Process for preparing industrial ultra-pure water by reverse osmosis postposition softener
A technology of reverse osmosis and softener, which is applied in the production process of industrial high-purity water, which can solve the problems of investment, large energy consumption, large floor area, inconvenient operation and maintenance, etc., and achieves small investment and long regeneration cycle , the effect of small footprint
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[0016] Example: After the raw water is pretreated by the pretreatment facility 1, the scale inhibitor is added by the scale inhibitor dosing system 6, pressurized by the high-pressure pump 2, and supplied to the reverse osmosis membrane group 3 by the pipeline to remove the dissolved salts in the water and at the same time. Some large molecules and small particles that were not removed in the previous stage, etc. Its function is to pre-desalinate the pre-treated produced water with a desalination rate of 95% to 99%. The purpose of adding the scale inhibitor to the scale inhibitor dosing system is to prevent the hardness of the raw water from scaling in the reverse osmosis membrane group.
[0017] The reverse osmosis product water after the pre-desalination of the reverse osmosis membrane group 3 directly enters the softener 4 through the pipeline to remove the residual hardness in the reverse osmosis product water, that is, deep soften the reverse osmosis product water, the purpos...
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