RU2008129692A - METHOD OF SHORT-DIGITAL NON-HEATING ADSORPTION FOR REMOVING CARBON DIOXIDE - Google Patents

METHOD OF SHORT-DIGITAL NON-HEATING ADSORPTION FOR REMOVING CARBON DIOXIDE Download PDF

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RU2008129692A
RU2008129692A RU2008129692/15A RU2008129692A RU2008129692A RU 2008129692 A RU2008129692 A RU 2008129692A RU 2008129692/15 A RU2008129692/15 A RU 2008129692/15A RU 2008129692 A RU2008129692 A RU 2008129692A RU 2008129692 A RU2008129692 A RU 2008129692A
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pressure
adsorption
adsorbent
carbon dioxide
desorption
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Марк М. ДЕЙВИС (US)
Марк М. ДЕЙВИС
Джон Дж. ЛОУ (US)
Джон Дж. ЛОУ
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Юоп Ллк (Us)
Юоп Ллк
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/20—Organic adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/20—Organic adsorbents
    • B01D2253/204—Metal organic frameworks (MOF's)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/30—Physical properties of adsorbents
    • B01D2253/302—Dimensions
    • B01D2253/306—Surface area, e.g. BET-specific surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/30—Physical properties of adsorbents
    • B01D2253/302—Dimensions
    • B01D2253/308—Pore size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/24—Hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/24—Hydrocarbons
    • B01D2256/245—Methane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/50—Carbon oxides
    • B01D2257/504—Carbon dioxide
    • 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
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40077—Direction of flow
    • B01D2259/40081—Counter-current
    • 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

Abstract

1. Способ короткоцикловой безнагревной адсорбции для удаления диоксида углерода из потока углеводородных исходных материалов, включающий: ! (а) пропускание потока исходных материалов, содержащих диоксид углерода и углеводород, над адсорбентом, где адсорбент включает материал с металлоорганической каркасной структурой (MOF), в зоне адсорбции при температуре и давлении адсорбции, достаточных для адсорбции по меньшей мере части диоксида углерода в потоке исходных материалов и образование выходящего углеводородного потока, имеющего сниженное содержание диоксида углерода, дальнейшее пропускание потока исходных материалов над адсорбентом до тех пор, пока адсорбент в значительной степени не достигнет своей адсорбционной емкости; ! (б) уменьшение давления в зоне адсорбции до давления десорбции и на время, достаточное для десорбции по меньшей мере части диоксида углерода, удаление выходящего потока десорбции, имеющего повышенное содержание диоксида углерода; и ! повторное увеличение давления в зоне адсорбции до давления адсорбции и повторение стадий (а) и (б). ! 2. Способ по п.1, в котором пропускающий продувочный поток над адсорбентом во время стадии десорбции. ! 3. Способ по п.1 или 2, в котором зона адсорбции включает множество слоев адсорбента, включающих адсорбент, где обеспечена циклическая работа слоев адсорбента при помощи давления адсорбции и давления десорбции последовательным образом. ! 4. Способ по п.3, в котором циклическая работа слоев адсорбента включает прохождение слоев адсорбции через зону адсорбции и зону десорбции. ! 5. Способ по п.3, в котором циклическая работа слоев адсорбента включает: ! создание изб�1. A method of pressure swing adsorption for removing carbon dioxide from a stream of hydrocarbon feedstock, including:! (a) passing a feed stream containing carbon dioxide and hydrocarbon over the adsorbent, wherein the adsorbent comprises an organometallic framework (MOF) material, in the adsorption zone at an adsorption temperature and pressure sufficient to adsorb at least a portion of the carbon dioxide in the feed stream materials and the formation of a hydrocarbon effluent stream having a reduced content of carbon dioxide, further passing the feed stream over the adsorbent until the adsorbent substantially reaches its adsorption capacity; ! (b) reducing the pressure in the adsorption zone to the desorption pressure and for a time sufficient to desorb at least a portion of the carbon dioxide, removing the desorption effluent having an increased carbon dioxide content; and! repeated increase in pressure in the adsorption zone to the adsorption pressure and repeating steps (a) and (b). ! 2. The method of claim 1, wherein the purge stream is passed over the adsorbent during the desorption step. ! 3. A method according to claim 1 or 2, wherein the adsorption zone comprises a plurality of adsorbent beds, including an adsorbent, wherein the adsorbent beds are cycled by the adsorption pressure and the desorption pressure in a sequential manner. ! 4. The method of claim 3, wherein cycling the adsorbent beds comprises passing the adsorption beds through an adsorption zone and a desorption zone. ! 5. The method according to claim 3, wherein the cyclic operation of the adsorbent beds comprises:! creation of a hut

Claims (10)

1. Способ короткоцикловой безнагревной адсорбции для удаления диоксида углерода из потока углеводородных исходных материалов, включающий:1. The method of short-cycle heat-free adsorption to remove carbon dioxide from a stream of hydrocarbon feed materials, including: (а) пропускание потока исходных материалов, содержащих диоксид углерода и углеводород, над адсорбентом, где адсорбент включает материал с металлоорганической каркасной структурой (MOF), в зоне адсорбции при температуре и давлении адсорбции, достаточных для адсорбции по меньшей мере части диоксида углерода в потоке исходных материалов и образование выходящего углеводородного потока, имеющего сниженное содержание диоксида углерода, дальнейшее пропускание потока исходных материалов над адсорбентом до тех пор, пока адсорбент в значительной степени не достигнет своей адсорбционной емкости;(a) passing a stream of starting materials containing carbon dioxide and hydrocarbon over the adsorbent, where the adsorbent comprises a material with an organometallic frame structure (MOF) in the adsorption zone at an adsorption temperature and pressure sufficient to adsorb at least a portion of the carbon dioxide in the starting stream materials and the formation of an output hydrocarbon stream having a reduced content of carbon dioxide, further passing the feed stream over the adsorbent until the adsorbent is significantly the first degree does not reach its adsorption capacity; (б) уменьшение давления в зоне адсорбции до давления десорбции и на время, достаточное для десорбции по меньшей мере части диоксида углерода, удаление выходящего потока десорбции, имеющего повышенное содержание диоксида углерода; и(b) reducing the pressure in the adsorption zone to a desorption pressure and for a time sufficient to desorb at least a portion of the carbon dioxide, removing the desorption effluent having a high content of carbon dioxide; and повторное увеличение давления в зоне адсорбции до давления адсорбции и повторение стадий (а) и (б).a repeated increase in pressure in the adsorption zone to the adsorption pressure and the repetition of stages (a) and (b). 2. Способ по п.1, в котором пропускающий продувочный поток над адсорбентом во время стадии десорбции.2. The method of claim 1, wherein the purge flow is passed over the adsorbent during the desorption step. 3. Способ по п.1 или 2, в котором зона адсорбции включает множество слоев адсорбента, включающих адсорбент, где обеспечена циклическая работа слоев адсорбента при помощи давления адсорбции и давления десорбции последовательным образом.3. The method according to claim 1 or 2, in which the adsorption zone includes many layers of adsorbent, including adsorbent, where cyclic operation of the adsorbent layers is ensured by the adsorption pressure and desorption pressure in a sequential manner. 4. Способ по п.3, в котором циклическая работа слоев адсорбента включает прохождение слоев адсорбции через зону адсорбции и зону десорбции.4. The method according to claim 3, in which the cyclic operation of the adsorbent layers includes the passage of the adsorption layers through the adsorption zone and the desorption zone. 5. Способ по п.3, в котором циклическая работа слоев адсорбента включает:5. The method according to claim 3, in which the cyclic operation of the adsorbent layers includes: создание избыточного давления в первом слое до давления адсорбции и сбрасывание давления во втором слое до давления десорбции;creating excess pressure in the first layer to the pressure of adsorption and depressurization in the second layer to the pressure of desorption; переключение текущих потоков от первого слоя ко второму слою, и от второго слоя к первому слою; иswitching current flows from the first layer to the second layer, and from the second layer to the first layer; and создание избыточного давления во втором слое до давления адсорбции при сбрасывании давления в первом слое до давления десорбции.the creation of excess pressure in the second layer to the adsorption pressure when depressurizing in the first layer to the desorption pressure. 6. Способ по любому из пп.1-2, который дополнительно включает:6. The method according to any one of claims 1 to 2, which further includes: прохождение выходящего потока через вторую зону адсорбции при температуре и давлении, достаточных для адсорбции по меньшей мере части диоксида углерода в выходящем потоке, где зона адсорбции содержит адсорбент, включающий металлоорганическую каркасную структуру (MOF), и образование второго выходящего потока, имеющего сниженное содержание диоксида углерода; иthe passage of the effluent through the second adsorption zone at a temperature and pressure sufficient to adsorb at least a portion of the carbon dioxide in the effluent, where the adsorption zone contains an adsorbent comprising an organometallic skeleton structure (MOF), and the formation of a second effluent having a reduced carbon dioxide content ; and снижение давления в зоне адсорбции до давления десорбции, достаточного для десорбции по меньшей мере части диоксида углерода, при десорбции выходящего потока десорбции, имеющего увеличенное содержание диоксида углерода.reducing the pressure in the adsorption zone to a desorption pressure sufficient to desorb at least a portion of the carbon dioxide while desorbing the desorption effluent having an increased carbon dioxide content. 7. Способ по любому из пп.1-2, в котором материал MOF включает систематически образованную металлоорганическую каркасную структуру, содержащую совокупность структурных элементов металла, оксида металла, кластера металла или кластера оксида металла, и органическое соединение, связывающее соседние структурные элементы, где связывающее соединение включает линейный дикарбоксилат, содержащий по меньшей мере одну замещенную фенильную группу.7. The method according to any one of claims 1 to 2, in which the MOF material includes a systematically formed organometallic frame structure comprising a combination of structural elements of a metal, metal oxide, metal cluster or metal oxide cluster, and an organic compound that binds adjacent structural elements, where the compound includes a linear dicarboxylate containing at least one substituted phenyl group. 8. Способ по любому из пп.1-2, в котором MOF выбран из группы, состоящей из MOF-5, материала, имеющего общую формулу Zn4O(1,4-бензендикарбоксилат)3; IRMOF-6, материала, имеющего общую формулу Zn4O(циклобутил 1,4-бензендикарбоксилат); IRMOF-3, материала, имеющего общую формулу Zn4O(2-амино 1,4-бензендикарбоксилат)3; и IRMOF-11, материала, имеющего общую формулу Zn4O(терфенил дикарбоксилат)3, или Zn4O(тетрагидропирен 2,7-дикарбоксилат)3; IRMOF-8, материала, имеющего общую формулу Zn4O(2,6 нафтален дикарбоксилат)3; MOF-177, материала, имеющего общую формулу Zn4O(l,3,5-бензентрибензоат)3; и их смесей.8. The method according to any one of claims 1 to 2, in which the MOF is selected from the group consisting of MOF-5, a material having the general formula Zn 4 O (1,4-benzene dicarboxylate) 3 ; IRMOF-6, a material having the general formula Zn 4 O (cyclobutyl 1,4-benzene dicarboxylate); IRMOF-3, a material having the general formula Zn 4 O (2-amino 1,4-benzene dicarboxylate) 3 ; and IRMOF-11, a material having the general formula Zn 4 O (terphenyl dicarboxylate) 3 , or Zn 4 O (tetrahydropyrene 2,7-dicarboxylate) 3 ; IRMOF-8, a material having the general formula Zn 4 O (2.6 naphthalene dicarboxylate) 3 ; MOF-177, a material having the general formula Zn 4 O (l, 3,5-benzene tribenzoate) 3 ; and mixtures thereof. 9. Способ по любому из пп.1-2, в котором температура эксплуатируется от 0 до 400°С, давление адсорбции от 2 МПа (20 атм) до 5 МПа (50 атм), а давление десорбции от 100 кПа (1 атм) до 1,5 МРа (15 атм).9. The method according to any one of claims 1 to 2, in which the temperature is operated from 0 to 400 ° C, the adsorption pressure from 2 MPa (20 atm) to 5 MPa (50 atm), and the desorption pressure from 100 kPa (1 atm) up to 1.5 MPa (15 atm). 10. Способ по любому из пп.1-2, в котором повторно увеличивают давление в выходящем потоке десорбции. 10. The method according to any one of claims 1 to 2, in which re-increase the pressure in the outlet stream of desorption.
RU2008129692/15A 2005-12-21 2006-12-13 METHOD OF SHORT-DIGITAL NON-HEATING ADSORPTION FOR REMOVING CARBON DIOXIDE RU2008129692A (en)

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