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Items |
Chemical ClO2 generator |
Electrolysis ClO2 generator |
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Principle |
Chemical reaction produce high purity of ClO2 |
Electrolyze Sodium chloride and water produce ClO2, Cl2 mixed disinfectant |
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Reaction equation |
5NaClO2+4HCl=4ClO2+ 5NaCl+2H2O |
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Cost of investment |
Raw material |
Sodium chlorite, HCl (Hydrochloric acid) |
Sodium chloride, or sodium chlorite |
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Generator components |
Chemicals storage tank, metering pumps Reactor Dosing device Electric control apparatus |
Electrolytic cell DC supply Sodium chlorite dissolving and storage tank |
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Wearing parts |
Long life√ |
Short life for electrodes and often need maintenance and replacement. Electrode is easy to be damaged and maintenance cost is high. |
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Advantages & disadvantages |
Raw materials |
Expensive |
Cheap and easy to get in the market.√ but contain more impurities which will cause large byproducts, low current efficient |
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Structure |
Simple in structure√ |
Complexity in structure |
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Convenience |
Easy in installation, operation and maintenance√ |
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Volume |
Occupy a smaller area. |
Occupy a larger area and easy to erode to operation room |
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Security |
Safe and reliable√ |
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Consumption |
Low power consumption |
High power consumption, high salt consumption |
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Capacity |
High |
almost the same as chlorine gas, and lower than chlorine dioxide |
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Application |
Apply to small, medium, large-scale use of occasion |
Apply to small-scale use of occasion |
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