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Which types of agents are frequently used in wastewater treatment?

issuing time:2018/3/22 9:31:13
1、Flocculating agent: The flocculating agent is sometimes also known as coagulant, capable of being used as the solid-liquid separation reinforcing means and used for primary settling tanks, secondary settling tanks, flotation tanks and process links such as tertiary treatment or advanced treatment.
2、Coagulant aid: The coagulant aid assists the flocculating agent in working and reinforcing the coagulation effect.
3、Conditioner: The conditioner is also known as a dehydrating agent, used for conditioning excess sludge before dehydrating and including part of the flocculating agent and the coagulant aid mentioned above.
4、Demulsifying agent: The demulsifying agent is sometimes also known as a destabilizing agent, mainly used for pretreatment of oily wastewater containing emulsified oil before air floatation and including part of the flocculating agent and the coagulant aid mentioned above.
5、Antifoaming agent: The antifoaming agent is mainly used for eliminating a large amount of foam appearing in the aerating or stirring process.
6、pH regulator: The pH regulator is used for regulating pH values of acid wastewater and alkali wastewater to 7.
7、Oxidation and reduction agent: The oxidation and reduction agent is used for treatment of industrial wastewater containing oxidizing substances or reducing substances.
8、Disinfectant: The disinfectant is used for disinfection treatment conducted before wastewater is discharged or reused after being treated