CN109042726A - A kind of drinking water disinfection powder and preparation method thereof, application method - Google Patents
A kind of drinking water disinfection powder and preparation method thereof, application method Download PDFInfo
- Publication number
- CN109042726A CN109042726A CN201811048316.2A CN201811048316A CN109042726A CN 109042726 A CN109042726 A CN 109042726A CN 201811048316 A CN201811048316 A CN 201811048316A CN 109042726 A CN109042726 A CN 109042726A
- Authority
- CN
- China
- Prior art keywords
- drinking water
- auxiliary element
- powder
- disinfection
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Inorganic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses a kind of drinking water disinfection powder and preparation method thereof, application method, belong to water sterilization technical field.Drinking water disinfection powder of the invention, comprising: by weight percentage, potassium hydrogen persulfate composite salts 5-80%, calcium hypochlorite 5-90% and auxiliary element 5-30%；Wherein, the auxiliary element in sodium citrate, sodium tripolyphosphate, calgon, citric acid and sodium metasilicate at least two.The present invention is using potassium hydrogen persulfate composite salts and calcium hypochlorite as disinfectant powder main component, at least two be equipped in sodium citrate, sodium tripolyphosphate, calgon, citric acid and sodium metasilicate again are combined as auxiliary element, overcome the problem that existing Disinfection Processes in Drinking Water Treatment disinfection by-products is more, Disinfection Effect is poor, disinfecting steps are complicated and disinfection cost is high.
Description
Technical field
The present invention relates to water sterilization technical fields, and in particular to a kind of drinking water disinfection powder and preparation method thereof, user
Method.
Background technique
With social development, water pollution is got worse, and population is continuously increased, water resource lack become one it is increasingly serious
Problem.Disinfection eliminates a variety of diseases for threatening human life, such as cholera, typhoid fever, subtracts as the important link in water process
The morbidity and mortality of these diseases are lacked.The chlorine-containing disinfectants such as liquid chlorine, hypochlorite have sterilizing ability strong, and price is low
Etc. advantages, by it is many country for drinking water, municipal wastewater and regeneration water sterilization.But chlorination generates a variety of disinfection by-products
Object, transport are stored, in use process, and there are greater risks.
Disinfection by-products is generated in disinfecting process in order to eliminate or reduce, people have studied a variety of disinfection technologies such as: pre- oxygen
Change, chlorine ammonia, chlorine dioxide, ozone, disinfection by ultraviolet light etc., but in the research to above-mentioned sterilization method, finds these methods all
It has some limitations, for example, liquid chlorine security of system is not high, chlorine ammonia Disinfection Effect is poor, and chlorine dioxide plant operation is multiple
Miscellaneous, ozone operating cost is higher, and ultraviolet-sterilization is without duration.Therefore, the exploitation to new disinfectant, sterilization method in recent years and
Research becomes hot spot.
Summary of the invention
The object of the present invention is to provide a kind of drinking water disinfection powder and preparation method thereof, application method, to solve existing drink
With the problem that water sterilizing technology disinfection by-products is more, Disinfection Effect is poor, disinfecting steps are complicated and disinfection cost is high.
The technical scheme to solve the above technical problems is that
A kind of drinking water disinfection powder, comprising: by weight percentage, potassium hydrogen persulfate composite salts 5-80%, hypochlorous acid
Calcium 5-90% and auxiliary element 5-30%；Wherein, the auxiliary element be selected from sodium citrate, sodium tripolyphosphate, calgon,
At least two in citric acid and sodium metasilicate.
The present invention using potassium hydrogen persulfate composite salts and calcium hypochlorite as disinfectant powder main component, then be equipped with sodium citrate,
At least two in sodium tripolyphosphate, calgon, citric acid and sodium metasilicate are combined as auxiliary element, overcome
The problem that existing Disinfection Processes in Drinking Water Treatment disinfection by-products is more, Disinfection Effect is poor, disinfecting steps are complicated and disinfection cost is high.
The present invention selects potassium hydrogen persulfate composite salts as one of main component, Disinfect mechanism are as follows: works as permonosulphuric acid
After hydrogen potassium complex salt is dissolved in water, effective component potassium hydrogen persulfate generates persulfuric acid hydrogen radical, and then, persulfuric acid hydrogen radical, which is decomposed, to be generated newly
Ecological oxygen [O]；Persulfuric acid hydrogen radical, nascent oxygen [O] can be caused it to lose its activity by the sulfhydryl oxidase on bacterial enzyme at disulfide group；
Also can the protein oxidation of microorganism be made its denaturation simultaneously, be solidified until death, and then achieve the purpose that disinfection and sterilization.?
In aqueous solution, following chemical process occurs:
2KHSO5.KHSO4.K2SO4——HSO4 -+SO4 2-+5K++2HSO5 -
HSO4 -+SO4 2-+5K++2HSO5 -——2HSO4 -+2[O]
The present invention selects calcium hypochlorite as another main component, Disinfect mechanism are as follows: calcium hypochlorite generates after being dissolved in water
Hypochlorite [ClO-], part hypochlorite and water effect generate (HClO), and part hypochlorous acid, which decomposes, generates nascent oxygen [O],
The protein of oxidizing microorganisms, chlorination bacterium, are denaturalized bacterium protein, to kill bacterium.In aqueous solution, occur as follows
Chemical process:
Ca(ClO)2——2ClO-+Ca2+
2ClO-+H2O——2HClO+2OH-
HClO——HCl+[O]
Potassium hydrogen persulfate oxidation-reduction potential 1.66V, hypochlorite oxidation-reduction potential 0.89V.Potassium hydrogen persulfate oxidation
Ability, sterilizing power are stronger than hypochlorite, but property is more active, and stability is slightly worse, hypochlorite in aqueous solution stability compared with
It is good.Therefore, the present invention selects potassium hydrogen persulfate composite salts to be combined with calcium hypochlorite, mutually makes up, forms a kind of disinfection
The strong and stable disinfectant powder of ability.
In addition to above-mentioned main disinfection composition, the present invention adds auxiliary element and advanced optimizes disinfectant powder.Specifically, it assists
Ingredient has hygroscopicity, can prevent the disinfectant powder moisture absorption from agglomerating.Become disodium hydrogen phosphate and di(2-ethylhexyl)phosphate as sodium tripolyphosphate can absorb water
Hydrogen sodium, Na5P3O10+2H2O→2Na2HPO4+NaH2PO4.Meanwhile also there is complexing and precipitation, it is assisted by addition
Precipitation by metallic ion in thimerosal is avoided metal ion from contacting with [O] by ingredient, to prevent active oxygen [O] in thimerosal
Middle loss, and then stabilizing active oxygen [O] in aqueous solution.In addition, auxiliary element in aqueous solution with the variable valency metals such as iron, manganese from
Son generates precipitating, it is precipitated from aqueous solution, prevents the redox reaction between variable valency metal ions and active oxygen, reduces
Active oxygen loss, e.g., Na5P3O10+Mn2+→Na3(MnP3O10)+2Na+, Na3C6H5O7+Fe3+→FeC6H5O7。
The present invention is using potassium hydrogen persulfate composite salts as one of main disinfection composition, and oxidability is than liquid chlorine, secondary
Chlorate is strong, and Disinfection Effect is preferable, to Organic substance in water without chlorination, will not generate the disinfection by-products such as chloroform, and
And property is stablized, and is easy to store, be readily transported；Disinfectant powder of the invention is dissolved in clear liquid, turbid separation after water, can be used for not existing together
Science and engineering sequence, sediment do not influence the water turbidity that dispatches from the factory；After disinfectant powder of the invention is dissolved in water, the complexing of the auxiliary elements such as sodium citrate is former
The variable valency metal ions such as iron, manganese in water reduce potassium hydrogen peroxymonosulfate and decompose, and then reduce the loss of effective component；The present invention
Disinfectant powder be dissolved in the free chlorines such as the hypochlorite of generation, be able to maintain pipe network with Continuous sterilization ability, reduce bacteriological aftergrowth
A possibility that, guarantee the biological safety of water outlet.
It should be noted that the potassium hydrogen persulfate composite salts of present invention meaning refer to by potassium hydrogen peroxymonosulfate, hydrogen sulfate
Potassium, potassium sulfate synthesize complex salt by chemical bonded refractory.Since potassium hydrogen peroxymonosulfate exists only in aqueous solution, when it is solid
Generally potassium hydrogen peroxymonosulfate, potassium acid sulfate, potassium sulfate synthesize complex salt by chemical bonded refractory, crystallize out from aqueous solution
's.
Further, in preferred embodiments of the present invention, drinking water disinfection powder includes: by weight percentage, to cross one
Potassium acid sulfate complex salt 10-75%, calcium hypochlorite 10-85% and auxiliary element 5-25%.
Further, in preferred embodiments of the present invention, drinking water disinfection powder includes: by weight percentage, to cross one
Potassium acid sulfate complex salt 25-60%, calcium hypochlorite 20-65% and auxiliary element 10-20%.
Further, in preferred embodiments of the present invention, drinking water disinfection powder includes: by weight percentage, to cross one
Potassium acid sulfate complex salt 25-30%, calcium hypochlorite 60-70% and auxiliary element 5-10%.
Further, in preferred embodiments of the present invention, drinking water disinfection powder includes by weight percentage, crossing a sulphur
Potassium hydrogen phthalate complex salt 50-60%, calcium hypochlorite 30-40% and auxiliary element 5-15%.
Further, in preferred embodiments of the present invention, above-mentioned auxiliary element include sodium citrate, sodium tripolyphosphate and
Calgon, the mass ratio of the sodium citrate, sodium tripolyphosphate and calgon are 1:(5-7): 1.Preferably, lemon
The mass ratio of sour sodium, sodium tripolyphosphate and calgon is 1:5:1,1:6:1,1:7:1.
Further, in preferred embodiments of the present invention, above-mentioned auxiliary element include citric acid, sodium tripolyphosphate and partially
Sodium metasilicate, mass ratio are as follows: citric acid: sodium tripolyphosphate: sodium metasilicate=1:8:1.
The preparation method of above-mentioned drinking water disinfection powder will in the environment of temperature is lower than 35% lower than 25 DEG C, relative humidity
Potassium hydrogen persulfate composite salts or calcium hypochlorite are mixed with auxiliary element progress first time, then add calcium hypochlorite or excessively one
Potassium acid sulfate complex salt carries out second and mixes, and drinking water disinfection powder is made.
The present invention is controlled in process of production, by epidemic disaster in 25 DEG C, 35% respectively hereinafter, to avoid hydrogen peroxymonosulfate
Potassium complex salt, calcium hypochlorite high temperature, high humidity ring mirror in stability it is poor, be easy decompose loss active constituent the problem of, thus
Improve the stability of product.Further, since auxiliary element total amount is relatively fewer compared with main component, in order to guarantee that product is uniform
Property, the present invention mixes in two times.
Further, in preferred embodiments of the present invention, first time incorporation time is 10-20min, when mixing for the second time
Between be 25-35min.
After disinfectant powder detection is qualified, quantitative separating is packed into Dampproof fiber drum or polypropylene plastics charging basket in polyethylene plastic bag,
Set shady place storage.
A kind of drinking water disinfection powder application method, comprising:
(1) after raw water being carried out coagulation, precipitating and filtering pretreatment, water after filter is obtained；
(2) it takes above-mentioned disinfectant powder to be added to the water, and stirs, isolated clarified solution and suspension after standing；
(3) clarified solution of step (2) is added into the water after filter of step (1) and is carried out disinfection；
(4) suspension of step (2) is added into coagulating basin and carries out raw water pre-oxidation；
Wherein, the dosage of disinfectant powder is added according to disinfectant powder concentration in water after filter for 0.5-2mg/L.
When disinfectant powder is sterilized for water after filter, after the completion of disinfection, it is greater than into available chlorine content in factory pipe network water
0.3mg/L。
The invention has the following advantages:
Disinfectant Disinfection Effect of the invention is good.Potassium hydrogen persulfate composite salts oxidability is than liquid chlorine, hypochlorite etc.
Strong containing disinfectant, Disinfection Effect is more preferable；Hypochlorite stable has Continuous sterilization ability, can ensure that the bio-safety of output water
Property, the two coordinated enables product to combine disinfecting power and product stability.
The disinfection by-products of sterilization method of the present invention is few.Potassium hydrogen persulfate composite salts are free from the oxidant of Active Chlorine,
Without chlorination, harmful disinfection by-products is not generated.
Decontamination system of the invention is highly-safe, operational administrative is simple.
Disinfectant powder of the present invention, property are stablized, and are easy to store, transport, use, high system safety, operational administrative is simple.
Specific embodiment
Principles and features of the present invention are described with reference to embodiments, the given examples are served only to explain the present invention,
It is not intended to limit the scope of the present invention.The person that is not specified actual conditions in embodiment, according to normal conditions or manufacturer suggests
Condition carries out.Reagents or instruments used without specified manufacturer is the conventional products that can be obtained by commercially available purchase.
Embodiment 1:
The drinking water disinfection powder of the present embodiment, comprising: by weight percentage, potassium hydrogen persulfate composite salts 5%, secondary chlorine
Sour calcium 90% and auxiliary element 5%；Wherein, the auxiliary element is the mixture of sodium citrate, sodium tripolyphosphate.
The preparation method of above-mentioned drinking water disinfection powder, which is characterized in that be lower than 35% lower than 25 DEG C, relative humidity in temperature
In the environment of, potassium hydrogen persulfate composite salts or calcium hypochlorite are mixed with auxiliary element progress first time, when mixing for the first time
Between be 10min, then add calcium hypochlorite or potassium hydrogen persulfate composite salts and carry out second and mix, second of incorporation time
For 25min, drinking water disinfection powder is made.
The drinking water disinfection powder application method of the present embodiment, comprising:
(1) after raw water being carried out coagulation, precipitating and filtering, water after filter is obtained；
(2) it takes above-mentioned disinfectant powder to be added to the water, and stirs, isolated clarified solution and suspension after standing；
(3) clarified solution of step (2) is added into the water after filter of step (1) and is carried out disinfection；
(4) suspension of step (2) is added into coagulating basin and carries out raw water pre-oxidation；
Wherein, the dosage of disinfectant powder is added according to disinfectant powder concentration in water after filter for 0.5mg/L.
Embodiment 2:
The drinking water disinfection powder of the present embodiment, comprising: by weight percentage, potassium hydrogen persulfate composite salts 80%, secondary
Calcium chlorate 5% and auxiliary element 15%；Wherein, the auxiliary element is the mixture of sodium tripolyphosphate, calgon.
The preparation method of above-mentioned drinking water disinfection powder, which is characterized in that be lower than 35% lower than 25 DEG C, relative humidity in temperature
In the environment of, potassium hydrogen persulfate composite salts or calcium hypochlorite are mixed with auxiliary element progress first time, when mixing for the first time
Between be 20min, then add calcium hypochlorite or potassium hydrogen persulfate composite salts and carry out second and mix, second of incorporation time
For 35min, drinking water disinfection powder is made.
The drinking water disinfection powder application method of the present embodiment, comprising:
(1) after raw water being carried out coagulation, precipitating and filtering, water after filter is obtained；
(2) it takes above-mentioned disinfectant powder to be added to the water, and stirs, isolated clarified solution and suspension after standing；
(3) clarified solution of step (2) is added into the water after filter of step (1) and is carried out disinfection；
(4) suspension of step (2) is added into coagulating basin and carries out raw water pre-oxidation；
Wherein, the dosage of disinfectant powder is added according to disinfectant powder concentration in water after filter for 2mg/L.
Embodiment 3:
The drinking water disinfection powder of the present embodiment, comprising: by weight percentage, potassium hydrogen persulfate composite salts 10%, secondary
Calcium chlorate 60% and auxiliary element 30%；Wherein, the auxiliary element is the mixture of sodium citrate, calgon.
The preparation method of above-mentioned drinking water disinfection powder, which is characterized in that be lower than 35% lower than 25 DEG C, relative humidity in temperature
In the environment of, potassium hydrogen persulfate composite salts or calcium hypochlorite are mixed with auxiliary element progress first time, when mixing for the first time
Between be 15min, then add calcium hypochlorite or potassium hydrogen persulfate composite salts and carry out second and mix, second of incorporation time
For 30min, drinking water disinfection powder is made.
The drinking water disinfection powder application method of the present embodiment, comprising:
(1) after raw water being carried out coagulation, precipitating and filtering, water after filter is obtained；
(2) it takes above-mentioned disinfectant powder to be added to the water, and stirs, isolated clarified solution and suspension after standing；
(3) clarified solution of step (2) is added into the water after filter of step (1) and is carried out disinfection；
(4) suspension of step (2) is added into coagulating basin and carries out raw water pre-oxidation；
Wherein, the dosage of disinfectant powder is added according to disinfectant powder concentration in water after filter for 1mg/L.
Embodiment 4:
The drinking water disinfection powder of the present embodiment, comprising: by weight percentage, potassium hydrogen persulfate composite salts 75%, secondary
Calcium chlorate 10% and auxiliary element 15%；Wherein, the auxiliary element is the mixture in citric acid and sodium metasilicate.
The preparation method of above-mentioned drinking water disinfection powder, which is characterized in that be lower than 35% lower than 25 DEG C, relative humidity in temperature
In the environment of, potassium hydrogen persulfate composite salts or calcium hypochlorite are mixed with auxiliary element progress first time, when mixing for the first time
Between be 15min, then add calcium hypochlorite or potassium hydrogen persulfate composite salts and carry out second and mix, second of incorporation time
For 30min, drinking water disinfection powder is made.
The drinking water disinfection powder application method of the present embodiment, comprising:
(1) after raw water being carried out coagulation, precipitating and filtering, water after filter is obtained；
(2) it takes above-mentioned disinfectant powder to be added to the water, and stirs, isolated clarified solution and suspension after standing；
(3) clarified solution of step (2) is added into the water after filter of step (1) and is carried out disinfection；
(4) suspension of step (2) is added into coagulating basin and carries out raw water pre-oxidation；
Wherein, the dosage of disinfectant powder is added according to disinfectant powder concentration in water after filter for 2mg/L.
Embodiment 5:
The drinking water disinfection powder of the present embodiment, comprising: by weight percentage, potassium hydrogen persulfate composite salts 5%, secondary chlorine
Sour calcium 85% and auxiliary element 10%；Wherein, the auxiliary element is the mixture of sodium citrate and sodium metasilicate.
The preparation method of above-mentioned drinking water disinfection powder, which is characterized in that be lower than 35% lower than 25 DEG C, relative humidity in temperature
In the environment of, potassium hydrogen persulfate composite salts or calcium hypochlorite are mixed with auxiliary element progress first time, when mixing for the first time
Between be 15min, then add calcium hypochlorite or potassium hydrogen persulfate composite salts and carry out second and mix, second of incorporation time
For 30min, drinking water disinfection powder is made.
The drinking water disinfection powder application method of the present embodiment, comprising:
(1) after raw water being carried out coagulation, precipitating and filtering, water after filter is obtained；
(2) it takes above-mentioned disinfectant powder to be added to the water, and stirs, isolated clarified solution and suspension after standing；
(3) clarified solution of step (2) is added into the water after filter of step (1) and is carried out disinfection；
(4) suspension of step (2) is added into coagulating basin and carries out raw water pre-oxidation；
Wherein, the dosage of disinfectant powder is added according to disinfectant powder concentration in water after filter for 2mg/L.
Embodiment 6:
The drinking water disinfection powder of the present embodiment, comprising: by weight percentage, potassium hydrogen persulfate composite salts 25%, secondary
Chloric acid 65% and auxiliary element 10%；Wherein, the auxiliary element be sodium citrate, sodium tripolyphosphate, calgon it is mixed
Close object.
The preparation method of above-mentioned drinking water disinfection powder, which is characterized in that be lower than 35% lower than 25 DEG C, relative humidity in temperature
In the environment of, potassium hydrogen persulfate composite salts or calcium hypochlorite are mixed with auxiliary element progress first time, when mixing for the first time
Between be 15min, then add calcium hypochlorite or potassium hydrogen persulfate composite salts and carry out second and mix, second of incorporation time
For 30min, drinking water disinfection powder is made.
The drinking water disinfection powder application method of the present embodiment, comprising:
(1) after raw water being carried out coagulation, precipitating and filtering, water after filter is obtained；
(2) it takes above-mentioned disinfectant powder to be added to the water, and stirs, isolated clarified solution and suspension after standing；
(3) clarified solution of step (2) is added into the water after filter of step (1) and is carried out disinfection；
(4) suspension of step (2) is added into coagulating basin and carries out raw water pre-oxidation；
Wherein, the dosage of disinfectant powder is added according to disinfectant powder concentration in water after filter for 2mg/L.
Embodiment 7:
The drinking water disinfection powder of the present embodiment, comprising: by weight percentage, potassium hydrogen persulfate composite salts 60%, secondary
Calcium chlorate 20% and auxiliary element 20%；Wherein, the auxiliary element is mixed in calgon, citric acid and sodium metasilicate
Close object.
The preparation method of above-mentioned drinking water disinfection powder, which is characterized in that be lower than 35% lower than 25 DEG C, relative humidity in temperature
In the environment of, potassium hydrogen persulfate composite salts or calcium hypochlorite are mixed with auxiliary element progress first time, when mixing for the first time
Between be 15min, then add calcium hypochlorite or potassium hydrogen persulfate composite salts and carry out second and mix, second of incorporation time
For 30min, drinking water disinfection powder is made.
The drinking water disinfection powder application method of the present embodiment, comprising:
(1) after raw water being carried out coagulation, precipitating and filtering, water after filter is obtained；
(2) it takes above-mentioned disinfectant powder to be added to the water, and stirs, isolated clarified solution and suspension after standing；
(3) clarified solution of step (2) is added into the water after filter of step (1) and is carried out disinfection；
(4) suspension of step (2) is added into coagulating basin and carries out raw water pre-oxidation；
Wherein, the dosage of disinfectant powder is added according to disinfectant powder concentration in water after filter for 2mg/L.
Embodiment 8:
The drinking water disinfection powder of the present embodiment, comprising: by weight percentage, potassium hydrogen persulfate composite salts 30%, secondary
Calcium chlorate 60% and auxiliary element 10%；Wherein, the auxiliary element be sodium citrate, sodium tripolyphosphate, sodium metasilicate it is mixed
Close object.
The preparation method of above-mentioned drinking water disinfection powder, which is characterized in that be lower than 35% lower than 25 DEG C, relative humidity in temperature
In the environment of, potassium hydrogen persulfate composite salts or calcium hypochlorite are mixed with auxiliary element progress first time, when mixing for the first time
Between be 15min, then add calcium hypochlorite or potassium hydrogen persulfate composite salts and carry out second and mix, second of incorporation time
For 30min, drinking water disinfection powder is made.
The drinking water disinfection powder application method of the present embodiment, comprising:
(1) after raw water being carried out coagulation, precipitating and filtering, water after filter is obtained；
(2) it takes above-mentioned disinfectant powder to be added to the water, and stirs, isolated clarified solution and suspension after standing；
(3) clarified solution of step (2) is added into the water after filter of step (1) and is carried out disinfection；
(4) suspension of step (2) is added into coagulating basin and carries out raw water pre-oxidation；
Wherein, the dosage of disinfectant powder is added according to disinfectant powder concentration in water after filter for 2mg/L.
Embodiment 9:
The drinking water disinfection powder of the present embodiment, comprising: by weight percentage, potassium hydrogen persulfate composite salts 25%, secondary
Calcium chlorate 70% and auxiliary element 5%；Wherein, the auxiliary element is the mixture of sodium citrate, citric acid and sodium metasilicate.
The preparation method of above-mentioned drinking water disinfection powder, which is characterized in that be lower than 35% lower than 25 DEG C, relative humidity in temperature
In the environment of, potassium hydrogen persulfate composite salts or calcium hypochlorite are mixed with auxiliary element progress first time, when mixing for the first time
Between be 15min, then add calcium hypochlorite or potassium hydrogen persulfate composite salts and carry out second and mix, second of incorporation time
For 30min, drinking water disinfection powder is made.
The drinking water disinfection powder application method of the present embodiment, comprising:
(1) after raw water being carried out coagulation, precipitating and filtering, water after filter is obtained；
(2) it takes above-mentioned disinfectant powder to be added to the water, and stirs, isolated clarified solution and suspension after standing；
(3) clarified solution of step (2) is added into the water after filter of step (1) and is carried out disinfection；
(4) suspension of step (2) is added into coagulating basin and carries out raw water pre-oxidation；
Wherein, the dosage of disinfectant powder is added according to disinfectant powder concentration in water after filter for 2mg/L.
Embodiment 10:
The drinking water disinfection powder of the present embodiment, comprising: by weight percentage, potassium hydrogen persulfate composite salts 60%, secondary
Calcium chlorate 30% and auxiliary element 10%；Wherein, the auxiliary element is the mixing of sodium tripolyphosphate, citric acid and sodium metasilicate
Object.
The preparation method of above-mentioned drinking water disinfection powder, which is characterized in that be lower than 35% lower than 25 DEG C, relative humidity in temperature
In the environment of, potassium hydrogen persulfate composite salts or calcium hypochlorite are mixed with auxiliary element progress first time, when mixing for the first time
Between be 15min, then add calcium hypochlorite or potassium hydrogen persulfate composite salts and carry out second and mix, second of incorporation time
For 30min, drinking water disinfection powder is made.
The drinking water disinfection powder application method of the present embodiment, comprising:
(1) after raw water being carried out coagulation, precipitating and filtering, water after filter is obtained；
(2) it takes above-mentioned disinfectant powder to be added to the water, and stirs, isolated clarified solution and suspension after standing；
(3) clarified solution of step (2) is added into the water after filter of step (1) and is carried out disinfection；
(4) suspension of step (2) is added into coagulating basin and carries out raw water pre-oxidation；
Wherein, the dosage of disinfectant powder is added according to disinfectant powder concentration in water after filter for 2mg/L.
Embodiment 11:
The drinking water disinfection powder of the present embodiment, comprising: by weight percentage, potassium hydrogen persulfate composite salts 50%, secondary
Calcium chlorate 35% and auxiliary element 15%；Wherein, the auxiliary element is sodium citrate, sodium tripolyphosphate, calgon, lemon
The mixture of lemon acid.
The preparation method of above-mentioned drinking water disinfection powder, which is characterized in that be lower than 35% lower than 25 DEG C, relative humidity in temperature
In the environment of, potassium hydrogen persulfate composite salts or calcium hypochlorite are mixed with auxiliary element progress first time, when mixing for the first time
Between be 15min, then add calcium hypochlorite or potassium hydrogen persulfate composite salts and carry out second and mix, second of incorporation time
For 30min, drinking water disinfection powder is made.
The drinking water disinfection powder application method of the present embodiment, comprising:
(1) after raw water being carried out coagulation, precipitating and filtering, water after filter is obtained；
(2) it takes above-mentioned disinfectant powder to be added to the water, and stirs, isolated clarified solution and suspension after standing；
(3) clarified solution of step (2) is added into the water after filter of step (1) and is carried out disinfection；
(4) suspension of step (2) is added into coagulating basin and carries out raw water pre-oxidation；
Wherein, the dosage of disinfectant powder is added according to disinfectant powder concentration in water after filter for 2mg/L.
Embodiment 12:
The drinking water disinfection powder of the present embodiment, comprising: by weight percentage, potassium hydrogen persulfate composite salts 55%, secondary
Calcium chlorate 40% and auxiliary element 5%；Wherein, the auxiliary element be sodium citrate, sodium tripolyphosphate, calgon and partially
Mixture in sodium metasilicate.
The preparation method of above-mentioned drinking water disinfection powder, which is characterized in that be lower than 35% lower than 25 DEG C, relative humidity in temperature
In the environment of, potassium hydrogen persulfate composite salts or calcium hypochlorite are mixed with auxiliary element progress first time, when mixing for the first time
Between be 15min, then add calcium hypochlorite or potassium hydrogen persulfate composite salts and carry out second and mix, second of incorporation time
For 30min, drinking water disinfection powder is made.
The drinking water disinfection powder application method of the present embodiment, comprising:
(1) after raw water being carried out coagulation, precipitating and filtering, water after filter is obtained；
(2) it takes above-mentioned disinfectant powder to be added to the water, and stirs, isolated clarified solution and suspension after standing；
(3) clarified solution of step (2) is added into the water after filter of step (1) and is carried out disinfection；
(4) suspension of step (2) is added into coagulating basin and carries out raw water pre-oxidation；
Wherein, the dosage of disinfectant powder is added according to disinfectant powder concentration in water after filter for 2mg/L.
Embodiment 13:
The drinking water disinfection powder of the present embodiment, comprising: by weight percentage, potassium hydrogen persulfate composite salts 15%, secondary
Calcium chlorate 65% and auxiliary element 20%；Wherein, the auxiliary element is sodium citrate, sodium tripolyphosphate, calgon, lemon
Mixture in lemon acid and sodium metasilicate.
The preparation method of above-mentioned drinking water disinfection powder, which is characterized in that be lower than 35% lower than 25 DEG C, relative humidity in temperature
In the environment of, potassium hydrogen persulfate composite salts or calcium hypochlorite are mixed with auxiliary element progress first time, when mixing for the first time
Between be 15min, then add calcium hypochlorite or potassium hydrogen persulfate composite salts and carry out second and mix, second of incorporation time
For 30min, drinking water disinfection powder is made.
The drinking water disinfection powder application method of the present embodiment, comprising:
(1) after raw water being carried out coagulation, precipitating and filtering, water after filter is obtained；
(2) it takes above-mentioned disinfectant powder to be added to the water, and stirs, isolated clarified solution and suspension after standing；
(3) clarified solution of step (2) is added into the water after filter of step (1) and is carried out disinfection；
(4) suspension of step (2) is added into coagulating basin and carries out raw water pre-oxidation；
Wherein, the dosage of disinfectant powder is added according to disinfectant powder concentration in water after filter for 2mg/L.
Test example
Disinfectant powder of the invention is carried out in Russia's Sa water affair group of running quickly using test, to the Escherichia coli of water factory and thin
Bacterium sum has done the result statistics in a week, using the results are shown in Table 1 and table 2.
Total number of bacteria in the operation of 1 water factory of table
Coliform count in the operation of 2 water factory of table
As can be seen from Table 1 and Table 2, after which has added disinfectant powder, bactericidal effect is preferable, removal rate 90% with
On, it can be up to state standards, but wherein Escherichia coli have cannot be up to state standards for 3 days.Main cause is this survey rank
Section is summer, and the total number of bacteria of the water factory increased significantly, and the dosage of disinfectant does not increase with the increase of coliform count
Cause to be up to state standards greatly.Therefore must increase the injected volume of disinfectant can be just that output water is up to state standards.According to
Understand, which is that 0.4mg/L can also be up to state standards in the dosage in winter.
It should be noted that the raw water that 2018.6.30 is handled in table 1 is not due to by pretreatment, containing
Total number of bacteria is larger.
The following table 3 is composition detection result in water after the water factory carries out disinfection.
Table 3
From table 3 it can be seen that various composition is all satisfied standard in water after disinfectant powder of the invention is handled, say
Bright bactericidal effect is good.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of drinking water disinfection powder characterized by comprising by weight percentage, potassium hydrogen persulfate composite salts 5-
80%, calcium hypochlorite 5-90% and auxiliary element 5-30%；Wherein, the auxiliary element be selected from sodium citrate, sodium tripolyphosphate,
At least two in calgon, citric acid and sodium metasilicate.
2. drinking water disinfection powder according to claim 1 characterized by comprising by weight percentage, permonosulphuric acid
Hydrogen potassium complex salt 10-75%, calcium hypochlorite 10-85% and auxiliary element 5-25%.
3. drinking water disinfection powder according to claim 2 characterized by comprising by weight percentage, permonosulphuric acid
Hydrogen potassium complex salt 25-60%, calcium hypochlorite 20-65% and auxiliary element 10-20%.
4. drinking water disinfection powder according to claim 2 characterized by comprising by weight percentage, permonosulphuric acid
Hydrogen potassium complex salt 25-30%, calcium hypochlorite 60-70% and auxiliary element 5-10%.
5. drinking water disinfection powder according to claim 2 characterized by comprising by weight percentage, permonosulphuric acid
Hydrogen potassium complex salt 50-60%, calcium hypochlorite 30-40% and auxiliary element 5-15%.
6. drinking water disinfection powder according to claim 1, which is characterized in that the auxiliary element includes sodium citrate, three
Polyphosphate sodium and calgon, the mass ratio of the sodium citrate, sodium tripolyphosphate and calgon are 1:(5-7): 1.
7. the preparation method of drinking water disinfection powder described in any one of claims 1-6, which is characterized in that be lower than 25 in temperature
DEG C, relative humidity lower than in the environment of 35%, potassium hydrogen persulfate composite salts or calcium hypochlorite and auxiliary element are carried out first
Secondary mixing, then adds calcium hypochlorite or potassium hydrogen persulfate composite salts carry out second and mix, and drinking water disinfection powder is made.
8. the preparation method of drinking water disinfection powder according to claim 7, which is characterized in that first time incorporation time is
10-20min, second of incorporation time are 25-35min.
9. the application method of drinking water disinfection powder described in any one of claims 1-6 characterized by comprising
(1) after raw water being carried out coagulation, precipitating and filtering pretreatment, water after filter is obtained；
(2) it takes above-mentioned disinfectant powder to be added to the water, and stirs, isolated clarified solution and suspension after standing；
(3) clarified solution of step (2) is added into the water after filter of step (1) and is carried out disinfection；
(4) suspension of step (2) is added into coagulating basin and carries out raw water pre-oxidation；
Wherein, the dosage of disinfectant powder is added according to disinfectant powder concentration in water after filter for 0.5-2mg/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811048316.2A CN109042726A (en) | 2018-09-10 | 2018-09-10 | A kind of drinking water disinfection powder and preparation method thereof, application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811048316.2A CN109042726A (en) | 2018-09-10 | 2018-09-10 | A kind of drinking water disinfection powder and preparation method thereof, application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109042726A true CN109042726A (en) | 2018-12-21 |
Family
ID=64760927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811048316.2A Pending CN109042726A (en) | 2018-09-10 | 2018-09-10 | A kind of drinking water disinfection powder and preparation method thereof, application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109042726A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111202090A (en) * | 2020-02-17 | 2020-05-29 | 四川水王子环境科技有限公司 | Hospital sewage disinfection powder and preparation method and use method thereof |
| CN111296477A (en) * | 2020-04-07 | 2020-06-19 | 成都民生消毒剂有限责任公司 | Composite calcium hypochlorite disinfectant |
| CN113396931A (en) * | 2021-06-03 | 2021-09-17 | 上海蓝宇水处理股份有限公司 | Composite disinfectant and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105191979A (en) * | 2014-06-10 | 2015-12-30 | 李菠 | Powder for oxidizing and infecting drinking water and preparation method thereof |
| CN105394081A (en) * | 2015-12-30 | 2016-03-16 | 成都润兴消毒药业有限公司 | Potassium monopersulfate composite salt disinfection powder |
-
2018
- 2018-09-10 CN CN201811048316.2A patent/CN109042726A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105191979A (en) * | 2014-06-10 | 2015-12-30 | 李菠 | Powder for oxidizing and infecting drinking water and preparation method thereof |
| CN105394081A (en) * | 2015-12-30 | 2016-03-16 | 成都润兴消毒药业有限公司 | Potassium monopersulfate composite salt disinfection powder |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111202090A (en) * | 2020-02-17 | 2020-05-29 | 四川水王子环境科技有限公司 | Hospital sewage disinfection powder and preparation method and use method thereof |
| CN111296477A (en) * | 2020-04-07 | 2020-06-19 | 成都民生消毒剂有限责任公司 | Composite calcium hypochlorite disinfectant |
| CN113396931A (en) * | 2021-06-03 | 2021-09-17 | 上海蓝宇水处理股份有限公司 | Composite disinfectant and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU745200B2 (en) | Method of water purification with oxides of chlorine | |
| US2815311A (en) | Stable solid disinfectant compositions | |
| CN109042726A (en) | A kind of drinking water disinfection powder and preparation method thereof, application method | |
| US20080181973A1 (en) | Chlorine dioxide gel and associated methods | |
| CN103391917B (en) | A kind of method for preparing bromourea | |
| CN102963964A (en) | Electrolyzed oxidizing sterilizing water with low corrosiveness and preparation method thereof | |
| BR112013015732B1 (en) | Aqueous Chlorine Dioxide Solution, its Preparation Process and its Uses, Provision, and Reservoir | |
| CN107853295A (en) | A kind of controllable type sustained release air purifying preparation and preparation method thereof | |
| JPH1081610A (en) | Production of sterilizing antispetic solution and sterilizing disinfectant | |
| CN102696675A (en) | Stable activation-state javelle water and preparation method thereof | |
| CN103503922A (en) | Disinfection powder for hospital wastewater disinfection | |
| CN105836860B (en) | A kind of stable type dioxygen aqueous disinfectant and its application in drinking water disinfection | |
| JP2021028289A (en) | Method for producing chlorous acid water using material obtained by salt electrolysis as raw material | |
| CN111252872A (en) | High-performance disinfection composition and preparation method thereof | |
| CN112640912A (en) | Active oxygen composite bactericide and preparation method thereof | |
| CN111771909A (en) | Disinfecting composition and preparation method thereof | |
| CN114916558B (en) | Method for producing hypochlorous acid stably | |
| CN112323090A (en) | Hypochlorous acid solution capable of being stably stored and preparation method thereof | |
| JP3759757B2 (en) | Fungicide | |
| US20040048762A1 (en) | Method of purifying or cleansing a body of liquid | |
| CN111202090A (en) | Hospital sewage disinfection powder and preparation method and use method thereof | |
| JP3992614B2 (en) | Disinfectant and water-based disinfecting method using the disinfectant | |
| CN101835499B (en) | Antiseptic material and a method for the production and use thereof | |
| CN111226982A (en) | Sewage disinfection powder and preparation method and use method thereof | |
| Harris | The effect of predisinfection with chlorine dioxide on the formation of haloacetic acids and trihalomethanes in a drinking water supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181221 |
|
| RJ01 | Rejection of invention patent application after publication |