CN112624279A - Water purification, disinfection, antibacterial, odor-resistant and algaecide, and preparation method and application thereof - Google Patents
Water purification, disinfection, antibacterial, odor-resistant and algaecide, and preparation method and application thereof Download PDFInfo
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- CN112624279A CN112624279A CN201910906911.3A CN201910906911A CN112624279A CN 112624279 A CN112624279 A CN 112624279A CN 201910906911 A CN201910906911 A CN 201910906911A CN 112624279 A CN112624279 A CN 112624279A
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- water
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- algaecide
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- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- 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
- C02F2305/10—Photocatalysts
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a water purification disinfection antibacterial deodorant algaecide, a preparation method and application thereof in the related technical field of disinfectants, wherein the water purification disinfection antibacterial deodorant algaecide comprises the following components in parts by mole: 5-30 parts of zinc hydroxide, 5-30 parts of copper hydroxide and 40-60 parts of nano titanium dioxide; the material of the invention has low cost, can play the same antibacterial effect as silver ions, and simultaneously combines the advantages of inorganic antibacterial agent and photocatalyst, thereby reducing the dependence of pure titanium dioxide photocatalyst on illumination environment.
Description
Technical Field
The invention relates to the technical field related to disinfectants, in particular to a water purification, disinfection, antibiosis, deodorization and algaecide, and a preparation method and application thereof.
Background
Silver ions, as an inorganic antibacterial agent, can keep the growth or reproduction of certain microorganisms (bacteria) below a necessary level for a certain period of time, and compared with natural antibacterial agents or organic antibacterial agents, silver ion inorganic antibacterial agents have significant advantages in slow-release long-acting property, heat resistance, broad spectrum, processability and the like, so that silver ion inorganic antibacterial agents have become a class of antibacterial agents which are most studied and applied in antibacterial materials and technologies at present. However, the use of silver ions as an antibacterial agent is relatively expensive, and the silver ions as heavy metal ions have strong pollution to water and soil and are not easy to remove. In addition, odor generated by the silver ion inorganic antibacterial agent after sterilization cannot be released immediately, and peculiar smell is emitted by the water body.
The nanometer titanium dioxide photocatalyst is another common antibacterial agent, and can generate hydroxyl free radicals under the action of sunlight, so that the radicals can kill bacteria in water and degrade organic pollutants in water, thereby achieving the purposes of disinfection, deodorization and algae inhibition. However, photocatalytic antimicrobial agents need to be effective under light conditions and are ineffective without catalysis at dark corners.
Disclosure of Invention
Aiming at the technical problems of high cost, strong pollution and the need of illumination to eliminate peculiar smell in the prior art, the invention aims to provide a water purification, disinfection, antibiosis, deodorization and algaecide, a preparation method and application thereof.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a water purification, disinfection, antibiosis, deodorization and algaecide comprises the following components in parts by mole: 5-30 parts of zinc hydroxide, 5-30 parts of copper hydroxide and 40-60 parts of nano titanium dioxide.
Preferably, the water purification, disinfection, antibiosis, deodorization and algaecide comprises the following components in parts by mole: 20 parts of zinc hydroxide, 20 parts of copper hydroxide and 50 parts of nano titanium dioxide.
A method for preparing the water purification, disinfection, antibiosis, deodorization and algaecide comprises the following steps:
1) adding soluble zinc salt into water according to the concentration of 0.5-3M, adding soluble copper salt into water according to the concentration of 0.5-3M, stirring and dissolving; it should be noted that, in this document, the unit M is gram molecular weight/L water, i.e. mol/L, and the "adding soluble zinc salt to water according to a concentration of 0.5 to 3M" in this paragraph is taken as an example to illustrate, that is, after the soluble zinc salt is completely dissolved, the concentration of the soluble zinc salt in water is 0.5 to 3mol/L, and other places where M is taken as a unit are the same as those mentioned above, and are not described again;
adding an oxide or hydroxide of a divalent metal with activity stronger than that of copper and zinc into the water according to the concentration of 1-6M, and stirring for 10-120 min;
wherein, the sequence of adding soluble zinc salt, soluble copper salt and oxide or hydroxide of bivalent metal with activity stronger than that of copper and zinc into water has no strict requirement;
2) treating the reaction liquid obtained in the step 1 by using a centrifugal machine or a filter press to obtain a filter cake;
3) washing the filter cake obtained in the step 2;
4) grinding the filter cake obtained in the step 3 into powder;
5) according to the above requirements of various proportions, adding nano titanium dioxide powder into the powder obtained in the step 4, and fully mixing the two powders to prepare the water purification, disinfection, antibiosis, deodorization and algaecide.
Preferably, in the method for preparing the water purification, disinfection, antibiosis, deodorization and algaecide, the water is one or more of deionized water, purified water and common tap water;
preferably, in the method for preparing the water purification, disinfection, antibiosis, deodorization and algaecide, the soluble zinc salt is one or more of zinc nitrate, zinc acetate and zinc chloride;
preferably, in the method for preparing the water purification, disinfection, antibiosis, deodorization and algaecide, the soluble copper salt is one or more of copper nitrate, copper acetate and copper chloride.
Preferably, the divalent metal is calcium and/or magnesium.
Preferably, in the method for preparing the water purification, disinfection, antibiosis, deodorization and algaecide, the grinding is wet grinding or dry grinding.
A water purification, disinfection, antibacterial, odor-resistant and algae-removing liquid comprises the water solution of the water purification, disinfection, antibacterial, odor-resistant and algae-removing agent with the concentration of 20-80 g/t, and the preparation method is to add 20-80 g of the water purification, disinfection, antibacterial, odor-resistant and algae-removing agent into each ton of water.
Preferably, the concentration of the aqueous solution is 40 g/t.
The invention has the following advantages:
1. the cost of the raw materials used in the invention, such as zinc salt, copper salt and the like, is lower than that of silver salt, and the raw materials have rich sources, are easy to obtain in the market and have very low price;
2. the invention uses zinc ions and copper ions to replace silver ions, can also utilize positive charges of the ions and the coulomb attraction principle of positive and negative charges to kill bacteria with auxiliary charges, also has slow-release long-acting property, heat resistance, broad spectrum and processability, and the toxic and side effects of the copper ions and the zinc ions are lower than those of the silver ions;
3. the invention integrates the advantages of inorganic antibacterial agent and photocatalyst, copper ions and zinc ions can inhibit bacteria and sterilize under the condition of no light, and the nano titanium dioxide can decompose dead bacteria remains and bacterial endotoxin emitted by dead bacteria in the environment with weak light, thereby reducing the dependence of the pure titanium dioxide photocatalyst on the illumination environment.
Detailed Description
The following further describes the embodiments of the present invention. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Firstly, the technical scheme of the invention is to use deionized water, purified water or common tap water; soluble zinc salts such as zinc nitrate, zinc acetate, or zinc chloride; copper salts such as copper nitrate, copper acetate, and copper chloride; metal oxides such as calcium oxide and magnesium oxide; hydroxides such as calcium hydroxide or magnesium hydroxide are common raw materials sold in the market and have no special requirements. The skilled person can use the relevant raw materials according to his own experience, which is not described in detail below.
Examples A1 to A4: preparation of water purifying, disinfecting, antibacterial, deodorizing and algaecide
Example A1
1) Adding 1000L of deionized water into a reaction kettle, and adding zinc nitrate and copper nitrate under a stirring state to ensure that the concentration of the zinc nitrate and the concentration of the copper nitrate in the solution are 0.5M and 0.5M respectively;
continuously adding calcium hydroxide under stirring to make the concentration of calcium hydroxide in the solution be 1M, and continuously stirring for reaction for 10 min;
in specific implementation, calcium hydroxide can be added firstly, and then zinc nitrate and copper nitrate are added; in addition, in order to make the reaction more complete, the calcium hydroxide may also be used in an amount such that its concentration is suitably greater than 1M;
2) injecting the slurry in the reaction kettle in the previous step into a filter press, and carrying out solid-liquid separation to prepare a filter cake;
3) washing the filter cake obtained in the step 2 twice by using clear water to prepare a water-containing filter cake;
4) adding water to the filter cake obtained in the step 3, grinding the mixture into slurry by a wet method, and then preparing powder containing water of about 4% and D50 of particles of 1.2 mu m by spray drying; which contained 49.5kg of zinc hydroxide and 49kg of copper hydroxide;
5) and (4) adding 320kg of nano titanium dioxide powder into the powder obtained in the step (4), and fully mixing to prepare the water purification, disinfection, antibiosis, deodorization and algaecide.
Example A2
1) Adding 1000L of purified water into a reaction kettle, adding zinc acetate and copper acetate under stirring to dissolve or suspend the zinc acetate and the copper acetate in the purified water in a granular form, wherein the zinc acetate and the copper acetate are used in amounts, if the zinc acetate and the copper acetate are completely dissolved, the concentration of the zinc acetate in the solution is 2M, and the concentration of the copper acetate in the solution is 2M;
continuously adding calcium oxide under stirring to make the content of calcium hydroxide generated after the calcium oxide reacts with water be 4M under the condition of complete dissolution, and continuously stirring and reacting for 60 min;
during specific implementation, calcium oxide can be added, and then zinc nitrate and copper nitrate are added, so that the heat release of the reaction of the calcium oxide and water is utilized to improve the solubility of zinc acetate and copper acetate in water, and the reaction of high zinc acetate and copper acetate with calcium hydroxide is promoted; in addition, in order to make the reaction more complete, the calcium oxide may be properly larger than the amount of calcium hydroxide with a concentration of 4M;
2) injecting the slurry in the reaction kettle in the previous step into a centrifugal machine, and carrying out solid-liquid separation to prepare a filter cake;
3) washing the filter cake obtained in the step 2 twice by using clear water to prepare a water-containing filter cake;
4) firstly, drying the filter cake obtained in the last step, and then grinding the filter cake into powder with the particle size less than 10 mu m by a steam flow grinding dry method; wherein 198kg of zinc hydroxide and 196kg of copper hydroxide are contained;
5) and (4) adding 400kg of nano titanium dioxide powder into the powder obtained in the step (4), and fully mixing to prepare the water purification, disinfection, antibiosis, deodorization and algaecide.
Example A3
1) Adding 1000L of common tap water into a reaction kettle, and adding zinc chloride and copper chloride under a stirring state to ensure that the concentration of the zinc chloride in the solution is 3M and the concentration of the copper chloride is 3M;
continuously adding magnesium hydroxide under stirring to ensure that the concentration of the magnesium hydroxide in the solution is 6M under the complete dissolution state, and continuously stirring for reaction for 120 min;
during specific implementation, magnesium hydroxide can be added firstly, and then zinc chloride and copper chloride are added; in addition, in order to make the reaction more complete, the amount of the magnesium hydroxide can be properly larger than the requirement of meeting the concentration of 6M;
2) injecting the slurry in the reaction kettle in the previous step into a centrifugal machine, and carrying out solid-liquid separation to prepare a filter cake;
3) washing the filter cake obtained in the step 2 twice by using clear water to prepare a water-containing filter cake;
4) firstly, drying the filter cake obtained in the last step, and then grinding the filter cake into powder with the particle size less than 10 mu m by a steam flow grinding dry method; it contained 297kg of zinc hydroxide and 294kg of copper hydroxide;
5) and (4) adding 480kg of nano titanium dioxide powder into the powder obtained in the step (4), and fully mixing to prepare the water purification, disinfection, antibiosis, deodorization and algaecide.
Example A4
1) Adding 1000L of common tap water into a reaction kettle, and adding zinc chloride and copper nitrate under a stirring state to ensure that the concentration of the zinc chloride in the solution is 1M and the concentration of the copper nitrate is 1M;
under the stirring state, continuously adding 80kg of magnesium oxide, heating to boiling, and continuously stirring for 90 min;
during specific implementation, magnesium oxide can be added firstly, and then zinc chloride and copper chloride are added to react under the boiling state, or 80kg of magnesium oxide is changed into a mixture of 40kg of magnesium oxide and 56kg of calcium oxide, and the reaction of the magnesium oxide and water is promoted by utilizing the heat released by the reaction of the calcium oxide and the water; in addition, in order to make the reaction more complete, the amount of magnesium oxide or the mixture of magnesium oxide and calcium oxide can be also properly larger than that used in the embodiment;
2) injecting the slurry in the reaction kettle in the previous step into a centrifugal machine, and carrying out solid-liquid separation to prepare a filter cake;
3) washing the filter cake obtained in the step 2 twice by using clear water to prepare a water-containing filter cake;
4) adding water to the filter cake obtained in the step 3, grinding the mixture into slurry by a wet method, and then preparing powder containing water of about 4% and D50 of particles of 1.2 mu m by spray drying; it contains 99kg of zinc hydroxide and 98kg of copper hydroxide;
5) and (4) adding 400kg of nano titanium dioxide powder into the powder obtained in the step (4), and fully mixing to prepare the water purification, disinfection, antibiosis, deodorization and algaecide.
Example A5
1) Adding 1000L of common tap water into a reaction kettle, and adding zinc acetate and copper chloride under stirring to ensure that the concentration of the zinc acetate in the solution is 1.5M and the concentration of the zinc chloride is 1.5M;
under the stirring state, continuously adding 168kg of calcium oxide, and continuously stirring for 30 min;
during specific implementation, calcium oxide can be added firstly, and then zinc acetate and copper chloride are added, so that the solubility of the zinc acetate is increased by utilizing the heat released by the reaction of the calcium oxide and water; in addition, in order to make the reaction more complete, the dosage of the calcium oxide can also be more than 168 kg;
2) injecting the slurry in the reaction kettle in the previous step into a filter press, and carrying out solid-liquid separation to prepare a filter cake;
3) washing the filter cake obtained in the step 2 twice by using clear water to prepare a water-containing filter cake;
4) adding water to the filter cake obtained in the step 3, grinding the mixture into slurry by a wet method, and then preparing powder containing water of about 4% and D50 of particles of 1.2 mu m by spray drying; it contained 148.5kg of zinc hydroxide and 147kg of copper hydroxide;
5) and (4) adding 420kg of nano titanium dioxide powder into the powder obtained in the step (4), and fully mixing to prepare the water purification, disinfection, antibiosis, deodorization and algaecide.
In this group of examples, namely examples a1 to a5, the raw materials and reaction conditions for preparing the water-purifying, disinfecting, antibacterial, odor-resistant, and algaecide can be replaced in each example as long as they are parameters that perform the same function, and those skilled in the art can obtain mixtures of copper hydroxide and zinc hydroxide in different proportions by combining them arbitrarily without creative work without departing from the basic concept of the present invention.
Examples B1-B3 preparation of Water-purifying, disinfecting, anti-microbial, odor-resistant, and algae-removing solutions
Example B1
20g of the water-purifying disinfecting antibacterial deodorant algaecide prepared in example A1-A5 was mixed with 1 ton of water to prepare a water-purifying disinfecting antibacterial deodorant algaecide solution.
Example B1
40g of the water purification, disinfection, antibacterial, deodorant and algaecide prepared in example A1-A5 was mixed with 1 ton of water to prepare a water purification, disinfection, antibacterial, deodorant and algaecide solution.
Example B1
80g of the water purification, disinfection, antibacterial, deodorant and algaecide prepared in the embodiment A1-A5 was mixed with 1 ton of water to prepare the water purification, disinfection, antibacterial, deodorant and algaecide solution.
Example C test of Effect of antibacterial, deodorant and algaecide liquid for Water purification and Disinfection
The sterilization experiment of the water purification, disinfection, antibiosis, deodorization and algae removal liquid prepared in the embodiment B1-B3 shows that:
(1) the sterilization effect has quick-acting performance, and the sterilization rate of the sterilization agent on escherichia coli, staphylococcus aureus and candida albicans can reach more than 99.9 percent within 1 hour;
(2) under the irradiation of sunlight or lamplight, bacterial metabolites, dead bacteria remains and bacterial endotoxins can be decomposed, and the effects of disinfection and deodorization are thorough;
(3) when the super fine mist spray head sprays at a distance of 10-20 cm from a target, the super fine mist spray head is excellent in atomization function, uniform and fine in spraying and not prone to generating marks.
The water purifying, disinfecting, antibacterial, deodorizing and algae-removing liquid product is a high-tech product prepared by combining two new materials, namely antibacterial zinc-copper ions and nano titanium dioxide crystal colloidal solution. The dosage of each ton of water is only 0.04kg, when the disinfectant is used, the disinfectant is only diluted by 10-15 times with water and is uniformly sprayed on the water surface of a sprayer, the photocatalytic effect can repeatedly exert the product function, the sterilization and odor removal effect is long and lasting, the effective period is as long as 1-2 years, and the disinfectant is highly safe and beneficial to human bodies and the environment.
The embodiments of the present invention have been described in detail, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and these embodiments are within the scope of the invention.
Claims (10)
1. The water purifying, disinfecting, antibacterial, deodorant and algaecide is characterized in that: comprises the following components in molar portion: 5-30 parts of zinc hydroxide, 5-30 parts of copper hydroxide and 40-60 parts of nano titanium dioxide.
2. The water purification, disinfection, antibacterial, odor-resistant algaecide of claim 1, wherein: comprises the following components in molar portion: 20 parts of zinc hydroxide, 20 parts of copper hydroxide and 50 parts of nano titanium dioxide.
3. A method for preparing the water purification, disinfection, antibacterial, odor-resistant and algaecide as claimed in claim 1 or 2, characterized in that: the method comprises the following steps:
1) adding soluble zinc salt into water according to the concentration of 0.5-3M, adding soluble copper salt into water according to the concentration of 0.5-3M, stirring and dissolving;
adding an oxide or hydroxide of a divalent metal with activity stronger than that of copper and zinc into the water according to the concentration of 1-6M, and stirring for 10-120 min;
2) treating the reaction liquid obtained in the step 1 by using a centrifugal machine or a filter press to obtain a filter cake;
3) washing the filter cake obtained in the step 2;
4) grinding the filter cake obtained in the step 3 into powder;
5) and (4) adding nano titanium dioxide powder into the powder obtained in the step (4), and fully mixing.
4. The method for preparing the water purification, disinfection, antibacterial, odor-resistant and algaecide according to claim 3, wherein: the water is one or more of deionized water, purified water and common tap water.
5. The method for preparing the water purification, disinfection, antibacterial, odor-resistant and algaecide according to claim 3, wherein: the soluble zinc salt is one or more of zinc nitrate, zinc acetate and zinc chloride.
6. The method for preparing the water purification, disinfection, antibacterial, odor-resistant and algaecide according to claim 3, wherein: the soluble copper salt is one or more of copper nitrate, copper acetate and copper chloride.
7. The method for preparing the water purification, disinfection, antibacterial, odor-resistant and algaecide according to claim 3, wherein: the divalent metal is calcium and/or magnesium.
8. The method for preparing the water purification, disinfection, antibacterial, odor-resistant and algaecide according to any one of claims 3 to 7, wherein the method comprises the following steps: the grinding is wet grinding or dry grinding.
9. The utility model provides a antibiotic deodorant algae liquid of water purification disinfection which characterized in that: the water solution of the water purification, disinfection, antibiosis, deodorization and algaecide as claimed in claim 1 or 2 with the concentration of 20-80 g/t.
10. The water purification, disinfection, antibacterial, odor-resistant and algae-removing liquid as claimed in claim 9, wherein: the concentration of the aqueous solution was 40 g/t.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910906911.3A CN112624279A (en) | 2019-09-24 | 2019-09-24 | Water purification, disinfection, antibacterial, odor-resistant and algaecide, and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910906911.3A CN112624279A (en) | 2019-09-24 | 2019-09-24 | Water purification, disinfection, antibacterial, odor-resistant and algaecide, and preparation method and application thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1445195A (en) * | 2002-11-20 | 2003-10-01 | 上海维来新材料科技有限公司 | Complex super fine powder of copper-zinc compound as well as its preparing technique and usage |
| CN1565189A (en) * | 2003-06-09 | 2005-01-19 | 珠海经济特区天年生物工程科技有限公司 | Composite antiseptic material preparation method and its products |
| CN1775032A (en) * | 2005-11-30 | 2006-05-24 | 青岛大学 | Nano TiO2 carrying metal ion antibacterial agent and its preparing method |
| US20060286051A1 (en) * | 2004-05-07 | 2006-12-21 | Catalysts & Chemicals Industries Co., Ltd. | Antibacterial deodorant and method for producing the same |
| CN108485441A (en) * | 2018-05-04 | 2018-09-04 | 合肥易美特建材有限公司 | A kind of water nano titanium oxide photocatalysis disinfectant purification coating and preparation method thereof |
-
2019
- 2019-09-24 CN CN201910906911.3A patent/CN112624279A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1445195A (en) * | 2002-11-20 | 2003-10-01 | 上海维来新材料科技有限公司 | Complex super fine powder of copper-zinc compound as well as its preparing technique and usage |
| CN1565189A (en) * | 2003-06-09 | 2005-01-19 | 珠海经济特区天年生物工程科技有限公司 | Composite antiseptic material preparation method and its products |
| US20060286051A1 (en) * | 2004-05-07 | 2006-12-21 | Catalysts & Chemicals Industries Co., Ltd. | Antibacterial deodorant and method for producing the same |
| CN1775032A (en) * | 2005-11-30 | 2006-05-24 | 青岛大学 | Nano TiO2 carrying metal ion antibacterial agent and its preparing method |
| CN108485441A (en) * | 2018-05-04 | 2018-09-04 | 合肥易美特建材有限公司 | A kind of water nano titanium oxide photocatalysis disinfectant purification coating and preparation method thereof |
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