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Chemical Pretreatment For RO and NF - Hydranautics

cation exchange system, and degasifiers to remove these potential foulants. Calcium and Magnesium is removed using pretreatment such as lime-soda softening and filtration, prior to feeding the RO. Weak acid cation ion exchange is used to remove hardness ... CPA membranes have an estimated chlorine tolerance of 1,000 to 2,000 ppm-hours before a .


  Chemical, Exchange, Membrane, Pretreatment, Chemical pretreatment for ro and




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