Potassium monopersulfate, also known as monopersulfatePotassium hydrogen persulfate has a strong water melting effect and strong corrosiveness, but it can provide strong and effective non chlorine oxidation potential and microbial efficacy. Therefore, it is widely used in industrial production and disinfection fields. It also has the advantages of good stability, storage, and easy use.
Physical properties of potassium monopersulfate
Appearance white,Odorless, crystalline, sandy solid powder Reactive oxygen species:≥ 4.50%
Effective components（KHS05） ：≥ 42.80%bulk densityg/cm3：1.00—1.30
moisture content ：≤ 0.10% PH（25 ℃） ：2.0 — 2.3（1%Aqueous solution)
1.7 — 2.0（3%Aqueous solution) granularity20 Objective:100%
300 Objective:≤ 5%Water solubility（20 ℃）g/L：256
decomposition temperature ：> 60 ℃Storage temperature:< 30 ℃
Main hazards: oxidants, corrosion
Activity and characteristics of potassium monopersulfate
Potassium Monopersulfate(Molecular formula2KHSO ·KHSO4), is a powdery inorganic peroxide that is an oxidizing disinfectant. Its advantages include:①Safe, non-toxic, and non irritating. The natural degradation products in water areSO、K、NaWaiting for inorganic salt ions;②Good water solubility.1％～2%The solution5minEasy to dissolve internally;2％-3．5%Stir the solution5～lOminCan be completely dissolved. And quickly release effective bactericidal ingredients;③Efficient and broad-spectrum. After dissolving in water, it releases reactive oxygen species and forms various active ingredients such as hydroxyl radicals and hydrogen peroxide radicals. Their synergistic bactericidal effect is superior to any single component, among which the new ecological oxygen species[O】The bactericidal ability isclof2．5Double, hydroxyl radicalsH0]The bactericidal ability isc.
of600Double;④No toxic by-products. It does not react with inorganic and organic substances in water to produce toxic halogenated compounds or destroy their bactericidal effect, and can remove small amounts ofS、SO、NOFirst class reducing acid radical oxidation removal;⑤Safe storage and transportation, with a shelf life of up to two years under dark and dry conditions;⑥Easy to add, low cost, and the disinfection dosage for drinking water in water plants is generally average0．3—0．6 g／m.
Cylinder type dosing device

Application of potassium monopersulfate
·Disinfectant: Disinfectant made by circulating water in swimming pools and hot springs;
·Metal processing: cleaning and etching of printed circuit boards;
·Paper regeneration: as an additive for wet strength paper pulping and fiber recycling;
·Textiles: can be used as oxidants for pre shrink pretreatment of woolen fabrics and bleaching agents for dyed fabrics;
·other: Dental cleaning agents, gypsum additives, organic synthetic adjuvants, carpet coloring agents, and sewage purifiers;

Storage of potassium monopersulfate
Potassium monopersulfate must be stored in a dry, cool, and ventilated place, away from direct sunlight, heat sources, and fire sources. The storage temperature should be at30 ℃following. Pay attention to waterproofing,Avoid pollution. Do not come into contact with organic matter, reducing substances, flammable materials, acids, bases, cyanides, halides, etc. to prevent decomposition. During use, avoid direct contact with eyes, skin, and clothing, and wear protective equipment.
Transportation:
highway/railway transportation/Sea transportation:
Dangerous goods grade: 8 class
International dangerous goods code:UN NO. 3260
Packing group ：IIclass
Packaging
（1）Net weight25 Kg composite paper bag lined with single-layer plastic bag
（2）Net weight25 kilogramPEbag
（3）Net weight25 Kg woven bag lined with double-layer plastic bag
（4）Net weight1000 Kilogram woven bag lined with single-layer plastic bag
The above packaging 1000 Pack a pallet in kilograms
Potassium monopersulfate dosing device
Potassium MonopersulfateThe dosing equipment is divided into automatic dosing device and manual dosing device according to the dissolution method of powder. Material selection for drug dissolution tankPVCperhapsPESelection of diaphragm material for metering pumpPTFESelection of pump head materialPVC.
Potassium monopersulfate manual dosing device
The manual addition equipment controls the dissolution of disinfectant powder manually, and the solution is quantitatively added to water through a metering pump.
The process operation of drug dissolution is as follows: first, open the tap water supply valve of the drug tank system. When the liquid level exceeds the impeller of the mixer, shake the mixer to start stirring and evenly add the set amount of disinfectant powder. When the liquid level reaches the set height, close the tap water supply valve and continue to operate the mixer10minStop stirring afterwards, and the drug dissolution is complete.
The process of drug addition involves starting the drug supply pump to enter the system while the raw water lifting pump is running; When the raw water lift pump stops, delay the drug supply pump for a certain period of time.
The process parameters include: pre determining the dosage concentration, determining the hourly dosage based on actual engineering experimental data; Determine the size of the dissolution tank based on the concentration used and the total amount added on the day.
Selection of investment points: In the process of tap water disinfection, the optimal point for adding potassium monopersulfate composite powder is at the inlet collection pipe before the disinfection tank, achieving satisfactory disinfection effect through effective contact between the pipeline and the disinfection tank. In the pre oxidation process, it is best to choose the injection point before flocculation to improve the removal rate of algae and organic matter in water and control odor(Especially the odor of chlorophenols or algal by-products)Prevent microbial growth and enhance coagulation filtration. If there is a removalFe“、Mn“For the device, the injection point should be selected after this device.

Potassium monopersulfate automatic dosing device
The dissolution of disinfectant powder is achieved through the liquid level signal of the automatic feeding equipment; The quantitative addition of drug solution is automatically controlled by the linkage between the operating signal of the raw water treatment system and the online water quality detection signal.
The process flow of drug dissolution is linked with the water supply solenoid valve and the drug solution tank level gauge. When the level gauge is at a low level, the solenoid valve automatically opens and injects tap water into the drug dissolution tank. At the same time as supplying water, the dry powder feeding device automatically opens and adds disinfectant powder in a quantitative manner. The mixer is linked with the water supply solenoid valve, and when the solenoid valve is opened,
When the mixer starts and the solenoid valve stops, the mixer will automatically stop after a certain period of time. The dissolution of the drug is complete.
The supply of drugs is achieved through the linkage of dosing pumps, raw water lifting pumps, and online disinfectant residual monitoring devices.
The selection of equipment capabilities includes: the size of the solution tank and dosing pump is determined based on experimental data, the design principle of the dissolution system is that the amount dissolved once is the amount required by the water treatment system for one day, the effective volume of the solution storage system tank is the amount required by the treatment system for one day, and the drug solution addition system is equipped with two metering pumps.
Potassium monopersulfate automatic dosing deviceIn the process selection and design, the determination of the concentration of chemicals to be added shall be based on the actual data on site; The size of the silo is determined based on the amount of medication used; The size of the chemical feed tank and drug solution storage tank is determined based on the dissolved concentration; The selection of medication dosing metering pump is determined based on the hourly dosage of medication solution.