CN111744457A - Preparation process of nano silver moxa charcoal - Google Patents
Preparation process of nano silver moxa charcoal Download PDFInfo
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- CN111744457A CN111744457A CN202010554834.2A CN202010554834A CN111744457A CN 111744457 A CN111744457 A CN 111744457A CN 202010554834 A CN202010554834 A CN 202010554834A CN 111744457 A CN111744457 A CN 111744457A
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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
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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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
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
- B01J20/28057—Surface area, e.g. B.E.T specific surface area
- B01J20/28066—Surface area, e.g. B.E.T specific surface area being more than 1000 m2/g
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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
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3078—Thermal treatment, e.g. calcining or pyrolizing
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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
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
- B01J20/3234—Inorganic material layers
- B01J20/3236—Inorganic material layers containing metal, other than zeolites, e.g. oxides, hydroxides, sulphides or salts
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/20—Method-related aspects
- A61L2209/21—Use of chemical compounds for treating air or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
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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
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
- B01J2220/4825—Polysaccharides or cellulose materials, e.g. starch, chitin, sawdust, wood, straw, cotton
Abstract
The invention discloses a preparation process of nano silver moxa carbon, which comprises the following steps: producing biological activated carbon by using moxa stems or moxa sticks to obtain moxa activated carbon; soaking the obtained moxa activated carbon in nano silver sol, immersing the moxa activated carbon in the nano silver sol, and soaking for 4-8h at normal temperature to obtain the nanometer silver-loaded moxa activated carbon, namely a nanometer silver moxa carbon crude product; and separating, purifying and drying the crude product of the nano silver moxa charcoal to obtain the nano silver moxa charcoal. The invention provides a preparation method of a high-efficiency disinfection and sterilization product by combining the technology of preparing activated carbon from modern high-tech products of nano silver and stems of traditional Chinese medicine moxa, the method obtains nano silver moxa carbon by adjusting the time of soaking the moxa activated carbon in nano silver sol and regulating and controlling the loading amount of the nano silver in the nano silver moxa carbon, the obtained nano silver moxa carbon adopts the moxa activated carbon as a carrier, and the nano silver moxa activated carbon adsorbs, purifies air in a synergetic way of nano silver sterilization and the sterilization effect of the moxa activated carbon, so that the nano silver moxa carbon can be disinfected and sterilized efficiently.
Description
Technical Field
The invention relates to the technical field of sterilization and disinfection of active carbon, in particular to a preparation process of nano silver moxa carbon.
Background
Among the atmospheric treatment technologies, the activated carbon adsorption technology is an instant and inexpensive method. However, the activated carbon adsorption technology has disadvantages, for example, due to the hydrophobic surface of the activated carbon and the large specific surface area, organic compounds and part of inorganic impurities in the air are effectively removed, and simultaneously, a hotbed is provided for the propagation of microorganisms such as bacteria, so that the activated carbon itself also becomes a pollution source, and secondary pollution of the air is caused, and the purification effect is influenced. In order to overcome the defect, the activated carbon is subjected to silver-carrying treatment, and becomes the activated carbon carrying nano silver after carrying the nano silver. The nano-silver-loaded activated carbon can keep the function of adsorbing organic compounds and partial inorganic substances in air, the loaded nano-silver has the advantages of broad-spectrum antibiosis, strong sterilization, strong and lasting permeability and the like, can generate strong sterilization under extremely low content, has killing effect on over 650 kinds of bacteria, has strong inhibition and killing effect on dozens of pathogenic microorganisms such as escherichia coli, gonococcus, chlamydia trachomatis and the like, does not generate drug resistance, and can effectively inhibit the growth and the propagation of bacteria, mildew and even virus microorganisms in the activated carbon. Researches show that compared with common activated carbon, the nano-silver-loaded activated carbon has the advantages of accelerating the speed of decontamination and impurity removal, greatly improving the efficiency, effectively inhibiting the propagation of microorganisms and preventing the activated carbon from becoming a secondary pollution source.
Chinese patent "a highly loaded nano-silver activated carbon and a preparation method thereof" (publication No. CN105289497A) discloses a method in which activated carbon with large specific surface area, developed pores and good mechanical properties is selected as a carrier, preferably nutshell activated carbon is selected as a nano-silver carrier, and silver-carrying amount (from one hundred ppm to ten thousand ppm) is increased and silver loss is reduced by increasing silver-carrying sites on the surface of the activated carbon and in the pores by activating the activated carbon. However, when the nano-silver loaded activated carbon is used for sterilization, the more the loaded nano-silver loaded activated carbon is, the better the loaded nano-silver loaded activated carbon is, the more the loaded nano-silver loaded activated carbon is, the gaps of the activated carbon are blocked, the adsorption effect of the activated carbon is influenced, and the sterilization and disinfection.
The invention provides a preparation method of nano-silver moxa activated carbon (nano-silver moxa carbon for short), which is characterized in that nano-silver loaded capacity of the activated carbon is adjusted, moxa activated carbon is adopted as a carrier, air is purified through adsorption of the moxa activated carbon and sterilization of nano-silver, and meanwhile, the moxa activated carbon has a sterilization effect, so that the nano-silver moxa carbon can be efficiently sterilized and disinfected.
The invention adopts the modern high-tech product of nano silver and the stem of the traditional Chinese medicine wormwood to prepare the product of the nano silver wormwood, which is obtained by fusing the active carbon technology and is called as 'air vaccine', can be widely applied to disinfection, purification and transformation of various existing air conditioners and fresh air systems, filter screen upgrading and replacement of various air conditioners and fresh air systems in the future, and is applied to disinfection, sterilization and purification of various indoor space environments such as schools, hospitals, automobiles and the like.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a preparation process of nano silver moxa carbon to solve the problems in the technical background.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a preparation process of nano silver moxa charcoal comprises the following steps:
firstly, producing biological activated carbon by using moxa stems or moxa sticks to obtain moxa activated carbon;
step two, soaking the moxa activated carbon obtained in the step one in nano silver sol, immersing the moxa activated carbon in the nano silver sol, and soaking for 4-8 hours at normal temperature to obtain the moxa activated carbon loaded with nano silver, namely a nano silver moxa carbon crude product;
and step three, separating, purifying and drying the crude product of the nano-silver moxa charcoal obtained in the step two to obtain the nano-silver moxa charcoal.
In the technical scheme, the specific surface area of the moxa activated carbon in the step one is 1000m2More than g.
In the technical scheme, the nano silver sol in the second step contains 5ppm to 5000ppm of nano silver particles, and the particle size of the nano silver particles is 1 nm to 50 nm.
In the above technical scheme, the nano silver sol in the second step contains 50ppm to 500ppm of nano silver particles.
In the technical scheme, the time for soaking the moxa activated carbon in the nano silver sol is 6-8 h.
In the technical scheme, the content of the nano silver particles in the nano silver moxa charcoal obtained in the step three is 20-100 ppm.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the method provided by the invention, the nano-silver moxa carbon is obtained by adjusting the time of soaking the moxa activated carbon in the nano-silver sol (the soaking time is 4-8h) and regulating and controlling the loading amount of nano-silver in the nano-silver moxa carbon (the loading amount of the nano-silver is preferably 20-100ppm), the obtained nano-silver moxa carbon adopts the moxa activated carbon as a carrier, and the nano-silver moxa carbon can be efficiently sterilized and disinfected through the adsorption of the moxa activated carbon, the sterilization of the nano-silver and the synergistic purification of air and the sterilization effect of the moxa activated carbon.
2. The invention provides a preparation method of a high-efficiency disinfection and sterilization product by combining the technology of preparing active carbon from modern high-tech products of nano silver and stems of traditional Chinese medicine wormwood, and the preparation method is simple in process, good in disinfection and sterilization effect and suitable for industrial production.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
The invention provides a preparation process of nano silver moxa carbon, which comprises the following steps:
step one, use moxa stems orThe moxa stick produces biological activated carbon, namely moxa activated carbon; the moxa activated carbon is prepared by adopting the existing activated carbon forming technology, and the specific surface area of the moxa activated carbon is 1000m2More than g.
Step two, soaking the moxa activated carbon obtained in the step one in nano silver sol, immersing the moxa activated carbon in the nano silver sol, and soaking for 4-8 hours at normal temperature to obtain the moxa activated carbon loaded with nano silver, namely a nano silver moxa carbon crude product; wherein the nano silver sol contains 5ppm to 5000ppm of nano silver particles, preferably, the nano silver sol contains 50ppm to 500ppm of nano silver particles; the particle size of the nano silver particles is 1-50 nm; the preparation method of the nano silver sol refers to the preparation method of the nano silver sol in Chinese patent 'a nano silver sol and a preparation and purification method thereof' (publication No. CN 103586461B).
And step three, separating, purifying and drying the crude product of the nano-silver moxa charcoal obtained in the step two to obtain the nano-silver moxa charcoal. The content of the nano silver particles in the obtained nano silver moxa charcoal is 20-100ppm (ppm refers to the mass ratio of the nano silver particles to the nano silver moxa charcoal, ug/g), and the content of the nano silver particles in the nano silver moxa charcoal is detected by atomic spectrum.
In the invention, the time for soaking the moxa-activated carbon in the nano-silver sol is 6-8 h.
Example 1
A preparation process of nano silver moxa charcoal comprises the following steps:
firstly, producing biological activated carbon by using moxa stems or moxa sticks to obtain moxa activated carbon; the specific surface area of the wormwood activated carbon is 1000-1200m2Between/g.
Step two, soaking the moxa activated carbon obtained in the step one in nano silver sol, immersing the moxa activated carbon in the nano silver sol, and soaking for 4 hours at normal temperature to obtain the nanometer silver-loaded moxa activated carbon, namely a nanometer silver moxa carbon crude product; wherein the nano silver sol contains 50ppm to 500ppm of nano silver particles; the particle size of the nano silver particles is 1-50 nm; the preparation method of the nano silver sol refers to a Chinese patent 'a nano silver sol and a preparation and purification method thereof' (publication No. CN 103586461B).
And step three, separating, purifying and drying the crude product of the nano-silver moxa charcoal obtained in the step two to obtain the nano-silver moxa charcoal. The content of the nano silver particles in the obtained nano silver moxa charcoal is 20-30ppm (ppm refers to the mass ratio of the nano silver particles to the nano silver moxa charcoal), and the content of the nano silver particles in the nano silver moxa charcoal is detected by atomic spectrum.
Example 2
The present example is similar to the method described in example 1, except that the nano silver sol is immersed in the moxa activated carbon for 6 hours at normal temperature; the content of nano silver particles in the obtained nano silver moxa carbon is 50-80 ppm.
Example 3
The present example is similar to the method described in example 1, except that the nano silver sol is immersed in the moxa activated carbon for 8 hours at normal temperature; the content of nano silver particles in the obtained nano silver moxa charcoal is 100-120 ppm.
Example 4
This example is similar to the method described in example 2, except that the activated carbon used in step one is wood activated carbon, such as wheat straw, and the specific surface area of the activated carbon is 1000-2Between/g; the content of nano silver particles in the obtained nano silver wood activated carbon (called nano silver charcoal for short) is 50-80 ppm.
Example 5
This example is similar to the method described in example 2, except that the activated carbon used in step one is husk activated carbon, such as coconut shell activated carbon, and the specific surface area of the moxa activated carbon is 1000-2Between/g; the content of nano silver particles in the obtained nano silver coconut shell activated carbon (called nano silver coconut carbon for short) is 50-80 ppm.
Comparative example 1
The present example is similar to the method described in example 1, except that the nano silver sol is immersed in the moxa activated carbon for 2 hours at normal temperature; the content of nano silver particles in the obtained nano silver moxa carbon is 5-15 ppm.
Comparative example 2
The present example is similar to the method described in example 1, except that the nano silver sol is immersed in the moxa activated carbon for 12 hours at normal temperature; the content of nano silver particles in the obtained nano silver moxa charcoal is 200-500 ppm.
Comparative example 3
The present example is similar to the method described in example 1, except that the nano silver sol is immersed in the moxa activated carbon for 24 hours at normal temperature; the content of the nano silver particles in the obtained nano silver moxa carbon is 1000-2000 ppm.
Comparative example 4
Refer to the Chinese patent "a method for preparing coconut carbon nano-silver activated carbon" (publication No. CN104190357A) in example 1, the nano-silver-loaded coconut shell activated carbon (the silver loading of the nano-silver-loaded activated carbon is more than or equal to 25mg/g, namely 25000 ppm; the BET specific surface area is more than or equal to 1150 m)2The preparation method of the nano silver coconut shell activated carbon comprises the following steps: preparing coconut shell activated carbon AC-0, modifying the coconut shell activated carbon AC-0 by using 30% hydrogen peroxide to obtain coconut shell activated carbon AC-1, simultaneously adding the coconut shell activated carbon AC-1 into nano silver sol with the concentration of 1000ppm prepared in advance, and matching with ultrasonic assisted adsorption with the ultrasonic intensity of 0.5W/mL to finally obtain the nano silver coconut shell activated carbon.
Application example 1
The no-load moxa activated carbon is used as a blank group, and the escherichia coli killing effects of the embodiments 1 to 5 are researched, so that the escherichia coli killing effect of the nano-silver moxa carbon obtained in the embodiment 2 is found to be optimal, and the sterilization rate is over 99%; example 1, example 3 times; the nano silver coconut charcoal obtained in the example 5 is repeated; the nano silver charcoal obtained in example 4 was the first time.
Application example 2
The removal rate of formaldehyde in the air was used as an index, and the removal rate of formaldehyde in the air by the activated carbon filter screens prepared in examples 1 to 5 and comparative examples 1 to 4 as the sterilization filter core raw material was investigated using empty moxa activated carbon as a blank group, and the results are shown in table 1:
TABLE 1
According to the table 1, different soaking times and different silver loading amounts in the nano-silver moxa carbon are shown, the removal rate of the nano-silver moxa carbon on formaldehyde is the highest when the soaking time is 4-8 hours and the silver loading amount in the nano-silver moxa carbon is 20-100ppm, and the removal rate of the formaldehyde is more than 97%; when the soaking time is 2 hours, the silver loading capacity is insufficient, the formaldehyde removal rate is 90%, when the soaking time is more than 12 hours, the longer the soaking time is, the larger the silver loading capacity is, but the lower the formaldehyde removal rate is, because the larger the silver loading capacity occupies the surface of the active carbon gap, and when the silver loading capacity is a certain amount, the adsorption capacity of the active carbon on formaldehyde is influenced, so that the formaldehyde removal effect is reduced.
As can be seen from the comparison between example 5 and comparative example 4, the formaldehyde removal rate of the nano-silver coconut charcoal prepared by the method provided by the invention is higher than that of the nano-silver coconut shell activated carbon with high silver loading obtained by the comparative example 4.
Application example 3
Odor removal tests were performed on the nano-silver moxa carbon obtained in example 2, the nano-silver coconut carbon obtained in example 5, and the nano-silver coconut shell activated carbon obtained in comparative example 4 by using an odor detection tube method and a sniffing method, and specific test effects are shown in table 2.
TABLE 2
According to table 1, the removal rate of the odor gas of the nano-silver moxa carbon and the nano-silver coconut carbon prepared by the method provided by the patent is higher than the formaldehyde removal rate of the nano-silver coconut shell activated carbon with high silver loading obtained in comparative example 4.
Explanation of the sterilization principle:
the principle of the nano silver moxa carbon is as follows: the porous structure of the moxa activated carbon adsorbs formaldehyde, peculiar smell, bacteria, viruses and the like in the air, the nano silver attached to the inner surface of pores of the moxa activated carbon decomposes the attached formaldehyde, peculiar smell and the like into carbon dioxide and water, and the moxa activated carbon and the nano silver have the sterilization and disinfection effects.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (6)
1. A preparation process of nano silver moxa carbon is characterized by comprising the following steps:
firstly, producing biological activated carbon by using moxa stems or moxa sticks to obtain moxa activated carbon;
step two, soaking the moxa activated carbon obtained in the step one in nano silver sol, immersing the moxa activated carbon in the nano silver sol, and soaking for 4-8 hours at normal temperature to obtain the moxa activated carbon loaded with nano silver, namely a nano silver moxa carbon crude product;
and step three, separating, purifying and drying the crude product of the nano-silver moxa charcoal obtained in the step two to obtain the nano-silver moxa charcoal.
2. The process for preparing nano-silver moxa charcoal according to claim 1, wherein the specific surface area of the moxa activated carbon in the first step is 1000m2More than g.
3. The preparation process of the nano-silver moxa charcoal according to claim 1, wherein the nano-silver sol in the second step contains 5ppm to 5000ppm of nano-silver particles, and the particle size of the nano-silver particles is 1 nm to 50 nm.
4. The preparation process of nano-silver moxa charcoal according to claim 3, wherein the nano-silver sol in the second step contains 50ppm to 500ppm of nano-silver particles.
5. The preparation process of nano-silver moxa charcoal according to claim 1, wherein the time for soaking the moxa-activated carbon in the nano-silver sol is 6-8 hours.
6. The preparation process of nano-silver moxa charcoal according to claim 1, wherein the nano-silver particle content in the nano-silver moxa charcoal obtained in the third step is 20-100 ppm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112776459A (en) * | 2021-01-13 | 2021-05-11 | 嘉鱼玛赛托恩新风科技有限公司 | Preparation process and equipment of carbon-sandwiched cloth with nano silver moxa carbon |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102114409A (en) * | 2011-01-06 | 2011-07-06 | 苏州邦安新材料科技有限公司 | Novel silver loaded activated carbon and preparation process thereof |
| CN103586461A (en) * | 2013-11-16 | 2014-02-19 | 华中科技大学 | Nano-silver sol and preparation and purification method thereof |
| CN103691395A (en) * | 2013-12-20 | 2014-04-02 | 华南理工大学 | Silver-loaded sintered active carbon and preparation method thereof |
| CN105289593A (en) * | 2014-06-05 | 2016-02-03 | 居怡乐环保科技（上海）有限公司 | Preparation method for micro-nano silver loaded active carbon for eliminating formaldehyde for long term under room temperature condition |
| CN105289497A (en) * | 2015-11-25 | 2016-02-03 | 甘李 | High nanometer sliver loading active carbon and preparation method thereof |
| CN108786745A (en) * | 2018-06-08 | 2018-11-13 | 张守 | A kind of powder body material and application thereof based on Chinese mugwort bar activated carbon |
-
2020
- 2020-06-17 CN CN202010554834.2A patent/CN111744457A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102114409A (en) * | 2011-01-06 | 2011-07-06 | 苏州邦安新材料科技有限公司 | Novel silver loaded activated carbon and preparation process thereof |
| CN103586461A (en) * | 2013-11-16 | 2014-02-19 | 华中科技大学 | Nano-silver sol and preparation and purification method thereof |
| CN103691395A (en) * | 2013-12-20 | 2014-04-02 | 华南理工大学 | Silver-loaded sintered active carbon and preparation method thereof |
| CN105289593A (en) * | 2014-06-05 | 2016-02-03 | 居怡乐环保科技（上海）有限公司 | Preparation method for micro-nano silver loaded active carbon for eliminating formaldehyde for long term under room temperature condition |
| CN105289497A (en) * | 2015-11-25 | 2016-02-03 | 甘李 | High nanometer sliver loading active carbon and preparation method thereof |
| CN108786745A (en) * | 2018-06-08 | 2018-11-13 | 张守 | A kind of powder body material and application thereof based on Chinese mugwort bar activated carbon |
Non-Patent Citations (1)
| Title |
|---|
| 吴超等: "煤基载银活性炭的制备及性能研究", 《煤炭与化工》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112776459A (en) * | 2021-01-13 | 2021-05-11 | 嘉鱼玛赛托恩新风科技有限公司 | Preparation process and equipment of carbon-sandwiched cloth with nano silver moxa carbon |
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Application publication date: 20201009 |