CN111771909A - Disinfecting composition and preparation method thereof - Google Patents

Disinfecting composition and preparation method thereof Download PDF

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CN111771909A
CN111771909A CN202010581919.XA CN202010581919A CN111771909A CN 111771909 A CN111771909 A CN 111771909A CN 202010581919 A CN202010581919 A CN 202010581919A CN 111771909 A CN111771909 A CN 111771909A
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cooh
parts
sodium
calcium hypochlorite
polyacrylamide
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袁树东
袁鑫
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Shanghai Lanyu Water Treatment Co ltd
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Shanghai Lanyu Water Treatment Co ltd
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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
    • 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
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/22—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing ingredients stabilising the active ingredients
    • 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
    • A01N59/02—Sulfur; Selenium; Tellurium; Compounds thereof
    • 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
    • A01N59/06—Aluminium; Calcium; Magnesium; Compounds thereof
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/42—Nature of the water, waste water, sewage or sludge to be treated from bathing facilities, e.g. swimming pools
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • Zoology (AREA)
  • Pest Control & Pesticides (AREA)
  • Environmental Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Plant Pathology (AREA)
  • Inorganic Chemistry (AREA)
  • Toxicology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The application belongs to the technical field of disinfection, and particularly relates to a disinfection composition and a preparation method thereof. The invention discloses a high-performance disinfection composition, which comprises potassium monopersulfate, sodium-method calcium hypochlorite, iron salt, kieselguhr and RNx(OH)y(COOH)zPolyacrylamide; wherein x is 0-2, y is 0-2, z is 2-4, and R is alkyl. The disinfection composition is an efficient oxidation disinfectant, and has the effect of widely killing microorganisms, including the inactivation of bacteria, spores, viruses, fungi and other water supply bodies and chlorine-resistant bacteria in a water supply pipe network; but also can oxidize some organic pollutants which can not be oxidized by hydroxyl free radicals, decompose the organic pollutants into water, carbon dioxide and simple inorganic matters, degrade residual pesticides and heavy metals, and solve the problem of acute and chronic poisoning caused by chemical pollution; but also can effectively remove algae and decompose algal toxins.

Description

Disinfecting composition and preparation method thereof
Technical Field
The invention belongs to the technical field of disinfection, and particularly relates to a disinfection composition and a preparation method thereof.
Background
Along with social development, water pollution is increasingly serious, population is continuously increased, and water resource shortage becomes a more and more serious problem. Disinfection is an important link in water treatment, eliminates various human life-threatening diseases such as cholera, typhoid and the like, and reduces the morbidity and mortality of the diseases. Chlorine-containing disinfectants such as liquid chlorine and hypochlorite have the advantages of strong sterilizing capability, low price and the like, and are used for sterilizing drinking water, municipal sewage and reclaimed water in many countries. Furthermore, with the change of life concept and the improvement of life standard quality of people, swimming is established for the next common body-building exercise. In hot summer, swimming is particularly favored by people, and the public swimming pool becomes a good place for people to avoid summer heat. The swimming pool water is recycled for multiple uses, so that bacteria in the water are increased continuously, and therefore, the pool water needs to be disinfected.
CN1202722C discloses an algae-removing disinfectant, which is prepared by taking sodium-method calcium hypochlorite as a raw material, adding a certain proportion of sodium gluconate, cobalt and sodium sulfite into the sodium-method calcium hypochlorite, uniformly mixing the raw materials to form granules, and then carrying out multi-component weight packaging. The algae-removing disinfectant has simple and convenient process, strong algae-removing and sterilizing power, easy decomposition, no residual toxicity and no secondary pollution, takes water source to remove algae and sterilize, and provides a good foundation for environmental management. But is deficient in achieving long-term sterilization.
Disclosure of Invention
In order to solve the above-mentioned technical problems, the first aspect of the present invention provides a disinfectant composition comprising potassium monopersulfate, sodium-based calcium hypochlorite, an iron salt, diatomaceous earth, RNx(OH)y(COOH)zPolyacrylamide; wherein x is 0-2, y is 0-2, z is 2-4, and R is alkyl.
As a preferable technical scheme, the components comprise, by weight, 1-10 parts of potassium monopersulfate, 70-80 parts of sodium-method calcium hypochlorite, 1-10 parts of iron salt, 2-10 parts of diatomite and RNx(OH)y(COOH)z2-10 parts of polyacrylamide and 2-5 parts of polyacrylamide; wherein x is 0-2, y is 0-2, z is 2-4, and R is alkyl.
As a preferable technical scheme, the composition comprises 6 parts by weight of potassium monopersulfate, 76 parts by weight of sodium-method calcium hypochlorite, 2 parts by weight of iron salt, 5 parts by weight of diatomite and RNx(OH)y(COOH)z4 parts of polyacrylamide; wherein x is 0-2, y is 0-2, z is 2-4, and R is alkyl.
As a preferable technical proposal, the content of active oxygen of the potassium monopersulfate is more than or equal to 4 percent.
As a preferred technical scheme, the iron salt comprises ferrous salt and ferric salt.
As a preferable technical scheme, the weight ratio of the ferrous salt to the ferric salt is (3-5): 1.
as a preferred technical scheme, the iron salt and RNx(OH)y(COOH)zThe weight ratio of (1): (1.5-2.5), wherein x is 0-2, y is 0-2, z is 2-4, and R is alkyl.
As a preferred technical scheme, the RNx(OH)y(COOH)zSelected from RN0(OH)1(COOH)2、RN2(OH)0(COOH)4、RN0(OH)2(COOH)2、RN0(OH)1(COOH)3R is alkyl.
As a preferred technical scheme, the RNx(OH)y(COOH)zIs RN0(OH)1(COOH)2And RN2(OH)0(COOH)4，RN0(OH)1(COOH)2And RN2(OH)0(COOH)4The weight ratio of (A) to (B) is 3: 1, R is alkyl.
In a second aspect, the invention provides a method for preparing the disinfecting composition, which comprises the step of mixing the components.
Has the advantages that: the disinfection composition is an efficient oxidation disinfectant, and has the effect of widely killing microorganisms, including the inactivation of bacteria, spores, viruses, fungi and other water supply bodies and chlorine-resistant bacteria in a water supply pipe network; but also can oxidize some organic pollutants which can not be oxidized by hydroxyl free radicals, decompose the organic pollutants into water, carbon dioxide and simple inorganic matters, degrade residual pesticides and heavy metals, and solve the problem of acute and chronic poisoning caused by chemical pollution; but also can effectively remove algae and decompose algal toxins.
Detailed Description
In order to solve the above problems, the present invention provides a disinfecting composition comprising potassium monopersulfate, sodium-processed calcium hypochlorite, an iron salt, diatomaceous earth, RNx(OH)y(COOH)zPolyacrylamide; wherein x is 0-2, y is 0-2, z is 2-4, and R is alkyl.
Preferably, the components comprise, by weight, 1-10 parts of potassium monopersulfate, 70-80 parts of sodium-method calcium hypochlorite, 1-10 parts of iron salt, 2-10 parts of diatomite and RNx(OH)y(COOH)z2-10 parts of polyacrylamide and 2-5 parts of polyacrylamide; wherein x is 0-2, y is 0-2, z is 2-4, and R is alkyl.
More preferably, the components comprise 6 parts of potassium monopersulfate, 76 parts of sodium-method calcium hypochlorite, 2 parts of iron salt, 5 parts of diatomite and RN by weightx(OH)y(COOH)z4 parts of polyacrylamide; wherein x is 0-2, y is 0-2, z is 2-4, and R is alkyl.
Potassium monopersulfate is an inorganic peroxide, also known as potassium monopersulfate, which exists in the form of a triple salt with potassium hydrogen sulfate and potassium sulfate and has a molecular formula of 2KHSO5·KHSO4·K2SO4。
Potassium monopersulfate has a broad microbial killing effect, releases active oxygen after being dissolved in water, and generates various high-energy and high-activity micromolecule free radicals, nascent atomic oxygen, oxygen free radicals, hydroxyl free radicals, sulfuric acid free radicals and other active ingredients through a chain reaction by a high-energy activator, so that the high-efficiency oxidation disinfectant becomes a high-efficiency oxidation disinfectant, has a broad microbial killing effect, and comprises the inactivation of bacteria, spores, viruses, fungi and other water supply bodies and chlorine-resistant bacteria in a water supply pipe network; potassium monopersulfate is dissolved in water to release free sulfuric acid radicals, so that organic pollutants which cannot be oxidized by certain hydroxyl radicals can be oxidized and decomposed into water, carbon dioxide and simple inorganic matters; potassium monopersulfate also removes algae and decomposes algal toxins.
Preferably, the active oxygen content of the potassium monopersulfate is more than or equal to 4 percent; for example, the potassium monopersulfate has an active oxygen content of 4%, 4.65%, 5%, 13%, or the like.
The method for testing the active oxygen content is a test method commonly used in the field. For example, the test is carried out with reference to GB/T13176.3-1991.
The oxone was purchased from Yuan Shuo Fine Chemicals, Inc., Suzhou, where KHSO5The content is 42.8 percent, and the content of active oxygen is more than or equal to 4.5 percent.
The prior production process of the sodium method calcium hypochlorite comprises a Japanese Caoda process, an American Aolin process, an Italian Dinola process, a Japanese Sengtianfu process and a Canadian Kaimedi process, wherein the domestic process is a two-step chlorination process, namely one-step chlorination is liquid alkali and chlorination is carried out while generating sodium chloride crystals; the second chlorination is mixed solution of ammonium hypochlorite, calcium hydroxide and sodium chloride.
The raw materials for preparing the sodium-method calcium hypochlorite comprise calcium hydroxide, sodium hydroxide and chlorine; in the process of producing sodium-method calcium hypochlorite, anhydrous calcium hypochlorite, dihydrate calcium hypochlorite, trihydrate calcium hypochlorite, semi-basic calcium hypochlorite, dibasic calcium hypochlorite, tetrabasic calcium hypochlorite, sodium chloride and the like are generated. When the temperature is determined during the reaction, the basic salt can be used as a seed crystal to increase the crystallization rate of water and calcium hypochlorite because the basic salt and the hydrated calcium hypochlorite have similar crystal structures. As the reaction proceeds, the contents of the basic salt and the hydrated calcium hypochlorite in the mother liquor are changed.
The sodium method calcium hypochlorite purchasing manufacturers can list Xinxin chemical plants in Tianjin and Xinze fine chemical industry, Inc. in Tianjin.
The present applicant has found that the disinfecting composition has excellent disinfecting effect by using calcium hypochlorite as a main active ingredient and potassium monopersulfate as an auxiliary ingredient, and particularly, when the calcium hypochlorite is sodium-method calcium hypochlorite and can be only sodium-method calcium hypochlorite, it is presumed that the generation of sodium-method calcium hypochlorite is causedSodium hydroxide is introduced in the production process, and calcium chloride is converted into sodium chloride; the addition of potassium monopersulfate stimulates the activity of sodium-based calcium hypochlorite, and the appropriate amount of ions (e.g., chloride ions) in sodium-based calcium hypochlorite can react with potassium monopersulfate to form Cl as an active material2And HClO.
Preferably, the iron salt comprises a ferrous salt and a ferric salt, and the weight ratio of the ferrous salt to the ferric salt is (3-5): 1; the weight ratio of the further ferrous salt to the ferric salt is 4: 1.
preferably, the iron salt is reacted with RNx(OH)y(COOH)zThe weight ratio of (1): (1.5-2.5), wherein x is 0-2, y is 0-2, z is 2-4, and R is alkyl.
The iron salt is reacted with RNx(OH)y(COOH)zThe weight ratio of (1): (1.5-2.5), RNx(OH)y(COOH)zFor Fe2+Has a buffering effect on the release of (1) so that Fe2+The potassium monopersulfate can be continuously released into a disinfection system, and can be used for carrying out catalytic decomposition on potassium monopersulfate to generate free radicals for disinfection, and the disinfection composition still has bactericidal activity after being added for 3 hours; but also due to RNx(OH)y(COOH)zIn which the presence of R groups prevents Fe2+Contact with potassium monopersulfate results in a reduction in bactericidal activity; the applicant has found that the iron salt comprises a ferrous salt and a ferric salt, and the weight ratio of the ferrous salt to the ferric salt is 4: 1 hour, the bactericidal activity of the disinfectant powder is more than 75% after 3 hours of adding the disinfectant composition, and RN is presumed2(OH)0(COOH)4Firstly complexing with ferric iron and then complexing with ferrous iron ions, wherein part of the ferrous iron ions are in a free state due to RN2(OH)0(COOH)4The stability constant of the free ferrous ion is larger than that of the ferrous ion, the free ferrous ion catalyzes potassium monopersulfate to generate the ferric ion, the exchange reaction of the ferric ion and the complexed ferrous ion is strengthened, and then the release of the ferrous ion and the catalysis of potassium monopersulfate are promoted.
Preferably, theRNx(OH)y(COOH)zWherein x is 0-2, y is 0-2, z is 2-4, and R is alkyl; preferably, the RNx(OH)y(COOH)zSelected from RN0(OH)1(COOH)2、RN2(OH)0(COOH)4、RN0(OH)2(COOH)2、RN0(OH)1(COOH)3At least one of (1). The RNx(OH)y(COOH)zIs RN0(OH)1(COOH)2And RN2(OH)0(COOH)4(ii) a The RN0(OH)1(COOH)2And RN2(OH)0(COOH)4The weight ratio of (A) to (B) is 3: 1 and R is alkyl.
The applicant has also found that when the RN isx(OH)y(COOH)zIncluding RN0(OH)1(COOH)2And RN2(OH)0(COOH)4In the case of the above, 3 hours after the addition of the disinfecting composition, the disinfecting activity of the disinfecting powder is more than 88%, and it is presumed that potassium monopersulfate dissolved in water releases various active ingredients such as highly active small molecular radicals, nascent atomic oxygen, oxygen radicals, hydroxyl radicals, and sulfuric acid radicals through a chain reaction, and the addition of potassium monopersulfate stimulates the activity of sodium-based calcium hypochlorite, and an appropriate amount of ions (for example, chloride ions) in the sodium-based calcium hypochlorite can react with potassium monopersulfate to form active species Cl2And HClO, the intermediate product generated regulates RN0(OH)1(COOH)2And RN2(OH)0(COOH)4The intermediate product formed can promote the conversion of ferric iron to ferrous iron ions, thereby further promoting the decomposition of potassium monopersulfate.
The diatomite is a porous loose compound formed by depositing and mineralizing the remains of the diatom, and the main component of the diatomite is silicon dioxide, and the diatomite also comprises alumina, ferric oxide, calcium oxide, magnesium oxide, phosphorus pentoxide and other organic matters; the diatomite has a hardness of 1-1.5 and a density of 1.9-2.35g/cm3。
Preferably, the diatomite comprises 50-55 wt% of silicon dioxide, 9-11 wt% of alumina, 6-8 wt% of ferric trioxide and the balance of organic matters and impurities. The impurities refer to substances inevitably generated during the formation of the diatomite, such as alumina, iron oxide, calcium oxide, magnesium oxide, phosphorus pentoxide and the like.
The polyacrylamide is a linear high molecular polymer and is prepared by polymerizing an Acrylamide (AM) monomer through free radical initiation, and a main chain of the polyacrylamide is provided with a large amount of acylamino.
In a second aspect of the invention, there is provided a process for the preparation of the disinfecting composition comprising the steps of: (1) adding diatomaceous earth into magnesium salt water solution, stirring at 70 deg.C for 60min, adding polyacrylamide, stirring for 60min, and drying; (2) mixing the substance obtained in the step (1) with potassium monopersulfate, sodium-method calcium hypochlorite, iron salt and RNx(OH)y(COOH)zMixing to obtain the final product.
Wherein the weight ratio of the diatomite to the magnesium salt aqueous solution is 1: and 3, the mass fraction of the magnesium salt in the magnesium salt aqueous solution is 20-40%.
Preferably, the magnesium salt is magnesium sulfate and/or magnesium chloride.
The calcium hypochlorite can gradually generate hypochlorite radicals in the process of placing to cause the content of effective chlorine to be reduced, the reduction of the effective chlorine can be reduced on the whole by independently adding polyacrylamide or diatomite, but the content of the effective chlorine is reduced faster at the initial stage of placing by independently adding the polyacrylamide, and the content of the effective chlorine is reduced faster at the later stage of placing by independently adding the diatomite, so that the use requirements of different products cannot be met; so that the reduction rate of the available chlorine content of the disinfection composition is lower than 2.5 percent after the disinfection composition is placed in a constant temperature box at 40 ℃ for 10 days and 90 days.
The applicant has also found that the diatomaceous earth has a silica content of 5055-55 wt% of aluminum oxide, 6-8 wt% of ferric trioxide, and a certain amount of Fe when magnesium sulfate is used as magnesium sulfate3+、SO4 2-The reaction of ferrous ions and sulfate radicals is weakened, so that the bactericidal activity is improved.
The disinfection composition provided by the invention is simple in use method, can be dissolved by water in different proportions according to different use places, and then is sterilized and disinfected.
Preferably, the composition also comprises 1-3 parts of sodium tripolyphosphate.
Active groups in the sodium tripolyphosphate can interact with calcium hypochlorite and the like, and the solubility is increased to achieve the effects of scale inhibition and scale prevention.
The present invention will be specifically described below by way of examples. It should be noted that the following examples are only for illustrating the present invention and should not be construed as limiting the scope of the present invention, and that the insubstantial modifications and adaptations of the present invention by those skilled in the art based on the above disclosure are still within the scope of the present invention.
In addition, the starting materials used are all commercially available, unless otherwise specified.
Examples
Example 1
A high-performance disinfection composition comprises, by weight, 6 parts of potassium monopersulfate, 76 parts of sodium-method calcium hypochlorite, 2 parts of iron salt, 5 parts of diatomite and RNx(OH)y(COOH)z4 parts of polyacrylamide, 3 parts of sodium tripolyphosphate and 2 parts of sodium tripolyphosphate.
Wherein the potassium monopersulfate is purchased from Yuan Shuo Fine Chemicals, Inc., Suzhou, where KHSO5The content is 42.8 percent, and the content of active oxygen is more than or equal to 4.5 percent; the sodium method calcium hypochlorite is purchased from a Xinxin chemical plant in Tianjin, and the effective chlorine content is 65-70%; the iron salt comprises ferrous sulfate and ferric trichloride, and the weight ratio of the ferrous sulfate to the ferric trichloride is 4: 1; the diatomite comprises 52 wt% of silicon dioxide, 10 wt% of alumina, 7 wt% of ferric trioxide and the balance of organic matters and impurities, and is purchased from Junjunjibia diatomite in Yixing cityA limited company; the RNx(OH)y(COOH)zEthylene diamine-N, N-succinic acid and malic acid; the weight ratio of the malic acid to the ethylenediamine-N, N-succinic acid is 3: 1; the CAS number of the ethylenediamine-N, N-succinic acid is 20846-91-7.
The weight average molecular weight of polyacrylamide is 600 kDa.
The preparation method of the disinfection composition comprises the following steps: (1) adding diatomite into magnesium sulfate water solution, stirring at 70 deg.C for 60min, adding polyacrylamide, stirring for 60min, and drying; (2) mixing the substance obtained in the step (1) with potassium monopersulfate, sodium-method calcium hypochlorite, iron salt and RNx(OH)y(COOH)zMixing to obtain the final product. Wherein the weight ratio of the diatomite to the magnesium sulfate aqueous solution is 1: 3, the mass fraction of the magnesium sulfate in the magnesium sulfate aqueous solution is 30%.
Example 2
A high-performance disinfection composition comprises, by weight, 6 parts of potassium monopersulfate, 76 parts of sodium-method calcium hypochlorite, 2 parts of iron salt, 5 parts of diatomite and RNx(OH)y(COOH)z4 parts of polyacrylamide, 3 parts of sodium tripolyphosphate and 2 parts of sodium tripolyphosphate.
Wherein the potassium monopersulfate is purchased from Yuan Shuo Fine Chemicals, Inc., Suzhou, where KHSO5The content is 42.8 percent, and the content of active oxygen is more than or equal to 4.5 percent; the sodium method calcium hypochlorite is purchased from a Xinxin chemical plant in Tianjin, and the effective chlorine content is 65-70%; the iron salt comprises ferrous sulfate; the diatomite comprises 52 wt% of silicon dioxide, 10 wt% of aluminum oxide and 7 wt% of ferric trioxide, and the balance of organic matters and impurities, wherein the diatomite is purchased from Junlian diatomite Co., Ltd in Yixing city; the RNx(OH)y(COOH)zEthylene diamine-N, N-succinic acid and malic acid; the weight ratio of the malic acid to the ethylenediamine-N, N-succinic acid is 3: 1; the weight average molecular weight of the polyacrylamide is 600 kDa.
The preparation method of the disinfection composition has the specific steps as in example 1.
Example 3
High-performance disinfection combinationThe composition comprises, by weight, 6 parts of potassium monopersulfate, 76 parts of sodium-method calcium hypochlorite, 2 parts of iron salt, 5 parts of diatomite and RNx(OH)y(COOH)z4 parts of polyacrylamide, 3 parts of sodium tripolyphosphate and 2 parts of sodium tripolyphosphate.
Wherein the potassium monopersulfate is purchased from Yuan Shuo Fine Chemicals, Inc., Suzhou, where KHSO5The content is 42.8 percent, and the content of active oxygen is more than or equal to 4.5 percent; the sodium method calcium hypochlorite is purchased from a Xinxin chemical plant in Tianjin, and the effective chlorine content is 65-70%; the iron salt comprises ferrous sulfate and ferric trichloride, and the weight ratio of the ferrous sulfate to the ferric trichloride is 1: 1; the diatomite comprises 52 wt% of silicon dioxide, 10 wt% of aluminum oxide and 7 wt% of ferric trioxide, and the balance of organic matters and impurities, wherein the diatomite is purchased from Junlian diatomite Co., Ltd in Yixing city; the RNx(OH)y(COOH)zEthylene diamine-N, N-succinic acid and malic acid; the weight ratio of the malic acid to the ethylenediamine-N, N-succinic acid is 3: 1; the weight average molecular weight of the polyacrylamide is 600 kDa.
The preparation method of the disinfection composition has the specific steps as in example 1.
Example 4
A high-performance disinfection composition comprises, by weight, 6 parts of potassium monopersulfate, 76 parts of sodium-method calcium hypochlorite, 2 parts of iron salt, 5 parts of diatomite and RNx(OH)y(COOH)z2 parts of polyacrylamide, 3 parts of sodium tripolyphosphate and 2 parts of sodium tripolyphosphate.
Wherein the potassium monopersulfate is purchased from Yuan Shuo Fine Chemicals, Inc., Suzhou, where KHSO5The content is 42.8 percent, and the content of active oxygen is more than or equal to 4.5 percent; the sodium method calcium hypochlorite is purchased from a Xinxin chemical plant in Tianjin, and the effective chlorine content is 65-70%; the iron salt comprises ferrous sulfate and ferric trichloride, and the weight ratio of the ferrous sulfate to the ferric trichloride is 4: 1; the diatomite comprises 52 wt% of silicon dioxide, 10 wt% of aluminum oxide and 7 wt% of ferric trioxide, and the balance of organic matters and impurities, wherein the diatomite is purchased from Junlian diatomite Co., Ltd in Yixing city; the RNx(OH)y(COOH)zEthylene diamine-N, N-succinic acid and malic acid; the weight ratio of the malic acid to the ethylenediamine-N, N-succinic acid is 3: 1; the weight average molecular weight of the polyacrylamide is 600 kDa.
The preparation method of the disinfection composition has the specific steps as in example 1.
Example 5
A high-performance disinfection composition comprises, by weight, 6 parts of potassium monopersulfate, 76 parts of sodium-method calcium hypochlorite, 2 parts of iron salt, 5 parts of diatomite and RNx(OH)y(COOH)z8 parts of polyacrylamide, 3 parts of sodium tripolyphosphate and 2 parts of sodium tripolyphosphate.
Wherein the potassium monopersulfate is purchased from Yuan Shuo Fine Chemicals, Inc., Suzhou, where KHSO5The content is 42.8 percent, and the content of active oxygen is more than or equal to 4.5 percent; the sodium method calcium hypochlorite is purchased from a Xinxin chemical plant in Tianjin, and the effective chlorine content is 65-70%; the iron salt comprises ferrous sulfate and ferric trichloride, and the weight ratio of the ferrous sulfate to the ferric trichloride is 4: 1; the diatomite comprises 52 wt% of silicon dioxide, 10 wt% of aluminum oxide and 7 wt% of ferric trioxide, and the balance of organic matters and impurities, wherein the diatomite is purchased from Junlian diatomite Co., Ltd in Yixing city; the RNx(OH)y(COOH)zEthylene diamine-N, N-succinic acid and malic acid; the weight ratio of the malic acid to the ethylenediamine-N, N-succinic acid is 3: 1; the weight average molecular weight of the polyacrylamide is 600 kDa.
The preparation method of the disinfection composition has the specific steps as in example 1.
Example 6
A high-performance disinfection composition comprises, by weight, 6 parts of potassium monopersulfate, 76 parts of sodium-method calcium hypochlorite, 2 parts of iron salt, 5 parts of diatomite and RNx(OH)y(COOH)z4 parts of polyacrylamide, 3 parts of sodium tripolyphosphate and 2 parts of sodium tripolyphosphate.
Wherein the potassium monopersulfate is purchased from Yuan Shuo Fine Chemicals, Inc., Suzhou, where KHSO5The content is 42.8 percent, and the content of active oxygen is more than or equal to 4.5 percent; the sodium method calcium hypochlorite is purchased from Xinxin chemical plant in Tianjin city and contains available chlorineThe amount is 65-70%; the iron salt comprises ferrous sulfate and ferric trichloride, and the weight ratio of the ferrous sulfate to the ferric trichloride is 4: 1; the diatomite comprises 52 wt% of silicon dioxide, 10 wt% of aluminum oxide and 7 wt% of ferric trioxide, and the balance of organic matters and impurities, wherein the diatomite is purchased from Junlian diatomite Co., Ltd in Yixing city; the RNx(OH)y(COOH)zIs ethylenediamine-N, N-succinic acid; the weight average molecular weight of the polyacrylamide is 600 kDa.
The preparation method of the disinfection composition has the specific steps as in example 1.
Example 7
A high-performance disinfection composition comprises, by weight, 6 parts of potassium monopersulfate, 76 parts of sodium-method calcium hypochlorite, 2 parts of iron salt, 5 parts of diatomite and RNx(OH)y(COOH)z4 parts of polyacrylamide, 3 parts of sodium tripolyphosphate and 2 parts of sodium tripolyphosphate.
Wherein the potassium monopersulfate is purchased from Yuan Shuo Fine Chemicals, Inc., Suzhou, where KHSO5The content is 42.8 percent, and the content of active oxygen is more than or equal to 4.5 percent; the sodium method calcium hypochlorite is purchased from a Xinxin chemical plant in Tianjin, and the effective chlorine content is 65-70%; the iron salt comprises ferrous sulfate and ferric trichloride, and the weight ratio of the ferrous sulfate to the ferric trichloride is 4: 1; the diatomite comprises 52 wt% of silicon dioxide, 10 wt% of aluminum oxide and 7 wt% of ferric trioxide, and the balance of organic matters and impurities, wherein the diatomite is purchased from Junlian diatomite Co., Ltd in Yixing city; the RNx(OH)y(COOH)zIs malic acid; the weight average molecular weight of the polyacrylamide is 600 kDa.
The preparation method of the disinfection composition has the specific steps as in example 1.
Example 8
A high-performance disinfection composition comprises, by weight, 6 parts of potassium monopersulfate, 76 parts of sodium-method calcium hypochlorite, 2 parts of iron salt, 5 parts of diatomite and RNx(OH)y(COOH)z4 parts of polyacrylamide, 3 parts of sodium tripolyphosphate and 2 parts of sodium tripolyphosphate.
Wherein the potassium monopersulfatePurchased from Yuan Shuo Fine Chemicals, Inc., Suzhou, where KHSO5The content is 42.8 percent, and the content of active oxygen is more than or equal to 4.5 percent; the sodium method calcium hypochlorite is purchased from a Xinxin chemical plant in Tianjin, and the effective chlorine content is 65-70%; the iron salt comprises ferrous sulfate and ferric trichloride, and the weight ratio of the ferrous sulfate to the ferric trichloride is 4: 1; the diatomite comprises 52 wt% of silicon dioxide, 10 wt% of aluminum oxide and 7 wt% of ferric trioxide, and the balance of organic matters and impurities, wherein the diatomite is purchased from Junlian diatomite Co., Ltd in Yixing city; the RNx(OH)y(COOH)zEthylene diamine-N, N-succinic acid and citric acid; the weight ratio of the citric acid to the ethylenediamine-N, N-succinic acid is 3: 1; the weight average molecular weight of the polyacrylamide is 600 kDa.
The preparation method of the disinfection composition has the specific steps as in example 1.
Example 9
A high-performance disinfection composition is the same as the composition in example 1, and is different from the composition in that:
the preparation method of the disinfection composition comprises the following steps: (1) adding diatomite into water at 70 deg.C, stirring for 60min, adding polyacrylamide, stirring for 60min, and drying; (2) mixing the substance obtained in the step (1) with potassium monopersulfate, sodium-method calcium hypochlorite, iron salt and RNx(OH)y(COOH)zMixing to obtain the final product. Wherein the weight ratio of the diatomite to the water is 1: 3.
example 10
A disinfecting composition comprising the same ingredients as in example 1, except that the magnesium salt is magnesium chloride.
Example 11
A disinfecting composition comprising the same constituents as in example 1, except that the diatomaceous earth, which is commercially available from jungle diatomaceous earth ltd, of yixing city, contains 85 wt% of silica, 10 wt% of alumina, 4 wt% of ferric trioxide, and the balance of organic matter and impurities.
Example 12
A disinfecting composition was prepared in the same manner as in example 1 except thatPolyacrylamide, the preparation method of the disinfection composition comprises the following steps: (1) adding diatomite into magnesium sulfate water solution, stirring at 70 deg.C for 60min, and drying; (2) mixing the substance obtained in the step (1) with potassium monopersulfate, sodium-method calcium hypochlorite, iron salt and RNx(OH)y(COOH)zMixing to obtain the final product. Wherein the weight ratio of the diatomite to the magnesium sulfate aqueous solution is 1: 3, the mass fraction of the magnesium sulfate in the magnesium sulfate aqueous solution is 30%.
Performance testing
(1) Sterilization efficiency test with 6 × 108CFU/mL escherichia coli is used as a test bacterium, after the disinfection composition (the available chlorine is 3mg/L) acts for a certain time, the sterilization rate is detected, and if the sterilization rate reaches 100%, an equal amount of test bacterium is added for continuing the test; and (3) detecting the sterilization rate after 3 hours, wherein the sterilization rate is more than or equal to 88 percent and is evaluated as excellent, the sterilization rate is more than or equal to 75 percent and less than 88 percent and is evaluated as medium, and the sterilization rate is less than 75 percent and is evaluated as poor.
(2) Testing the content of available chlorine: the test is carried out according to the disinfection technical specification (2002 edition), the concentration of a sodium thiosulfate standard titration solution is 0.1179mol/L, the test temperature is 40 ℃, the relative humidity is 53%, and the reduction rate of the effective chlorine content is tested after the sodium thiosulfate standard titration solution is placed for 10 days and 90 days. Wherein, the effective chlorine content reduction rate is less than or equal to 2.5 percent and evaluated as excellent, the effective chlorine content reduction rate is more than 2.5 percent and less than or equal to 5 percent and evaluated as medium, and the effective chlorine content reduction rate is more than 5 percent and evaluated as poor.
TABLE 1 test results
Figure BDA0002552619240000101
Figure BDA0002552619240000111
After testing, the total number of bacteria, the number of coliform bacteria and the content of free residual chlorine in the indoor swimming pool after the disinfection composition described in example 1 is used for indoor swimming pools and disinfected meet the sanitary standard of swimming places.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may modify or change the technical content of the above disclosure into equivalent embodiments with equivalent changes, but all those simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the present invention.

Claims (10)

1. A disinfecting composition comprising potassium monopersulfate, sodium calcium hypochlorite, an iron salt, diatomaceous earth, RNx(OH)y(COOH)zPolyacrylamide; wherein x is 0-2, y is 0-2, z is 2-4, and R is alkyl.
2. The disinfectant composition according to claim 1, wherein said composition comprises, in parts by weight, 1 to 10 parts of potassium monopersulfate, 70 to 80 parts of sodium-based calcium hypochlorite, 1 to 10 parts of iron salt, 2 to 10 parts of diatomaceous earth, and RNx(OH)y(COOH)z2-10 parts of polyacrylamide and 2-5 parts of polyacrylamide; wherein x is 0-2, y is 0-2, z is 2-4, and R is alkyl.
3. The disinfecting composition of claim 2, wherein the components comprise, by weight, 6 parts of potassium monopersulfate, 76 parts of sodium-processed calcium hypochlorite, 2 parts of iron salt, 5 parts of diatomaceous earth, and RNx(OH)y(COOH)z4 parts of polyacrylamide; wherein x is 0-2, y is 0-2, z is 2-4, and R is alkyl.
4. A disinfecting composition as claimed in any one of claims 1 to 3, characterized in that the active oxygen content of the potassium monopersulfate is 4% or more.
5. A disinfecting composition as claimed in any one of claims 1 to 3, characterized in that said iron salt comprises a ferrous salt, a ferric salt.
6. The sanitizing composition according to claim 5 wherein the weight ratio of ferrous to ferric salts is (3-5): 1.
7. the sanitizing composition of claim 2 wherein said iron salt is in combination with RNx(OH)y(COOH)zThe weight ratio of (1): (1.5-2.5), wherein x is 0-2, y is 0-2, z is 2-4, and R is alkyl.
8. The disinfecting composition of claim 7, wherein the RNx(OH)y(COOH)zSelected from RN0(OH)1(COOH)2、RN2(OH)0(COOH)4、RN0(OH)2(COOH)2、RN0(OH)1(COOH)3R is an alkyl group.
9. The disinfecting composition of claim 8, wherein the RNx(OH)y(COOH)zIs RN0(OH)1(COOH)2And RN2(OH)0(COOH)4，RN0(OH)1(COOH)2And RN2(OH)0(COOH)4The weight ratio of (A) to (B) is 3: 1 and R is alkyl.
10. A process for the preparation of a disinfecting composition as claimed in any one of claims 1 to 9 which comprises mixing the components.
CN202010581919.XA 2020-06-23 2020-06-23 Disinfecting composition and preparation method thereof Withdrawn CN111771909A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113396927A (en) * 2021-06-03 2021-09-17 上海蓝宇水处理股份有限公司 Easily degradable disinfectant and preparation method thereof
CN113875774A (en) * 2021-11-17 2022-01-04 山东智景生物科技有限公司 Liquid disinfectant without chlorine and alcohol and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113396927A (en) * 2021-06-03 2021-09-17 上海蓝宇水处理股份有限公司 Easily degradable disinfectant and preparation method thereof
CN113875774A (en) * 2021-11-17 2022-01-04 山东智景生物科技有限公司 Liquid disinfectant without chlorine and alcohol and preparation method thereof

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