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What kinds of wastewater containing phosphorus?
Sources of phosphorus-containing wastewater: surface treatment industry, chemical industry, domestic sewage, electroplating, printing and dyeing, pharmaceutical and other industries
Phosphorus-containing wastewater can be divided into different pollutants: orthophosphate wastewater, hypophosphite wastewater, pyrophosphate wastewater, organic and inorganic phosphorus wastewater and so on.
There are many treatment methods for phosphorus wastewater, such as orthophosphate can be used directly with calcium salts, iron salts, aluminum salts and its reaction to generate precipitation and removal, while for other phosphorus wastewater, the traditional process needs to be oxidized into orthophosphate and then removed, the oxidizing agent is harmful to the body, strong oxidizing agents and corrosive properties, in the oxidation process, if the wastewater contains other pollutant factors, such as: S, cl, NH4, etc., will produce harmful gases, the operation is more complex, you can use pharmaceutical removal of hypophosphite, do not need to oxidize, you can *** precipitation, relatively green and healthy, such as pharmaceutical: HMC-P3, hypophosphite remover, etc., for organic and inorganic phosphorus wastewater, oxidation of the generation of hypophosphite salts are relatively simple, you can also use the HMC-P3, etc.
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