SU1745314A1 - Method of recovering carbon dioxide from gases - Google Patents
Method of recovering carbon dioxide from gases Download PDFInfo
- Publication number
- SU1745314A1 SU1745314A1 SU904814503A SU4814503A SU1745314A1 SU 1745314 A1 SU1745314 A1 SU 1745314A1 SU 904814503 A SU904814503 A SU 904814503A SU 4814503 A SU4814503 A SU 4814503A SU 1745314 A1 SU1745314 A1 SU 1745314A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- carbon dioxide
- gases
- ammonia
- surfactant
- recovering carbon
- Prior art date
Links
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 18
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 15
- 239000007789 gas Substances 0.000 title claims description 15
- 238000000034 method Methods 0.000 title description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 5
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 4
- 238000005188 flotation Methods 0.000 claims abstract description 4
- 150000002191 fatty alcohols Chemical group 0.000 claims abstract 2
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 230000001172 regenerating effect Effects 0.000 claims 1
- 239000012047 saturated solution Substances 0.000 claims 1
- 235000011114 ammonium hydroxide Nutrition 0.000 abstract description 7
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 239000004094 surface-active agent Substances 0.000 abstract description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 239000000243 solution Substances 0.000 description 6
- 239000006096 absorbing agent Substances 0.000 description 5
- 230000008929 regeneration Effects 0.000 description 5
- 238000011069 regeneration method Methods 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000008396 flotation agent Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
Landscapes
- Gas Separation By Absorption (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
Изобретение относитс к области очистки газов. Дл увеличени выхода диоксида углерода и снижени скорости коррозии оборудовани в водный аммиачный раствор ввод т поверхностно-активное вещество, флотореагент ВЖС - кубовый остаток производства вторичных жирных спиртов при следующем соотношении компонентов, мас.%: аммиак 4-5, ПАВ 1-3, вода остальное . 1 ил , 1 табл.This invention relates to the field of gas cleaning. To increase the carbon dioxide yield and reduce equipment corrosion rate, a surfactant is introduced into the aqueous ammonia solution; the VGS flotation reagent is the bottom residue of the production of secondary fatty alcohols in the following ratio, wt.%: Ammonia 4-5, surfactant 1-3, water the rest. 1 silt, 1 tab.
Description
Изобретение относитс к нефтегазовой промышленности и химической промышленности , в частности к очистке газа от углекислоты .The invention relates to the oil and gas industry and the chemical industry, in particular to the purification of gas from carbon dioxide.
Известен способ очистки газов от кислых компонентов путем абсорбции метанолом , причем абсорбцию метанолом ведут в присутствии гидроокиси натри и аммиака в количестве 5-200 моль/л метанола.A known method of purifying gases from acidic components by absorption with methanol, and the absorption by methanol is carried out in the presence of sodium hydroxide and ammonia in an amount of 5-200 mol / l of methanol.
Известен также способ получени углекислоты из газов путем промывки газа жидкостью , состо щей в основном из метанола и подвергающейс регенерации, дл устранени нежелательной абсорбции углеводородов и достижении экономичности способа, регенерированна жидкость должна содержать аммиак в концентрации 0,5 мас.%.There is also known a method for producing carbon dioxide from gases by flushing the gas with a liquid mainly consisting of methanol and undergoing regeneration, in order to eliminate undesirable absorption of hydrocarbons and to achieve the economic efficiency of the method, the regenerated liquid should contain ammonia in a concentration of 0.5% by weight.
Наиболее близким техническим решением вл етс способ получени углекислоты из коксового газа. Согласно способу очищаемый газ подают в абсорбер, а навстречу потоку очищаемого газа подаетс аммиачна вода, при перемешивании в а§- сорбере газа с аммиачной водой раствор насыщаетс углекислым газом, а затем подаетс в колону регенерации, теплообменник и отпарную колону, в которой происходит удаление кислых газов, регенерированный раствор снова поступает в абсорбер.The closest technical solution is a method for producing carbon dioxide from coke oven gas. According to the method, the gas to be purified is fed to the absorber, and ammonia water is supplied to the stream of gas to be purified, the solution is saturated with carbon dioxide with agitation of ammonia water with ammonia water, and then fed to the regeneration column, heat exchanger and stripping column, in which the acidic is removed. gases, the regenerated solution again enters the absorber.
Недостатком этого способа вл етс недостаточна его эффективность из-за низ- ких скоростей прохождени реакции взаимодействи между компонентами и коррози оборудовани .The disadvantage of this method is its lack of efficiency due to the low rates of the reaction between components and equipment corrosion.
Целью изобретени вл етс увеличение выхода диоксида углерода за счет уско-. рени реакции взаимодействи между МНз , и С02 и снижени коррозии оборудовани .The aim of the invention is to increase the yield of carbon dioxide by means of VSCO. The extent of the reaction is the interaction between the SNM and C02 and the reduction in corrosion of the equipment.
Указанна цель достигаетс абсорбцией диоксида углерода из газов, раствором , содержащим следующие компоненты, мас.%:This goal is achieved by the absorption of carbon dioxide from gases with a solution containing the following components, wt.%:
Аммиак4-5Ammonia4-5
Флотореагент ВЖС (кубовыйVHS flotation reagent (vat
остаток производстваproduction balance
высших жирных кислот)1-3higher fatty acids) 1-3
ВодаОстальноеWaterEverything
Использование изобретени позволит получить следующие преимущества: увеличение выхода С02 в 2 раза; снижение в 8-9The use of the invention will provide the following advantages: an increase in the yield of C02 by 2 times; decrease in 8-9
(Л(L
СWITH
&&
СО Ј CO Ј
раз коррозионного разрушени металла; низкие капиталовложени и энергозатраты, например, за счет использовани оборудовани установок комплексной подготовки газа при использовании изобретени - в газовой промышленности.corrosive destruction times of the metal; low investment and energy costs, for example, through the use of equipment for integrated gas treatment plants using the invention in the gas industry.
Предлагаемый способ отличаетс от известного тем, что в аммиачную воду добавл ют ПАВ - флотореагент ВЖС - кубовый остаток производства высших жирных кислот , вл ющегос катализатором ускорени реакции при получении диоксида углерода из газов.The proposed method differs from the known one in that the surfactant is added to the ammonia water — the flotation agent VHS — the bottoms residue of the production of higher fatty acids, which is a catalyst for accelerating the reaction in the production of carbon dioxide from gases.
Способ осуществл ют следующим образом .The method is carried out as follows.
Природный газ с содержанием С02 4,2% в количестве 120 тыс. м3/сут, очищенный от капельной жидкости, поступает в горизонтальный абсорбер 1. Сюда из емкости 4 насосом 3 под давлением 3 МПа подаютс поглотительные аммиачные растворы с расходом 1 м3/ч, составы которых представлены в таблице.Natural gas with a CO2 content of 4.2% in the amount of 120 thousand m3 / day, purified from dropping liquid, enters the horizontal absorber 1. Here, ammonia absorption solutions with a flow rate of 1 m3 / h are supplied from tank 4 by pump 3 under pressure of 3 MPa the compositions of which are presented in the table.
В абсорбере 1 аммиачные растворы в течение 20 мин насыщаютс углекислым газом , карбонизируютс и поступают через теплообменник 5 в колонну 6 регенерации, где диоксид углерода выдел етс из раствора а результате подогрева его глухим паром, при этом температура низа колонны 90°С, верха 40°С, давление регенерации 0,4 МПа.In the absorber 1, ammonia solutions are saturated for 20 minutes with carbon dioxide, carbonized and fed through heat exchanger 5 to regeneration column 6, where carbon dioxide is released from the solution and heated with dull steam, with a bottom temperature of 90 ° C, top 40 ° C, regeneration pressure 0.4 MPa.
5five
Получаемый углекислый газ направл етс в сборную емкость, а регенерированный аммиачный раствор, через теплообменник 5 снова в абсорбер 1.The carbon dioxide produced is sent to a collection tank, and the regenerated ammonia solution, through the heat exchanger 5, is returned to the absorber 1.
Скорость коррозии стали в исследуемых растворах, замер ема в колонне регенерации гравиметрическим методом при помощи образцов-свидетелей за врем 48 ч в присутствии флотореагента ВЖС, снижаетс в 8-10 раз.The corrosion rate of steel in the test solutions, measured in the regeneration column by the gravimetric method using witness samples for 48 hours in the presence of VGS flotation reagent, decreases 8-10 times.
В таблицу сведены результаты получени диоксида углерода из природного газа абсорбцией с использованием составов с различным содержанием ингредиентов.The table summarizes the results of carbon dioxide production from natural gas by absorption using formulations with different content of ingredients.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU904814503A SU1745314A1 (en) | 1990-04-16 | 1990-04-16 | Method of recovering carbon dioxide from gases |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU904814503A SU1745314A1 (en) | 1990-04-16 | 1990-04-16 | Method of recovering carbon dioxide from gases |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU1745314A1 true SU1745314A1 (en) | 1992-07-07 |
Family
ID=21508434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU904814503A SU1745314A1 (en) | 1990-04-16 | 1990-04-16 | Method of recovering carbon dioxide from gases |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU1745314A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2378040C2 (en) * | 2004-08-06 | 2010-01-10 | ИАйДжи, ИНК. | Thorough purification of gaseous combustion products, including removal of co2 |
| RU2458005C1 (en) * | 2010-12-09 | 2012-08-10 | Государственное образовательное учреждение высшего профессионального образования Российский государственный университет нефти и газа имени И.М. Губкина | Method of recycling carbon dioxide |
| RU2472573C2 (en) * | 2007-07-03 | 2013-01-20 | Альстом Текнолоджи Лтд. | Removal of carbon dioxide from ammonium-bearing flue gas |
| RU2473379C2 (en) * | 2007-06-29 | 2013-01-27 | Сименс Акциенгезелльшафт | Method of isolating carbon dioxide from smoke gases and respective device |
| RU217760U1 (en) * | 2023-01-25 | 2023-04-17 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Казанский государственный энергетический университет" | UNIT FOR CAPTURE AND UTILIZATION OF CARBON DIOXIDE GAS |
-
1990
- 1990-04-16 SU SU904814503A patent/SU1745314A1/en active
Non-Patent Citations (1)
| Title |
|---|
| Коуль А. и др. Очистка газа.- М.: Недра, 1968, с. 83, 84. * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2378040C2 (en) * | 2004-08-06 | 2010-01-10 | ИАйДжи, ИНК. | Thorough purification of gaseous combustion products, including removal of co2 |
| RU2473379C2 (en) * | 2007-06-29 | 2013-01-27 | Сименс Акциенгезелльшафт | Method of isolating carbon dioxide from smoke gases and respective device |
| RU2472573C2 (en) * | 2007-07-03 | 2013-01-20 | Альстом Текнолоджи Лтд. | Removal of carbon dioxide from ammonium-bearing flue gas |
| US8758484B2 (en) | 2007-07-03 | 2014-06-24 | Alstom Technology Ltd | Removal of carbon dioxide from flue gas with ammonia comprising medium |
| RU2458005C1 (en) * | 2010-12-09 | 2012-08-10 | Государственное образовательное учреждение высшего профессионального образования Российский государственный университет нефти и газа имени И.М. Губкина | Method of recycling carbon dioxide |
| RU217760U1 (en) * | 2023-01-25 | 2023-04-17 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Казанский государственный энергетический университет" | UNIT FOR CAPTURE AND UTILIZATION OF CARBON DIOXIDE GAS |
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