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Different Chlorination Methods Comparison

No.

Disinfection Method

Raw Material

Difficulty of Getting Raw Material

Water to be Treated Category

Raw MaterialTransfer & Store

OperationSafety

Water treatment inspection quality control

Disinfection Operation Cost

1

Chlorine Gas

Chlorine Gas

Easy

Lesscontaminated Water

High risk

High risk

Domestic sewage pollution has the risk of exceeding chloroform

Very Low

2

Liquid Sodium Hypochlorite

Liquid Sodium Hypochlorite

Easy

Lesscontaminated Water

Middle risk

Middle risk

Domestic sewage pollution has high risk of chloroform by-products exceeding the standard,
and the production of scales and plugging water pipes)

Low

3

Electrolysis Onsite

Salt, seawater

Easy

Polluted water source with high domestic sewage, iron,
manganese and algae with low pH and low total alkalinity

Low risk

Low risk

The risk of excessive chloroform in the water source contaminated by organic matter and domestic sewage is low,
and there is no concern about decomposition and volatilization.

Very Low

4

Chlorine Dioxide (1)

NaCIO₂, HCl

Hard

Suitable for water sources containing dissolved iron and manganese,
large amounts of algae and domestic sewage

High risk

High risk

There are risks of excessive chlorate and chlorite, and the PE plastic pipe is dissolved in water.
The gas-liquid separation rate cannot be guaranteed.

Middle

5

Chlorine Dioxide (2)

NaClO3, H2SO4, CH3OH, Cane sugar

Hard

Suitable for water sources containing dissolved iron and manganese,
large amounts of algae and domestic sewage

High risk

High risk

There are risks of excessive chlorate and chlorite, and the PE plastic pipe is dissolved in water.
The gas-liquid separation rate cannot be guaranteed.

High

6

Chlorine Dioxide (3)

NaClO3, H2SO4, H2O2, Cane sugar

Hard

Suitable for water sources containing dissolved iron and manganese,
large amounts of algae and domestic sewage

High risk

High risk

There are risks of excessive chlorate and chlorite, and the PE plastic pipe is dissolved in water.
The gas-liquid separation rate cannot be guaranteed.

High


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