CN105561811A - Environment-friendly liquid supporting carbon dioxide separation film - Google Patents
Environment-friendly liquid supporting carbon dioxide separation film Download PDFInfo
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- CN105561811A CN105561811A CN201410618099.1A CN201410618099A CN105561811A CN 105561811 A CN105561811 A CN 105561811A CN 201410618099 A CN201410618099 A CN 201410618099A CN 105561811 A CN105561811 A CN 105561811A
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- carbon dioxide
- environment
- dioxide separation
- separation film
- friendly liquid
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- 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
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- Separation Using Semi-Permeable Membranes (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention discloses an environment-friendly liquid supporting carbon dioxide separation film which is prepared by dissolving a mixture of polyethylene polyamine and polyvinyl alcohol into water, and coating a film. Compared with the prior art, the environment-friendly liquid supporting carbon dioxide separation film disclosed by the invention has the advantages that in the preparation process, only water is used as a solvent and is not required to be recycled, and the film forming temperature is lower. The environment-friendly liquid supporting carbon dioxide separation film has the advantages of simple process, high energy conservation, high environment friendliness, zero pollution and low cost. The carbon dioxide separation film prepared by the method is extremely large in separation degree and extremely high in separation selectivity, has the characteristic of overcoming easy loss of the conventional liquid supporting carbon dioxide separation film, is higher in mechanical intensity, and can be used for CO2 separation for industrial waste gas and natural gas decarbonization and deacidification.
Description
Technical field
The invention belongs to gas separaion field, be specifically related to a kind of environment-friendly liquid and support carbon dioxide separation film.
Background technology
Along with increasingly sharpening of World Environment Problems, global warming has more and more received the concern of people, and carbon dioxide (CO
2) excess emissions be generally considered the main cause causing global warming.The use of fossil fuel is mankind's activity discharge CO
2main source (accounting for 83%, EIA in the U.S.), and CO
2annual emissions also will in the trend of amplifying year by year.Along with global warming, Climatic issues have become the outstanding problem of serious threat human survival and development.Wherein, CO
2reduce discharging the great attention having caused countries in the world.Along with Copenhagen climate change conference is held, China seriously promises to undertake to the world, to unit of the year two thousand twenty China GDP CO
2discharge, than decline 40%-45% in 2005, has pulled open the curtain of China " 12 " energy-saving and emission-reduction.
Compare trapping and be discharged into CO in air
2, reduce CO from source
2a kind of beyond doubt more convenient method of discharge capacity.In addition, CO
2gas separation membrane also can play very important effect in the purge process of natural gas, has high economic benefit and environmental benefit.And at various separation of C O
2method in, the advantages such as membrane separation process has again that equipment is simple, easy to operate, energy consumption is low, good separating effect, process are green, thus have good development prospect.
Existing document is retrieved, find the number of patent application carbon dioxide separation film that to be the Introduction To Cn Patent of 201180064352.8 a kind of containing water absorbent polymer, carbon dioxide carrier and polysaccharide, the material such as agar, alkali carbonate is formed composition by it, is cross-linked by uncrosslinked desciccator diaphragm after film forming drying again.In addition, it with the addition of amino acid in the feed.From principle, add amino acid and can improve film to the adsorptivity of carbon dioxide and selective; But there is very strong hydrophily and polarity due to its amino acid added, in practical operation, when being separated the gas or acidic and alkaline gas that contain moisture, partial amino-acid can be dissolved in water or change molecular conformation due to the change of Acidity of Aikalinity, thus make the structure of film produce certain change, the stability of film is reduced, and then separating property is declined.
Find number of patent application to be the Introduction To Cn Patent of 200810001447.5 a kind of the carbon dioxide separation film containing expanded PTFE and polysiloxanes, it is by organopolysiloxane solidification or be cross-linked on expanded PTFE supporting layer, to obtain the high patience to harsh and unforgiving environments.From principle, this kind of carbon dioxide separation way can obtain the large flux diffusion barrier of high strength, high stability; In practical operation, because this film to improve the permeability of gas in order to obtain large flux, so selective not high to carbon dioxide of this film, be separated in the gas obtained and still there is certain density carbon dioxide.
Summary of the invention
The object of the invention is to the deficiency overcoming the existence of above-mentioned prior art, provide a kind of environment-friendly liquid with economy, environment-friendly production process and function admirable to support carbon dioxide separation film.The preparation method of this support liquid carbon dioxide separation film has that technique is simple, low cost and other advantages, raw material have relatively inexpensively to be easy to get, liquid environment close friend, low volatilization, outstanding mechanical strength, chemically stable and heat endurance, to CO
2the advantage such as high-solvency, height designability in high selectivity and chemical constitution thereof and performance; Therefore, this support liquid carbon dioxide separation film, not only has very high solvability and selective penetrated property to carbon dioxide, also has higher stability, the advantages such as service life is longer; It is a kind of cheap, efficient carbon dioxide separation film.
The object of the invention is to be achieved through the following technical solutions:
The invention discloses a kind of environment-friendly liquid and support carbon dioxide separation film, described diffusion barrier obtains by comprising the preparation of the method for the step of water-soluble for the mixture of polyethylene polyamine, polyvinyl alcohol rear coating film forming.
Preferably, described polyethylene polyamine molecular structural formula such as formula shown in (I),
wherein, x+y is arbitrary integer in 10 ~ 10000, x: y=0.1 ~ 10.X+y is that in 10 ~ 10000, this restriction of arbitrary integer makes polyethylene polyamine have lower vapour pressure and rational viscosity, prevents the volatilization of carbon dioxide absorber, improves UF membrane efficiency.X: y=1: 0.1 ~ 10 these restrictions make the CO in polyethylene polyamine with high level
2adsorption group, can increase CO
2adsorbance and adsorption efficiency.
Preferably, described polyvinyl alcohol molecule structural formula is such as formula shown in (II):
wherein, n is arbitrary integer in 1000 ~ 100000.N is that in 1000 ~ 100000, this restriction of arbitrary integer can make polyvinyl alcohol have higher molecular weight, ensures that diffusion barrier has higher mechanical strength.
Preferably, the mass ratio of polyethylene polyamine and polyvinyl alcohol is 1: 2 ~ 1: 4.
Preferably, in the mixed solution of the water-soluble rear formation of described mixture, the mass percent concentration of described mixture is 10% ~ 30%.
Preferably, described mixture is water-soluble to be specially: be heated to 90 DEG C ~ 95 DEG C to water, successively adds polyvinyl alcohol and polyethylene polyamine heating stirring and dissolving.
Preferably, the film forming thickness of described coating film forming is 40 ~ 200 μm.Can ensure that diffusion barrier possesses higher separative efficiency and mechanical strength simultaneously to the restriction of film forming thickness.Be more preferably 60 ~ 120 μm.
Preferably, also comprise oven dry after described coating film forming, described bake out temperature is 50 ~ 120 DEG C.
The invention still further relates to a kind of environment-friendly liquid of the present invention and support carbon dioxide separation film composition, described composition is the mixture of polyethylene polyamine, polyvinyl alcohol.
Preferably, the mass ratio of polyethylene polyamine and polyvinyl alcohol is 1: 2 ~ 1: 4.
The adsorbent that the present invention adopts is polyethylene polyamine.In the prior art, polyethylene polyamine is mainly used as epoxy curing agent, crude oil demulsifier, mining auxiliary agent, grease additive, bentonite lubricant, cyanideless electro-plating additive and for the preparation of aspects such as ion exchange resin.Because polyethylene polyamine itself is to dry CO
2adsorption efficiency lower, thus often thought that its characteristic is not suitable as carbon dioxide absorber by those skilled in the art.But in patent of the present invention, by the long-term great many of experiments of inventor, and improve multinomial reaction condition, make polyethylene polyamine can give play to extremely strong selection through effect at support liquid carbon dioxide separation membrane material by adding the methods such as polyvinyl alcohol, and polyethylene polyamine is macromolecule organic, its volatility is low, and boiling point is 250 DEG C, is far smaller than existing diffusion barrier to the corrosion of equipment.
The solvent that the present invention adopts only has water, compared to the more environmental protection of organic solvent technique, and does not substantially have remnants after film forming.And the boiling point of water is 100 DEG C, lower than many organic solvents, thus can dry by lower temperature in the process of film forming.
Compared with prior art, the present invention has following beneficial effect:
1, diffusion barrier of the present invention has very high dissolubility and selective penetrated property to carbon dioxide.
2, the present invention adopts water as solvent, nontoxic, energy saving technology environmental protection, and in process of production without the need to recycling, film forming procedure does not need very high temperature.
3, the product price of polyethylene polyamine that adopts of the present invention is low, is 1/10th of polymine, therefore diffusion barrier preparation cost low, be applicable to factory's large-scale production.
4, diffusion barrier of the present invention has low-corrosiveness and low vapo(u)rability, and stability is high, has very high mechanical strength.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is the principle model figure that environment-friendly liquid supports carbon dioxide separation film;
Fig. 2 is the graph of a relation (CO of support liquid carbon dioxide separation UF membrane gained gas concentration lwevel and time under condition of different temperatures
2initial concentration is 15%);
Fig. 3 is the stability test schematic diagram of environment-friendly liquid support carbon dioxide separation film prepared by different embodiment.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, can also make certain adjustments and improvements.These all belong to protection scope of the present invention.
Fig. 1 is the principle model figure that environment-friendly liquid of the present invention supports carbon dioxide separation film; As shown in Figure 1, CO
2mass percent concentration is X
1the original mixed gas of %, in pressure P
1driving under, CO wherein
2gas and other component gas are at CO
2there is different transmission rates in gas separation membrane, thus make CO in the gas after being separated
2mass percent concentration there occurs change (X
2wt%), separation of C O is reached
2effect.Wherein, gas pressure intensity (P after being separated
0) be generally 1 atmospheric pressure, the pressure P of original gas
1need higher than P
0.
Environment-friendly liquid support carbon dioxide separation film of the present invention is prepared by the method comprised the steps and is obtained:
Step one: take appropriate polyethylene polyamine and polyvinyl alcohol, as solute.
Step 2: get suitable quantity of water as solvent, after heating, successively adds polyvinyl alcohol and polyethylene polyamine heating stirring and dissolving, obtains the solution that concentration is 10% ~ 30%;
Step 3: dissolution homogeneity is applied to film forming on smooth substrate;
Step 4: wet film is put into oven for drying;
Step 5: taken off from substrate by film, obtains support liquid carbon dioxide separation film.Specifically see following embodiment:
embodiment 1
It is polyethylene polyamine and polyvinyl alcohol that the environment-friendly liquid of the preparation of the present embodiment supports carbon dioxide separation film main component, and its preparation method is specific as follows:
Step one: get 5g polyethylene polyamine and 20g polyvinyl alcohol, as the major solute of diffusion barrier.
Step 2: get 225g water as solvent, be heated to 90 DEG C, successively adds polyvinyl alcohol and polyethylene polyamine stirring and dissolving, forms diffusion barrier casting solution.
Step 3: dissolution homogeneity is poured on substrate, and the wet film spreading to 200 μm with blade applicator.
Step 4: substrate is put into the heat treatment that 120 DEG C of thermostatic drying chambers carry out 3 hours.
Step 5: take out substrate, after its cooling, takes off film from substrate, obtain polyethylene polyamine and polyvinyl alcohol mass ratio be 1: 4 thickness be the film of 25 μm.
embodiment 2
It is polyethylene polyamine and polyvinyl alcohol that the environment-friendly liquid of the preparation of the present embodiment supports carbon dioxide separation film main component, and its preparation method is specific as follows:
Step one: get 5g polyethylene polyamine and 10g polyvinyl alcohol, as the major solute of diffusion barrier.
Step 2: get 35g water as solvent, be heated to 95 DEG C, successively adds polyvinyl alcohol and polyethylene polyamine stirring and dissolving, forms diffusion barrier casting solution.
Step 3: dissolution homogeneity is poured on substrate, and the wet film spreading to 40 μm with blade applicator.
Step 4: substrate is put into the heat treatment that 80 DEG C of thermostatic drying chambers carry out 5 hours.
Step 5: take out substrate, after its cooling, takes off film from substrate, obtain polyethylene polyamine and polyvinyl alcohol mass ratio be 1: 2 thickness be the film of 15 μm.
embodiment 3
It is polyethylene polyamine and polyvinyl alcohol that the environment-friendly liquid of the preparation of the present embodiment supports carbon dioxide separation film main component, and its preparation method is specific as follows:
Step one: get 5g polyethylene polyamine and 15g polyvinyl alcohol, as the major solute of diffusion barrier.
Step 2: get 100g water as solvent, be heated to 93 DEG C, successively adds polyvinyl alcohol and polyethylene polyamine stirring and dissolving, forms diffusion barrier casting solution.
Step 3: dissolution homogeneity is poured on substrate, and the wet film spreading to 160 μm with blade applicator.
Step 4: substrate is put into the heat treatment that 100 DEG C of thermostatic drying chambers carry out 3 hours.
Step 5: take out substrate, after its cooling, takes off film from substrate, obtain polyethylene polyamine and polyvinyl alcohol mass ratio be 1: 3 thickness be the film of 33 μm.
embodiment 4
It is polyethylene polyamine and polyvinyl alcohol that the environment-friendly liquid of the preparation of the present embodiment supports carbon dioxide separation film main component, and its preparation method is specific as follows:
Step one: get 5g polyethylene polyamine and 15g polyvinyl alcohol, as the major solute of diffusion barrier.
Step 2: get 80g water as solvent, be heated to 92 DEG C, successively adds polyvinyl alcohol and polyethylene polyamine stirring and dissolving, forms diffusion barrier casting solution.
Step 3: dissolution homogeneity is poured on substrate, and the wet film spreading to 120 μm with blade applicator.
Step 4: substrate is put into the heat treatment that 50 DEG C of thermostatic drying chambers carry out 12 hours.
Step 5: take out substrate, after its cooling, takes off film from substrate, obtain polyethylene polyamine and polyvinyl alcohol mass ratio be 1: 3 thickness be the film of 26 μm.
embodiment 5
It is polyethylene polyamine and polyvinyl alcohol that the environment-friendly liquid of the preparation of the present embodiment supports carbon dioxide separation film main component, and its preparation method is specific as follows:
Step one: get 4g polyethylene polyamine and 10g polyvinyl alcohol, as the major solute of diffusion barrier.
Step 2: get 60g water as solvent, be heated to 90 DEG C, successively adds polyvinyl alcohol and polyethylene polyamine stirring and dissolving, forms diffusion barrier casting solution.
Step 3: dissolution homogeneity is poured on substrate, and the wet film spreading to 60 μm with blade applicator.
Step 4: substrate is put into the heat treatment that 100 DEG C of thermostatic drying chambers carry out 3 hours.
Step 5: take out substrate, after its cooling, takes off film from substrate, obtain polyethylene polyamine and polyvinyl alcohol mass ratio be 1: 2.5 thickness be the film of 14 μm.
embodiment 6
The object of the present embodiment is to investigate optimal separation temperature.It is polyethylene polyamine and polyvinyl alcohol that the environment-friendly liquid of the preparation of the present embodiment supports carbon dioxide separation film main component.
Its preparation method is with embodiment 4, and institute's difference is:
At probe temperature is 25 DEG C, 50 DEG C, 60 DEG C, 70 DEG C and 80 DEG C, carbon dioxide separation effect detection is carried out to support liquid carbon dioxide separation film obtained respectively, be specially the MOT500-CO adopting Shenzhen Cole's promise Electronics Co., Ltd.
2type carbon dioxide detector measures gas concentration lwevel; Obtain support liquid carbon dioxide separation UF membrane gained gas concentration lwevel and the graph of a relation of time under condition of different temperatures, as shown in Figure 2.As shown in Figure 2: adopt dry CO
2/ N
2mist is as original gas, wherein gas concentration lwevel is 15%, diffusion barrier reach be separated saturated before, the concentration of carbon dioxide in gas after diffusion barrier is separated be initial concentration be upgraded to more than 60%, the separated UF membrane of most carbon dioxide is described, the separation rate of this diffusion barrier to carbon dioxide is high, has good application prospect.
Fig. 3 is the stability test schematic diagram of environment-friendly liquid support carbon dioxide separation film prepared by different embodiment.The diffusion barrier that the different embodiments of certain mass obtain is put into baking oven heat, weigh the mass change of diffusion barrier at different time, the diffusion barrier stability at different temperatures of different component can be judged by these data.As shown in Figure 3, environment-friendly liquid of the present invention supports the stability that carbon dioxide separation film has excellence.
In sum, the proportioning of support liquid carbon dioxide separation film Raw that the present invention adopts can regulate and control in 1: 2 ~ 1: 4, and normal separation temperature range is also larger, can in normal table separation in normal temperature to 80 DEG C.The present invention adopts raw material polyethylene polyamine and polyvinyl alcohol, and obtained support liquid carbon dioxide separation film not only has very high solvability and selective penetrated property to carbon dioxide, also has the simple environmental protection of preparation technology, the advantages such as running cost is low; It is a kind of cheap, efficient, eco-friendly carbon dioxide separation film.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (9)
1. environment-friendly liquid supports a carbon dioxide separation film, it is characterized in that, described diffusion barrier obtains by comprising the preparation of the method for the step of water-soluble for the mixture of polyethylene polyamine, polyvinyl alcohol rear coating film forming.
2. environment-friendly liquid according to claim 1 supports carbon dioxide separation film, it is characterized in that, described polyethylene polyamine molecular structural formula such as formula shown in (I),
wherein, x+y is arbitrary integer in 10 ~ 10000, x: y=0.1 ~ 10.
3. environment-friendly liquid according to claim 1 supports carbon dioxide separation film, and it is characterized in that, described polyvinyl alcohol molecule structural formula is such as formula shown in (II):
wherein, n is arbitrary integer in 1000 ~ 100000.
4. the environment-friendly liquid according to any one of claims 1 to 3 supports carbon dioxide separation film, and it is characterized in that, the mass ratio of polyethylene polyamine and polyvinyl alcohol is 1: 2 ~ 1: 4.
5. the environment-friendly liquid according to any one of claims 1 to 3 supports carbon dioxide separation film, and it is characterized in that, in the mixed solution of the water-soluble rear formation of described mixture, the mass percent concentration of described mixture is 10% ~ 30%.
6. the environment-friendly liquid according to any one of claims 1 to 3 supports carbon dioxide separation film, it is characterized in that, described mixture is water-soluble to be specially: be heated to 90 DEG C ~ 95 DEG C to water, successively adds polyvinyl alcohol and polyethylene polyamine heating stirring and dissolving.
7. the environment-friendly liquid according to any one of claims 1 to 3 supports carbon dioxide separation film, and it is characterized in that, the film forming thickness of described coating film forming is 40 ~ 200 μm.
8. the environment-friendly liquid according to any one of claims 1 to 3 supports carbon dioxide separation film, and it is characterized in that, also comprise oven dry after described coating film forming, described bake out temperature is 50 ~ 120 DEG C.
9. the environment-friendly liquid according to any one of claims 1 to 3 supports a carbon dioxide separation film composition, and it is characterized in that, described composition is the mixture of polyethylene polyamine, polyvinyl alcohol.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227360A (en) * | 2019-06-06 | 2019-09-13 | 太原理工大学 | A kind of preparation method and application of blend film that adulterating lignosulfonates |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5611843A (en) * | 1995-07-07 | 1997-03-18 | Exxon Research And Engineering Company | Membranes comprising salts of aminoacids in hydrophilic polymers |
| CN1686597A (en) * | 2005-03-11 | 2005-10-26 | 天津大学 | Method of preparing and separating carbon dioxide gas fixing carrier composite film using boundary surface polymerization |
| CN1843594A (en) * | 2006-03-20 | 2006-10-11 | 天津大学 | Method for preparing facilitated transport membrane of branched neopentyl ethylene diamine for CO2 separation |
| CN101518282A (en) * | 2008-02-29 | 2009-09-02 | 国家农产品保鲜工程技术研究中心（天津） | Preparation method of fresh-keeping film with high carbon dioxide permeability and application thereof |
| WO2011046661A1 (en) * | 2009-07-24 | 2011-04-21 | The Regents Of The University Of Colorado, A Body Corporate | Imidazolium-based room-temperature ionic liquids, polymers monomers and membranes incorporating same |
| CN102500324A (en) * | 2011-10-08 | 2012-06-20 | 中国科学院山西煤炭化学研究所 | Organic-inorganic composite carbon dioxide adsorbing material and preparation method thereof |
| CN103170251A (en) * | 2011-12-20 | 2013-06-26 | 新奥科技发展有限公司 | Coating liquid used for preparing CO2 separating composite film, and CO2 separating composite film |
| CN103230783A (en) * | 2013-04-19 | 2013-08-07 | 上海交通大学 | Compound type carbon dioxide adsorbent |
-
2014
- 2014-11-05 CN CN201410618099.1A patent/CN105561811B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5611843A (en) * | 1995-07-07 | 1997-03-18 | Exxon Research And Engineering Company | Membranes comprising salts of aminoacids in hydrophilic polymers |
| CN1686597A (en) * | 2005-03-11 | 2005-10-26 | 天津大学 | Method of preparing and separating carbon dioxide gas fixing carrier composite film using boundary surface polymerization |
| CN1843594A (en) * | 2006-03-20 | 2006-10-11 | 天津大学 | Method for preparing facilitated transport membrane of branched neopentyl ethylene diamine for CO2 separation |
| CN101518282A (en) * | 2008-02-29 | 2009-09-02 | 国家农产品保鲜工程技术研究中心（天津） | Preparation method of fresh-keeping film with high carbon dioxide permeability and application thereof |
| WO2011046661A1 (en) * | 2009-07-24 | 2011-04-21 | The Regents Of The University Of Colorado, A Body Corporate | Imidazolium-based room-temperature ionic liquids, polymers monomers and membranes incorporating same |
| CN102500324A (en) * | 2011-10-08 | 2012-06-20 | 中国科学院山西煤炭化学研究所 | Organic-inorganic composite carbon dioxide adsorbing material and preparation method thereof |
| CN103170251A (en) * | 2011-12-20 | 2013-06-26 | 新奥科技发展有限公司 | Coating liquid used for preparing CO2 separating composite film, and CO2 separating composite film |
| CN103230783A (en) * | 2013-04-19 | 2013-08-07 | 上海交通大学 | Compound type carbon dioxide adsorbent |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227360A (en) * | 2019-06-06 | 2019-09-13 | 太原理工大学 | A kind of preparation method and application of blend film that adulterating lignosulfonates |
| CN110227360B (en) * | 2019-06-06 | 2021-09-24 | 太原理工大学 | Preparation method and application of lignosulfonate-doped blend membrane |
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