Disinfection technology

Interests

Drawbacks

Liquid chlorine

Low energy consumption

High storage risk

UV light

Low investment and operation costs

Inadequate depth of penetration and occupational health risks

Chlorine dioxide

High efficiency and low operation costs

Inconvenient storage and

transport

Sodium hypochlorite

Low toxicity, simple equipment, stable

operation, easy control, and low

operation and preparation costs

High energy consumption, strong corrosiveness, and high pollution

Ozone

The ability of decoloring and deodorizing and quick decomposition of microorganisms

High operation costs and hazardous disinfection by-products (DBPs)