CN108739855A - A kind of mthod of white water from paper making fungicide and preparation method thereof - Google Patents
A kind of mthod of white water from paper making fungicide and preparation method thereof Download PDFInfo
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- CN108739855A CN108739855A CN201810568389.8A CN201810568389A CN108739855A CN 108739855 A CN108739855 A CN 108739855A CN 201810568389 A CN201810568389 A CN 201810568389A CN 108739855 A CN108739855 A CN 108739855A
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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
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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
- A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
- A01N33/02—Amines; Quaternary ammonium compounds
- A01N33/12—Quaternary ammonium compounds
-
- 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
- A01N47/00—Biocides, 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
- A01N47/40—Biocides, 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
- A01N47/42—Biocides, 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
- A01N47/44—Guanidine; Derivatives 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
- A01N59/16—Heavy metals; 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- 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
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Environmental Sciences (AREA)
- Plant Pathology (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Zoology (AREA)
- Inorganic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Paper (AREA)
Abstract
The invention discloses a kind of preparation methods of mthod of white water from paper making fungicide, belong to field of environment protection.200 ~ 250 parts of present invention water intaking, 30 ~ 50 parts of sodium hypochlorite, 15 ~ 25 parts of surfactant, 50 ~ 80 parts of polyhexamethylene guanide, 20 ~ 30 parts of auxiliary agent, 15 ~ 30 parts of modifying titanium dioxide；It is crushed after taking sodium hypochlorite, surfactant, polyhexamethylene guanide mixing, is sieved, obtains mixture A；Auxiliary agent, modifying titanium dioxide are taken, adds water stirring and dissolving, obtains mixed liquid B；Said mixture A is mixed with mixed liquid B, is heated, stirring and dissolving, fungicide is obtained after dry.The present invention solves the problems, such as that current paper grade (stock) Properties of Bactericides is unstable, sterilizing ability is weak.
Description
Technical field
The invention belongs to field of environment protection, and in particular to a kind of mthod of white water from paper making fungicide and preparation method thereof.
Background technology
With the management increased to paper industry enterprise waste discharge, wastewater zero discharge is that paper industry development is chased after
The target asked, it is desirable that paper waste must realize circulating and recovering.After paper machine white water system lock recycles, gluing object soluble in water
Accumulation and microorganism breeding, many negative effects, such as deteriorating water quality will be brought to wet end of machine and paper performance, generate
Foam, the chemicals such as sizing agent, retention agent can decline；Anionic trash accumulation sedimentation and microbial spoilage generate " corruption slurry ",
Mesh and woollen blanket are blocked, disconnected paper is caused and generates the paper defects such as slurry scar, hole, needs frequent shutdown cleaning etc..Therefore in papermaking
The growth that various fungicide etc. inhibit microorganism to be usually added in journey.
Currently, the oxidizing and non-oxidizable two major classes of well known papermaking bactericide.The sterilizing ability of oxidisability is very strong, non-
This series bactericidal agent of oxidisability type makes good use of plankton and biomembrane, it can not only limit and eliminate existing biology
Film, and the inside that can also penetrate into biomembrane reacts with the anaerobic type microorganism stayed in inside biomembrane.But it makes at present
Paper Properties of Bactericides is unstable, sterilizing ability is weak, therefore, produce a kind of fungicide that can be solved the above problems have it is very big
The market demand.
Invention content
The technical problems to be solved by the invention：It is unstable for current paper grade (stock) Properties of Bactericides, sterilizing ability is weak
Problem provides a kind of mthod of white water from paper making fungicide and preparation method thereof.
In order to solve the above technical problems, the present invention is using technical solution as described below：
A kind of mthod of white water from paper making fungicide, which is characterized in that count in parts by weight, including following component：Sodium hypochlorite 30 ~ 50
Part, 15 ~ 25 parts of surfactant, 50 ~ 80 parts of polyhexamethylene guanide, 20 ~ 30 parts of auxiliary agent, 15 ~ 30 parts of modifying titanium dioxide.
The surfactant is dodecyl dimethyl benzyl ammonium bromide, lauryl amine propionate, polysorbate are pressed
Mass ratio 5 ~ 8：3~5：1 ~ 3 allotment.
The polyhexamethylene guanide is hydrochloric polyhexamethylene list guanidine, polyhexamethylene biguanidine hydrochloride in mass ratio 1 ~ 3：2~
6 allotments.
The auxiliary agent is magnesium chloride, P-aminobenzene-sulfonamide in mass ratio 3 ~ 5：1 ~ 3 allotment.
The modifying titanium dioxide preparation method is：By titanium dioxide and absolute ethyl alcohol in mass ratio 2 ~ 5：60 ~ 80 are added
It is ultrasonic in container, then press titanium dioxide mass ratio 1 ~ 2：2~3：1.5 ~ 2.5 are added ferric acetyl acetonade, ferric trichloride, continue ultrasound,
Then by 70 DEG C of magnetic agitations of mixed liquor after ultrasound, mixed liquor is obtained, then room temperature magnetic agitation makes mixed solution stablize, then
Centrifugation removes supernatant after the isometric absolute ethyl alcohol of mixed liquor is added, dry, obtains modifying titanium dioxide.
A kind of preparation method of mthod of white water from paper making fungicide is：
（1）It counts in parts by weight, 200 ~ 250 parts of water intaking, 30 ~ 50 parts of sodium hypochlorite, 15 ~ 25 parts of surfactant, poly- six methylene
50 ~ 80 parts of base guanidine, 20 ~ 30 parts of auxiliary agent, 15 ~ 30 parts of modifying titanium dioxide；
（2）It is crushed after taking sodium hypochlorite, surfactant, polyhexamethylene guanide mixing, is sieved, obtains mixture A；It takes auxiliary agent, change
Property titanium dioxide, adds water stirring and dissolving, obtains mixed liquid B；
（3）Said mixture A is mixed with mixed liquid B, is heated, stirring and dissolving, fungicide is obtained after dry.
Compared with other methods, advantageous effects are the present invention：
（1）Surfactant used in the present invention, is allocated according to fixed proportion, each component can be made to give full play to effectiveness, wherein ten
Dialkyl dimethyl Benzylphosphonium Bromide ammonium for circulation control of microorganisms and when cleaning, due to bromine atom generation in molecule
Chlorine atom is replaced, bactericidal performance is than 1227（Dodecyl dimethyl Benzylmagnesium chloride amine）It is more stronger, it can be effective after coming into operation
It is scattered in water body, bactericidal property is stablized；
（2）The modifying titanium dioxide that the present invention uses is modified titanium dioxide using ferric ion, has properly increased two
The light absorpting ability of titanium oxide, and its dispersibility in aqueous solution is enhanced, effective cleaning circulation water system is enabled the invention to,
Sterilizing ability significantly improves.
Specific implementation mode
Surfactant is dodecyl dimethyl benzyl ammonium bromide, lauryl amine propionate, polysorbate by quality
Than 5 ~ 8：3~5：1 ~ 3 allotment；
Polyhexamethylene guanide is hydrochloric polyhexamethylene list guanidine, polyhexamethylene biguanidine hydrochloride in mass ratio 1 ~ 3：2 ~ 6 allotments；
Auxiliary agent is magnesium chloride, P-aminobenzene-sulfonamide in mass ratio 3 ~ 5：1 ~ 3 allotment；
Modifying titanium dioxide preparation method is：By titanium dioxide and absolute ethyl alcohol in mass ratio 2 ~ 5：60 ~ 80 be added to the container it is super
Sound 12h, then press titanium dioxide mass ratio 1 ~ 2：2~3：1.5 ~ 2.5 are added ferric acetyl acetonade, ferric trichloride, continue ultrasound 6h, connect
It 70 DEG C of magnetic agitation 2h of mixed liquor after ultrasound, obtains mixed liquor, then room temperature magnetic agitation 1h so that mixed solution is steady
It is fixed, centrifugation removal supernatant after the isometric absolute ethyl alcohol of mixed liquor is added, it is dry, obtain modifying titanium dioxide.
A kind of mthod of white water from paper making is with fungicide preparation method：
（1）It counts in parts by weight, 200 ~ 250 parts of water intaking, 30 ~ 50 parts of sodium hypochlorite, 15 ~ 25 parts of surfactant, poly- six methylene
50 ~ 80 parts of base guanidine, 20 ~ 30 parts of auxiliary agent, 15 ~ 30 parts of modifying titanium dioxide；
（2）Input pulverizer crushes after taking sodium hypochlorite, surfactant, polyhexamethylene guanide mixing, crosses 200 mesh sieve, collects
Be sieved particle, obtains mixture A；Auxiliary agent, modifying titanium dioxide are taken, adds water stirring 0.5h dissolvings, obtains mixed liquid B；
（3）Said mixture A is mixed with mixed liquid B, in 60 ~ 80 DEG C of heating, stirring 10min dissolvings must kill after cooling drying
Microbial inoculum.
A kind of mthod of white water from paper making is with fungicide preparation method：
Surfactant is dodecyl dimethyl benzyl ammonium bromide, lauryl amine propionate, polysorbate in mass ratio 5：
3：1 allotment；
Polyhexamethylene guanide is hydrochloric polyhexamethylene list guanidine, polyhexamethylene biguanidine hydrochloride in mass ratio 1：2 allotments；
Auxiliary agent is magnesium chloride, P-aminobenzene-sulfonamide in mass ratio 3：1 allotment；
Modifying titanium dioxide preparation method is：By titanium dioxide and absolute ethyl alcohol in mass ratio 2：60 are added to the container ultrasonic 12h,
Titanium dioxide mass ratio 1 is pressed again：2：1.5 are added ferric acetyl acetonade, ferric trichloride, continue ultrasound 6h, then will be mixed after ultrasound
70 DEG C of magnetic agitation 2h of liquid are closed, obtain mixed liquor, then room temperature magnetic agitation 1h so that mixed solution is stablized, and mixed liquor is added
Centrifugation removal supernatant, dry after isometric absolute ethyl alcohol, obtains modifying titanium dioxide.
Count in parts by weight, water intaking 200 parts, 30 parts of sodium hypochlorite, 15 parts of surfactant, 50 parts of polyhexamethylene guanide,
20 parts of auxiliary agent, 15 parts of modifying titanium dioxide；
（1）Input pulverizer crushes after taking sodium hypochlorite, surfactant, polyhexamethylene guanide mixing, crosses 200 mesh sieve, collects
Be sieved particle, obtains mixture A；Auxiliary agent, modifying titanium dioxide are taken, adds water stirring 0.5h dissolvings, obtains mixed liquid B；
（2）Said mixture A is mixed with mixed liquid B, in 60 DEG C of heating, stirring 10min dissolvings must sterilize after cooling drying
Agent.
A kind of mthod of white water from paper making is with fungicide preparation method：
Surfactant is dodecyl dimethyl benzyl ammonium bromide, lauryl amine propionate, polysorbate in mass ratio 8：
5：3 allotments；
Polyhexamethylene guanide is hydrochloric polyhexamethylene list guanidine, polyhexamethylene biguanidine hydrochloride in mass ratio 3：6 allotments；
Auxiliary agent is magnesium chloride, P-aminobenzene-sulfonamide in mass ratio 5：3 allotments；
Modifying titanium dioxide preparation method is：By titanium dioxide and absolute ethyl alcohol in mass ratio 5：80 are added to the container ultrasonic 12h,
Titanium dioxide mass ratio 2 is pressed again：3：2.5 are added ferric acetyl acetonade, ferric trichloride, continue ultrasound 6h, then will be mixed after ultrasound
70 DEG C of magnetic agitation 2h of liquid are closed, obtain mixed liquor, then room temperature magnetic agitation 1h so that mixed solution is stablized, and mixed liquor is added
Centrifugation removal supernatant, dry after isometric absolute ethyl alcohol, obtains modifying titanium dioxide.
Count in parts by weight, water intaking 250 parts, 50 parts of sodium hypochlorite, 25 parts of surfactant, 80 parts of polyhexamethylene guanide,
30 parts of auxiliary agent, 30 parts of modifying titanium dioxide；
（1）Input pulverizer crushes after taking sodium hypochlorite, surfactant, polyhexamethylene guanide mixing, crosses 200 mesh sieve, collects
Be sieved particle, obtains mixture A；Auxiliary agent, modifying titanium dioxide are taken, adds water stirring 0.5h dissolvings, obtains mixed liquid B；
（2）Said mixture A is mixed with mixed liquid B, in 80 DEG C of heating, stirring 10min dissolvings must sterilize after cooling drying
Agent.
A kind of mthod of white water from paper making is with fungicide preparation method：
Surfactant is dodecyl dimethyl benzyl ammonium bromide, lauryl amine propionate, polysorbate in mass ratio 6：
4：2 allotments；
Polyhexamethylene guanide is hydrochloric polyhexamethylene list guanidine, polyhexamethylene biguanidine hydrochloride in mass ratio 2：4 allotments；
Auxiliary agent is magnesium chloride, P-aminobenzene-sulfonamide in mass ratio 4：2 allotments；
Modifying titanium dioxide preparation method is：By titanium dioxide and absolute ethyl alcohol in mass ratio 3：70 are added to the container ultrasonic 12h,
Titanium dioxide mass ratio 1 is pressed again：3：2 are added ferric acetyl acetonade, ferric trichloride, continue ultrasound 6h, then by the mixing after ultrasound
70 DEG C of magnetic agitation 2h of liquid, obtain mixed liquor, then room temperature magnetic agitation 1h so that mixed solution is stablized, and mixed liquor etc. is added
Centrifugation removal supernatant, dry after volume absolute ethyl alcohol, obtains modifying titanium dioxide.
Count in parts by weight, water intaking 225 parts, 40 parts of sodium hypochlorite, 20 parts of surfactant, 65 parts of polyhexamethylene guanide,
25 parts of auxiliary agent, 22 parts of modifying titanium dioxide；
（1）Input pulverizer crushes after taking sodium hypochlorite, surfactant, polyhexamethylene guanide mixing, crosses 200 mesh sieve, collects
Be sieved particle, obtains mixture A；Auxiliary agent, modifying titanium dioxide are taken, adds water stirring 0.5h dissolvings, obtains mixed liquid B；
（2）Said mixture A is mixed with mixed liquid B, in 70 DEG C of heating, stirring 10min dissolvings must sterilize after cooling drying
Agent.
Comparative example 1：It is essentially identical with the preparation method of embodiment 2, it has only the difference is that lacking surfactant.
Comparative example 2：It is essentially identical with the preparation method of embodiment 2, it has only the difference is that lacking modifying titanium dioxide.
Comparative example 3：The fungicide of Guangzhou company production.
Above-described embodiment and the fungicide of comparative example respectively test mthod of white water from paper making, testing result such as table 1.
Table 1：
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 | Comparative example 2 | Comparative example 3 |
| Restraining and sterilizing bacteria rate（%） | 98.6 | 98.7 | 98.4 | 98.2 | 90.5 | 56.3~62.1 |
| The antibacterial time（It） | 25 | 27 | 27 | 27 | 21 | 6~7 |
| COD removal efficiencies（%） | 97.4 | 98.5 | 98.1 | 97.6 | 94.5 | 81.2~83.6 |
| BOD removal efficiencies（%） | 97.2 | 98.1 | 96.4 | 96.6 | 89.7 | 63.1~65.8 |
In summary, fungicide of the invention is more preferable compared to commercial product effect, and comprehensive performance more preferably, is worth of widely use.
Claims (6)
1. a kind of mthod of white water from paper making fungicide, which is characterized in that count in parts by weight, including following component：Sodium hypochlorite 30 ~ 50
Part, 15 ~ 25 parts of surfactant, 50 ~ 80 parts of polyhexamethylene guanide, 20 ~ 30 parts of auxiliary agent, 15 ~ 30 parts of modifying titanium dioxide.
2. a kind of mthod of white water from paper making fungicide according to claim 1, which is characterized in that the surfactant is 12
Alkyl dimethyl benzyl ammonium bromide, lauryl amine propionate, polysorbate in mass ratio 5 ~ 8：3~5：1 ~ 3 allotment.
3. a kind of mthod of white water from paper making fungicide according to claim 1, which is characterized in that the polyhexamethylene guanide is salt
Sour polyhexamethylene list guanidine, polyhexamethylene biguanidine hydrochloride in mass ratio 1 ~ 3：2 ~ 6 allotments.
4. a kind of mthod of white water from paper making fungicide according to claim 1, which is characterized in that the auxiliary agent is magnesium chloride, right
Aminobenzene sulfonamide in mass ratio 3 ~ 5：1 ~ 3 allotment.
5. a kind of mthod of white water from paper making fungicide according to claim 1, which is characterized in that prepared by the modifying titanium dioxide
Method is：By titanium dioxide and absolute ethyl alcohol in mass ratio 2 ~ 5：60 ~ 80 are added to the container ultrasound, then press titanium dioxide mass ratio
1~2：2~3：1.5 ~ 2.5 are added ferric acetyl acetonade, ferric trichloride, continue ultrasound, then by 70 DEG C of magnetic force of mixed liquor after ultrasound
Stirring, obtains mixed liquor, and then room temperature magnetic agitation makes mixed solution stablize, add after the isometric absolute ethyl alcohol of mixed liquor from
The heart removes supernatant, dry, obtains modifying titanium dioxide.
6. a kind of preparation method of mthod of white water from paper making fungicide as described in claim 1 ~ 5 any one, which is characterized in that should
Preparation method is：
（1）It counts in parts by weight, 200 ~ 250 parts of water intaking, 30 ~ 50 parts of sodium hypochlorite, 15 ~ 25 parts of surfactant, poly- six methylene
50 ~ 80 parts of base guanidine, 20 ~ 30 parts of auxiliary agent, 15 ~ 30 parts of modifying titanium dioxide；
（2）It is crushed after taking sodium hypochlorite, surfactant, polyhexamethylene guanide mixing, is sieved, obtains mixture A；It takes auxiliary agent, change
Property titanium dioxide, adds water stirring and dissolving, obtains mixed liquid B；
（3）Said mixture A is mixed with mixed liquid B, is heated, stirring and dissolving, fungicide is obtained after dry.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109907069A (en) * | 2019-03-25 | 2019-06-21 | 天津市郁峰化工有限公司 | A kind of hypochlorous acid thimerosal and preparation method thereof |
| CN110915809A (en) * | 2019-12-05 | 2020-03-27 | 吉林师范大学 | Preparation method of disinfectant capable of killing brucella |
| CN111296496A (en) * | 2020-04-16 | 2020-06-19 | 山东九合微盛生物科技有限公司 | Disinfectant for farm, preparation method and application |
| CN111675294A (en) * | 2020-06-05 | 2020-09-18 | 沈小燕 | Degradable bactericide for sewage |
| CN113907087A (en) * | 2021-11-16 | 2022-01-11 | 常州市武进盛源化工有限公司 | Bactericide for water injection treatment |
| CN113951275A (en) * | 2021-10-28 | 2022-01-21 | 湖北真诚纸业有限公司 | Novel bactericide for papermaking |
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| CN103478164A (en) * | 2013-09-04 | 2014-01-01 | 中国石油化工股份有限公司 | Oil field sewage bactericide and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109907069A (en) * | 2019-03-25 | 2019-06-21 | 天津市郁峰化工有限公司 | A kind of hypochlorous acid thimerosal and preparation method thereof |
| CN110915809A (en) * | 2019-12-05 | 2020-03-27 | 吉林师范大学 | Preparation method of disinfectant capable of killing brucella |
| CN111296496A (en) * | 2020-04-16 | 2020-06-19 | 山东九合微盛生物科技有限公司 | Disinfectant for farm, preparation method and application |
| CN111675294A (en) * | 2020-06-05 | 2020-09-18 | 沈小燕 | Degradable bactericide for sewage |
| CN113951275A (en) * | 2021-10-28 | 2022-01-21 | 湖北真诚纸业有限公司 | Novel bactericide for papermaking |
| CN113907087A (en) * | 2021-11-16 | 2022-01-11 | 常州市武进盛源化工有限公司 | Bactericide for water injection treatment |
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Application publication date: 20181106 |