CN111849100A - Activated carbon binder and preparation method thereof - Google Patents
Activated carbon binder and preparation method thereof Download PDFInfo
- Publication number
- CN111849100A CN111849100A CN202010409390.3A CN202010409390A CN111849100A CN 111849100 A CN111849100 A CN 111849100A CN 202010409390 A CN202010409390 A CN 202010409390A CN 111849100 A CN111849100 A CN 111849100A
- Authority
- CN
- China
- Prior art keywords
- activated carbon
- binder
- polyvinyl alcohol
- potassium hydroxide
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 239000011230 binding agent Substances 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title abstract description 9
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims abstract description 75
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 24
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229920002545 silicone oil Polymers 0.000 claims abstract description 13
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000012745 toughening agent Substances 0.000 claims abstract description 7
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 17
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 10
- 239000003607 modifier Substances 0.000 claims description 9
- 229920006122 polyamide resin Polymers 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 229920000877 Melamine resin Polymers 0.000 claims description 6
- 239000004640 Melamine resin Substances 0.000 claims description 6
- HANVTCGOAROXMV-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine;urea Chemical compound O=C.NC(N)=O.NC1=NC(N)=NC(N)=N1 HANVTCGOAROXMV-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- -1 aldehyde compound Chemical class 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 3
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 229920005546 furfural resin Polymers 0.000 claims description 3
- 150000002484 inorganic compounds Chemical group 0.000 claims description 3
- 229910010272 inorganic material Inorganic materials 0.000 claims description 3
- 239000012948 isocyanate Substances 0.000 claims description 3
- 150000002513 isocyanates Chemical class 0.000 claims description 3
- 150000007524 organic acids Chemical class 0.000 claims description 3
- 239000005011 phenolic resin Substances 0.000 claims description 3
- 229920001225 polyester resin Polymers 0.000 claims description 3
- 239000004645 polyester resin Substances 0.000 claims description 3
- 229920001021 polysulfide Polymers 0.000 claims description 3
- 239000005077 polysulfide Substances 0.000 claims description 3
- 150000008117 polysulfides Polymers 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000002194 synthesizing effect Effects 0.000 claims description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 2
- 230000004913 activation Effects 0.000 abstract description 6
- 239000010426 asphalt Substances 0.000 abstract description 6
- 230000001737 promoting effect Effects 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 6
- 239000012752 auxiliary agent Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000003213 activating effect Effects 0.000 abstract description 3
- 239000003513 alkali Substances 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 abstract description 3
- 239000008247 solid mixture Substances 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 3
- 229960001763 zinc sulfate Drugs 0.000 description 3
- 229910000368 zinc sulfate Inorganic materials 0.000 description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical group [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920001568 phenolic resin Chemical group 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N Butyraldehyde Chemical group CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 1
- 206010007269 Carcinogenicity Diseases 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 231100000260 carcinogenicity Toxicity 0.000 description 1
- 230000007670 carcinogenicity Effects 0.000 description 1
- 231100000481 chemical toxicant Toxicity 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 231100000760 phototoxic Toxicity 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000008149 soap solution Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L29/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
- C08L29/02—Homopolymers or copolymers of unsaturated alcohols
- C08L29/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention relates to an active carbon binder and a preparation method thereof, wherein the binder comprises the following components in percentage by mass: 40-60% of water, 1-5% of cross-linking agent, 1-5% of modifying agent, 0.5-1.5% of toughening agent, 10-40% of polyvinyl alcohol, 5-15% of emulsified silicone oil and 10-30% of potassium hydroxide. The active carbon binder is prepared from substances without asphalt components, and is safe and environment-friendly; the main component of the binder is a solid mixture, and the binder is convenient to package, transport and store; when in use, the water is used for configuration according to the operation flow, and the use is simple and convenient and the operation is easy; the binding agent contains KOH, is an ideal activating agent for preparing the super activated carbon by an alkali activation method, can be used as a forming auxiliary agent, has the function of promoting an activation reaction, and has an effect of promoting the formation of activated carbon pores.
Description
Technical Field
The invention relates to a binder, in particular to an environment-friendly multifunctional activated carbon binder and a preparation method thereof.
Background
With the development of economy and society, various environmental pollution problems such as air and water pollution become more serious. The activated carbon as an efficient adsorption material has wider and wider application and continuously increased demand in the aspect of environmental management, and the application fields of the activated carbon comprise various industries such as household appliance industry, food industry, medical treatment and health care, chemical industry, metallurgical industry, pharmaceutical industry and the like. Compared with the powder active carbon, the formed active carbon has the advantages of easy modulation and processing, high density, high heat conductivity coefficient, high strength, no dust pollution, high adsorption capacity of unit volume and the like, and has various shapes such as honeycomb, strip, column, sphere and the like so as to meet the requirements of different use scenes. The binder is an important component raw material for preparing the formed activated carbon, and can improve the performances of the formed carbon, such as processability, strength and the like. As various chemical auxiliary agents are inevitably used in the adhesive, the environmental protection property is fully considered, and the increase of the functionality is an effective means for the efficient utilization of the adhesive.
The existing preparation method of the activated carbon binder generally comprises the steps of preparing raw material asphalt, preparing soap solution and mixing. Such a binder has the following problems:
asphalt is a toxic chemical material, has a phototoxic effect, has irritation to skin, carcinogenicity and greater pollution to the environment, so the adhesive taking the asphalt as a main raw material also has the problem and is not the most environment-friendly material.
Disclosure of Invention
The invention aims to solve the problems and provides an environment-friendly multifunctional activated carbon binder and a preparation method thereof.
In order to achieve the aim, the invention provides an activated carbon binder, which comprises the following components in percentage by mass: 40-60% of water, 1-5% of cross-linking agent, 1-5% of modifying agent, 0.5-1.5% of toughening agent, 10-40% of polyvinyl alcohol, 5-15% of emulsified silicone oil and 10-30% of potassium hydroxide.
According to one aspect of the invention, the crosslinking agent is an inorganic compound, a polybasic organic acid or an aldehyde compound.
According to one aspect of the invention, the modifier is one or more of polysulfide rubber, polyamide resin, polyvinyl alcohol tertiary butyl aldehyde, nitrile rubber, phenolic resin, polyester resin, urea-formaldehyde melamine resin, furfural resin, vinyl resin, isocyanate, and silicone compound.
According to one aspect of the invention, the modifier is one or a mixture of two of urea-formaldehyde melamine resin and polyamide resin.
According to one aspect of the invention, the toughening agent is one or a mixture of two of dibutyl phthalate and dioctyl phthalate.
According to one aspect of the invention, the potassium hydroxide is a technical grade solid.
In order to achieve the above object, the present invention provides a method for preparing the above activated carbon binder, comprising the steps of:
a. preparing a polyvinyl alcohol solution: mixing polyvinyl alcohol, water and emulsified silicone oil according to the mass percentage of 10-40%, 40-60% and 5-15%, heating to 60-100 ℃ under stirring, and stirring for 5-15min under heat preservation for later use after all the polyvinyl alcohol, the water and the emulsified silicone oil are dissolved;
b. preparing a potassium hydroxide solution: slowly adding potassium hydroxide into the prepared water, stirring and cooling continuously, mixing according to the mass percentage of 40-60% of water and 10-30% of potassium hydroxide, and completely dissolving for later use;
c. synthesizing a binder: and c, slowly adding the potassium hydroxide solution prepared in the step b into the polyvinyl alcohol solution in the step a under the stirring state, sequentially adding a modifier, a flexibilizer and a cross-linking agent when a uniform solution is formed, and cooling to room temperature to obtain a finished product.
According to the activated carbon binder, substances without asphalt components are adopted to prepare the activated carbon binder, so that the activated carbon binder is safe and environment-friendly; the main component of the binder is a solid mixture, and the binder is convenient to package, transport and store; when in use, the water is used for configuration according to the operation flow, and the use is simple and convenient and the operation is easy; the binding agent contains KOH, is an ideal activating agent for preparing the super activated carbon by an alkali activation method, can be used as a forming auxiliary agent, has the function of promoting an activation reaction, and has an effect of promoting the formation of activated carbon pores.
Detailed Description
One scheme of the invention is to provide an environment-friendly multifunctional activated carbon binder, and the activated carbon binder is composed of the following substances in percentage by mass:
40-60% of water, 1-5% of cross-linking agent, 1-5% of modifying agent, 0.5-1.5% of toughening agent, 10-40% of polyvinyl alcohol, 5-15% of emulsified silicone oil and 10-30% of potassium hydroxide.
In the present invention, the crosslinking agent may be an inorganic compound such as sodium sulfate, zinc sulfate, boric acid (borax, etc.), or may be a polybasic organic acid or an aldehyde compound.
The modifier can be one or more of polysulfide rubber, polyamide resin, polyvinyl alcohol tert-butyl aldehyde, nitrile rubber, phenolic resin, polyester resin, urea-formaldehyde melamine resin, furfural resin, vinyl resin, isocyanate, silicone resin and other compounds.
Preferably, the modifier is one of urea-formaldehyde melamine resin and polyamide resin or a mixture of the two resins.
The toughening agent is one or a mixture of dibutyl phthalate and dioctyl phthalate.
In the present invention, preferably, potassium hydroxide is a technical grade solid.
Another aspect of the present invention provides a method for preparing the activated carbon binder, including the following steps:
a. preparing a polyvinyl alcohol solution: mixing polyvinyl alcohol, water and emulsified silicone oil according to the mass percentage of 10-40%, 40-60% and 5-15%, heating to 60-100 ℃ under stirring, and stirring for 5-15min under heat preservation for later use after all the polyvinyl alcohol, the water and the emulsified silicone oil are dissolved;
b. preparing a potassium hydroxide solution: slowly adding potassium hydroxide into the prepared water, stirring and cooling continuously, mixing according to the mass percentage of 40-60% of water and 10-30% of potassium hydroxide, and completely dissolving for later use;
c. synthesizing a binder: and c, slowly adding the potassium hydroxide solution prepared in the step b into the polyvinyl alcohol solution in the step a under the stirring state, sequentially adding a modifier, a flexibilizer and a cross-linking agent when a uniform solution is formed, and cooling to room temperature to obtain a finished product.
The technical solution of the present invention is explained in detail by a specific example.
Example 1:
the technical method of the invention is explained in detail by taking 100 kg as an example as follows:
a multifunctional activated carbon forming binder comprises the following components in percentage by mass: 50% of water, 1% of emulsified silicone oil, 30% of polyvinyl alcohol, 15% of KOH, 1.5% of zinc sulfate, 2% of polyamide resin and 0.5% of dibutyl phthalate, and the preparation steps are as follows:
1) preparing a polyvinyl alcohol solution: weighing 30 kg of water, 30 kg of polyvinyl alcohol and 1 kg of emulsified silicone oil, slowly adding the polyvinyl alcohol into the water under the stirring state, simultaneously heating to 60-100 ℃, adding the emulsified silicone oil after completely dissolving, and preserving heat for later use:
2) preparation of KOH solution: weighing 20 kg of water and 15 kg of industrial-grade potassium hydroxide, slowly adding KOH into the water while stirring, and dissolving the KOH and the potassium hydroxide completely for later use;
3) preparation of the binder: slowly adding the KOH solution prepared in the step 2) into the polyvinyl alcohol solution prepared in the step 1) under the stirring state, stirring at room temperature, after the solution becomes a homogeneous liquid, sequentially adding 2 kg of polyamide resin, 0.5 kg of dibutyl phthalate and 1.5 kg of zinc sulfate, uniformly stirring, and naturally cooling to obtain a finished product.
Of course, in the present invention, the above embodiment 1 is only one preferred embodiment of the present invention, and the present invention may have other embodiments, and as for other embodiments, the proportioning relationship of each material may be changed on the basis of the embodiment 1, and the other conditions are not changed.
According to the scheme of the invention, the activated carbon binder is prepared by adopting a substance without asphalt components, so that the activated carbon binder is safe and environment-friendly; the main component of the binder is a solid mixture, and the binder is convenient to package, transport and store; when in use, the water is used for configuration according to the operation flow, and the use is simple and convenient and the operation is easy; the binding agent contains KOH, is an ideal activating agent for preparing the super activated carbon by an alkali activation method, can be used as a forming auxiliary agent, has the function of promoting an activation reaction, and has an effect of promoting the formation of activated carbon pores.
The above description is only one embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The active carbon binder is characterized by comprising the following components in percentage by mass: 40-60% of water, 1-5% of cross-linking agent, 1-5% of modifying agent, 0.5-1.5% of toughening agent, 10-40% of polyvinyl alcohol, 5-15% of emulsified silicone oil and 10-30% of potassium hydroxide.
2. The activated carbon binder of claim 1, wherein the cross-linking agent is an inorganic compound, a polybasic organic acid, or an aldehyde compound.
3. The activated carbon binder of claim 1, wherein the modifier is one or more of polysulfide rubber, polyamide resin, polyvinyl alcohol tert-butyl aldehyde, nitrile rubber, phenol resin, polyester resin, urea-formaldehyde melamine resin, furfural resin, vinyl resin, isocyanate, and silicone compound.
4. The activated carbon binder of claim 3, wherein the modifier is one or a mixture of two of urea formaldehyde melamine resin and polyamide resin.
5. The activated carbon binder of claim 1, wherein the toughening agent is one or a mixture of two of dibutyl phthalate and dioctyl phthalate.
6. The activated carbon binder of claim 1, wherein the potassium hydroxide is a technical grade solid.
7. A method of preparing the activated carbon binder of any one of claims 1 to 6, comprising the steps of:
a. preparing a polyvinyl alcohol solution: mixing polyvinyl alcohol, water and emulsified silicone oil according to the mass percentage of 10-40%, 40-60% and 5-15%, heating to 60-100 ℃ under stirring, and stirring for 5-15min under heat preservation for later use after all the polyvinyl alcohol, the water and the emulsified silicone oil are dissolved;
b. preparing a potassium hydroxide solution: slowly adding potassium hydroxide into the prepared water, stirring and cooling continuously, mixing according to the mass percentage of 40-60% of water and 10-30% of potassium hydroxide, and completely dissolving for later use;
c. synthesizing a binder: and c, slowly adding the potassium hydroxide solution prepared in the step b into the polyvinyl alcohol solution in the step a under the stirring state, sequentially adding a modifier, a flexibilizer and a cross-linking agent when a uniform solution is formed, and cooling to room temperature to obtain a finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010409390.3A CN111849100A (en) | 2020-05-14 | 2020-05-14 | Activated carbon binder and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010409390.3A CN111849100A (en) | 2020-05-14 | 2020-05-14 | Activated carbon binder and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111849100A true CN111849100A (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202010409390.3A Pending CN111849100A (en) | 2020-05-14 | 2020-05-14 | Activated carbon binder and preparation method thereof |
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| Country | Link |
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| CN (1) | CN111849100A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112679215A (en) * | 2020-12-29 | 2021-04-20 | 杭州史宾纳科技有限公司 | Method for dry pressing and forming permanent magnetic ferrite |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104788862A (en) * | 2014-01-17 | 2015-07-22 | 曲阜天博晶碳科技有限公司 | Preparation method of hydrophilic porous formed activated carbon |
| CN105219303A (en) * | 2015-10-29 | 2016-01-06 | 山西永力实业有限公司 | A kind of active carbon forming sticks with glue agent and preparation method thereof |
| CN106082215A (en) * | 2016-06-08 | 2016-11-09 | 北京化工大学 | A kind of active carbon forming method with polyvinyl alcohol as binding agent |
-
2020
- 2020-05-14 CN CN202010409390.3A patent/CN111849100A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104788862A (en) * | 2014-01-17 | 2015-07-22 | 曲阜天博晶碳科技有限公司 | Preparation method of hydrophilic porous formed activated carbon |
| CN105219303A (en) * | 2015-10-29 | 2016-01-06 | 山西永力实业有限公司 | A kind of active carbon forming sticks with glue agent and preparation method thereof |
| CN106082215A (en) * | 2016-06-08 | 2016-11-09 | 北京化工大学 | A kind of active carbon forming method with polyvinyl alcohol as binding agent |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112679215A (en) * | 2020-12-29 | 2021-04-20 | 杭州史宾纳科技有限公司 | Method for dry pressing and forming permanent magnetic ferrite |
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Application publication date: 20201030 |