invention
As it is shown in figure 1, the system utilizing flue gas preparing liquefied natural gas of the present invention, including:
For reclaiming the carbon dioxide recovering apparatus 1 of the carbon dioxide in flue gas, it is connected by pipeline with flue gas source of the gas；
For oven gas, carbon dioxide, hydrogen rich gas are mixed to get the gas holder 2 of gaseous mixture, the air inlet of gas holder is connected by the first pipeline 11 with oven gas source of the gas；The carbon dioxide vent of carbon dioxide recovering apparatus is connected by the second pipeline 12 with the air inlet of gas holder；
For compressing the compressor 3 of gaseous mixture, the air inlet of compressor 3 is connected by pipeline with the gas outlet of gas holder 2；
For making hydrogen in gaseous mixture generate the methane synthesis reactor 4 of methane with carbon dioxide reaction, it is connected by pipeline with compressor；
For separating treatment that the gaseous mixture of methanation is liquefied, the mixed gas separation making methanation goes out the liquefaction segregation apparatus 5 of liquefied natural gas, hydrogen rich gas and rich nitrogen, being connected by pipeline with methane synthesis reactor, the hydrogen rich gas outlet of liquefaction segregation apparatus 5 is connected by the 3rd pipeline 13 with the air inlet of gas holder 2.
The system utilizing flue gas preparing liquefied natural gas of the present invention, wherein, also include: for gaseous mixture purified treatment, make the purifier 6 of mixing QI prostration naphthalene, detar, desulfurization, the air inlet of purifier 6 is connected by pipeline with the gas outlet of compressor, and the gas outlet of purifier 6 is connected by pipeline with the air inlet of methane synthesis reactor.
The system utilizing flue gas preparing liquefied natural gas of the present invention, wherein, it is provided with for the gaseous mixture of methanation being dried purification process before liquefaction separating treatment between methane synthesis reactor and liquefaction segregation apparatus, making the molecular sieve 7 of the gaseous mixture dehydration decarburization of methanation, molecular sieve 7 is 4A molecular sieve or 13X molecular sieve.
The system utilizing flue gas preparing liquefied natural gas of the present invention, wherein, compressor 3 can be reciprocating compressor or helical-lobe compressor or centrifugal compressor.
The system utilizing flue gas preparing liquefied natural gas of the present invention, wherein, carbon dioxide recovering apparatus 1 is amine absorption tower or pressure-swing absorber.
The system utilizing flue gas preparing liquefied natural gas of the present invention, wherein, liquefaction segregation apparatus 5 is ice chest, and the equipment inside ice chest is dehydrogenation tower and methane rectifier column.
The system utilizing flue gas preparing liquefied natural gas of the present invention, wherein, purifier 6 includes activated carbon adsorber and zinc oxide desulfurization tower, and activated carbon adsorber can remove benzene naphthalene simultaneously, and zinc oxide desulfurization tower is used for desulfurization.
The technique utilizing flue gas preparing liquefied natural gas of the present invention, including:
Step one, the carbon dioxide reclaimed in flue gas；
The carbon dioxide that step 2, mixing oven gas obtain with step one；
The gaseous mixture that step 3, compression previous step obtain；
Step 4, hydrogen in gaseous mixture is made to generate methane with carbon dioxide reaction；
Step 5, liquefy separating treatment to the gaseous mixture of methanation, makes the mixed gas separation of methanation go out liquefied natural gas, hydrogen rich gas and rich nitrogen；
Step 6, the carbon dioxide reclaimed in flue gas；
Step 7, mixing oven gas, carbon dioxide that previous step obtains and the hydrogen rich gas gone out from the mixed gas separation of methanation, obtain gaseous mixture；
The gaseous mixture that step 8, compression previous step obtain；
Step 9, hydrogen in gaseous mixture is made to generate methane with carbon dioxide reaction；
Step 10, liquefy separating treatment to the gaseous mixture of methanation, makes the mixed gas separation of methanation go out liquefied natural gas, hydrogen rich gas and rich nitrogen；
Repeat step 6 to step 10.
The technique utilizing flue gas preparing liquefied natural gas of the present invention, wherein, also includes: to gaseous mixture purified treatment after compression gaseous mixture, make mixing QI prostration naphthalene, detar, desulfurization.
The technique utilizing flue gas preparing liquefied natural gas of the present invention, wherein, also includes: to the dry purification process of the gaseous mixture of methanation before liquefaction separating treatment, make the gaseous mixture dehydration decarburization of methanation.
When technical scheme is implemented, from flue gas, extract CO2After, it is mixed in oven gas, mixed mixed air, after purifying compression, carries out methanation operation, CO, the CO in methanation operation, in gaseous mixture2With hydrogen exothermic reaction, generation CH4, during due to gaseous mixture methanation, hydrogen is rich, therefore to provide the yield of methane, supplements CO from the external world2Seem very necessary, and the hydrogen that the gas after methanation is after cryogenic separation, separation adds to methanation device again, improves the transformation efficiency of methanation, increases liquefied natural gas product output capacity, it is thus achieved that maximum economic benefit.
The technique utilizing flue gas preparing liquefied natural gas of the present invention, wherein, CO2Recovery can adopt amine absorption method, pressure swing adsorption method.
The technique utilizing flue gas preparing liquefied natural gas of the present invention, wherein, in compression, gaseous mixture is to 10-35bar, and compressor can be reciprocating compressor, helical-lobe compressor or centrifugal compressor.
The technique utilizing flue gas preparing liquefied natural gas of the present invention, wherein, also includes: to gaseous mixture purified treatment after compression gaseous mixture, makes mixing QI prostration naphthalene, detar, desulfurization, de-benzene.
The flow process of the technical solution used in the present invention is as follows: oven gas and the CO from carbon dioxide recovering apparatus 12After gas and the hydrogen rich gas from liquefaction segregation apparatus 5 mix, enter gas holder 2, it is compressed to high pressure then in turn through compression section, then the de-naphthalene of cleaning procedure is carried out, detar, desulfurization, prevent these foreign gas from entering the methane synthesis reactor implementing methanation operation, make catalyst poisoning, purified gas carries out methanation operation, the chemical reaction of hydrogen and carbon monoxide and carbon dioxide generation very exothermic in methanation operation, generate methane and water and release substantial amounts of heat, subsequently into molecular sieve, it is dried purification procedures, the CO contained in elimination gas2And H2O, makes dew point <-65 DEG C, the CO of oven gas2Content < 2ppm, finally carries out liquefaction separation circuit, isolates liquefied natural gas product, hydrogen rich gas and rich nitrogen, and liquefied natural gas product exports, and hydrogen rich gas is back to gas holder entrance.
The advantage of technical solution of the present invention is:
(1) by the CO in flue gas2It is transformed into CH4, decrease CO2Discharge simultaneously, add the yield of liquefied natural gas, energy-conserving and environment-protective；
(2) hydrogen rich gas in liquefaction segregation apparatus is back to gas holder, adds the utilization rate of hydrogen.
The specific embodiment of the present invention is:
Flue gas pressure is 1.03bar, flow is 10000Nm3/ h, component are as shown in table 2, after purified, and 1290Nm3The CO of/h2Gas holder is entered with oven gas and hydrogen rich gas after mixing；The pressure of oven gas is 1.03bar, flow is 30000Nm3/ h, component are as shown in table 1；The pressure of hydrogen rich gas is 1.03bar, flow is 7295Nm3/ h, component are as shown in table 3.
Table 3 hydrogen rich gas component
| Composition | CH4 | H2 | N2 |
| Content, mol% | 0.5 | 78.8 | 20.7 |
Compressed operation is compressed to 25bar, removes benzene, naphthalene and sulfur then through cleaning procedure, by benzene, naphthalene, sulfur content control at 20ppm, 1ppm, below 0.1ppm, subsequently into methanation operation, methanation reaction, primary response equation is:
CO+3H2→CH4+H2O △ H298K=-206.2KJ/mol
CO2+4H2→CH4+2H2O △ H298K=-165.0KJ/mol
In methanation operation, it is possible to CO, CO2 are substantially converted to methane, the component after methanation is as shown in table 4, subsequently into dry purification procedures, the remaining CO after elimination methanation2And H2O, it is ensured that dew point <-65 DEG C, CO2Content < 2ppm, finally enters liquefaction separation circuit, in liquefaction separation circuit, the mixed gas separation of methanation goes out liquefied natural gas product, hydrogen rich gas and rich nitrogen.
Gas component after table 4 methanation
| Component | CH4 | N2 | CO | CO2 | H2 | C2H6 | C3H8 | H2O |
| Content, mol% | 28.4 | 8.6 | 0.0048 | 0.0052 | 15.1 | 1.63 | 0.03 | 46.23 |
In practice, oven gas does not supplement CO2, liquefied natural gas (LNG)-throughput is approximately 11150Nm3/ h, supplements 10000Nm3After the flue gas of/h, liquefied natural gas (LNG)-throughput is 12910Nm3/ h, output increased 15.8%.
Below it is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (8)
1. the system utilizing flue gas preparing liquefied natural gas, it is characterised in that including:
For reclaiming the carbon dioxide recovering apparatus of the carbon dioxide in flue gas, it is connected by pipeline with flue gas source of the gas；
For oven gas, carbon dioxide, hydrogen rich gas are mixed to get the gas holder of gaseous mixture, the air inlet of gas holder is connected by the first pipeline with oven gas source of the gas；The carbon dioxide vent of carbon dioxide recovering apparatus is connected by the second pipeline with the air inlet of gas holder；
For compressing the compressor of gaseous mixture, the air inlet of compressor is connected by pipeline with the gas outlet of gas holder；
For making hydrogen in gaseous mixture generate the methane synthesis reactor of methane with carbon dioxide reaction, it is connected by pipeline with compressor；
For separating treatment that the gaseous mixture of methanation is liquefied, the mixed gas separation making methanation goes out the liquefaction segregation apparatus of liquefied natural gas, hydrogen rich gas and rich nitrogen, being connected by pipeline with methane synthesis reactor, the hydrogen rich gas outlet of liquefaction segregation apparatus is connected by the 3rd pipeline with the air inlet of gas holder.
2. utilize the system of flue gas preparing liquefied natural gas as claimed in claim 1, it is characterized in that, also include: for gaseous mixture purified treatment, make the purifier of mixing QI prostration naphthalene, detar, desulfurization, the air inlet of purifier is connected by pipeline with the gas outlet of compressor, and the gas outlet of purifier is connected by pipeline with the air inlet of methane synthesis reactor.
3. utilize the system of flue gas preparing liquefied natural gas as claimed in claim 2, it is characterized in that, it is provided with for the gaseous mixture of methanation being dried purification process before liquefaction separating treatment between methane synthesis reactor and liquefaction segregation apparatus, making the molecular sieve of the gaseous mixture dehydration decarburization of methanation, molecular sieve is 4A molecular sieve or 13X molecular sieve.
4. utilize the system of flue gas preparing liquefied natural gas as claimed in claim 3, it is characterised in that compressor can be reciprocating compressor or helical-lobe compressor or centrifugal compressor.
5. utilize the system of flue gas preparing liquefied natural gas as claimed in claim 4, it is characterised in that carbon dioxide recovering apparatus is amine absorption tower or pressure-swing absorber.
6. the technique utilizing flue gas preparing liquefied natural gas, it is characterised in that including:
Step one, the carbon dioxide reclaimed in flue gas；
The carbon dioxide that step 2, mixing oven gas obtain with step one；
The gaseous mixture that step 3, compression previous step obtain；
Step 4, hydrogen in gaseous mixture is made to generate methane with carbon dioxide reaction；
Step 5, liquefy separating treatment to the gaseous mixture of methanation, makes the mixed gas separation of methanation go out liquefied natural gas, hydrogen rich gas and rich nitrogen；
Step 6, the carbon dioxide reclaimed in flue gas；
Step 7, mixing oven gas, carbon dioxide that previous step obtains and the hydrogen rich gas gone out from the mixed gas separation of methanation, obtain gaseous mixture；
The gaseous mixture that step 8, compression previous step obtain；
Step 9, hydrogen in gaseous mixture is made to generate methane with carbon dioxide reaction；
Step 10, liquefy separating treatment to the gaseous mixture of methanation, makes the mixed gas separation of methanation go out liquefied natural gas, hydrogen rich gas and rich nitrogen；
Repeat step 6 to step 10.
7. the technique utilizing flue gas preparing liquefied natural gas as claimed in claim 6, it is characterised in that also include: to gaseous mixture purified treatment after compression gaseous mixture, make mixing QI prostration naphthalene, detar, desulfurization.
8. the technique utilizing flue gas preparing liquefied natural gas as claimed in claim 7, it is characterised in that also include: to the dry purification process of the gaseous mixture of methanation before liquefaction separating treatment, make the gaseous mixture dehydration decarburization of methanation.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106568298A (en) * | 2016-10-27 | 2017-04-19 | 杭州中泰深冷技术股份有限公司 | Coke-oven gas produced LNG coproduction ammonia synthesis device and control method |
| JP2020189817A (en) * | 2019-05-24 | 2020-11-26 | 三菱パワー株式会社 | Synthetic production system and synthetic production method |
| CN114106897A (en) * | 2021-11-25 | 2022-03-01 | 江苏保埃罗环保科技有限公司 | Coupling system and method for preparing methane from carbon dioxide and preparing LNG from natural gas |
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| CN1939840A (en) * | 2006-09-30 | 2007-04-04 | 宁夏英力特电力集团股份有限公司 | Tail gas treatment and reutilization for calcium carbide stove |
| CN103881780A (en) * | 2014-04-04 | 2014-06-25 | 西南化工研究设计院有限公司 | Process of preparing liquefied natural gas by supplementing carbon dioxide with coke-oven gas |
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| CN1939840A (en) * | 2006-09-30 | 2007-04-04 | 宁夏英力特电力集团股份有限公司 | Tail gas treatment and reutilization for calcium carbide stove |
| CN103881780A (en) * | 2014-04-04 | 2014-06-25 | 西南化工研究设计院有限公司 | Process of preparing liquefied natural gas by supplementing carbon dioxide with coke-oven gas |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106568298A (en) * | 2016-10-27 | 2017-04-19 | 杭州中泰深冷技术股份有限公司 | Coke-oven gas produced LNG coproduction ammonia synthesis device and control method |
| JP2020189817A (en) * | 2019-05-24 | 2020-11-26 | 三菱パワー株式会社 | Synthetic production system and synthetic production method |
| JP7432997B2 (en) | 2019-05-24 | 2024-02-19 | 三菱重工業株式会社 | Composite production system and compound production method |
| CN114106897A (en) * | 2021-11-25 | 2022-03-01 | 江苏保埃罗环保科技有限公司 | Coupling system and method for preparing methane from carbon dioxide and preparing LNG from natural gas |
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