CN109351202A - It is a kind of based on ceramic tube be the compound carbon membrane of supporter preparation method - Google Patents
It is a kind of based on ceramic tube be the compound carbon membrane of supporter preparation method Download PDFInfo
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- CN109351202A CN109351202A CN201811555349.6A CN201811555349A CN109351202A CN 109351202 A CN109351202 A CN 109351202A CN 201811555349 A CN201811555349 A CN 201811555349A CN 109351202 A CN109351202 A CN 109351202A
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- supporter
- carbon membrane
- preparation
- ceramic tube
- phenolic resin
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/10—Supported membranes; Membrane supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0039—Inorganic membrane manufacture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0039—Inorganic membrane manufacture
- B01D67/0041—Inorganic membrane manufacture by agglomeration of particles in the dry state
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0039—Inorganic membrane manufacture
- B01D67/0067—Inorganic membrane manufacture by carbonisation or pyrolysis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/10—Supported membranes; Membrane supports
- B01D69/105—Support pretreatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/22—Thermal or heat-resistance properties
Abstract
The present invention discloses a kind of preparation method based on ceramic tube for the compound carbon membrane of supporter, belongs to charcoal film preparation and its applied technical field.The present invention is using ceramic tube as supporter, thermoplastic phenolic resin is carbon source, the compound carbon membrane of supporter is prepared using spray coating method, this method sprays a coating film liquid on single hole ceramic tube supporter first, then vacuum suction is used, first layer coating liquid is as middle layer, it sprays again, finally gas is protected by inertia of nitrogen in Muffle furnace, throughput is controlled in 30~100ml/min, temperature rate and soaking time are controlled by controller, 3~10 DEG C/min of heating rate, 750~900 DEG C of final temperature of charing, room temperature is naturally cooling to after constant temperature 0.5h~1h, the compound carbon membrane of supporter is made.The present invention is with N, dinethylformamide is that curing agent prepares thermoplastic phenolic resin spray solution as solvent, hexamethylenetetramine, and addition potassium carbonate improves the pore structure of carbon membrane as activator in spray solution, improve the separating property of supporter carbon membrane, supporter carbon membrane of the present invention can be used for gas separation, water process etc., have preferable separating property.
Description
Technical field:
The invention belongs to charcoal film preparation and its applied technical fields, and in particular to one kind is support bluk recombination based on ceramic tube
The preparation method of carbon membrane.
Background technique:
Membrane separation technique has high separability energy separation method as a kind of, water process, gas separation, food processing,
Biochemical industry etc. has become a kind of important separating treatment mode.It is by means of the concentration between required separation component
Difference dissolves the osmosis of otherness and interior extraneous pressure difference when through film to realize two components or the mixing of more multicomponent
Gas or liquid separation, classification, purification, concentration and enrichment technology, have process it is simple, without secondary pollution, high
The advantages that effect, energy conservation.Separation for property similar compositions, the technology have unique advantage, and can be with the conventional side of separation
Method use in conjunction.
Membrane separation technique is all widely used in all trades and professions, but how to simplify preparation process flow and
Low cost prepares one of the research direction that the compound carbon membrane of satisfactory high-performance is still some scholars.Therefore, for
Common method process in terms of activated carbon composite film preparation mainly include the following types:
1, infusion process.Infusion process applies in general to the supporter of tubulose, and supporter is immersed in coating liquid with given pace
In, it is taken out again with certain rate after a period of time, polymerization can be formed on tubular support surface by being then dried
Object organic film.S.K.Nataraj et al. (S.K.Nataraj, S.Roy, M.B.Patil, M.N.Nadagouda,
W.E.Rudzinski,T.M.Aminabhavi,Cellulose acetate-coatedα-alumina ceramic
composite tubular membranes for wastewater treatment,Desalination,2011,10
(281): 348-353) in α-Al2O3Multi-pore channel ceramics pipe surface covers one layer of cellulose acetate film by infusion process, by several
The composite membrane is tested in the processing of kind different sewage can effectively reduce the concentration of dirt in water；Ming-Bang Wu et al. (Ming-
Bang Wu,YanLv,Hao-ChengYang,Li-FenLiu,XiZhang,Zhi-Kang Xu,Thin film composite
membranes combining carbon nanotube intermediate layer and microfiltration
Support for high nanofiltration performances, 2016,10 (515): 238-244) with carbon nanotube
Having prepared permeation flux for the mode that middle layer and micro-filtration film support combine is 105.4Lm-2·h-1With to divalent yin
Ion has the high-performance nanofiltration membrane of high retention property.
2, spin-coating method.Spin-coating method is usually used in flat support body, and organic polymer soln is attached on supporter, and is consolidated
It is scheduled on the turntable of certain revolving speed, polymer coating film liquid is uniformly coated onto one layer of uniform organic polymer of formation on supporter
Film finally carbonizes to obtain qualified compound carbon membrane according to specified conditions.Li et al. people (Lin Li, Chengwen
Song,Huawei Jiang,Jieshan Qiu,Tonghua Wang,Preparation and gas separation
performance of supported carbon membranes with ordered mesoporous carbon
Interlayer, Journal of Membrane Science, 2014,450 (1): 469-477) on coal-based flat supporter
It is middle layer by disposably coating the compound carbon membrane prepared for O using ordered mesoporous carbon2, CO2And H2Permeability be respectively
74.5,88.0 with 545.5mol m-2s-1Pa-1×10-10；Hui-HsinTseng et al. (Hui-HsinTseng, Arun
KumarItta,Modification of carbon molecular sieve membrane structure by self-
assisted deposition carbon segment for gas separation,Journal of Membrane
Science, 2012,389 (2): 223-233) using PI or PEI as precursor polymer alumina ceramics on piece use spin coating side
Method obtains compound carbon membrane to H after modifying2/N2Selectivity increases to 171.8 ± 7.7, H from 17.1 ± 0.62Permeability from
565 ± 10.5 increase to 1448 ± 56.9Barrer.
3, deposition polymerization.Vapor deposition polymerization method is exactly to be placed on after first pre-processing supporter full of polymer list
In the atmosphere of body, supporting body surface polymerization is deposited on by being heated to certain temperature drop polymer monomer.Wang et al.
(Huating Wang,Lixiong Zhang,Preparation of supported carbon membranes from
furfuryl alcohol by vapor deposition polymerization,Journal of Membrane
Science, 2000,177 (1-2): 25-31) being formed a film with poly furfuryl alcohol carbonizes, and carbon membrane is prepared with dip coating and is compared, as a result table
It is bright that there is similar separating property, to CO2Permeability reduce；M.F.Neira D ' Angelo et al. (M.F.Neira D '
Angelo,V.Ordomsky,J.C.Schouten,J.van der Schaaf,and T.A.Nijhuis,Carbon-coated
ceramic membrane reactor for the production of hydrogen by aqueous-phase
Reforming of Sorbitol, ChemSusChem, 2014,7 (7): 2007-2015) pass through Carbon deposition method in ceramic tube
Portion covers upper one layer of complete carbon membrane, analysis shows the duct of 100nm is passed through by not occurring after Carbon deposition on former ceramic tube
Its average pore size is measured less than 5nm.
The above-mentioned preparation method to the compound carbon membrane of supporter is mainly used in polymer membrane, and multiple to supporter
It is less to close preparing for carbon membrane, is concentrated mainly on the preparation of mesoporous carbon membrane；Spray coating method of the present invention prepares the side of the compound carbon membrane of supporter
Method is exactly to carry out the then charing, and then the body that is supported of spray on polymer polymer on ceramic tube supporter using spraying equipment
Compound-split carbon membrane.
Summary of the invention:
The thermal stability of film, resistance to acid and alkali and film in industrial separation are dirty for existing polymer membrane by the present invention
Technical problem present in dye provides a kind of preparation method based on ceramic tube for the compound carbon membrane of supporter, what the present invention obtained
The compound carbon membrane of supporter can be used in water process or the separation of some gases.The method of the present invention mainly utilizes single hole ceramic tube for branch
Support body, persursor material of the thermoplastic phenolic resin as carbon membrane, hexamethylenetetramine is curing agent, by inert atmosphere
It is pyrolyzed and forms the fine and close carbon membrane of one layer of homogeneous in supporting body surface, so that the separation for being applied to water process or some gases is worked as
In.
It is provided by the invention it is a kind of based on ceramic tube be the compound carbon membrane of supporter preparation method specific step is as follows:
Thermoplastic phenolic resin, curing agent and solvent are uniformly mixed first and obtain coating liquid, the thermoplastic phenolic resin
Mass fraction of the rouge in the coating liquid is 10~40%；Then the coating liquid is added in spray gun, with nitrogen as
Carrier gas sprays to the single hole ceramics pipe surface pre-processed, will be by spray after single hole ceramics pipe surface natural drying
The single hole ceramic tube after painting is placed in baking oven, is taken out after 2 hours dry at 120 DEG C, then by the institute after drying process
It states single hole ceramic tube to be placed in Muffle furnace, with nitrogen as protection gas, N2Flow is 30~100ml/min, is risen according to charing
Warm 3~10 DEG C/min of rate is naturally cooling to room temperature, finally after reaching 750 DEG C~900 DEG C of final temperature of charing after 0.5~1h of constant temperature
Obtain the compound carbon membrane of ceramic tube base supporter.
Using ceramic tube as supporter in the present invention, thermoplastic phenolic resin is that carbon source prepares compound carbon membrane.
The solvent is n,N-Dimethylformamide, and the curing agent is hexamethylenetetramine；The N, N- dimethyl methyl
The mass ratio of amide, thermoplastic phenolic resin and curing agent hexamethylenetetramine is 29:10:1.
The protection gas nitrogen flow is 50ml/min；Carbonization heating rate is 5 DEG C/min.The branch carbonizes final temperature
900℃。
The method of the present invention makes high molecular polymer be dispersed in single hole ceramic tube supporting body surface using spray coating method, and shape
It at one layer of uniform film, is pyrolyzed under the inert atmosphere conditions of different temperatures, time etc., obtains the compound carbon membrane of homogeneous.
Detailed description of the invention:
Fig. 1 is the section SEM figure of the compound carbon membrane of supporter of the method for the present invention preparation；
Fig. 2 is the surface SEM figure of the compound carbon membrane of supporter of the method for the present invention preparation；
Fig. 3 present invention activated carbon composite membrane aperture distribution curve under different preparation conditions.
Specific embodiment:
The single hole ceramic tube pre-processed is placed in in the rotation axis of certain speed uniform rotation, and under rotation axis
An auxiliary thermal is placed by side, is equably sprayed various concentration thermoplastic phenolic resin coating liquid using spray gun nitrogen buffer gas
To supporting body surface, after natural drying, be dried in vacuo 2h under the conditions of 120 DEG C, then different pyrolysis charring temperature, time with
And under the conditions of inert gas flow etc., pyrolysis charring is carried out in Muffle furnace, and be applied to mixing group with the carbon membrane being prepared
The separation divided.
Embodiment 1: the single hole ceramic tube handled well is chosen, using thermoplastic phenolic resin as carbon source, hexamethylenetetramine is
Curing agent prepares film according to the amount of 89g n,N-Dimethylformamide, 10g thermoplastic phenolic resin, 1g hexamethylenetetramine
Liquid, with the heating rate of 2.5 DEG C/min to 800 DEG C, constant temperature 1h after natural drying, protects gas using spray gun spraying 10ml solution
N2Flow is that 50ml/min is naturally cooling to room temperature, and the compound carbon membrane of the excellent supporter of zero defect, separating property can be obtained；It is compound
The average pore size of carbon membrane are as follows: 0.15 μm, be applied to pure component gas permeation test, N2Infiltration rate 30.2 × 10-8mol/
(Pa·s·m2), CO2Infiltration rate 37.6 × 10-8mol/(Pa·s·m2)；
Embodiment 2: according to various concentration thermoplastic phenolic resin coating liquid be sprayed on supporting body surface pyrolysis prepare it is compound
Separate carbon membrane, phenolic resin coating liquid mass concentration be 15%, 5 DEG C/min of heating rate, 750 DEG C of pyrolysis temperature, constant temperature
When 0.5h, nitrogen flow 50ml/min, the average pore size of compound carbon membrane is 0.28 μm, N2Infiltration rate 69.5 × 10-8mol/
(Pa·s·m2), CO2Infiltration rate 72.8 × 10-8mol/(Pa·s·m2)；
Embodiment 3: compound-split carbon membrane, phenolic resin coating liquid quality are prepared using spray coating method according to different pyrolysis temperatures
Concentration is 40%, and 3 DEG C of heating rate, 800 DEG C of pyrolysis temperature, when constant temperature 1h, nitrogen flow 60ml/min, compound carbon membrane is averaged
Aperture is 0.16 μm, N2Infiltration rate 36.8 × 10-8mol/(Pa·s·m2), CO2Infiltration rate 40.3 × 10-8mol/(Pa·
s·m2)；
Embodiment 4: compound-split carbon membrane, phenolic resin coating liquid quality are prepared using spray coating method according to different heating rates
Concentration is 30%, and 5 DEG C of heating rate, 850 DEG C of pyrolysis temperature, when constant temperature 1h, nitrogen flow 50ml/min, compound carbon membrane is averaged
Aperture is 0.13 μm, N2Infiltration rate 25.6 × 10-8mol/(Pa·s·m2), CO2Infiltration rate 30.6 × 10-8mol/(Pa·
s·m2)；
Embodiment 5: compound-split carbon membrane, phenolic resin coating liquid quality are prepared using spray coating method according to different nitrogen flows
Concentration is 15%, 5 DEG C of heating rate, 850 DEG C of pyrolysis temperature, when constant temperature 1h, nitrogen flow 100ml/min, compound carbon membrane it is flat
Equal aperture is 0.23 μm, N2Infiltration rate 41.2 × 10-8mol/(Pa·s·m2), CO2Infiltration rate 44.5 × 10-8mol/
(Pa·s·m2)。
The average pore size of the compound carbon membrane of the different preparation condition lower supports of table 1, infiltration rate comparison
Claims (4)
1. it is a kind of based on ceramic tube be the compound carbon membrane of supporter preparation method, it is characterised in that specific step is as follows for this method:
Thermoplastic phenolic resin, curing agent and solvent are uniformly mixed first and obtain coating liquid, the thermoplastic phenolic resin is described
Mass fraction in coating liquid is 10~40%；Then the coating liquid is added in spray gun, is sprayed with nitrogen as carrier gas
To the single hole ceramics pipe surface pre-processed, after single hole ceramics pipe surface natural drying, by the institute after spraying
It states single hole ceramic tube to be placed in baking oven, takes out after 2 hours dry at 120 DEG C, then the single hole after drying process is made pottery
Porcelain tube is placed in Muffle furnace, with nitrogen as protection gas, N2Flow be 30~100ml/min, according to carbonization heating rate 3~
10 DEG C/min, after reaching 750 DEG C~900 DEG C of final temperature of charing, it is naturally cooling to room temperature after 0.5~1h of constant temperature, finally obtains ceramics
The compound carbon membrane of pipe base supporter.
2. preparation method according to claim 1, it is characterised in that the solvent is n,N-Dimethylformamide, the solidification
Agent is hexamethylenetetramine；Six methine of the N,N-dimethylformamide, the thermoplastic phenolic resin and the curing agent
The mass ratio of tetramine is 29:10:1.
3. preparation method according to claim 1, it is characterised in that the protection gas nitrogen flow is 50ml/min；Charing rises
Warm rate is 5 DEG C/min.
4. preparation method according to claim 1, it is characterised in that the charing final temperature is 900 DEG C.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111644076A (en) * | 2020-06-15 | 2020-09-11 | 中化泉州能源科技有限责任公司 | Method for preparing carbonized organic layer on surface of porous ceramic matrix through negative-pressure coating |
| CN112619442A (en) * | 2019-09-24 | 2021-04-09 | 中国石油化工股份有限公司 | Composite molecular sieve carbon film based on phenolic resin-based carbon tube as support body and preparation method and application thereof |
| CN114425245A (en) * | 2020-09-23 | 2022-05-03 | 中国石油化工股份有限公司 | Phenolic resin-based composite carbon film and preparation method and application thereof |
| WO2023113597A1 (en) | 2021-12-17 | 2023-06-22 | Technische Universiteit Eindhoven | A process for the preparation of a supported carbon membranes (cms) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0474424A2 (en) * | 1990-09-01 | 1992-03-11 | The British Petroleum Company P.L.C. | Membranes |
| CN1415406A (en) * | 2002-11-30 | 2003-05-07 | 大连理工大学 | Solidifying method in two steps for preparing carbon membrane of phenol-formaldehyde resin |
| CN1830533A (en) * | 2005-12-13 | 2006-09-13 | 大连理工大学 | Preparation method of polyether sulphone ketone base gas separation carbon membrane |
| CN101234759A (en) * | 2007-01-29 | 2008-08-06 | 北京航空航天大学 | Method of preparing micropore carbon |
| CN103071396A (en) * | 2011-10-26 | 2013-05-01 | 沈阳工业大学 | Substrate induction method used for preparing ordered porous carbon film |
| CN103894150A (en) * | 2014-03-31 | 2014-07-02 | 沈阳工业大学 | Preparation method of carbon membrane for oil-water separation |
| CN104291826A (en) * | 2014-09-17 | 2015-01-21 | 西安建筑科技大学 | Preparation method of carbon nanotube (CNT) enhanced SiC based nano composite material film |
-
2018
- 2018-12-19 CN CN201811555349.6A patent/CN109351202A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0474424A2 (en) * | 1990-09-01 | 1992-03-11 | The British Petroleum Company P.L.C. | Membranes |
| CN1415406A (en) * | 2002-11-30 | 2003-05-07 | 大连理工大学 | Solidifying method in two steps for preparing carbon membrane of phenol-formaldehyde resin |
| CN1830533A (en) * | 2005-12-13 | 2006-09-13 | 大连理工大学 | Preparation method of polyether sulphone ketone base gas separation carbon membrane |
| CN101234759A (en) * | 2007-01-29 | 2008-08-06 | 北京航空航天大学 | Method of preparing micropore carbon |
| CN103071396A (en) * | 2011-10-26 | 2013-05-01 | 沈阳工业大学 | Substrate induction method used for preparing ordered porous carbon film |
| CN103894150A (en) * | 2014-03-31 | 2014-07-02 | 沈阳工业大学 | Preparation method of carbon membrane for oil-water separation |
| CN104291826A (en) * | 2014-09-17 | 2015-01-21 | 西安建筑科技大学 | Preparation method of carbon nanotube (CNT) enhanced SiC based nano composite material film |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112619442A (en) * | 2019-09-24 | 2021-04-09 | 中国石油化工股份有限公司 | Composite molecular sieve carbon film based on phenolic resin-based carbon tube as support body and preparation method and application thereof |
| CN112619442B (en) * | 2019-09-24 | 2022-11-04 | 中国石油化工股份有限公司 | Composite molecular sieve carbon film based on phenolic resin-based carbon tube as support body and preparation method and application thereof |
| CN111644076A (en) * | 2020-06-15 | 2020-09-11 | 中化泉州能源科技有限责任公司 | Method for preparing carbonized organic layer on surface of porous ceramic matrix through negative-pressure coating |
| CN111644076B (en) * | 2020-06-15 | 2023-11-14 | 中化泉州能源科技有限责任公司 | Method for preparing carbonized organic layer on surface of porous ceramic matrix through negative pressure coating |
| CN114425245A (en) * | 2020-09-23 | 2022-05-03 | 中国石油化工股份有限公司 | Phenolic resin-based composite carbon film and preparation method and application thereof |
| WO2023113597A1 (en) | 2021-12-17 | 2023-06-22 | Technische Universiteit Eindhoven | A process for the preparation of a supported carbon membranes (cms) |
| NL2030180B1 (en) | 2021-12-17 | 2023-06-28 | Fund Tecnalia Research&Innovation | A process for the preparation of a supported carbon membranes (CMs). |
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