CN112142372A - Preparation method of active carbon capable of generating negative oxygen ions - Google Patents
Preparation method of active carbon capable of generating negative oxygen ions Download PDFInfo
- Publication number
- CN112142372A CN112142372A CN202010706250.2A CN202010706250A CN112142372A CN 112142372 A CN112142372 A CN 112142372A CN 202010706250 A CN202010706250 A CN 202010706250A CN 112142372 A CN112142372 A CN 112142372A
- Authority
- CN
- China
- Prior art keywords
- powder
- activated carbon
- negative oxygen
- preparing
- curing
- 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
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/28—Polysaccharides or derivatives thereof
- C04B26/285—Cellulose or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/28—Polysaccharides or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00025—Aspects relating to the protection of the health, e.g. materials containing special additives to afford skin protection
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention relates to a preparation method of active carbon capable of generating negative oxygen ions, which comprises the following steps: preparing 20-50 parts of activated carbon powder, 5-10 parts of aerogel powder and 0.001-0.5 part of anion powder according to the weight ratio, uniformly mixing, and grinding to below 400 meshes to form powder; the powder comprises the following components in percentage by mass: water-soluble binder: lubricant: dispersing agent: water-30-60: 0.5-3: 0.2-2: 0.1-1: 5-25, adding the mixture into a mixer to form pug; processing the pug in an extrusion molding machine or a vacuum pug mill, and then filtering by using a 100-150-mesh silk screen in the molding machine to remove large-particle substances; transferring into an extrusion molding machine provided with a honeycomb steel mold for extrusion molding to obtain a wet honeycomb body; placing the wet honeycomb body on a curing frame, and moving the wet honeycomb body into a curing chamber for curing; and after curing, drying to control the water content to be below 2%. The active carbon prepared by the method is simple, can adsorb and purify gaseous pollutants with different molecular sizes in the air to the maximum extent, generates negative oxygen ions, and improves the air quality.
Description
Technical Field
The invention belongs to the technical field of preparation of activated carbon materials, and particularly relates to a preparation method of activated carbon capable of generating negative oxygen ions.
Background
Currently, among many indoor air treatment materials, activated carbon is undoubtedly the first choice material for removing Volatile Organic Compounds (VOCs), organic pollutants, formaldehyde and other pollutants, and has wide application in the field of air purification.
Meanwhile, new requirements are gradually provided for the indoor air quality due to the improvement of living standard and health consciousness of people at any time, and the requirement of people for the indoor air quality cannot be met by pure adsorption of purified gas pollutants. On the other hand, negative (oxygen) ions of air are a collective term for single gas molecules and light ion clusters that are negatively charged. The negative oxygen ions are beneficial to human health, and have the functions of improving cardiac muscle function, increasing cardiac muscle nutrition and cell metabolism, relieving fatigue, invigorating energy, and enhancing immunity. Therefore, the activated carbon is endowed with the function of generating negative oxygen ions, indoor air pollutants are removed through adsorption, and meanwhile, the indoor negative oxygen ion concentration is increased, so that the method has great significance for improving the indoor air quality.
In patent No. 2018110266705, a sphero-star activated carbon purification particle containing negative ions is disclosed, the technical scheme is that the material preparation comprises: preparing 30-40 parts of sepiolite, 8-9 parts of attapulgite, 10-11 parts of pure diatom, 2-3 parts of graphene, 6-7 parts of photocatalyst and 0.1-0.2 part of tourmaline crystal, and airing in the sun, wherein the water content of each component is not more than 1%; crushing: crushing the components aired in the step S1, wherein the particle size of crushed particles is not more than 400 meshes, and crushing by adopting a ball mill; removing impurities: adding the crushed components into pure water, stirring at a high speed, removing impurities after stirring, treating the impurities by using ultrasonic waves, drying the aqueous solution, and performing powder treatment after drying to obtain purified powder; preparing particles: adding the purified powder into an aluminum sulfate aqueous solution, fully stirring, and uniformly stirring to prepare spherical particles, wherein the diameter of the spherical particles is 2mm, and the error is not more than 0.2 mm; pre-sintering treatment: drying the spherical particles prepared in the step S4 at the drying temperature of not more than 300 ℃ for 20-30 min; and (3) high-temperature sintering: placing the dried spherical particles into an activation furnace for high-temperature sintering at the sintering temperature of 650-750 ℃ for 30-40min, and preserving heat for 1h after sintering; an ultrasonic generator is arranged at the outer side of the activation furnace in the sintering process, and ultrasonic waves are emitted to promote the sintering process; and (3) adsorption of negative ions: and (4) cooling the spherical particles prepared in the step (S6), placing the cooled spherical particles into a space rich in negative oxygen ions, and storing the spherical particles for at least 5 hours, wherein the heating and the cooling are repeated for a plurality of times. According to the scheme, the preparation process is complicated, the ultrasonic wave-promoted drying is difficult to realize in large-scale production, in addition, the effect of the anion adsorption process is poor, and the material is difficult to have the function of releasing negative oxygen ions.
Disclosure of Invention
The invention aims to provide a preparation method of activated carbon capable of generating negative oxygen ions in order to solve the technical problems.
In order to achieve the above object, the present invention provides a method for preparing an activated carbon capable of generating negative oxygen ions, comprising:
s1, preparing 20-50 parts of activated carbon powder, 5-10 parts of aerogel powder, 0.001-0.5 part of anion powder, 0.5-3 parts of water-soluble adhesive, 0.2-2 parts of lubricant, 0.1-1 part of dispersant and 5-25 parts of water according to the weight ratio;
s2, uniformly mixing the activated carbon powder, the aerogel powder and the negative ion powder, and grinding the mixture to be below 400 meshes to form powder for later use;
s3, preparing powder materials according to the mass ratio: water-soluble binder: lubricant: dispersing agent: water ═ 30-60: (0.5-3): (0.2-2): (0.1-1): (5-25) adding the mixture into a mixing device, stirring and kneading to form pug;
s4, processing the pug in an extrusion molding machine or a vacuum pug mill to ensure that all components of the pug are dispersed more uniformly, and then filtering the pug in the molding machine by using a 100-mesh and 150-mesh silk screen to remove large-particle substances;
s5, moving the honeycomb steel die into an extrusion molding machine, and performing extrusion molding to obtain a wet honeycomb body;
s6, placing the wet honeycomb body on a curing frame, and moving the wet honeycomb body into a curing chamber for curing;
and S7, drying after curing is completed, and controlling the water content to be below 2%.
According to one aspect of the invention, the specific surface area of the activated carbon powder is more than 500m2The pore diameter is 0.7nm-2.5 nm.
According to an aspect of the present invention, preferably, the activated carbon powder having a pore size of 1nm to 2nm accounts for more than 60% of all the activated carbon powders.
According to one aspect of the invention, the activated carbon powder is derived from one or more of coal-based activated carbon, wood-based activated carbon, or organic feedstock activated carbon.
According to one aspect of the invention, the aerogel powder has a specific surface area greater than 200m2The pore diameter is 2nm-80 nm.
According to one aspect of the invention, preferably, aerogel powders having pore sizes ranging from 2nm to 50nm comprise more than 60% of all aerogel powders.
According to one aspect of the invention, the aerogel powder is selected from one or more of silica aerogel, alumina aerogel, zinc oxide aerogel.
According to one aspect of the present invention, in step S6, the curing temperature is controlled to 20-40 ℃, the curing humidity is controlled to 70% or more, and the curing time is controlled to 4 hours or more.
According to an aspect of the present invention, it is preferable that the curing temperature is controlled at 25 to 30 ℃.
According to one aspect of the present invention, in step S7, the drying temperature is controlled to be 100 ℃ to 120 ℃, the drying time is controlled to be more than 3 hours, and the activated carbon capable of generating negative oxygen ions is obtained after drying.
According to one aspect of the invention, the anion powder is tourmaline powder, monazite powder or tourmaline powder and the like.
According to one aspect of the invention, the water soluble binder is one or more of polyvinyl alcohol, methyl cellulose, ethyl cellulose, hydroxymethyl cellulose, starch, carboxymethyl cellulose, carboxyethyl cellulose.
According to one aspect of the invention, the lubricant is one or more of linseed oil, peanut oil, corn oil, sunflower oil, rubber seed oil, palm oil, tung oil.
According to one aspect of the invention, the dispersant is a metal soap dispersant including, but not limited to, barium stearate, calcium stearate, and the like.
The active carbon prepared by the preparation method of the active carbon capable of generating the negative oxygen ions can adsorb and purify gaseous pollutants with different molecular sizes in the air to the maximum extent, generate the negative oxygen ions, improve the air quality, and has simple preparation process and low cost.
Drawings
Fig. 1 is a flow chart schematically showing a method for preparing an activated carbon capable of generating negative oxygen ions according to the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
The present invention is described in detail below with reference to the drawings and the specific embodiments, which are not repeated herein, but the embodiments of the present invention are not limited to the following embodiments.
As shown in fig. 1, the preparation method of the activated carbon capable of generating negative oxygen ions according to the present invention comprises the following steps: s1, preparing 20-50 parts of activated carbon powder, 5-10 parts of aerogel powder, 0.001-0.5 part of anion powder, 0.5-3 parts of water-soluble adhesive, 0.2-2 parts of lubricant, 0.1-1 part of dispersant and 5-25 parts of water according to the weight ratio; s2, uniformly mixing the activated carbon powder, the aerogel powder and the negative ion powder, and grinding the mixture to be below 400 meshes to form powder for later use; s3, preparing powder materials according to the mass ratio: water-soluble binder: lubricant dispersant: water ═ 30-60: (0.5-3): (0.2-2): (0.1-1): (5-25) adding the mixture into a mixing device, stirring and kneading to form pug; s4, processing the pug in an extrusion molding machine or a vacuum pug mill to ensure that all components of the pug are dispersed more uniformly, and then filtering the pug in the molding machine by using a 100-mesh and 150-mesh silk screen to remove large-particle substances; s5, moving the honeycomb steel die into an extrusion molding machine, and performing extrusion molding to obtain a wet honeycomb body; s6, placing the wet honeycomb body on a curing frame, and moving the wet honeycomb body into a curing chamber for curing; and S7, drying after curing is completed, and controlling the water content to be below 2%.
Specifically, the active carbon capable of generating negative oxygen ions comprises the following components: activated carbon powder, aerogel powder, anion powder, water-soluble adhesive, lubricant, dispersant and water. Firstly, 20-50 parts of activated carbon powder, 5-10 parts of aerogel powder and 0.001-0.5 part of anion powder are uniformly mixed, ground to below 400 meshes and sieved to form powder for later use. Then preparing pug, wherein the pug comprises the following powder materials in percentage by mass: water-soluble binder: lubricant: dispersing agent: water ═ 30-60: (0.5-3): (0.2-2): (0.1-1): (5-25) adding the mixture into a mixing appliance, stirring, and stirring and kneading by a kneader to form pug. Then, in step S4, pugging operation is performed: the pug is processed in an extrusion molding machine or a vacuum pug mill to ensure that all components of the pug are dispersed more uniformly, and then 100-mesh and 150-mesh silk screens are used for filtering in the molding machine to remove large-particle substances.
Then, in step S5, the pug after pugging treatment is transferred to an extrusion molding machine equipped with a honeycomb steel mold, and extrusion molding is performed to obtain a wet honeycomb body. The wet honeycomb was then placed on a curing rack and moved into a curing chamber for curing. And finally drying the cured honeycomb body, and according to one embodiment of the invention, transferring the cured honeycomb body into a forced air drying box for drying, and controlling the water content to be below 2%.
In the present invention, the specific surface area of the activated carbon powder used is more than 500m2The pore diameter is 0.7nm-2.5 nm. Preferably, the activity is of pore size 1nm-2nmThe carbon powder accounts for more than 60 percent of all the activated carbon powder, so the arrangement is favorable for adsorbing and removing pollutants with different molecular sizes, and the coverage range is enlarged. In the present invention, the activated carbon powder may be one or more selected from coal-based activated carbon, wood-based activated carbon, organic raw material activated carbon, and the like.
In the present invention, aerogel powders having a specific surface area of greater than 200m are used2The pore diameter is 2nm-80 nm. Preferably, aerogel powder with the pore diameter of 2nm-50nm accounts for more than 60% of all aerogel powder, the optimized pore diameter of the activated carbon is controlled to be 1-2nm, the aerogel is used as a mesoporous adsorbent, the pore diameter of the aerogel is controlled to be 2-50nm, so that most of macromolecular gaseous pollutants can be removed, more pore diameters larger than 50nm are used as adsorption inlets of pollutants, and the pollutants can conveniently enter an aerogel pore channel structure. According to the concept of the invention, the aerogel powder of the invention is selected from one or more of silica aerogel, alumina aerogel, zinc oxide and the like.
In the invention, the anion powder can be tourmaline powder, monazite powder, tourmaline powder and the like. The water-soluble binder may be one or more of polyvinyl alcohol, methyl cellulose, ethyl cellulose, hydroxypropyl methyl cellulose, starch, carboxymethyl cellulose, carboxyethyl cellulose, and the like. The lubricant used in the present invention may be one or more of linseed oil, peanut oil, corn oil, sunflower seed oil, rubber seed oil, palm oil, tung oil, etc. The dispersant used in the present invention is a metal soap dispersant, and examples thereof include barium stearate, calcium stearate, and the like.
According to a practical form of the present invention, the honeycomb steel mold used in step S5 is set to have 10 to 24 holes per square centimeter. The formed honeycomb body can be square or cylindrical, and the ratio of the length (length in the direction of the cell channels) to the length (length perpendicular to the cell channels) is controlled between (1:10) - (1: 2).
In the present invention, the curing conditions in step S6 are such that the curing temperature is controlled at 20-40 deg.C, the curing humidity is controlled at 70% or more, and the curing time is controlled at 4 hours or more. Preferably, the curing temperature is controlled to be 25-30 ℃. Finally, in step S7, the drying temperature is 100-120 ℃, and the drying time is more than 3 hours, so as to ensure that the water content of the finally formed activated carbon is below 2%. The curing conditions in the step S6 of the invention are favorable for the exchange transfer of water in the block and the crosslinking and solidification of the adhesive, and the strength of the finished product of the activated carbon is improved. Too low curing conditions are not favorable for bonding and the efficiency is low; and the high curing condition causes the water to migrate too fast, so that the problems of cracking and the like are easily caused, and the strength is influenced.
The active carbon prepared by the preparation method of the active carbon capable of generating the negative oxygen ions can furthest attach and purify gaseous pollutants with different molecular sizes in the air, generate the negative oxygen ions, improve the air quality, and has simple preparation process and low cost. Specifically, because the gaseous pollutant components in the air are very complex, the molecular size distribution is very wide, and most of the gaseous pollutant components are below 2nm, the specific gravity of the activated carbon is the largest, so that the activated carbon is beneficial to adsorption of pollutants with the particle size of less than 2 nm; the addition of aerogel has a good effect on the pollutants with the particle size of more than 2 nm. Due to the asymmetry of the molecular structure, in the pore channels of the aerogel, the larger pore channel is used as an inlet channel, so that macromolecular pollutants are allowed to enter and are bound and adsorbed by the smaller pores, and the purification effect is achieved. The complex design of the activated carbon and the aerogel furthest covers the molecular size range of the gaseous pollutants and strengthens the purification effect.
The above description is only one embodiment of the present invention, and is not intended to limit the present invention, and it is apparent to those skilled in the art that various modifications and variations can be made in the present invention. 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 (14)
1. A preparation method of activated carbon capable of generating negative oxygen ions comprises the following steps:
s1, preparing 20-50 parts of activated carbon powder, 5-10 parts of aerogel powder, 0.001-0.5 part of anion powder, 0.5-3 parts of water-soluble adhesive, 0.2-2 parts of lubricant, 0.1-1 part of dispersant and 5-25 parts of water according to the weight ratio;
s2, uniformly mixing the activated carbon powder, the aerogel powder and the negative ion powder, and grinding the mixture to be below 400 meshes to form powder for later use;
s3, preparing powder materials according to the mass ratio: water-soluble binder: lubricant: dispersing agent: water ═ 30-60: (0.5-3): (0.2-2): (0.1-1): (5-25) adding the mixture into a mixing device, stirring and kneading to form pug;
s4, processing the pug in an extrusion molding machine or a vacuum pug mill to ensure that all components of the pug are dispersed more uniformly, and then filtering the pug in the molding machine by using a 100-mesh and 150-mesh silk screen to remove large-particle substances;
s5, moving the honeycomb steel die into an extrusion molding machine, and performing extrusion molding to obtain a wet honeycomb body;
s6, placing the wet honeycomb body on a curing frame, and moving the wet honeycomb body into a curing chamber for curing;
and S7, drying after curing is completed, and controlling the water content to be below 2%.
2. The method for preparing negative oxygen ion-generating activated carbon according to claim 1, wherein the specific surface area of the activated carbon powder is more than 500m2The pore diameter is 0.7nm-2.5 nm.
3. The method of claim 2, wherein the activated carbon powder with pore size of 1nm-2nm is more than 60% of all activated carbon powder.
4. The method for preparing activated carbon capable of generating negative oxygen ions according to claim 2 or 3, wherein the activated carbon powder is one or more of coal-based activated carbon, wood-based activated carbon or organic raw material activated carbon.
5. The method for preparing the negative oxygen ion-generating activated carbon according to claim 1, wherein the aerogel powder has a specific surface area of more than 200m2The pore diameter is 2nm-80 nm.
6. The method for preparing negative oxygen ion-generating activated carbon according to claim 5, wherein aerogel powder with pore size of 2nm-50nm is preferably more than 60% of all aerogel powder.
7. The method for preparing the negative oxygen ion-generating activated carbon according to claim 5 or 6, wherein the aerogel powder is selected from one or more of silica aerogel, alumina aerogel and zinc oxide aerogel.
8. The method for preparing activated carbon capable of generating negative oxygen ions according to claim 1, wherein in step S6, the curing temperature is controlled at 20-40 ℃, the curing humidity is above 70%, and the curing time is above 4 hours.
9. The method for preparing negative oxygen ion-generating activated carbon according to claim 8, wherein the curing temperature is preferably controlled to 25-30 ℃.
10. The method as claimed in claim 1, wherein the drying temperature is controlled to be 100-120 ℃ and the drying time is controlled to be more than 3 hours in step S7, and the activated carbon capable of generating negative oxygen ions is obtained after drying.
11. The method for preparing the active carbon capable of generating negative oxygen ions according to claim 1, wherein the negative ion powder is tourmaline powder, monazite powder or tourmaline powder.
12. The method for preparing the negative oxygen ion-generating activated carbon according to claim 1, wherein the water-soluble binder is one or more of polyvinyl alcohol, methyl cellulose, ethyl cellulose, hydroxymethyl cellulose, starch, carboxymethyl cellulose and carboxyethyl cellulose.
13. The method for preparing the negative oxygen ion-generating activated carbon according to claim 1, wherein the lubricant is one or more of linseed oil, peanut oil, corn oil, sunflower seed oil, rubber seed oil, palm oil and tung oil.
14. The method for preparing negative oxygen ion-generating activated carbon according to claim 1, wherein the dispersant is a metal soap dispersant, including but not limited to barium stearate, calcium stearate, etc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010706250.2A CN112142372A (en) | 2020-07-21 | 2020-07-21 | Preparation method of active carbon capable of generating negative oxygen ions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010706250.2A CN112142372A (en) | 2020-07-21 | 2020-07-21 | Preparation method of active carbon capable of generating negative oxygen ions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112142372A true CN112142372A (en) | 2020-12-29 |
Family
ID=73888650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010706250.2A Pending CN112142372A (en) | 2020-07-21 | 2020-07-21 | Preparation method of active carbon capable of generating negative oxygen ions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112142372A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114130474A (en) * | 2021-10-18 | 2022-03-04 | 北京森海氧源科技有限公司 | Grinding equipment based on processing of anion powder |
| CN115353358A (en) * | 2022-08-31 | 2022-11-18 | 慕林健康负氧离子医用建材(深圳)集团有限公司 | Negative oxygen ion health mud for purifying air, preventing condensation and inhibiting bacteria and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1648040A (en) * | 2004-12-21 | 2005-08-03 | 中国科学院山西煤炭化学研究所 | Method for directly preparing honeycomb active carbon from coal |
| CN102125821A (en) * | 2011-01-13 | 2011-07-20 | 中国科学院生态环境研究中心 | Active carbon-silicon aerogel complex for removing volatile organic pollutants |
| CN109663566A (en) * | 2018-12-24 | 2019-04-23 | 江苏中科睿赛污染控制工程有限公司 | The cellular activated carbon and preparation method thereof of Electrostatic Absorption PM2.5 |
-
2020
- 2020-07-21 CN CN202010706250.2A patent/CN112142372A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1648040A (en) * | 2004-12-21 | 2005-08-03 | 中国科学院山西煤炭化学研究所 | Method for directly preparing honeycomb active carbon from coal |
| CN102125821A (en) * | 2011-01-13 | 2011-07-20 | 中国科学院生态环境研究中心 | Active carbon-silicon aerogel complex for removing volatile organic pollutants |
| CN109663566A (en) * | 2018-12-24 | 2019-04-23 | 江苏中科睿赛污染控制工程有限公司 | The cellular activated carbon and preparation method thereof of Electrostatic Absorption PM2.5 |
Non-Patent Citations (1)
| Title |
|---|
| 郑水林等: "《非金属矿加工技术与应用手册》", 31 May 2005, 冶金工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114130474A (en) * | 2021-10-18 | 2022-03-04 | 北京森海氧源科技有限公司 | Grinding equipment based on processing of anion powder |
| CN114130474B (en) * | 2021-10-18 | 2022-11-25 | 北京森海氧源科技有限公司 | Grinding equipment based on processing of anion powder |
| CN115353358A (en) * | 2022-08-31 | 2022-11-18 | 慕林健康负氧离子医用建材(深圳)集团有限公司 | Negative oxygen ion health mud for purifying air, preventing condensation and inhibiting bacteria and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104289179B (en) | Method for preparing attapulgite/carbon composite adsorbent by one-step carbonization-activation | |
| CN107029668B (en) | A kind of honeycomb type molecular sieve-active carbon compound adsorbent, preparation method and applications | |
| CN106975493A (en) | A kind of honeycomb catalyst materials and its forming method | |
| CN112142372A (en) | Preparation method of active carbon capable of generating negative oxygen ions | |
| CN107698230B (en) | Composite multifunctional indoor wall material capable of humidifying, resisting bacteria, purifying air and releasing negative ions | |
| CN104941578A (en) | Silica-gel composite particles for purification and preparation method thereof | |
| JP2013539411A (en) | Multi-aperture carbon particle air purifier and method for producing the same | |
| CN111203175A (en) | Honeycomb hydrophobic molecular sieve adsorbent and preparation method and application thereof | |
| CN107663084B (en) | Air-purifying humidity-adjusting ceramic tile and preparation method thereof | |
| CN103172402A (en) | Multifunctional porous purifying ceramic granular material and preparation method | |
| CN108558381A (en) | A kind of the diatomite nogging and preparation method of high-efficient purification room air | |
| CN107107022A (en) | Adsorbent with microwave absorbing property | |
| CN113750978B (en) | Porous composite material and preparation and application thereof | |
| CN104492373B (en) | A kind of base composite porous ceramic material of kieselguhr for volatile organic contaminant absorption and preparation method thereof | |
| CN108939703B (en) | Air conditioner filter element capable of releasing negative ions and preparation method thereof | |
| CN107930583B (en) | Preparation of catalyst-loaded high-thermal-conductivity activated carbon suitable for adsorbing and degrading dioxin | |
| CN117228671B (en) | Preparation method of activated carbon with high carbon tetrachloride adsorption rate and activated carbon | |
| CN101327423B (en) | Spherical particle compound material containing active carbon and preparation technique thereof | |
| CN1548213A (en) | High-strength porous environment-protecting filtering haydite with adsorbing film and its making process | |
| CN109647331B (en) | Preparation method and application of composite adsorption material | |
| CN209263173U (en) | The system for coupling electric microfield absorption with microwave enhancing photocatalysis air-cleaning unit | |
| CN111604029A (en) | Modified activated carbon composite material and preparation method thereof | |
| CN113979779B (en) | Diatom active ceramic tube and preparation method and application thereof | |
| CN113181973B (en) | Porous catalyst particles and forming method thereof | |
| CN105645900B (en) | Diatom ecological brick and its production method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201229 |
|
| RJ01 | Rejection of invention patent application after publication |