CN109351125A - One kind is for reducing rich CO2The new catalytic desorber of amine aqueous solution regeneration energy consumption - Google Patents

One kind is for reducing rich CO2The new catalytic desorber of amine aqueous solution regeneration energy consumption Download PDF

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CN109351125A
CN109351125A CN201811099663.8A CN201811099663A CN109351125A CN 109351125 A CN109351125 A CN 109351125A CN 201811099663 A CN201811099663 A CN 201811099663A CN 109351125 A CN109351125 A CN 109351125A
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catalyst
catalytic
desorber
reactor
aqueous solution
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梁志武
张晓文
黄玉飞
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Hunan University
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Hunan University
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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
    • B01D53/14—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 absorption
    • B01D53/1456—Removing acid components
    • B01D53/1475—Removing carbon dioxide
    • 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
    • B01D53/14—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 absorption
    • B01D53/1425—Regeneration of liquid absorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
    • B01D2252/20—Organic absorbents
    • B01D2252/204—Amines

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Gas Separation By Absorption (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The invention discloses a kind of new catalytic desorbers for reducing carbon dioxide enriched amine aqueous solution regeneration energy consumption, compared to traditional desorber, catalytic reactor is introduced into traditional CO2 desorption process by the present invention, process flow, layout of beam line and heating method etc. without changing traditional desorber.Wherein filling solid catalyst in catalytic reactor, rich co2 amine aqueous solution is entered from reactor bottom by the effect of pump, by coming into full contact with for catalyst and amine aqueous solution, so that the performance of catalyst maximizes the use.New catalytic desorption apparatus is mainly made of catalytic reactor and packed tower.The introducing of acidic catalyst accelerates the regeneration rate of rich carbon amine solvent, reduces its regeneration temperature, to realize that high-efficiency low energy consumption regenerates the purpose of rich carbon amine solvent.The new catalytic desorber catalytic performance is higher than present catalysis desorber and traditional desorber.

Description

One kind is for reducing rich CO2The new catalytic desorber of amine aqueous solution regeneration energy consumption
Technical field
The present invention relates to a kind of for the carbon dioxide enriched regenerated new catalytic desorber of amine aqueous solution.
Background technique
In recent years, because of a large amount of uses of the fossil energies such as coal, petroleum and natural gas, greenhouse effects is caused to get worse, The survival and development of the Global Climate Changes threat mankind of initiation, and carbon dioxide (CO2) it is most important greenhouse gases One of.
Existing carbon capture technique mainly includes capture before burning, oxygen-enriched combusting capture and captures these three skills after burning Art, wherein capture technique is current most mature, most widely used carbon capture technique after burning, post combustion carbon capture technology is main There are chemical absorption method, physisorphtion and membrane separation process etc..In chemical solvent absorption method, organic amine solvent is because of its fast absorption speed The characteristics such as rate, big absorptive capacity and renewable performance and be widely used in industrial-scale production.
Chemical absorption method, principle are by chemically reacting in the selective absorption and separation flue gas of alkalinity using organic amine CO2.For repeated recycling utilize organic amine solvent, the general CO removed using stripping process in rich solution amine solvent2, make rich carbon Absorbent is regenerated.Fig. 1 show traditional rich CO2Amine solvent regeneration technology flow chart.It mainly includes desorber, condensation Device, tower bottom reboiler, poor rich liquid heat exchanger and pump.Primary operational process is to absorb CO2Rich solution through rich solution pump pressurization send to Poor rich liquid heat exchanger carries out heat exchange with the regeneration lean solution of desorber bottom discharge, reaches and enter desorption from top after certain temperature Tower is sprayed after liquid phase distributor at the top of desorber into tower, and tower bottom reboiler, which provides enough water vapours for rich solution desorption, makes richness Liquid load drops to required range.Lean solution after desorption is flowed out by desorber bottom, after the heat exchange of rich or poor liquid, is pumped to lean solution Cooler is cooled to required temperature.Lean solution after cooling returns to absorption tower and is recycled.
As described above, traditional rich carbon amine solvent regenerative process needs to consume a large amount of energy consumption, it is mainly due to from rich solution Solvent strips CO2Required heat.According to related document report, the energy consumption for solvent reclamation accounts for CO2Total stream of acquisition equipment 60% or more (the Idem et al.Ind.Eng.Chem.Res.2006,45 (8), 2414-2420.) that journey expends.Early period is reported Reduction regeneration energy consumption patent and document in, be all the optimization concentrated on to existing regeneration technology process and portion of energy returned It receives and utilizes, have biggish gap (Liang et al.Int.J.Greenhouse Gas from theoretical regeneration energy consumption value Control,2015,34:75-84；Rochelle G T.Science,2009,325(5948):1652-1654.).
Therefore, develop a kind of novel, efficient rich carbon amine solvent regenerating unit and method, promote rich carbon solution regeneration speed Rate, the regeneration energy consumption for reducing rich carbon amine solvent, and then reduce desorber scale, reduce CO2It is very necessary for capturing cost.? In previous work, by the basic research of batch-type system, we demonstrate typical solid acid catalyst such as molecular sieve catalytic Agent HZSM-5, SAPO-34, exceed the time limit solid acid and its mixed catalyst to all have the rich carbon monoethanolamine (MEA) of good catalysis molten The regenerated performance of liquid can significantly reduce regeneration energy consumption (Liang et al.AlChE J., 2016,62 (3): 753- of MEA 765；Zhang et al.Appl.Energy 2017(202):673–684；Liu et al.Ind.Eng.Chem.Res., 2017 56(27):7656-7664；Zhang et al.Appl.Energy 2018(218)417–429).But how will consolidate Body acid catalyst is coupled with traditional desorber, can efficiently carry out industrial amplification, and be applied to industrial production In, it is the main problem faced at present.Canadian Univ Regina professor Idem etc. proposes a kind of by solid acid catalyst After inert particle mixing, scattered heap is loaded on the method in traditional CO2 desorber, but there are gas-liquid mass transfers for the type of feed Can be poor, gas-liquid-solid three-phase contact area is small, the lower problem of the utilization efficiency and catalysis desorption system efficiency of catalyst (Srisang et al.Chem.Eng.Sci.,2017(170):48-57.).Thus, by catalyst simultaneous interpretation with suitable process The CO2 desorber of system is coupled, and the catalysis desorption performance of the utilization efficiency and catalysis desorption system that improve catalyst has pole Big industrial value.
Summary of the invention
Present invention solves the technical problem that be, by using the coupling technique of novel catalyst and traditional desorber, into One step lowers richness CO2Amine aqueous solution regeneration energy consumption, and then reduce CO2Capture cost.
It a kind of is urged the technical scheme is that providing for reducing carbon dioxide enriched the novel of amine aqueous solution regeneration energy consumption Change desorber, the catalysis desorber is catalytic reactor to be introduced into traditional CO2 desorption process, without changing tradition desorption Process flow, layout of beam line and heating method of tower etc..Wherein filling solid catalyst in catalytic reactor, rich co2 amine aqueous solution Enter from reactor bottom by the effect of pump, by coming into full contact with for catalyst and amine aqueous solution, so that the performance of catalyst obtains It is utilized to maximized.New catalytic desorption apparatus is mainly made of catalytic reactor and packed tower, and catalytic reactor is by two sections Independent catalytic tower composition.
Further, catalysis desorber main flow is as follows: after rich amine solution passes through packed tower first layer packing layer, entering Catalytic reactor 1 desorbs and then is entered by catalysis packed tower second layer filler, catalytic reactor is entered back into after reaction 2, it is catalyzed desorption process again, subsequently into packed tower the last layer filler.
Further, it is catalyzed in desorber, packed tower is made of stainless steel material, is divided into 3 packing layers, is passed through Flange is attached, and independent can carry out handling filler operation.
Further, it is catalyzed tower body height and filler in packed column layer height proportional region is: 0.2-1.
Further, the material of catalyst reactor can be glass and stainless steel.
Further, in catalyst reactor, single catalyst granules, or filling different catalysts can be loaded Mixing or loading catalyst particle and inert particle mixing, wherein inert particle can be bead, quartz sand and The inert particulate materials such as inert ceramic balls.
Further, in catalyst reactor 1 and 2, same catalyst can be used and loaded, also can be used not Same catalyst is loaded, to reach the synergistic effect of different catalysts catalytic performance.
Further, the mass ratio range of catalyst amount and amine aqueous solution is 0-1 in catalyst reactor.
Further, heat medium can be the conduction oil in traditional desorption technique in reboiler, be also possible to water, desorption 85-120 DEG C of regeneration temperature range.
Common solid acid catalyst includes: molecular sieve catalyst, such as HZSM-5, γ-Al2O3Deng；Superpower solid acid is such as SO4 2-/TiO2, SO4 2-/ZrO2Deng；Transition metal oxide such as TiO2, V2O5It is absorbed etc. being easy to be separated by solid-liquid separation and do not influence amine solvent The solid acid catalyst of performance and its their mixture.
The common organic amine solvent for adsorbing carbon dioxide includes: monoethanolamine (MEA), diethanol amine (DEA), and three Ethanol amine (TEOA), N methyldiethanol amine (MDEA), the tradition such as 2-amino-2-methyl-1-propanol (AMP) and piperazine (PZ) is often Amine solvent and novel amine solvent, such as 4- (diethylin) -2- butanol (DEAB), diethylenetriamine (DETA), diethylamine Base ethyl alcohol (DEAE) etc. and its binary or ternary and the multiple mixed solvent such as MEA-DEAB and MEA-AMP-PZ of various amine etc..； The concentration range of amine solvent is 1-7mol/L.
The beneficial effects of the present invention are:
(1) catalytic reactor simple process, low cost.
(2) it carries out on the basis of traditional CO2 desorber compared with minor modification, cost is small.
(3) catalysis desorption performance is superior, and catalytic performance is higher than traditional desorber.
(4) carbon dioxide absorption of amine aqueous solution can be influenced small.
Detailed description of the invention
Fig. 1 shows traditional carbon dioxide enriched amine aqueous solution desorption technique flow charts.
The process flow chart of Fig. 2 expression carbon dioxide enriched amine aqueous solution desorption apparatus of new catalytic.
Specific embodiment
Embodiment 1
The 5M monoethanolamine (MEA) for the use of catalysis desorption apparatus of the invention being 0.5mol/mol amine to rich solution load Carry out catalysis desorption.Catalysis desorber composition is as follows, and tower body is made of stainless steel, and tower internal diameter is 35mm, and packed height 0.6m is filled out Material is structured packing；Two catalyst reactors height is 0.3m, and the mass ratio of catalyst and amine aqueous solution is 1/80.It uses Solid acid catalyst is HZSM-5, γ-Al2O3With SAPO-34 molecular sieve catalyst.Heat medium is conduction oil, and desorption temperature is 95 DEG C, liquid inventory 6m3/m2。
Solvent desorption energy consumption (Qreg, kJ/kg CO2) calculated by two parts numerical value, i.e. reboiler heat duty (Hreb,kJ/h) And CO2Mass flowrate (the m of gasCO2, kg/h) ratio.
Wherein, Hloss: system energy loss, kJ/h
Heat consumed by solution stripping is all provided by conduction oil, calculation formula:
Hreb=moilCoil.f(Tin-TOUT) (2)
Wherein, moil: the mass flowrate of conduction oil, kg/h
Coil,f: the specific heat capacity of conduction oil under experimental conditions, kJ/ (kg DEG C)
Tin, Tout: it is respectively temperature of the conduction oil in reboiler inlet and outlet, DEG C
CO2The mass flowrate calculation formula of gas:
Wherein, namine: the molar flow rate of amine aqueous solution, kmol/h
MCO2: CO2Formula weight, g/mol
αrich, αlean: it is respectively the rich solution load and lean solution load of amine aqueous solution, mol CO2/mol amine.
Experimental result, which shows each catalyst, can substantially reduce the desorption energy consumption of MEA, and minimum desorption is shown with HZSM-5 Secondly energy consumption is respectively γ-Al2O3And SAPO-34.Energy consumption is desorbed relative to blank MEA, HZSM-5 mixed catalyst can drop Low regeneration energy consumption 40% or so, γ-Al2O3Its regeneration energy consumption 30% and 33% can be reduced respectively with SAPO-34.
Embodiment 2
Use the monoethanolamine for the 6M that catalysis desorption apparatus of the invention is 0.5mol/mol amine to rich solution load (MEA) and 4- (diethylin) -2- butanol (DEAB) mixing amine aqueous solution (molar ratio 5:1) carries out catalysis desorption, in order to compare Research is that (i.e. rich amine solution does not flow through catalysis reaction for 0.5mol/mol amine5M MEA progress blank desorption to rich solution load Device).It desorbs tower structure and embodiment 1 is identical.The solid acid catalyst used is HZSM-5, γ-Al2O3With HZSM-5/ γ- Al2O3Mixed catalyst.Heat medium is tap water, and desorption temperature is set as 95 DEG C, liquid inventory 6m3/m2.Solvent desorption Energy consumption (Qreg, kJ/kg CO2) calculated by two parts numerical value, i.e. reboiler heat duty (Hreb, kJ/h) and CO2The quality stream of gas Rate (mCO2, kg/h) ratio, calculation method is the same as example 1.
Experimental result shows that each catalyst can substantially reduce rich CO2The desorption energy consumption of amine aqueous solution, wherein with HZSM-5/ γ-Al2O3It shows minimum desorption energy consumption, is secondly respectively HZSM-5, γ-Al2O3.Energy consumption is desorbed relative to blank MEA, MEA-DEAB mixed solution and HZSM-5/ γ-Al2O3The combination of mixed catalyst can reduce regeneration energy consumption 60% or so, display Optimal catalytic regeneration performance.

Claims (9)

1. a kind of new catalytic desorber for reducing carbon dioxide enriched amine aqueous solution regeneration energy consumption, it is characterised in that will be catalyzed Reactor is introduced into traditional CO2 desorption process, process flow, layout of beam line and heating method without changing traditional desorber Deng.Wherein filling solid catalyst in catalytic reactor, rich co2 amine aqueous solution are entered by the effect of pump from reactor bottom, are led to Coming into full contact with for catalyst and amine aqueous solution is crossed, so that the performance of catalyst maximizes the use.New catalytic desorption apparatus It is mainly made of catalytic reactor and packed tower, catalytic reactor is made of two sections of independent catalytic towers.
2. content according to claim 1, which is characterized in that its main flow is as follows: rich amine solution passes through packed tower first After layer packing layer, into catalytic reactor 1, packed tower second layer filler is desorbed and then entered by catalysis, after reaction again Into catalytic reactor 2, it is catalyzed desorption process again, subsequently into packed tower the last layer filler.
3. content according to claim 1, which is characterized in that in the catalysis desorber, packed tower is by stainless steel material group At, be divided into 3 packing layers, be attached by flange, independent can carry out handling filler operation.
4. content according to claim 1, which is characterized in that catalysis tower body height and filler in packed column layer height proportional region It is: 0.2-1.
5. content according to claim 1, which is characterized in that the material of catalyst reactor can be glass and stainless steel.
6. content according to claim 1, which is characterized in that in catalyst reactor, single catalyst particles can be loaded Grain loads the mixing of different catalysts or the mixing of loading catalyst particle and inert particle, wherein inertia grain Son can be the inert particulate materials such as bead, quartz sand and inert ceramic balls.
7. content according to claim 1, which is characterized in that in catalyst reactor 1 and 2, same catalysis can be used Agent is loaded, and different catalyst also can be used and loaded, to reach the synergistic effect of different catalysts catalytic performance.
8. content according to claim 1, which is characterized in that the quality of catalyst amount and amine aqueous solution in catalyst reactor Proportional region is 0-1.
9. content according to claim 1, which is characterized in that heat medium can be in traditional desorption technique in reboiler Conduction oil is also possible to water, 85-120 DEG C of desorption and regeneration temperature range.
CN201811099663.8A 2018-09-20 2018-09-20 One kind is for reducing rich CO2The new catalytic desorber of amine aqueous solution regeneration energy consumption Pending CN109351125A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113491946A (en) * 2020-04-08 2021-10-12 中石化南京化工研究院有限公司 Absorbent regeneration equipment and regeneration method
CN113731489A (en) * 2021-09-10 2021-12-03 湖南大学 Ionic liquid catalyst for regeneration of carbon dioxide-rich amine solution
CN113856412A (en) * 2021-08-25 2021-12-31 南京工业大学 Method and device for desorbing carbon dioxide by using alcohol amine rich solution
CN114160113A (en) * 2021-12-07 2022-03-11 南京大学 Titanium-zirconium bimetallic oxide catalyst for reinforcing carbon dioxide desorption and application thereof
CN114699883A (en) * 2022-04-22 2022-07-05 浙江大学 Catalyst-synergistic external field-enhanced carbon dioxide low-energy-consumption desorption system and method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100319532A1 (en) * 2009-06-17 2010-12-23 Mitsubishi Heavy Industries, Ltd. Co2 recovery apparatus and co2 recovery method
CN102198368A (en) * 2010-03-26 2011-09-28 巴布科克和威尔科克斯能量产生集团公司 Chemical compounds for the removal of carbon dioxide from gases
JP2016129877A (en) * 2015-01-14 2016-07-21 株式会社東芝 Acid gas absorbent, acid gas removal method and acid gas removal device
CN107519824A (en) * 2017-10-10 2017-12-29 天津市新天进科技开发有限公司 A kind of combined type high flux catalytic distillation tower member

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100319532A1 (en) * 2009-06-17 2010-12-23 Mitsubishi Heavy Industries, Ltd. Co2 recovery apparatus and co2 recovery method
CN102198368A (en) * 2010-03-26 2011-09-28 巴布科克和威尔科克斯能量产生集团公司 Chemical compounds for the removal of carbon dioxide from gases
JP2016129877A (en) * 2015-01-14 2016-07-21 株式会社東芝 Acid gas absorbent, acid gas removal method and acid gas removal device
CN107519824A (en) * 2017-10-10 2017-12-29 天津市新天进科技开发有限公司 A kind of combined type high flux catalytic distillation tower member

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WAYUTA SRISANG等: "Evaluation of the heat duty of catalyst-aided amine-based post combustion CO2 capture", 《CHEMICAL ENGINEERING SCIENCE》 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113491946A (en) * 2020-04-08 2021-10-12 中石化南京化工研究院有限公司 Absorbent regeneration equipment and regeneration method
CN113491946B (en) * 2020-04-08 2023-04-11 中国石油化工股份有限公司 Absorbent regeneration equipment and regeneration method
CN113856412A (en) * 2021-08-25 2021-12-31 南京工业大学 Method and device for desorbing carbon dioxide by using alcohol amine rich solution
CN113731489A (en) * 2021-09-10 2021-12-03 湖南大学 Ionic liquid catalyst for regeneration of carbon dioxide-rich amine solution
CN114160113A (en) * 2021-12-07 2022-03-11 南京大学 Titanium-zirconium bimetallic oxide catalyst for reinforcing carbon dioxide desorption and application thereof
CN114699883A (en) * 2022-04-22 2022-07-05 浙江大学 Catalyst-synergistic external field-enhanced carbon dioxide low-energy-consumption desorption system and method

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