However it is generally not considered a competitive technology for wastewater disinfection since it offers no significant technological advantage compared to chlorine because additional salts i e sodium thiosulfate.
Chlorine dioxide water treatment disadvantages.
The following table shows these advantages.
These are harmless by products.
Each alternate disinfectant has its advantages and disadvantages.
It is an oxidizing agent able to transfer oxygen to a variety of substrates while gaining one or more electrons via oxidation reduction it does not hydrolyze when it enters water and.
Chlorine dioxide on the other hand provides disadvantages that outweigh the advantages.
Chlorine dioxide is generated on site using either precursor sodium chlorite or sodium chlorate.
This is in stark contrast to chlorine which has been extensively documented to form trihalomethanes thms such as chloroform and halogenated organic compounds.
The most important one is the fact that it is simply not an effective water treatment to completely eradicate biofilm.
Overview information chlorine dioxide is a gas.
Chlorine dioxide is currently used in about 13 of the drinking water treatment facilities in the us usepa draft 1998.
These alternate disinfectants for drinking water treatment include.
Chloramines chlorine dioxide clo2 ozone o3 ultraviolet radiation uv what are some of their advantages and disadvantages.
May choose to use alternate disinfectants.
Chlorine dioxide ends up releasing oxygen and forming nacl salt in water.
However it is generally not considered a competitive technology for wastewater disinfection since it offers no significant technological advantage compared to chlorine because additional salts i e sodium thiosulfate.
By adding chlorine dioxide in the pre oxidation stage of surface water treatment the growth of algae and bacteria can be prevented in the following stages.
For drinking water treatment chlorine dioxide can be used both as a disinfectant and as an oxidizing agent.
It is commonly used to disinfect drinking water.
Chlorine dioxide is currently used in about 13 of the drinking water treatment facilities in the us usepa draft 1998.
These precursors meet the strictest quality and compliance standards in the usa and canada including awwa b303 19 nsf 60 and en 938 quality standards.
When used in very small quantities to disinfect water it is safe and does not lead to health risks.
