Improving separation of mixed-bed ion-exchange resins for more efficient regeneration, first backwashes with sodium chloride solution
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Process for treating semiconductor fabrication reclaim
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Process and device for producing pure water
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Membrane filtration process provides low loss recovery process for clean and service water
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Process for the controlled removal of insoluble or slightly soluble substances from a system wherein ozonized water is circulating
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Process for the conditioning of ion exchange resins
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Membrane separation process, in particular by reverse osmosis or ultrafiltration and apparatus for carrying it out
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Apparatus for the continuous electrochemical desalination of aqueous solutions
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Cleaning of precoat
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Process and apparatus for desalinization of aqueous liquids
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Ion exchange filter - has regenerating liq. drainage fittings with liq. permeable sidewalls
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Device for fine bubble aeration of waste water
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Process and apparatus for the discontinuous ion exchange treatment of salt-containing liquids
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Method and apparatus for the treatment of solutions by reverse osmosis
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Process for electrolytic decationisation and/or decarbonation of aqueous liquid streams which are in contact with alkaline earth metal carbonate precipitates
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Quasi-continuous process for the treatment of liquids by means of multiple active-material beds and apparatus for performing the process
