Disinfectant Powder DW-1

Rosun water disinfectant powder is an advanced oxidation technology basing on sulfate radical [SO4-], using potassium monopersulfate compound powder (2KHSO5.KHSO4.K2SO4)as its active ingredient.

By using high-energy activation technology to produce active oxygen [O] through the chain reaction after being dissolved in water, it produce different kinds of high effective redox potentials, such as small molecule free radicals with high-energy and high-activity, a new ecological oxygen atom, hydroxyl radical [.OH], sulfate radical [SO4-.] thus becoming a high-effective disinfectant.

DW-1's Advantages and Features


White water disinfectant powder, mild and stable, non-volatile, environment-friendly disinfectant. 

Environmental protection property:

Rosun disinfectant powder continuously produces active oxygen and a small amount of organic fertilizer in or after the disinfection process and is good for the environment. It is an environmentally friendly disinfectant.


White water disinfectant powder, stable performance, no volatile corrosion to the environment.

Effectiveness (up to standard): Broad spectrum:

Strong killing effect to bacterium, fungus, virus, germ. Exfoliation effect to the green alga.

High efficiency: only a small amount of dosage to meet standards.

Lasting activity: continuously release active oxygen, take effect only with 15 min, sterilize up to 72 h.


Convenient transport, use, and storage; Guarantee period of 2 years; Not chlorine-containing disinfectant, cannot detect residual chlorine. Save detection cost and reduce operating link.


No need for annual inspection and registration.

Product Features of Disinfectant Powder DW-1


Powder form, stable under normal temperature, easy to transport, storage and application, not belongs to explosive or poisonous product, period of validity is two years.

After used ROSUN water disinfectant powder, the water quality standard fully meets the requirements of China's National Standard for Drinking Water Hygiene, genotoxicity is much lower than the safety risk line (10-6), far lower than chlorine disinfection.

The following picture shows the genotoxicity of Potassium Peroxomonosulfate disinfectant powder based on the umu experiment in the School of Environment Tsinghua University on the "Study on the disinfection effect of Potassium Peroxymonosulfate composite powder for drinking water."

Eco-Friendly Disinfectant Powder DW-1

The product's main active ingredient is active free radical, will not produce any harmful by-products, will not cause environmental pollution.

High-Efficient & Persistent

When the water disinfectant powder dissolved in water, through a cycle chain reaction, it will continuously produce Active Oxygen (O), Sulfate-free radical[SO4- ], hydroxyl free radical [.OH ] which has strong oxidizing property, synergetic sterilization.

It can remove alga, oxidize and degrade the organic matter, pesticide residue, heavy metal, etc.

The content of active oxygen in the disinfectant solution gradually decreases with time, and only decays by 50% after 84 hours and the sterilization effect is long.

Usage and Dosage of Disinfectant Powder DW-1

Disinfected Object

Suggested Dosage

Contact Time


Tap water plant


Dissolved in water at 1%~2% concentration

City secondary waste

Quantitative dosing

Outdoor drinking water

2-40 / 100L


Directly add and stir evenly

Storage of Disinfectant Powder DW-1

1) Period of validity: 24 months (suggest finish the use of its solutions within 5 days after dilution)

2) Caution and storage:

For external use only, keep out of reach of children.

Do not mix or use together with an alkaline material, try to avoid metal containers.

Keep tight of the container after use and store in a cool and dry place.

Wear protecting clothing when touching the powder.

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