CN103894157A - Preparation method and application of paper pulp/nano-carbon composite material - Google Patents
Preparation method and application of paper pulp/nano-carbon composite material Download PDFInfo
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- CN103894157A CN103894157A CN201410113766.0A CN201410113766A CN103894157A CN 103894157 A CN103894157 A CN 103894157A CN 201410113766 A CN201410113766 A CN 201410113766A CN 103894157 A CN103894157 A CN 103894157A
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Abstract
The invention relates to a preparation method and the application of a paper pulp/nano-carbon composite material, and aims to overcome the defects of poor mechanical performance, difficulty in forming and poor adsorption capacity of the conventional composite material. The preparation method comprises the following steps: firstly, preparing cellulose; secondly, dispersing the cellulose into a NaOH-urea solution for reacting; thirdly, preparing the paper pulp/nano-carbon composite material. According to the preparation method, the characteristics of a porous material are fully utilized and the porous material is extremely easy to separate; the raw materials are easily obtained; the cost is low; the method is simple and quick and is suitable for large-scale production. Because of a large specific surface, efficient adsorption property, and high stability and separation characteristics, the paper pulp/nano-carbon composite material has an important application prospect in the field of organic pollution treatment and the like. The porous paper pulp/nano-carbon composite microspheres and thin films prepared by the preparation method are used for repair of the organic pollution environments, such as a water body, soil and atmosphere, and the removal rate of the aromatic compound in the middle-low-degree pollution environment can reach over 92 percent.
Description
Technical field
The present invention relates to preparation method and the application thereof of composite.
Background technology
Aromatic compound is as the common chemicals of a class, and such material is because of all savory gaining the name of major part at the beginning of finding.But in this class material, major part is all to have carcinogenesis, or nervous system to human body, digestive systems etc. have injury.Such as benzene, toluene, styrene etc. can cause human body distortion, canceration etc.In modern humans's productive life, aromatic compound is almost ubiquitous, as dyestuff (printing and dyeing etc.), Industrial " three Waste ", household chemicals, decoration, paint etc.They are potential mostly, but fatal.Cause the attention of countries in the world and international organization.The U.S. just has the special survey that specialized agency lasts 5 years to find: many civilian and commercial buildings, and indoor air pollution degree is 2-5 times of outdoor air pollution, what have even exceedes 100 times.Also become in China's atmosphere pollution, construction material pollution etc. the large hot issue that the common people pay close attention to.Therefore, be subject to paying close attention to widely for the purification of aromatic compound.Common improvement method comprises chemical precipitation method, ion-exchange, hyperfiltration, oxidation-reduction method, photocatalytic degradation method etc.Because these methods exist periodically length, eurytopicity is poor, high cost, the shortcomings such as poor practicability and inefficiency.And adsorbent rule can overcome above shortcoming, become one efficient, easy, the effective way of remove fast/purification aromatic compound.Nano material, compared with traditional material, has brand-new good physical/chemical properties.Particularly have the graphite mould such as CNT and the Graphene carbon nanomaterial of direct correlation with the birth of nanometer technology and development, due to they huge specific area, uniqueness and single sp
2the cellular carbon skeleton structure of hybridized orbit, make its to aromatic compound have excellent Selective adsorption, the good characteristic such as stable chemical/physical characteristic, quality is light and hot strength is high, conductor/semiconductor character coexists, and studied person's extensive concern and expectation.
In recent years, the advantage that microballoon, thin-film material easily reclaim because of it, and become a kind of novel absorption material with wide application prospect.As with low cost, prepare the synthetic of simple paper pulp (cellulose)/carbon nanomaterial complex microsphere, film and at the rarely seen report of research that purifies aromatic series organic pollution.And also not good, difficult forming of ubiquity mechanical performance all of composite in only report, the defect such as adsorption capacity is poor.
Summary of the invention
The present invention will solve existing composite and have that mechanical performance is not good, difficult forming, and the defect that adsorption capacity is poor, provides preparation method and the application thereof of paper pulp/nano carbon composite material.
The preparation method of paper pulp/nano carbon composite material, specifically carries out according to following steps:
One, by under the condition that newspaper in temperature is more than 100 DEG C, pressure is 90MPa～150MPa, process and obtain cellulose;
Two, cellulose step 1 being obtained is distributed in NaOH-urea liquid through ultrasonic agitation, then controls temperature for-12 DEG C of stirring 5min, and being then warming up to temperature is 25 DEG C, obtains mixed solution;
Three, be distributed in deionized water ultrasonic nano-carbon material, then add the mixed solution that step 2 obtains to stir 10min, then join HNO
3concentration be in the mass concentration of 2mol/L and the NaCl mixed liquor that is 10%, then be washed till neutrality by deionized water, obtain paper pulp/nano carbon composite material.
Paper pulp/the nano carbon composite material of above-mentioned preparation is paper pulp/nano-sized carbon microballoon.
The preparation method of paper pulp/nano carbon composite material, specifically carries out according to following steps:
One, by under the condition that newspaper in temperature is more than 100 DEG C, pressure is 90MPa～150MPa, process and obtain cellulose;
Two, cellulose step 1 being obtained is distributed in NaOH-urea liquid through ultrasonic agitation, then controls temperature for-12 DEG C of stirring 5min, and being then warming up to temperature is 25 DEG C, obtains mixed solution;
Three, be distributed in deionized water ultrasonic nano-carbon material, then add the mixed solution that step 2 obtains to stir 10min, then be washed till neutrality by deionized water, then suction filtration is dry, obtains paper pulp/nano carbon composite material.
Paper pulp/the nano carbon composite material of above-mentioned preparation is paper pulp/nano-sized carbon film.
Above-mentioned paper pulp/nano carbon composite material is for the reparation of organic pollutants-contaminated environment: A research review.
The invention has the beneficial effects as follows: the material that porous provided by the invention (nano-sized carbon) composite is reported before being different from, it has large specific surface, in water, have good stable, adsorption capacity/efficiency is high.The inventive method takes full advantage of the characteristic of porous material, very easily separates, and has that raw material is easy to get, cost is low, method is simple rapidly, be suitable for large-scale production.Due to its Large ratio surface having, adsorptivity efficiently, good stability and stalling characteristic, have important application prospect in fields such as organic contamination processing.
Prepared porous paper pulp/Nano Carbon microballoon and film in the present invention, for the reparation of the organic pollutants-contaminated environment: A research reviews such as water body, soil, atmosphere, in middle low contaminated environment, the clearance of aromatic compound can reach more than 92%.
The present invention prepares the reparation of paper pulp/nano carbon composite material for organic pollutants-contaminated environment: A research review.
Detailed description of the invention
Technical solution of the present invention is not limited to following cited detailed description of the invention, also comprises any combination between each detailed description of the invention.
Detailed description of the invention one: the preparation method of present embodiment paper pulp/nano carbon composite material, specifically carries out according to following steps:
One, by under the condition that newspaper in temperature is more than 100 DEG C, pressure is 90MPa～150MPa, process and obtain cellulose;
Two, cellulose step 1 being obtained is distributed in NaOH-urea liquid through ultrasonic agitation, then controls temperature for-12 DEG C of stirring 5min, and being then warming up to temperature is 25 DEG C, obtains mixed solution;
Three, be distributed in deionized water ultrasonic nano-carbon material, then add the mixed solution that step 2 obtains to stir 10min, then join HNO
3concentration be in the mass concentration of 2mol/L and the NaCl mixed liquor that is 10%, then be washed till neutrality by deionized water, obtain paper pulp/nano carbon composite material.
Paper pulp/nano carbon composite material prepared by present embodiment is paper pulp/nano-sized carbon microballoon.
Detailed description of the invention two: the preparation method of present embodiment paper pulp/nano carbon composite material, specifically carries out according to following steps:
One, by under the condition that newspaper in temperature is more than 100 DEG C, pressure is 90MPa～150MPa, process and obtain cellulose;
Two, cellulose step 1 being obtained is distributed in NaOH-urea liquid through ultrasonic agitation, then controls temperature for-12 DEG C of stirring 5min, and being then warming up to temperature is 25 DEG C, obtains mixed solution;
Three, be distributed in deionized water ultrasonic nano-carbon material, then add the mixed solution that step 2 obtains to stir 10min, then be washed till neutrality by deionized water, then suction filtration is dry, obtains paper pulp/nano carbon composite material.
Paper pulp/nano carbon composite material prepared by present embodiment is paper pulp/nano-sized carbon film.
Detailed description of the invention three: present embodiment is different from detailed description of the invention one or two: in the NaOH-urea liquid described in step 2, the mass concentration of the mass concentration 7% of NaOH, urea is 12%.Other is identical with detailed description of the invention one or two.
Detailed description of the invention four: present embodiment is different from detailed description of the invention one or two: the cellulosic quality described in step 2 and the volume ratio of NaOH-urea liquid are 0.6g: 10mL.Other is identical with detailed description of the invention one or two.
Detailed description of the invention five: present embodiment is different from detailed description of the invention one or two: in step 3, nano-carbon material is Graphene, graphene oxide or CNT.Other is identical with detailed description of the invention one or two.
Detailed description of the invention six: present embodiment is different from detailed description of the invention one or two: in step 3, the mass ratio of nano-carbon material and mixed solution is 0.1%～50%.Other is identical with detailed description of the invention one or two.
Detailed description of the invention seven: present embodiment is different from detailed description of the invention one: HNO in step 3
3with cellulosic mass ratio in the volume of the mixed liquor of NaCl and step 2 be 100mL: 0.6g.Other is identical with detailed description of the invention one.
Detailed description of the invention eight: the paper pulp/nano carbon composite material of detailed description of the invention one or two preparations purifies for the reparation of environment Poisoning organic pollution as sorbing material.
Adopt following examples to verify beneficial effect of the present invention:
Embodiment mono-:
The preparation method of the present embodiment paper pulp/nano carbon composite material, specifically carries out according to following steps:
One, be under 120 DEG C, the pressure condition that is 100MPa by newspaper in temperature, process and obtain cellulose;
Two, cellulose 0.6g step 1 being obtained is distributed in the NaOH-urea liquid of 10mL through ultrasonic agitation, control again temperature for-12 DEG C of stirring 5min, then being warming up to temperature is 25 DEG C, obtain mixed solution, wherein in NaOH-urea liquid, the mass concentration of the mass concentration 7% of NaOH, urea is 12%;
Three, be distributed in 5mL deionized water ultrasonic nano-carbon material, then add the mixed solution that step 2 obtains to stir 10min, then join HNO
3concentration be in the mass concentration of 2mol/L and the NaCl mixed liquor that is 10%, then be washed till neutrality by deionized water, obtain paper pulp/nano carbon composite material, wherein, HNO
3with the volume of the mixed liquor of NaCl be 100mL.
The newspaper that in the present embodiment, step 1 adopts is old and useless newspaper.
Paper pulp/nano carbon composite material prepared by the present embodiment is paper pulp/nano-sized carbon microballoon.
Embodiment bis-:
The preparation method of the present embodiment paper pulp/nano carbon composite material, specifically carries out according to following steps:
One, be under 120 DEG C, the pressure condition that is 100MPa by newspaper in temperature, process and obtain cellulose;
Two, cellulose 0.6g step 1 being obtained is distributed in the NaOH-urea liquid of 10mL through ultrasonic agitation, control again temperature for-12 DEG C of stirring 5min, then being warming up to temperature is 25 DEG C, obtain mixed solution, wherein in NaOH-urea liquid, the mass concentration of the mass concentration 7% of NaOH, urea is 12%;
Three, be distributed in 5mL deionized water ultrasonic nano-carbon material, then add the mixed solution that step 2 obtains to stir 10min, then be washed till neutrality by deionized water, then suction filtration is dry, obtains paper pulp/nano carbon composite material.
The newspaper that in the present embodiment, step 1 adopts is old and useless newspaper.
Paper pulp/nano carbon composite material prepared by the present embodiment is paper pulp/nano-sized carbon film.
Above-described embodiment method takes full advantage of the characteristic of porous material, very easily separates, and has that raw material is easy to get, cost is low, method is simple rapidly, be suitable for large-scale production.Due to its Large ratio surface having, adsorptivity efficiently, good stability and stalling characteristic, have important application prospect in fields such as organic contamination processing.
Prepared porous paper pulp/Nano Carbon microballoon and film in above-described embodiment, for the reparation of the organic pollutants-contaminated environment: A research reviews such as water body, soil, atmosphere, in middle low contaminated environment, the clearance of aromatic compound can reach more than 92%.
Claims (8)
1. the preparation method of paper pulp/nano carbon composite material, is characterized in that specifically carrying out according to following steps:
One, by under the condition that newspaper in temperature is more than 100 DEG C, pressure is 90MPa～150MPa, process and obtain cellulose;
Two, cellulose step 1 being obtained is distributed in NaOH-urea liquid through ultrasonic agitation, then controls temperature for-12 DEG C of stirring 5min, and being then warming up to temperature is 25 DEG C, obtains mixed solution;
Three, be distributed in deionized water ultrasonic nano-carbon material, then add the mixed solution that step 2 obtains to stir 10min, then join HNO
3concentration be in the mass concentration of 2mol/L and the NaCl mixed liquor that is 10%, then be washed till neutrality by deionized water, obtain paper pulp/nano carbon composite material.
2. the preparation method of paper pulp/nano carbon composite material, is characterized in that specifically carrying out according to following steps:
One, by under the condition that newspaper in temperature is more than 100 DEG C, pressure is 90MPa～150MPa, process and obtain cellulose;
Two, cellulose step 1 being obtained is distributed in NaOH-urea liquid through ultrasonic agitation, then controls temperature for-12 DEG C of stirring 5min, and being then warming up to temperature is 25 DEG C, obtains mixed solution;
Three, be distributed in deionized water ultrasonic nano-carbon material, then add the mixed solution that step 2 obtains to stir 10min, then be washed till neutrality by deionized water, then suction filtration is dry, obtains paper pulp/nano carbon composite material.
3. the preparation method of paper pulp/nano carbon composite material according to claim 1 and 2, is characterized in that the mass concentration 7% of NaOH in the NaOH-urea liquid described in step 2, the mass concentration of urea are 12%.
4. the preparation method of paper pulp/nano carbon composite material according to claim 1 and 2, is characterized in that cellulosic quality described in step 2 and the volume ratio of NaOH-urea liquid are 0.6g: 10mL.
5. the preparation method of paper pulp/nano carbon composite material according to claim 1 and 2, is characterized in that in step 3, nano-carbon material is Graphene, graphene oxide or CNT.
6. the preparation method of paper pulp/nano carbon composite material according to claim 1 and 2, is characterized in that in step 3, the mass ratio of nano-carbon material and mixed solution is 0.1%～50%.
7. the preparation method of paper pulp/nano carbon composite material according to claim 1, is characterized in that HNO in step 3
3with cellulosic mass ratio in the volume of the mixed liquor of NaCl and step 2 be 100mL: 0.6g.
8. as the application of the paper pulp/nano carbon composite material of claim 1 or 2 preparations, it is characterized in that paper pulp/nano carbon composite material purifies for the reparation of environment Poisoning organic pollution as sorbing material.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104324554A (en) * | 2014-10-29 | 2015-02-04 | 天津唯能环境科技有限公司 | High-thermal conductivity graphene composite heat conducting filter material |
| CN110745888A (en) * | 2019-11-20 | 2020-02-04 | 湖南工业大学 | Microporous cellulose water purification material and preparation method thereof |
| CN110917825A (en) * | 2019-11-29 | 2020-03-27 | 中国石油大学(华东) | Composite aerogel moisture absorption material and preparation method and application thereof |
| CN111069274A (en) * | 2019-12-17 | 2020-04-28 | 中国科学院南京土壤研究所 | Nano-bioremediation method for soil in high-concentration polycyclic aromatic hydrocarbon contaminated site |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212379A (en) * | 2013-05-17 | 2013-07-24 | 东北林业大学 | Method for preparing cellulose based dye waste water purification material with waste newspaper |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212379A (en) * | 2013-05-17 | 2013-07-24 | 东北林业大学 | Method for preparing cellulose based dye waste water purification material with waste newspaper |
Non-Patent Citations (1)
| Title |
|---|
| HAOCHUN SHI ET AL.: "Methylene Blue Adsorption from Aqueous Solution by Magnetic Cellulose/Graphene Oxide Composite: Equilibrium, Kinetics, and Thermodynamics", 《INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH》, vol. 53, 24 December 2013 (2013-12-24), pages 1108 - 1118 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104324554A (en) * | 2014-10-29 | 2015-02-04 | 天津唯能环境科技有限公司 | High-thermal conductivity graphene composite heat conducting filter material |
| CN110745888A (en) * | 2019-11-20 | 2020-02-04 | 湖南工业大学 | Microporous cellulose water purification material and preparation method thereof |
| CN110745888B (en) * | 2019-11-20 | 2022-12-06 | 湖南工业大学 | Microporous cellulose water purification material and preparation method thereof |
| CN110917825A (en) * | 2019-11-29 | 2020-03-27 | 中国石油大学(华东) | Composite aerogel moisture absorption material and preparation method and application thereof |
| CN110917825B (en) * | 2019-11-29 | 2022-02-15 | 中国石油大学(华东) | Composite aerogel moisture absorption material and preparation method and application thereof |
| CN111069274A (en) * | 2019-12-17 | 2020-04-28 | 中国科学院南京土壤研究所 | Nano-bioremediation method for soil in high-concentration polycyclic aromatic hydrocarbon contaminated site |
| CN111069274B (en) * | 2019-12-17 | 2021-08-10 | 中国科学院南京土壤研究所 | Nano-bioremediation method for soil in high-concentration polycyclic aromatic hydrocarbon contaminated site |
| US11278944B2 (en) * | 2019-12-17 | 2022-03-22 | Institute Of Soil Science, Chinese Academy Of Sciences | Nanobioremediation method for soil in high-concentration polycyclic aromatic hydrocarbon (PAH)-contaminated site |
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| CN103894157B (en) | 2016-08-17 |
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