CN105536519A - VOC purification separation method - Google Patents

VOC purification separation method Download PDF

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Publication number
CN105536519A
CN105536519A CN201510962888.1A CN201510962888A CN105536519A CN 105536519 A CN105536519 A CN 105536519A CN 201510962888 A CN201510962888 A CN 201510962888A CN 105536519 A CN105536519 A CN 105536519A
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fento
molecular sieve
voc
coated
paper
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张会平
向欢
鄢瑛
刘鹏飞
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South China University of Technology SCUT
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South China University of Technology SCUT
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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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
    • 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
    • B01D53/0407—Constructional details of adsorbing systems
    • 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
    • B01D2253/10—Inorganic 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
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/102—Carbon
    • 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
    • B01D2253/34—Specific shapes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/708—Volatile organic compounds V.O.C.'s

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

The invention relates to the technical field of air purification, and discloses a VOC purification separation method. According to the VOC purification separation method, air containing VOC organic waste gas is delivered through a structured fixed bed with coupled functions of absorption and catalysis, such that the air containing VOC organic waste gas is subjected to purification separation, and purified air is obtained. The structured fixed bed is packed with particulate materials and a gradient material. According to the method provided by the invention, with the absorption-catalysis coupled structured fixed bed, bed layer pressure drop can be substantially reduced, heat and mass transfer efficiency can be enhanced, absorption rate and reaction contact efficiency can be improved, particulate absorption/catalyst wear can be effectively reduced, and cost can be reduced. Therefore, an effective solution is provided for solving the problems of traditional particle-packed fixed beds. With the method provided by the invention, air can be effectively purified.

Description

A kind of VOC purification and separation method
Technical field
The present invention relates to technical field of air purification, be specifically related to a kind of VOC purification and separation method.
Background technology
Along with modernization industry and socioeconomic fast development, the living standard of people improves constantly, and meanwhile, more and more seriously, especially air pollution problems inherent, directly destroys the ecosystem to problem of environmental pollution and harm humans is healthy.VOC (VOC) is one of main air pollutants, and being mainly derived from the industries such as petrochemical industry, industrial solvent, refuse disposal, communications and transportation, paint, coating and printing and dyeing, is the main producers thing of PM2.5.National government and environmental administration pay much attention to its problem of environmental pollution brought, and the discharge standard of VOC is constantly adding sternly.Therefore, the pollution problem of administering VOC is extremely urgent.
The processing method of current VOC mainly contains Physical, chemical method and bioanalysis, and wherein Physical comprises condensation method, absorption process, membrane separation process and absorption method etc., and chemical method mainly comprises Production by Catalytic Combustion Process, direct combustion method and photocatalytic method.Absorption method and Production by Catalytic Combustion Process easy and simple to handle, energy consumption is low, and purification efficiency is high, and the strong and environmental friendliness of applicability, gets more and more people's extensive concerning.
The human hairs such as Zhang Delin understand a kind of air filter (Chinese application number 200510025201.8 eliminating VOC, publication number CN1853759A), VOC is fast and effeciently decomposed under the photocatalysis of nano titanium oxide, reaches the object of filtered air.The electro-biometric of a kind of VOC of patent application waste gas of the people such as Sha Haolei drips filtering purifying apparatus (Chinese application number 201410004705.0, publication number CN103736374A; China application number 201410152496.4, publication number CN103920377A) in disclose a kind of method utilizing electro-catalysis and microbial reaction synergistic purification exhaust emission, the method makes the degradation efficiency of VOC increase substantially.Zhong Zhaoxiang, the human hairs such as Zhang Feng understand a kind of embrane method air purifier (Chinese application number 201410756508.4, publication number CN104534567A), under light source effect, adopt superfine nano catalysis material modified activated carbon to carry out Adsorption and decomposition to VOC, realize the comprehensive purification to air with this.At a kind of heterogeneous strong oxygen catalytic reaction complete set of equipments (Chinese application number 201510574741.5 for the treatment of VOC organic exhaust gas of the patent application of Li Hong, publication number CN105107348A) in, VOC organic exhaust gas is first separated through coating cloud, under the effect of modification strong oxygen water, carry out strong oxygen decomposition again, finally discharge from outlet.Have not yet to see to adopt and absorption and catalysis are coupled in one, bed mass transfer heat transmission resistance can be reduced, improve the method for VOC in the structuring fixed bed purification separation air of the rate of adsorption and reaction contacting efficiency.
The present invention is directed to existing VOC process for purifying Problems existing and deficiency, propose a kind of VOC purification separation new technology, thus provide a kind of effective solution for administering the pollution problem of VOC in air at present.
Summary of the invention
The object of the invention is the deficiency for VOC purification method, a kind of new VOC purification and separation method is provided.It is more even that this method makes fluid flow, and bed resistance is effectively reduced, and mass-and heat-transfer efficiency is significantly strengthened, and the rate of adsorption and reaction contacting efficiency are improved significantly, and realize the comprehensive purifying to VOC organic exhaust gas in air.
Object of the present invention is achieved through the following technical solutions:
A kind of VOC purification and separation method, carries out purification separation by the structuring fixed bed that the air containing VOC organic exhaust gas is coupled in one by absorption and catalysis, realizes the purification to air.The structural representation of described structuring fixed bed as shown in Figure 1.
When described structuring fixed bed carries out adsorption operations, gas flow rate is 1 ~ 4L/min, and operating temperature is 10 ~ 50 DEG C, and pressure is 0.1 ~ 0.6MPa; When carrying out catalyst operation, gas space velocity is 3000 ~ 20000h -1, operating temperature is 150 ~ 400 DEG C, and pressure is 0.1 ~ 0.3MPa.
Described VOC organic exhaust gas is one or more in methane, ethane, propane, carrene, chloroform, isopropyl alcohol, acetone, ethyl acetate, benzene, toluene and dimethylbenzene.
Granular materials and functionally gradient material (FGM) is filled with in described structuring fixed bed; Described granular materials is more than one in granulin molecule sieve adsorbant, granulin molecule sieve catalyst, seed activity carbon adsorbent or seed activity Pd/carbon catalyst; Described functionally gradient material (FGM) is paper-like gradient metal fento composite molecular sieve film sorbing material, paper-like gradient metal fento composite molecular sieve film catalysis material, more than one in fento coated molecular sieve adsorption material, the coated molecular sieve catalytic material of fento, the coated active carbon adsorption material of fento or the coated activated carbon catalysis material of fento.
Described catalyst cupport has metal oxide, and described metal oxide is can the metal oxide of catalysis VOC organic exhaust gas.
Described granulin molecule sieve adsorbant and granulin molecule sieve catalyst Middle molecule sieve are LTA type, MFI type or FAU type.
Described paper-like gradient metal fento composite molecular sieve film sorbing material and paper-like gradient metal fento composite molecular sieve film catalysis material Middle molecule sieve membrane are LTA type, MFI type or FAU type.
Described fento coated molecular sieve adsorption material and the coated molecular sieve catalytic material Middle molecule sieve of fento are LTA type, MFI type or FAU type.
In described VOC organic exhaust gas, methane, ethane or propane adopt following adsorbent/sorbing material or the catalyst/catalysis material removal that can remove corresponding paraffins: granulin molecule sieve adsorbant, granulin molecule sieve catalyst, seed activity carbon adsorbent, seed activity Pd/carbon catalyst, paper-like gradient metal fento composite molecular sieve film sorbing material, paper-like gradient metal fento composite molecular sieve film catalysis material, fento coated molecular sieve adsorption material, the coated molecular sieve catalytic material of fento, the coated active carbon adsorption material of fento and/or the coated activated carbon catalysis material of fento; Described granulin molecule sieve adsorbant and granulin molecule sieve catalyst Middle molecule sieve are LTA type, MFI type or FAU type; Described paper-like gradient metal fento composite molecular sieve film sorbing material and paper-like gradient metal fento composite molecular sieve film catalysis material Middle molecule sieve membrane are LTA type, MFI type or FAU type; Described fento coated molecular sieve adsorption material and the coated molecular sieve catalytic material Middle molecule sieve of fento are LTA type, MFI type or FAU type.
Carrene in described VOC organic exhaust gas, chloroform, isopropyl alcohol, acetone, ethyl acetate, benzene, toluene or dimethylbenzene adopt following adsorbent/sorbing material or the catalyst/catalysis material removal that can remove respective substance: granulin molecule sieve adsorbant, granulin molecule sieve catalyst, seed activity carbon adsorbent, seed activity Pd/carbon catalyst, paper-like gradient metal fento composite molecular sieve film sorbing material, paper-like gradient metal fento composite molecular sieve film catalysis material, the coated molecular sieve adsorption material of fento, the coated molecular sieve catalytic material of fento, the coated active carbon adsorption material of fento and/or the coated activated carbon catalysis material of fento, described granulin molecule sieve adsorbant and granulin molecule sieve catalyst Middle molecule sieve are MFI type or FAU type, described paper-like gradient metal fento composite molecular sieve film sorbing material and paper-like gradient metal fento composite molecular sieve film catalysis material Middle molecule sieve membrane are MFI type or FAU type, described fento coated molecular sieve adsorption material and the coated molecular sieve catalytic material Middle molecule sieve of fento are MFI type or FAU type.
In structuring fixed bed, need between granular materials and granular materials to fill functionally gradient material (FGM), be preferably between different granular materials and need to fill functionally gradient material (FGM).When purification separation, granular materials is seated in inlet end.
During absorption/catalysis same VOC organic exhaust gas, preferably, granular materials and functionally gradient material (FGM) are carried out with the use of.
Described granular materials and functionally gradient material (FGM) load according to certain thickness according to respective.
Described paper-like gradient metal fento composite molecular sieve film, the coated molecular sieve of fento and the coated absorbent charcoal composite material of fento are according to patent application (Chinese application number 201210220588.2, publication number CN102728234A; China's application number 201310383259.4, publication number CN103432988B; China application number 200710026410.3, publication number CN101007270A) in preparation method prepare.
Compared with prior art, the present invention has the following advantages:
(1) method technological process of the present invention is simple, and easy to operate, process safety is high, equipment needed thereby small investment, and energy consumption is low, and purification efficiency is high;
(2) absorption and catalysis are coupled in one by what formed by different structuring functionally gradient material (FGM)s by the present invention, and the structuring fixed bed with several functions adsorbs and catalyst operation VOC organic exhaust gas, the VOC in purification separation air;
(3) the structuring fixed bed that method of the present invention adopts can load different structuring gradient absorption and catalysis material according to concrete function demand according to certain thickness proportion, be not only applicable to the VOC in purification separation air, be applicable to CO, NO in purifying air yet xand SO xdeng other poisonous and harmful substances;
(4) structuring fixed bed absorption and catalysis being coupled in one that method of the present invention adopts can significantly reduce bed pressure drop, enhancing mass and heat transfer efficiency, improve the rate of adsorption and reaction contacting efficiency, effectively can also reduce the wearing and tearing of granular absorption/catalyst, reduce costs, the problem of filling existing for fixed bed for solving conventional particles provides effective solution route.
Accompanying drawing explanation
Fig. 1 is the structural representation that absorption of the present invention and catalysis are coupled in the structuring fixed bed of one; Wherein a-granular materials; B, granular materials and/or functionally gradient material (FGM); C, functionally gradient material (FGM);
Fig. 2 is the absorption H103 resin figure of benzene on structuring fixed bed and particle fixed bed in embodiment 1;
Fig. 3 is the absorption H103 resin figure of isopropyl alcohol on the fixed bed of different bed structure in embodiment 2; Wherein GAC is granular activated carbon; ZSM-5/PSSF is paper-like gradient metal fento compound ZSM-5 molecular sieve film;
Fig. 4 be in embodiment 3 on the fixed bed of different bed structure iso-propanol conversion rate variation with temperature curve map; Wherein, Co 2o 3/ ZSM-5 is Co 2o 3/ ZSM-5 molecular sieve particle; Co 2o 3/ ZSM-5/PSSF is paper-like gradient metal fento compound Co 2o 3/ ZSM-5 molecular sieve film;
Fig. 5 is the change curve of bed pressure drop with isopropyl alcohol gas flow rate of different bed structure fixed bed in embodiment 3; Wherein, Co 2o 3/ ZSM-5 is Co 2o 3/ ZSM-5 molecular sieve particle; Co 2o 3/ ZSM-5/PSSF is paper-like gradient metal fento compound Co 2o 3/ ZSM-5 molecular sieve film.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1
By the air containing 4.6mg/L benzene pollution thing under 0.1MPa, pass in the structuring fixed bed that internal diameter is 2cm with the flow velocity of 2L/min and carry out purification separation, fixed bed loads granular activated carbon (particle diameter the is 0.9mm) adsorbent of 4cm thickness successively from inlet end to outlet side, the coated active carbon of fento (particle diameter is 150 ~ 200 μm) sorbing material of 1cm thickness and the paper-like gradient metal fento composite Cu O/13X sieve membrane catalytic material of 1cm thickness, adsorbent is used for removing most of benzene impurity in air, the catalyst of fixed bed end filling is used for catalytic combustion not by the micro-benzene adsorbed, reach the object of the middle nuisance benzene vapour that purifies air completely.
Under similarity condition; in fixed bed, load the identical granule adsorbent of thickness and catalyst successively, the CuO/13X sieve particle catalyst of granular activated carbon (particle diameter the is 0.9mm) adsorbent and 1cm thickness that namely load 5cm thickness adsorbs and Catalysis experiments unstripped gas.
The absorption H103 resin result of the benzene vapour obtained in two kinds of situations on structuring fixed bed and particle fixed bed (front 5cm height) as shown in Figure 2.As can be seen from the figure; because activated carbon particle size coated in the coated active carbon adsorption material of fento is little compared with seed activity carbon adsorbent particle diameter; its adsorption capacity is larger, therefore longer than granular activated carbon fixed bed through the time on the structuring fixed bed based on the coated active carbon adsorption material of fento of benzene.The introducing of the coated active carbon adsorption material of fento, the mass transfer rate of structuring fixed bed is accelerated, and its H103 resin slope improves greatly.Experimental result shows that its bed utilization rate improves 18%.
Embodiment 2
Be that the air of 1.5mg/L is under 0.1MPa by isopropyl alcohol concentration; with the flow velocity of 2L/min, to pass into internal diameter be 2cm has in the fixed bed of different bed structure and carry out purification separation; fixed bed loads granular activated carbon (bed height the is 2.0 ~ 3.0cm) adsorbent that particle diameter is 0.9mm successively from inlet end to outlet side, and paper-like gradient metal fento compound ZSM-5 molecular sieve film (bed height is 1.0 ~ 0cm) sorbing material and 0.5cm thickness particle diameter are the MnO of 250 ~ 425 μm 2/ ZSM-5 molecular sieve beaded catalyst, adsorbent is used for removing most of isopropyl alcohol harmful substance, and the catalyst of fixed bed end filling is used for catalytic combustion not by the isopropyl alcohol adsorbed completely, realizes the target purified air.
The absorption H103 resin result of isopropyl alcohol on the structuring fixed bed and particle fixed bed (front 3cm height) of filling different-thickness ratio paper-like gradient metal fento compound ZSM-5 molecular sieve film sorbing material as shown in Figure 3.As can be seen from the figure; because the adsorption capacity of paper-like gradient metal fento compound ZSM-5 molecular sieve film sorbing material is little compared with granular activated carbon, therefore shorter than granular activated carbon fixed bed through the time on the structuring fixed bed based on paper-like gradient metal fento compound ZSM-5 molecular sieve film sorbing material of isopropyl alcohol.Along with the continuous increase of paper-like gradient metal fento compound ZSM-5 molecular sieve film sorbing material loadings in structuring fixed bed, the slope of isopropyl alcohol absorption H103 resin increases gradually, illustrates that the structuring fixed bed based on paper-like gradient metal fento compound ZSM-5 molecular sieve film sorbing material has the performance of strengthening mass transfer.
Embodiment 3
By the air containing 4.5mg/L isopropyl alcohol under 0.1MPa, with 15279h -1air speed to pass into internal diameter be that having in the fixed bed of different bed structure of 1cm carries out purification separation, fixed bed loads the Co that particle diameter is 250 ~ 425 μm successively from inlet end to outlet side 2o 3/ ZSM-5 molecular sieve particle (bed height is respectively 1cm, 0.6cm, 0.2cm and 0cm) catalyst, paper-like gradient metal fento compound Co 2o 3(bed height is respectively 0cm to/ZSM-5 molecular sieve film, 0.4cm, 0.8cm and 1cm) catalysis material and 0.5cm thickness particle diameter be the activated carbon granule adsorbent of 0.9mm, catalyst is used at high temperature removing most of isopropyl alcohol, and the adsorbent that fixed bed end loads is used for the isopropyl alcohol impurity that adsorbing and removing fails to burn completely.
On the fixed bed (front 1cm height) of different bed structure, the bed pressure drop of iso-propanol conversion rate variation with temperature curve map and fixed bed is distinguished as shown in Figure 4 and Figure 5 with the change curve of isopropyl alcohol gas flow rate.As can be seen from the figure, along with paper-like gradient metal fento compound Co 2o 3the continuous increase of/ZSM-5 molecular sieve film loadings in structuring fixed bed, the temperature that isopropyl alcohol transforms completely constantly reduces.The paper-like gradient metal fento compound Co of filling 1cm thickness 2o 3the fixed bed of/ZSM-5 molecular sieve Membrane catalysis material and the Co of same thickness 2o 3/ ZSM-5 molecular sieve particle fixed bed is compared, and temperature when iso-propanol conversion rate reaches 50% and 90% reduces by 31% and 13% respectively, and the former bed pressure drop is only 9.5% (when flow velocity is 14.9cm/s) of the latter.Illustrate based on paper-like gradient metal fento compound Co 2o 3the structuring fixed bed of/ZSM-5 molecular sieve Membrane catalysis material significantly can reduce bed resistance, improves reaction contacting efficiency.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.

Claims (10)

1. a VOC purification and separation method, is characterized in that: the structuring fixed bed air containing VOC organic exhaust gas being coupled in one by absorption and catalysis, makes the air containing VOC organic exhaust gas carry out purification separation, the air be purified; Granular materials and functionally gradient material (FGM) is filled with in described structuring fixed bed.
2. VOC purification and separation method according to claim 1, is characterized in that: described granular materials is more than one in granulin molecule sieve adsorbant, granulin molecule sieve catalyst, seed activity carbon adsorbent or seed activity Pd/carbon catalyst; Described functionally gradient material (FGM) is more than one in paper-like gradient metal fento composite molecular sieve film sorbing material, paper-like gradient metal fento composite molecular sieve film catalysis material, fento coated molecular sieve adsorption material, the coated molecular sieve catalytic material of fento, the coated active carbon adsorption material of fento or the coated activated carbon catalysis material of fento.
3. VOC purification and separation method according to claim 2, is characterized in that: described granulin molecule sieve adsorbant and granulin molecule sieve catalyst Middle molecule sieve are LTA type, MFI type or FAU type;
Described paper-like gradient metal fento composite molecular sieve film sorbing material and paper-like gradient metal fento composite molecular sieve film catalysis material Middle molecule sieve membrane are LTA type, MFI type or FAU type;
Described fento coated molecular sieve adsorption material and the coated molecular sieve catalytic material Middle molecule sieve of fento are LTA type, MFI type or FAU type.
4. VOC purification and separation method according to claim 2, is characterized in that: described catalyst cupport has metal oxide, and described metal oxide is can the metal oxide of catalysis VOC organic exhaust gas.
5. VOC purification and separation method according to claim 1, is characterized in that: in described structuring fixed bed, needs to fill functionally gradient material (FGM) between granular materials and granular materials; During described purification separation, granular materials is seated in inlet end.
6. VOC purification and separation method according to claim 5, is characterized in that: described granular materials is need to fill functionally gradient material (FGM) between different granular materials from needing to fill functionally gradient material (FGM) between granular materials.
7. VOC purification and separation method according to claim 1, is characterized in that: when described structuring fixed bed carries out adsorption operations, gas flow rate is 1 ~ 4L/min, and operating temperature is 10 ~ 50 DEG C, and pressure is 0.1 ~ 0.6MPa; When carrying out catalyst operation, gas space velocity is 3000 ~ 20000h -1, operating temperature is 150 ~ 400 DEG C, and pressure is 0.1 ~ 0.3MPa.
8. VOC purification and separation method according to claim 1, is characterized in that: described VOC organic exhaust gas is one or more in methane, ethane, propane, carrene, chloroform, isopropyl alcohol, acetone, ethyl acetate, benzene, toluene and dimethylbenzene.
9. VOC purification and separation method according to claim 8, it is characterized in that: methane in described VOC organic exhaust gas, ethane or propane adopt following adsorbent/sorbing material or the catalyst/catalysis material removal that can remove corresponding paraffins: granulin molecule sieve adsorbant, granulin molecule sieve catalyst, seed activity carbon adsorbent, seed activity Pd/carbon catalyst, paper-like gradient metal fento composite molecular sieve film sorbing material, paper-like gradient metal fento composite molecular sieve film catalysis material, the coated molecular sieve adsorption material of fento, the coated molecular sieve catalytic material of fento, the coated active carbon adsorption material of fento and/or the coated activated carbon catalysis material of fento, described granulin molecule sieve adsorbant and granulin molecule sieve catalyst Middle molecule sieve are LTA type, MFI type or FAU type, described paper-like gradient metal fento composite molecular sieve film sorbing material and paper-like gradient metal fento composite molecular sieve film catalysis material Middle molecule sieve membrane are LTA type, MFI type or FAU type, described fento coated molecular sieve adsorption material and the coated molecular sieve catalytic material Middle molecule sieve of fento are LTA type, MFI type or FAU type.
10. VOC purification and separation method according to claim 8, it is characterized in that: carrene in described VOC organic exhaust gas, chloroform, isopropyl alcohol, acetone, ethyl acetate, benzene, toluene or dimethylbenzene adopt following adsorbent/sorbing material or the catalyst/catalysis material removal that can remove respective substance: granulin molecule sieve adsorbant, granulin molecule sieve catalyst, seed activity carbon adsorbent, seed activity Pd/carbon catalyst, paper-like gradient metal fento composite molecular sieve film sorbing material, paper-like gradient metal fento composite molecular sieve film catalysis material, the coated molecular sieve adsorption material of fento, the coated molecular sieve catalytic material of fento, the coated active carbon adsorption material of fento and/or the coated activated carbon catalysis material of fento, described granulin molecule sieve adsorbant and granulin molecule sieve catalyst Middle molecule sieve are MFI type or FAU type, described paper-like gradient metal fento composite molecular sieve film sorbing material and paper-like gradient metal fento composite molecular sieve film catalysis material Middle molecule sieve membrane are MFI type or FAU type, described fento coated molecular sieve adsorption material and the coated molecular sieve catalytic material Middle molecule sieve of fento are MFI type or FAU type.
CN201510962888.1A 2015-12-17 2015-12-17 VOC purification separation method Pending CN105536519A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109967085A (en) * 2019-03-18 2019-07-05 华南理工大学 A kind of fento composite molecular screen film catalyst and the preparation method and application thereof of catalysis burning volatile organic compounds containing chlorine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102728234A (en) * 2012-06-29 2012-10-17 华南理工大学 Structured fixed bed based on paper-like gradient metal micro-fiber composite molecular sieve membrane
CN105169883A (en) * 2015-08-19 2015-12-23 南京大学 Method capable of improving adsorption capability of fixed bed and method for applying same in organic waste gas treatment

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102728234A (en) * 2012-06-29 2012-10-17 华南理工大学 Structured fixed bed based on paper-like gradient metal micro-fiber composite molecular sieve membrane
CN105169883A (en) * 2015-08-19 2015-12-23 南京大学 Method capable of improving adsorption capability of fixed bed and method for applying same in organic waste gas treatment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109967085A (en) * 2019-03-18 2019-07-05 华南理工大学 A kind of fento composite molecular screen film catalyst and the preparation method and application thereof of catalysis burning volatile organic compounds containing chlorine

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