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Application of PFS in domestic wastewater phosphorus removal

Release time:2020-10-27 

  In addition to phosphorus pollution, the main pollutants of domestic sewage are nitrogen and other nutrients, SS (solid suspended solids) and COD (chemical oxygen demand). Here, phosphorus includes insoluble phosphorus and soluble inorganic compounds, and polyferric sulfate can convert the soluble inorganic compounds brought by these detergents into insoluble phosphate. In short, PFS has 100% removal of orthophosphate in water.

  The amount of domestic wastewater is generally large, containing a lot of orthophosphoric acid. The iron ion in polymerized ferric sulfate can react with orthophosphoric acid to form ferric phosphate precipitation (FePO4). In addition, the highly polymerized iron hydroxide colloidal ions formed after it dissolves in water and iron ions together bridge, net and sweep the suspended particles in water, so that the insoluble phosphorus and iron phosphate precipitates in water can be condensed to form sludge.

  The source wave spray polymerized ferric sulphate (PFS), as a high molecular polymer, has little effect on the phosphorus removal from domestic sewage by pH value. The sludge formed is dense and does not need to add lime or alkali and other basic regulators in the process of phosphorus removal, thus greatly reducing the amount of sludge.

  In fact, PFS not only has the function of phosphorus removal in domestic sewage treatment, but its effect of phosphorus removal is very significant. Compared with ferrous sulfate, PFS has less sludge production, better treatment effect and no yellow water quality.

  Yuanbo polyferric sulfate

  Yuanbo polyferric sulfate is an improved high molecular ferric salt polymer. In the treatment of wastewater phosphorus removal, the dosage of Yuanbo polyferric sulfate is less than that of ordinary polyferric sulfate and other similar agents, and the amount of sludge formed is less. Compared with the common polymeric ferric sulfate, ferric sulfate, phosphorus removal agent, ammonia nitrogen removal agent, COD removal agent, polymeric ferric sulfate manufacturer, price of polymeric ferric sulfate, Henan polymeric ferric sulfate and tongpoly ferric sulfate, the content of polymeric ferric sulfate reaches 22%, especially in wastewater phosphorus removal, and its dosage can be reduced by 50%.