CN114149038A - Water purifying agent based on recovered waste acid and preparation process thereof - Google Patents
Water purifying agent based on recovered waste acid and preparation process thereof Download PDFInfo
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- CN114149038A CN114149038A CN202111350033.5A CN202111350033A CN114149038A CN 114149038 A CN114149038 A CN 114149038A CN 202111350033 A CN202111350033 A CN 202111350033A CN 114149038 A CN114149038 A CN 114149038A
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- carrier
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- water purifying
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 101
- 239000012629 purifying agent Substances 0.000 title claims abstract description 51
- 239000002253 acid Substances 0.000 title claims abstract description 25
- 239000002699 waste material Substances 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims description 11
- 239000000843 powder Substances 0.000 claims abstract description 67
- 229920002494 Zein Polymers 0.000 claims abstract description 54
- 239000005019 zein Substances 0.000 claims abstract description 54
- 229940093612 zein Drugs 0.000 claims abstract description 54
- 239000003094 microcapsule Substances 0.000 claims abstract description 30
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 21
- 239000004094 surface-active agent Substances 0.000 claims abstract description 19
- 240000008042 Zea mays Species 0.000 claims abstract description 18
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims abstract description 18
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims abstract description 18
- 235000005822 corn Nutrition 0.000 claims abstract description 18
- 239000012528 membrane Substances 0.000 claims abstract description 18
- 238000002156 mixing Methods 0.000 claims abstract description 18
- 102000004169 proteins and genes Human genes 0.000 claims abstract description 18
- 108090000623 proteins and genes Proteins 0.000 claims abstract description 18
- 229910052788 barium Inorganic materials 0.000 claims abstract description 17
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052751 metal Inorganic materials 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 17
- 239000002245 particle Substances 0.000 claims abstract description 17
- 238000000746 purification Methods 0.000 claims abstract description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 239000008213 purified water Substances 0.000 claims abstract description 6
- 239000002351 wastewater Substances 0.000 claims abstract description 6
- 238000005507 spraying Methods 0.000 claims description 10
- 238000004806 packaging method and process Methods 0.000 claims description 9
- -1 anion salt Chemical class 0.000 claims description 8
- 229920001661 Chitosan Polymers 0.000 claims description 7
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229920002472 Starch Polymers 0.000 claims description 6
- 125000000129 anionic group Chemical group 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 6
- 235000019698 starch Nutrition 0.000 claims description 6
- 239000008107 starch Substances 0.000 claims description 6
- 238000010146 3D printing Methods 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 5
- 238000004108 freeze drying Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 5
- 238000007639 printing Methods 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 4
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 4
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 4
- UHJXDBQHKYJPEL-UHFFFAOYSA-N O=NS(=O)=O Chemical class O=NS(=O)=O UHJXDBQHKYJPEL-UHFFFAOYSA-N 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 12
- 244000005700 microbiome Species 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 6
- 238000000354 decomposition reaction Methods 0.000 abstract description 4
- 150000005837 radical ions Chemical class 0.000 abstract description 4
- 230000002378 acidificating effect Effects 0.000 abstract description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 150000002500 ions Chemical class 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 6
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 2
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 2
- 235000003891 ferrous sulphate Nutrition 0.000 description 2
- 239000011790 ferrous sulphate Substances 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000011149 active material Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/06—Nutrients for stimulating the growth of microorganisms
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a water purifying agent based on recovered waste acid, which comprises the following components: microcapsule membrane, zein carrier and water purifying micropowder; and (3) microcapsule membrane: the corn protein carrier is used for coating a corn protein carrier, and can be fully dissolved in the wastewater under the condition of normal temperature; corn protein carrier: the device is used for bearing the purified water micropowder, and metal barium particles are attached to the surface of the zein carrier; water purification micropowder: the water purifying micro powder is prepared by mixing the polyaluminium chloride powder, the polyacrylamide powder and the surface active substance powder, has a basic effect of purifying water quality, can fully remove a small amount of acid radical ions in residual liquid by the generation of alkaline ions by the metal barium particles, prevents a water body from becoming acidic, has a good water decomposition effect by the microcapsule membrane and the zein carrier, can be absorbed by microorganisms in the water, enhances the activity of the microorganisms, further purifies the water body and reduces the existence of pollutants.
Description
Technical Field
The invention relates to a water purifying agent, in particular to a water purifying agent based on recovered waste acid and a preparation process thereof, and belongs to the technical field of water purifying agents.
Background
The water purifying agent is a general name of a polymer in a wide sense, generally can not be directly used as a material name, and specifically should be named as polyaluminium chloride, polyaluminium ferric chloride, basic aluminium chloride, polyacrylamide, ferrous sulfate, aluminum sulfate, polyferric sulfate and the like, and all of the water purifying agent and the water purifying agent can react with other impurities in water when being put into the water. Mainly plays the role of water purification. The commonly used water purifying agents comprise polyaluminium chloride, polyaluminium ferric chloride, basic aluminium chloride, polyacrylamide, ferrous sulfate, aluminum sulfate, polyferric sulfate and the like, and have the advantages of good water purifying effect, high water purifying speed, weak pH value, inorganity and high safety.
The process of circuit board preparation can produce the acid water, in order to prevent that the acid water is extravagant and discharge and cause the pollution, retrieve acid through diffusion dialysis's mode, again with the purification of unnecessary raffinate through water purifying agent, reach emission standard, however current water purifying agent mostly uses alone, it is poor to have a water purification effect, and be difficult to get rid of a small amount of acid radical ion in the residual liquid, water purifying agent can't completely decompose simultaneously, can't play the promotion effect to the microorganism in the water source after discharging, further obstructed the decomposition of water purifying agent, for this reason, we provide a water purifying agent based on retrieving the spent acid and preparation process thereof.
Disclosure of Invention
The invention aims to provide a water purifying agent based on recovered waste acid and a preparation process thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a water purifying agent based on recovered waste acid comprises the following components: microcapsule membrane, zein carrier and water purifying micropowder;
and (3) microcapsule membrane: the corn protein carrier is used for coating a corn protein carrier, and can be fully dissolved in the wastewater under the condition of normal temperature;
corn protein carrier: the device is used for bearing the purified water micropowder, and metal barium particles are attached to the surface of the zein carrier;
water purification micropowder: is prepared by mixing aluminium polychloride powder, polyacrylamide powder and surfactant powder.
As a preferred technical scheme of the invention, the weight parts of the microcapsule membrane, the zein carrier and the water purification micropowder are 10-20 parts, 20-30 parts and 50-70 parts respectively.
As a preferable technical scheme of the invention, the microcapsule film is one of a chitosan packaging microcapsule film, a polyethylene oxide packaging microcapsule film and a composite starch packaging microcapsule film.
In a preferred embodiment of the present invention, the surface active material powder is one or more of anionic polyacrylamide, sodium dodecylbenzenesulfonate, anionic sulfate salt, ketosulfonamide salt and coordination anion salt.
In a preferred embodiment of the present invention, the ratio of the mass fraction of the zein carrier to the mass fraction of the metal barium particles is 10:2.5, and the ratio of the mass fraction of the polyaluminum chloride powder, the mass fraction of the polyacrylamide powder and the mass fraction of the surface active substance powder is 1:1: 0.05.
As a preferred technical scheme of the invention, the zein carrier is of a porous medium structure, and the porosity of the zein carrier is 78-85%.
As a preferred technical scheme of the invention, the preparation process of the water purifying agent based on the recovered waste acid is characterized by comprising the following steps of:
s1: weighing the polyaluminium chloride powder, the polyacrylamide powder and the surface active substance powder according to the ratio of 1:1:0.05, and adding the weighed materials into a mixing tank to be uniformly mixed;
s2: constructing a porous structure of the zein carrier by a 3D printing technology, controlling the ratio of zein to metal barium particles to be 10:2.5, and printing the zein carrier layer by layer;
s3: mixing the porous zein carrier obtained in the step S2 with the uniform powder obtained in the step S1, so that the powder obtained in the step S1 is filled in the pores of the zein carrier to obtain a primary water purifying agent;
s4: and (4) spraying the chitosan film, the polyoxyethylene film and the composite starch film on the surface of the primary water purifying agent obtained in the step S3 in a spray coating mode, and freeze-drying to obtain the final water purifying agent.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention relates to a water purifying agent based on recovered waste acid and a preparation process thereof, wherein the water purifying agent consists of a microcapsule film, a zein carrier and water purifying micro powder, and the microcapsule film comprises the following components in parts by weight: the corn protein carrier is used for coating a corn protein carrier, and can be fully dissolved in the wastewater under the condition of normal temperature; corn protein carrier: the device is used for bearing the purified water micropowder, and metal barium particles are attached to the surface of the zein carrier; water purification micropowder: the water purifying agent is prepared by mixing aluminum polychlorid powder, polyacrylamide powder and surface active substance powder, the water purifying micro powder has a basic effect of purifying water quality, the metal barium particles generate alkaline ions, a small amount of acid radical ions in residual liquid can be fully removed, the water body is prevented from becoming acidic, meanwhile, the microcapsule membrane and the zein carrier have a good water decomposition effect, decomposed substances can be absorbed by microorganisms in water, the activity of the microorganisms is enhanced, the water body is further purified, and the existence of pollutants is reduced.
Drawings
FIG. 1 is a macroscopic view of the water purifying agent of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical scheme of a water purifying agent based on recovered waste acid and a preparation process thereof:
as shown in fig. 1, the water purifying agent comprises the following components: microcapsule membrane, zein carrier and water purifying micropowder;
and (3) microcapsule membrane: the corn protein carrier is used for coating a corn protein carrier, and can be fully dissolved in the wastewater under the condition of normal temperature;
corn protein carrier: the device is used for bearing the purified water micropowder, and metal barium particles are attached to the surface of the zein carrier;
water purification micropowder: is prepared by mixing aluminium polychloride powder, polyacrylamide powder and surfactant powder.
The weight parts of the microcapsule membrane, the zein carrier and the water purification micro powder are respectively 10-20 parts, 20-30 parts and 50-70 parts, the microcapsule membrane is one of a chitosan packaging microcapsule membrane, a polyethylene oxide packaging microcapsule membrane and a composite starch packaging microcapsule membrane and can be fully dissolved in water, the surface active substance powder is one or more of anionic polyacrylamide, sodium dodecyl benzene sulfonate, anionic sulfate, ketosulfamine salt and coordination anion salt, the mass fraction of the zein carrier and the mass fraction of metal barium particles are 10:2.5, the mass fraction of the polymerized aluminum chloride powder, the mass fraction of the polyacrylamide powder and the mass fraction of the surface active substance powder are 1:1:0.05, the zein carrier is of a porous medium structure, and the porosity of the zein carrier is 78-85%, the adhesion rate of the water purification micro powder is improved.
A preparation process of a water purifying agent based on recovered waste acid comprises the following steps:
s1: weighing the polyaluminium chloride powder, the polyacrylamide powder and the surface active substance powder according to the ratio of 1:1:0.05, and adding the weighed materials into a mixing tank to be uniformly mixed;
s2: constructing a porous structure of the zein carrier by a 3D printing technology, controlling the ratio of zein to metal barium particles to be 10:2.5, and printing the zein carrier layer by layer;
s3: mixing the porous zein carrier obtained in the step S2 with the uniform powder obtained in the step S1, so that the powder obtained in the step S1 is filled in the pores of the zein carrier to obtain a primary water purifying agent;
s4: and (4) spraying the chitosan film, the polyoxyethylene film and the composite starch film on the surface of the primary water purifying agent obtained in the step S3 in a spray coating mode, and freeze-drying to obtain the final water purifying agent.
When the water purifying agent is used, the water purifying agent is directly added into the residual liquid to purify the residual liquid.
Example one
The first step is as follows: weighing polyaluminium chloride powder, polyacrylamide powder and surface active substance powder according to the ratio of 1:1:0.05, adding the weighed materials into a mixing tank, and uniformly mixing, wherein the surface active substance powder is a mixture of anionic polyacrylamide and sodium dodecyl benzene sulfonate;
the second step is that: constructing a porous structure of the zein carrier by a 3D printing technology, controlling the ratio of zein to metal barium particles to be 10:2.5, and printing the zein carrier layer by layer to ensure that the porosity of the zein carrier is 80%;
the third step: mixing the porous zein carrier obtained in the step two with the uniform powder obtained in the step one, so that the powder obtained in the step one is filled into the pores of the zein carrier to obtain a primary water purifying agent;
the fourth step: and (4) spraying the chitosan film on the surface of the primary water purifying agent obtained in the step S3 in a spray coating mode, and freeze-drying to obtain the final water purifying agent.
Example two
The first step is as follows: weighing aluminium polychlorid powder, polyacrylamide powder and surface active substance powder according to the ratio of 1:1:0.05, adding the aluminium polychlorid powder, the polyacrylamide powder and the surface active substance powder into a mixing tank, and uniformly mixing, wherein the surface active substance powder is selected from ketosulfamine salt and coordination anion salt.
The second step is that: constructing a porous structure of the zein carrier by a 3D printing technology, controlling the ratio of zein to metal barium particles to be 10:2.5, and printing the zein carrier layer by layer to ensure that the porosity of the zein carrier is 85 percent
The third step: mixing the porous zein carrier obtained in the step two with the uniform powder obtained in the step one, so that the powder obtained in the step one is filled into the pores of the zein carrier to obtain a primary water purifying agent;
the fourth step: and (4) spraying a polyethylene oxide film on the surface of the primary water purifying agent obtained in the step S3 in a spray coating mode, and freeze-drying to obtain the final water purifying agent.
In conclusion, the water purifying agent disclosed by the invention consists of a microcapsule film, a zein carrier and water purifying micropowder, wherein the microcapsule film comprises the following components in parts by weight: the corn protein carrier is used for coating a corn protein carrier, and can be fully dissolved in the wastewater under the condition of normal temperature; corn protein carrier: the device is used for bearing the purified water micropowder, and metal barium particles are attached to the surface of the zein carrier; water purification micropowder: the water purifying agent is prepared by mixing aluminum polychlorid powder, polyacrylamide powder and surface active substance powder, the water purifying micro powder has a basic effect of purifying water quality, the metal barium particles generate alkaline ions, a small amount of acid radical ions in residual liquid can be fully removed, the water body is prevented from becoming acidic, meanwhile, the microcapsule membrane and the zein carrier have a good water decomposition effect, decomposed substances can be absorbed by microorganisms in water, the activity of the microorganisms is enhanced, the water body is further purified, and the existence of pollutants is reduced.
In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A water purifying agent based on recovered waste acid is characterized by comprising the following components: microcapsule membrane, zein carrier and water purifying micropowder;
and (3) microcapsule membrane: the corn protein carrier is used for coating a corn protein carrier, and can be fully dissolved in the wastewater under the condition of normal temperature;
corn protein carrier: the device is used for bearing the purified water micropowder, and metal barium particles are attached to the surface of the zein carrier;
water purification micropowder: is prepared by mixing aluminium polychloride powder, polyacrylamide powder and surfactant powder.
2. The water purifying agent based on recycled waste acid as claimed in claim 1, wherein: the weight parts of the microcapsule membrane, the zein carrier and the water purification micro powder are 10-20 parts, 20-30 parts and 50-70 parts respectively.
3. The water purifying agent based on recycled waste acid as claimed in claim 1, wherein: the microcapsule film is one of chitosan packaging microcapsule film, polyethylene oxide packaging microcapsule film and composite starch packaging microcapsule film.
4. The water purifying agent based on recycled waste acid as claimed in claim 1, wherein: the surface active substance powder is prepared from one or more of anionic polyacrylamide, sodium dodecyl benzene sulfonate, anionic sulfate, ketosulfonamide salt and coordination anion salt.
5. The water purifying agent based on recycled waste acid as claimed in claim 1, wherein: the ratio of the mass fraction of the zein carrier to the mass fraction of the metal barium particles is 10:2.5, and the ratio of the mass fraction of the polyaluminum chloride powder to the mass fraction of the polyacrylamide powder to the mass fraction of the surface active substance powder is 1:1: 0.05.
6. The water purifying agent based on recycled waste acid as claimed in claim 1, wherein: the zein carrier is of a porous medium structure, and the porosity of the zein carrier is 78% -85%.
7. A preparation process of a water purifying agent based on recovered waste acid is characterized by comprising the following steps:
s1: weighing the polyaluminium chloride powder, the polyacrylamide powder and the surface active substance powder according to the ratio of 1:1:0.05, and adding the weighed materials into a mixing tank to be uniformly mixed;
s2: constructing a porous structure of the zein carrier by a 3D printing technology, controlling the ratio of zein to metal barium particles to be 10:2.5, and printing the zein carrier layer by layer;
s3: mixing the porous zein carrier obtained in the step S2 with the uniform powder obtained in the step S1, so that the powder obtained in the step S1 is filled in the pores of the zein carrier to obtain a primary water purifying agent;
s4: and (4) spraying the chitosan film, the polyoxyethylene film and the composite starch film on the surface of the primary water purifying agent obtained in the step S3 in a spray coating mode, and freeze-drying to obtain the final water purifying agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111350033.5A CN114149038A (en) | 2021-11-15 | 2021-11-15 | Water purifying agent based on recovered waste acid and preparation process thereof |
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| CN202111350033.5A CN114149038A (en) | 2021-11-15 | 2021-11-15 | Water purifying agent based on recovered waste acid and preparation process thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1762504A (en) * | 2005-09-16 | 2006-04-26 | 东南大学 | Zein nano fiber porous film and preparation method |
| JP2014122184A (en) * | 2012-12-21 | 2014-07-03 | Nisshin Pharma Inc | Chitosan-containing composition and chitosan coating composition |
| CN106186284A (en) * | 2016-08-26 | 2016-12-07 | 李勇锋 | Microbe carrier |
| CN109231346A (en) * | 2018-10-31 | 2019-01-18 | 广州小众环保科技有限公司 | A kind of compound type purifying agent |
| CN111362427A (en) * | 2020-04-17 | 2020-07-03 | 华禹源环保科技(淄博)有限公司 | 3D printing material for treating microorganism-loaded heavy metal sewage and preparation method and application thereof |
-
2021
- 2021-11-15 CN CN202111350033.5A patent/CN114149038A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1762504A (en) * | 2005-09-16 | 2006-04-26 | 东南大学 | Zein nano fiber porous film and preparation method |
| JP2014122184A (en) * | 2012-12-21 | 2014-07-03 | Nisshin Pharma Inc | Chitosan-containing composition and chitosan coating composition |
| CN106186284A (en) * | 2016-08-26 | 2016-12-07 | 李勇锋 | Microbe carrier |
| CN109231346A (en) * | 2018-10-31 | 2019-01-18 | 广州小众环保科技有限公司 | A kind of compound type purifying agent |
| CN111362427A (en) * | 2020-04-17 | 2020-07-03 | 华禹源环保科技(淄博)有限公司 | 3D printing material for treating microorganism-loaded heavy metal sewage and preparation method and application thereof |
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