CN106629899A - Water purifying and disinfection effervescent tablets and preparation method thereof - Google Patents

Water purifying and disinfection effervescent tablets and preparation method thereof Download PDF

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Publication number
CN106629899A
CN106629899A CN201611112606.XA CN201611112606A CN106629899A CN 106629899 A CN106629899 A CN 106629899A CN 201611112606 A CN201611112606 A CN 201611112606A CN 106629899 A CN106629899 A CN 106629899A
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CN
China
Prior art keywords
parts
preparation
water purifying
polyvinylpyrrolidone
food
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Pending
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CN201611112606.XA
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Chinese (zh)
Inventor
戚炎月
丘泰西
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Qinzhou Hi Tech Industry Service Center
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Qinzhou Hi Tech Industry Service Center
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Priority to CN201611112606.XA priority Critical patent/CN106629899A/en
Publication of CN106629899A publication Critical patent/CN106629899A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N37/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/36Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/14Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
    • A01N43/16Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/36Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N47/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/40Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides
    • A01N47/42Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides containing —N=CX2 groups, e.g. isothiourea
    • A01N47/44Guanidine; Derivatives thereof
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N59/00Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N59/00Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/02Sulfur; Selenium; Tellurium; Compounds thereof
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N59/00Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/08Alkali metal chlorides; Alkaline earth metal chlorides
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/50Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56Macromolecular compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/02Odour removal or prevention of malodour
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/04Disinfection
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/22Eliminating or preventing deposits, scale removal, scale prevention

Abstract

The invention discloses water purifying and disinfection effervescent tablets and a preparation method thereof. The water purifying and disinfection effervescent tablets contain the following components in parts by mass: 4-6 parts of chlorine dioxide powder, 1-3 parts of sodium chloride, 4-6 parts of sodium pyrosulfate, 4-6 parts of food-grade chitosan, 3-5 parts of citric acid, 5-7 parts of NaHCO3, 4-6 parts of polyvinylpyrrolidone, 5-7 parts of sesame oil, 4-8 parts of ethanol solution, 1-3 parts of catalyst, 3-5 parts of active halogen preparation, 2-4 parts of polyhexamethylene biguanidine and 0.8-1 part of flavoring agent. The purifying agent disclosed by the invention has the advantages of simplicity in preparation technology, low cost and good purifying effect and is suitable for disinfecting the drinking water for military personnel, field workers, tourists and residents in regions without tap water and the industrial drinking water.

Description

A kind of water purifying and disinfection effervescent tablet and preparation method thereof
Technical field
The present invention relates to effervescent tablet field, in particular to a kind of water purifying and disinfection effervescent tablet and preparation method thereof.
Background technology
The Drinking Water Problem in outdoor field is solved, is the larger problem of a difficulty, it is not disposable because water quality is complicated.Portion Team perform field service when, although have a large amount of fresh water in rivers lake, but due to water body in a large amount of microorganisms and malignant bacteria And cannot directly drink.In the waterlogging-resistant disaster relief, because water body is contaminated, army and masses suffering from disaster cannot drink clean water.Have A little people there occurs the enteric infectious diseases such as dysentery due to having drunk contaminated water source.So, Natural Water is processed in the wild Drinkable water mainly has three aspects:One is sterilization;Two is to remove a large amount of solid impurities precipitation;Three is to remove stink.
But, now water purification tablet on the market and does not notice that a large amount of solid impurities are processed just for the sterilization at water source, because It is tiny for a large amount of solid impurity particulates, in being suspended in water, stood by long-time or simple filtration cannot be removed at all, cause Jing Aqueous suspension after water purification tablet is disinfected is excessive, there is stink, not suitable for drinking.
The content of the invention
The invention provides a kind of water purifying and disinfection effervescent tablet and preparation method thereof, cleanser manufacture craft letter of the invention List, low cost, good purification, be suitable for army personnel, field work personnel, travel staff and without running water Area Inhabitants with And the sterilization of industrial drinking water is used.
For achieving the above object, the present invention provides following technical scheme:
A kind of water purifying and disinfection effervescent tablet and preparation method thereof, is made up of following mass fraction formula components:Chlorine dioxide Pulvis 4-6 parts, sodium chloride 1-3 parts, sodium pyrosulfate 4-6 parts, food-grade shitosan 4-6 parts, citric acid 3-5 parts, NaHCO35-7 Part, polyvinylpyrrolidone 4-6 parts, sesame oil 5-7 parts, ethanol solution 4-8 parts, catalyst 1-3 parts, active halogen preparation 3-5 parts, general Poly hexamethylene biguanide 2-4 parts, flavouring agent 0.8-1 parts.
Further:It is made up of following mass fraction formula components:4 parts of chlorine dioxide powder, 1 part of sodium chloride, sodium pyrosulfate 4 Part, 4 parts of food-grade shitosan, 3 parts of citric acid, NaHCO35 parts, 4 parts of polyvinylpyrrolidone, 5 parts of sesame oil, 4 parts of ethanol solution, 1 part of catalyst, 3 parts of active halogen preparation, by 2 parts of poly hexamethylene biguanide, 0.8 part of flavouring agent.
Further:It is made up of following mass fraction formula components:5 parts of chlorine dioxide powder, 2 parts of sodium chloride, sodium pyrosulfate 5 Part, 5 parts of food-grade shitosan, 4 parts of citric acid, NaHCO36 parts, 5 parts of polyvinylpyrrolidone, 6 parts of sesame oil, 6 parts of ethanol solution, 2 parts of catalyst, 4 parts of active halogen preparation, by 3 parts of poly hexamethylene biguanide, 0.9 part of flavouring agent.
Further:It is made up of following mass fraction formula components:6 parts of chlorine dioxide powder, 3 parts of sodium chloride, sodium pyrosulfate 6 Part, 6 parts of food-grade shitosan, 5 parts of citric acid, NaHCO37 parts, 6 parts of polyvinylpyrrolidone, 7 parts of sesame oil, 8 parts of ethanol solution, 3 parts of catalyst, 5 parts of active halogen preparation, by 4 parts of poly hexamethylene biguanide, 1 part of flavouring agent.
Further:Preparation method of the present invention has following steps:
Step one, raw material is allocated in proportion standby;
Step 2, above-mentioned material is mixed after, immersion, spontaneous fermentation 8-10 days under the conditions of 37 DEG C in fermentation is filled;
Step 3, addition surplus stock are then heated to 100 DEG C, are kept for 30-40 minutes at 100 DEG C, then carry out carbon filter;Carbon Solution after filter, only matches somebody with somebody slabbing, then filling, obtains final product.
The invention has the beneficial effects as follows:
1st, the of the invention cleanser manufacture craft is simple, low cost, good purification;
2nd, it is suitable for army personnel, field work personnel, travel staff and drinks without running water Area Inhabitants and industry The sterilization of water is used.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, Obviously, described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Based in the present invention Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all Belong to the scope of protection of the invention.
Embodiment one:
A kind of water purifying and disinfection effervescent tablet is made up of following mass fraction formula components:Chlorine dioxide powder 4-6 parts, chlorination Sodium 1-3 parts, sodium pyrosulfate 4-6 parts, food-grade shitosan 4-6 parts, citric acid 3-5 parts, NaHCO35-7 parts, polyvinylpyrrolidine Ketone 4-6 parts, sesame oil 5-7 parts, ethanol solution 4-8 parts, catalyst 1-3 parts, active halogen preparation 3-5 parts, by poly hexamethylene biguanide 2-4 parts, flavouring agent 0.8-1 parts.
Embodiment two:
A kind of water purifying and disinfection effervescent tablet is made up of following mass fraction formula components:4 parts of chlorine dioxide powder, sodium chloride 1 part, 4 parts of sodium pyrosulfate, 4 parts of food-grade shitosan, 3 parts of citric acid, NaHCO35 parts, 4 parts of polyvinylpyrrolidone, sesame oil 5 Part, 4 parts of ethanol solution, 1 part of catalyst, 3 parts of active halogen preparation, by 2 parts of poly hexamethylene biguanide, 0.8 part of flavouring agent.
Embodiment three:
A kind of water purifying and disinfection effervescent tablet is made up of following mass fraction formula components:5 parts of chlorine dioxide powder, sodium chloride 2 parts, 5 parts of sodium pyrosulfate, 5 parts of food-grade shitosan, 4 parts of citric acid, NaHCO36 parts, 5 parts of polyvinylpyrrolidone, sesame oil 6 Part, 6 parts of ethanol solution, 2 parts of catalyst, 4 parts of active halogen preparation, by 3 parts of poly hexamethylene biguanide, 0.9 part of flavouring agent.
Example IV:
A kind of water purifying and disinfection effervescent tablet is made up of following mass fraction formula components:6 parts of chlorine dioxide powder, sodium chloride 3 parts, 6 parts of sodium pyrosulfate, 6 parts of food-grade shitosan, 5 parts of citric acid, NaHCO37 parts, 6 parts of polyvinylpyrrolidone, sesame oil 7 Part, 8 parts of ethanol solution, 3 parts of catalyst, 5 parts of active halogen preparation, by 4 parts of poly hexamethylene biguanide, 1 part of flavouring agent.
Embodiment five:
A kind of preparation method preparation method of water purifying and disinfection effervescent tablet comprises the steps:
Step one, raw material is allocated in proportion standby;
Step 2, above-mentioned material is mixed after, immersion, spontaneous fermentation 8-10 days under the conditions of 37 DEG C in fermentation is filled;
Step 3, addition surplus stock are then heated to 100 DEG C, are kept for 30-40 minutes at 100 DEG C, then carry out carbon filter;Carbon Solution after filter, only matches somebody with somebody slabbing, then filling, obtains final product.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that for clarity those skilled in the art should Using specification as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art Understandable other embodiment.

Claims (5)

1. a kind of water purifying and disinfection effervescent tablet, it is characterised in that:It is made up of following mass fraction formula components:
Chlorine dioxide powder 4-6 parts, sodium chloride 1-3 parts, sodium pyrosulfate 4-6 parts, food-grade shitosan 4-6 parts, citric acid 3-5 Part, NaHCO35-7 parts, polyvinylpyrrolidone 4-6 parts, sesame oil 5-7 parts, ethanol solution 4-8 parts, catalyst 1-3 parts, active halogen Preparation 3-5 parts, by poly hexamethylene biguanide 2-4 parts, flavouring agent 0.8-1 parts.
2. a kind of water purifying and disinfection effervescent tablet according to claim 1, it is characterised in that:Filled a prescription into by following mass fraction It is grouped into:
4 parts of chlorine dioxide powder, 1 part of sodium chloride, 4 parts of sodium pyrosulfate, 4 parts of food-grade shitosan, 3 parts of citric acid, NaHCO35 Part, 4 parts of polyvinylpyrrolidone, 5 parts of sesame oil, 4 parts of ethanol solution, 1 part of catalyst, 3 parts of active halogen preparation, by polyhexamethylene 2 parts of biguanides, 0.8 part of flavouring agent.
3. a kind of water purifying and disinfection effervescent tablet according to claim 1, it is characterised in that:Filled a prescription into by following mass fraction It is grouped into:
5 parts of chlorine dioxide powder, 2 parts of sodium chloride, 5 parts of sodium pyrosulfate, 5 parts of food-grade shitosan, 4 parts of citric acid, NaHCO36 Part, 5 parts of polyvinylpyrrolidone, 6 parts of sesame oil, 6 parts of ethanol solution, 2 parts of catalyst, 4 parts of active halogen preparation, by polyhexamethylene 3 parts of biguanides, 0.9 part of flavouring agent.
4. a kind of water purifying and disinfection effervescent tablet according to claim 1, it is characterised in that:Filled a prescription into by following mass fraction It is grouped into:
6 parts of chlorine dioxide powder, 3 parts of sodium chloride, 6 parts of sodium pyrosulfate, 6 parts of food-grade shitosan, 5 parts of citric acid, NaHCO37 Part, 6 parts of polyvinylpyrrolidone, 7 parts of sesame oil, 8 parts of ethanol solution, 3 parts of catalyst, 5 parts of active halogen preparation, by polyhexamethylene 4 parts of biguanides, 1 part of flavouring agent.
5. a kind of a kind of preparation method of water purifying and disinfection effervescent tablet according to claim 1, it is characterised in that:Including such as Lower step:
Step one, raw material is allocated in proportion standby;
Step 2, above-mentioned material is mixed after, immersion, spontaneous fermentation 8-10 days under the conditions of 37 DEG C in fermentation is filled;
Step 3, addition surplus stock are then heated to 100 DEG C, are kept for 30-40 minutes at 100 DEG C, then carry out carbon filter;After carbon filter Solution, only match somebody with somebody slabbing, it is then filling, obtain final product.
CN201611112606.XA 2016-12-06 2016-12-06 Water purifying and disinfection effervescent tablets and preparation method thereof Pending CN106629899A (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107857348A (en) * 2017-11-24 2018-03-30 桂林市雁山区青少年活动中心 A kind of composite water purifying effervescent tablet and preparation method thereof
CN107913303A (en) * 2017-12-01 2018-04-17 河北科技大学 A kind of compound poly hexamethylene biguanide effervescent tablet and preparation method and application
CN107954506A (en) * 2017-11-24 2018-04-24 桂林市雁山区青少年活动中心 A kind of water purification effervescent tablet and preparation method thereof
CN110538158A (en) * 2019-09-10 2019-12-06 郑州百瑞动物药业有限公司 Long-acting slow-release double-layer sheet disinfectant for aquatic products and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1478397A (en) * 2003-07-03 2004-03-03 惠州兆婷化妆品有限公司 Formulatioin of disinfecting liquid
CN101785480A (en) * 2010-03-15 2010-07-28 成都润兴消毒药业有限公司 Water purifying and sterilizing disinfectant
CN105906005A (en) * 2016-07-05 2016-08-31 山东建筑大学 Compound effervescent tablets for water purification and disinfection and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1478397A (en) * 2003-07-03 2004-03-03 惠州兆婷化妆品有限公司 Formulatioin of disinfecting liquid
CN101785480A (en) * 2010-03-15 2010-07-28 成都润兴消毒药业有限公司 Water purifying and sterilizing disinfectant
CN105906005A (en) * 2016-07-05 2016-08-31 山东建筑大学 Compound effervescent tablets for water purification and disinfection and preparation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107857348A (en) * 2017-11-24 2018-03-30 桂林市雁山区青少年活动中心 A kind of composite water purifying effervescent tablet and preparation method thereof
CN107954506A (en) * 2017-11-24 2018-04-24 桂林市雁山区青少年活动中心 A kind of water purification effervescent tablet and preparation method thereof
CN107913303A (en) * 2017-12-01 2018-04-17 河北科技大学 A kind of compound poly hexamethylene biguanide effervescent tablet and preparation method and application
CN110538158A (en) * 2019-09-10 2019-12-06 郑州百瑞动物药业有限公司 Long-acting slow-release double-layer sheet disinfectant for aquatic products and preparation method thereof

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