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Water treatment equipment system in TDS, SDI, LSI, KSP mean?

by:J&D WATER     2020-03-06
Water treatment equipment system in TDS, SDI, LSI, KSP is what? Below is the dongguan water treatment company to share: TDS, total dissolved solids ( General and salinity approximation) ; SDI: pollution index is measure of system pretreatment effect SDI< 6. 7, the deep well water ( 水) SDI, the reverse osmosis device for water requirement for SDI< 5. LSI: Langelier Saturation Index, Langelier Index was measured by reverse osmosis device scaling tendency, LSI = 0, system without fouling and corrosion tendency; LSI> Zero, the system has a tendency to scale; LSI< Zero, the system has a tendency to corrosion. For reverse osmosis system LSI asked not to a value greater than 0. System LSI value can be used to add acid to reduce, also can reduce the water recovery system to reduce. Ksp: solubility equilibrium constant, the reverse osmosis device for the solvent and solute in the raw water through, in the thick water side produced due to the reduce of solvent concentration, when the strong lateral water soluble solids concentration appear because of the concentration of product is greater than the solubility crystallization precipitation occurs when the equilibrium constant, the reverse osmosis device has a harmful effect. Increase the solubility of system equilibrium constant can be used to add scale inhibitors, scale inhibitors can increase the solubility of dissolved solids.
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