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2017-12-07 13:36:31
Long-term use of zeolite and ion exchanger after failure can be reused by the re-use, in boiling water, calcium, magnesium will not precipitate precipitation. The third is the ion exchange method, but one of the sodium ions and hydrogen ions can be hard water with calcium and magnesium ions exchange reaction, so that calcium, ion exchange agent adsorption and was removed. The second is the phosphate soft water method. For boiler water, zeolites and ion exchangers are insoluble in water. Sodium Phosphate (NaPO3) can be added as a water softening agent to form a complex with calcium and magnesium ions so that no scale is formed. This method is not suitable for softening drinking water, magnesium ions are zeolite, artificial zeolite to soften water are generally three methods, the first is the Sudar lime method, hard-water calcium and magnesium ions will sink
Really want to deal with, it is necessary to use reverse osmosis membrane. Poly aluminum chloride produced wastewater is mainly inorganic pollutants
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