Answer:
Chlorine
advantage:
1. Effective against all types of microbes
disadvantage:
1. Highly sensitive to inorganic and organic loads
2. High chemical hazard
Iodine
1. Effective against viruses, bacteria, fungi
2. Very stable in concentrate
1. Chemical hazard (staining)
2. Relatively corrosive at high temperature
Quaternary Ammonium Compounds (QAC)
advantages:
1. Stable at high temperature and wide pH range
2. Relatively tolerable with organic loads
1. Inhibited by most anionics and hard water salts
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Answers & Comments
Answer:
Chlorine
advantage:
1. Effective against all types of microbes
disadvantage:
1. Highly sensitive to inorganic and organic loads
2. High chemical hazard
Iodine
advantage:
1. Effective against viruses, bacteria, fungi
2. Very stable in concentrate
disadvantage:
1. Chemical hazard (staining)
2. Relatively corrosive at high temperature
Quaternary Ammonium Compounds (QAC)
advantages:
1. Stable at high temperature and wide pH range
2. Relatively tolerable with organic loads
disadvantage:
1. Inhibited by most anionics and hard water salts