CN110871054A - Preparation process of activated carbon water slurry agent - Google Patents
Preparation process of activated carbon water slurry agent Download PDFInfo
- Publication number
- CN110871054A CN110871054A CN201811007344.XA CN201811007344A CN110871054A CN 110871054 A CN110871054 A CN 110871054A CN 201811007344 A CN201811007344 A CN 201811007344A CN 110871054 A CN110871054 A CN 110871054A
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- CN
- China
- Prior art keywords
- activated carbon
- agent
- water slurry
- active carbon
- dispersing agent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
Abstract
The active carbon water slurry agent is characterized in that the active carbon water slurry agent comprises the following raw materials in parts by weight: activated carbon: dispersing agent: 100% stabilizer: 1-10: 1-10.
Description
Technical Field
The invention belongs to the field of environmental protection, and particularly relates to a preparation process of an activated carbon water slurry agent.
Background
The active carbon is used as a broad-spectrum adsorption material, is widely used in water treatment and gas treatment occasions, but the existing active carbon only has particles and powder and is inconvenient to pump and spray, and the active carbon is used as a non-polar hydrophobic substance and is not in good contact with water in a wetting way, so that the adsorption of impurities in water by the active carbon is influenced; therefore, it is necessary to develop a liquid activated carbon slurry.
Disclosure of Invention
In order to disperse the powder-granular solid activated carbon in liquid water, a dispersing agent is required to be introduced, and the dispersing agent is characterized by effectively adsorbing on the surface of the activated carbon, improving the hydrophilicity of the activated carbon and forming an electric double layer and a steric barrier on the surface of the activated carbon;
on the basis of cost consideration, the dispersant is selected from anionic dispersants which mainly comprise naphthalene sulfonate, lignosulfonate, sulfonated humate, polycarboxylic acid series and the like;
in view of experimental effect and resource utilization, it is preferable to extract the produced sodium lignosulfonate from the papermaking black liquor; because the active carbon water slurry agent is a coarse particle suspension and belongs to a dynamic unstable system, the main method for stabilizing the active carbon water slurry agent is to add a stabilizing agent to make the active carbon water slurry agent become a thixotropic body;
the stabilizer has the function of enabling the dispersed active carbon particles in the active carbon slurry agent to be combined with other surrounding active carbon particles and water into a weaker three-dimensional structure with certain strength; thereby effectively preventing the particles from precipitating and preventing the separation between solid and liquid;
the stabilizer which can play the role comprises inorganic salt and high molecular organic compounds, such as common sodium alginate, polyacrylamide flocculant, carboxymethyl cellulose, some micro colloidal particles (such as organic bentonite) and the like;
from the aspects of experimental effect and cost, sodium alginate is preferred;
the production process of the activated carbon water slurry agent comprises the following steps:
1. crushing the activated carbon powder to 200-600 meshes;
2. quantitatively loading the crushed active carbon into a non-gravity mixer, starting the non-gravity mixer, and quantitatively adding a dispersing agent through a solid screw quantitative pump A to uniformly mix the dispersing agent and the active carbon;
3. after the dispersing agent and the active carbon are uniformly mixed, the stabilizing agent is quantitatively added through a solid screw quantitative pump B, so that the active carbon, the dispersing agent and the stabilizing agent are uniformly mixed;
4. weighing, and waterproof packaging for later use;
the method for producing the activated carbon water slurry agent by using the activated carbon water slurry agent raw material comprises the following steps:
uniformly mixing the raw materials of the activated carbon water slurry, namely activated carbon, a dispersing agent and a stabilizing agent, adding a certain amount of water, and stirring to obtain the activated carbon water slurry;
the activated carbon slurry can be pumped and sprayed.
Detailed Description
The active carbon water slurry agent is prepared with active carbon, dispersant and stabilizer, and features that the active carbon water slurry agent consists of active carbon, dispersant and stabilizer
The active carbon water slurry agent comprises the following raw materials in parts by weight: activated carbon: dispersing agent: 100% stabilizer: 1-10: 1-10;
preferably, the weight ratio of each component is as follows: sodium lignosulfonate: sodium alginate
＝100:3.0-5.0：2.0-4.0；
The production process of the activated carbon water slurry agent comprises the following steps:
5. crushing the activated carbon powder to 200-600 meshes;
6. weighing and loading the crushed active carbon into a non-gravity mixer, starting the non-gravity mixer, and quantitatively adding a dispersing agent through a solid screw quantitative pump A to uniformly mix the dispersing agent and the active carbon;
7. after the dispersing agent and the active carbon are uniformly mixed, the stabilizing agent is quantitatively added through a solid screw quantitative pump B, so that the active carbon, the dispersing agent and the stabilizing agent are uniformly mixed;
8. weighing, and waterproof packaging for later use;
the method for producing the activated carbon water slurry agent by using the activated carbon water slurry agent raw material comprises the following steps:
uniformly mixing the raw materials of the activated carbon water slurry, namely activated carbon, a dispersing agent and a stabilizing agent, adding a certain amount of water, and stirring to obtain the activated carbon water slurry;
the active carbon slurry agent can be pumped and sprayed;
in the activated carbon water slurry agent, the activated carbon is uniformly mixed with a dispersing agent, a stabilizing agent and a compatibilizer, namely the weight ratio of the raw materials of the activated carbon water slurry agent to water is 100: 500-5000.
Claims (2)
1. The active carbon water slurry agent is prepared with active carbon, dispersant and stabilizer, and features that the active carbon water slurry agent consists of active carbon, dispersant and stabilizer
The active carbon water slurry agent comprises the following raw materials in parts by weight: activated carbon: dispersing agent: 100% stabilizer: 1-10: 1-10;
preferably, the weight ratio of each component is as follows: sodium lignosulfonate: sodium alginate (100: 3.0-5.0): 2.0-4.0;
the production process of the activated carbon water slurry agent comprises the following steps:
1.) crushing the activated carbon powder to 200-600 meshes;
2.) weighing the crushed activated carbon, loading the activated carbon into a non-gravity mixer, starting the non-gravity mixer, and quantitatively adding a dispersing agent through a solid screw quantitative pump A to uniformly mix the dispersing agent and the activated carbon;
3.) after the dispersing agent and the active carbon are uniformly mixed, a stabilizing agent is quantitatively added through a solid screw quantitative pump B, so that the active carbon, the dispersing agent and the stabilizing agent are uniformly mixed;
4.) weighing, metering and waterproof packaging for later use.
2. According to claim 1, the method for producing the activated carbon slurry agent by using the activated carbon slurry agent raw material comprises the following steps:
uniformly mixing the raw materials of the activated carbon water slurry, namely activated carbon, a dispersing agent and a stabilizing agent, adding a certain amount of water, and stirring to obtain the activated carbon water slurry;
the active carbon slurry agent can be pumped and sprayed;
in the activated carbon water slurry agent, the activated carbon is uniformly mixed with a dispersing agent, a stabilizing agent and a compatibilizer, namely the weight ratio of the raw materials of the activated carbon water slurry agent to water is 100: 500-5000.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811007344.XA CN110871054A (en) | 2018-08-31 | 2018-08-31 | Preparation process of activated carbon water slurry agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811007344.XA CN110871054A (en) | 2018-08-31 | 2018-08-31 | Preparation process of activated carbon water slurry agent |
Publications (1)
| Publication Number | Publication Date |
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| CN110871054A true CN110871054A (en) | 2020-03-10 |
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| CN201811007344.XA Pending CN110871054A (en) | 2018-08-31 | 2018-08-31 | Preparation process of activated carbon water slurry agent |
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| CN (1) | CN110871054A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112125343A (en) * | 2020-08-28 | 2020-12-25 | 中钢天源(马鞍山)通力磁材有限公司 | Iron oxide red for environment-friendly permanent magnet oxide and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112125343A (en) * | 2020-08-28 | 2020-12-25 | 中钢天源(马鞍山)通力磁材有限公司 | Iron oxide red for environment-friendly permanent magnet oxide and preparation method thereof |
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Application publication date: 20200310 |