PROCESS FOR THE WORK-UP AND REUSE OF SALT-CONTAINING PROCESS WATER
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United States of America
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Feb 11, 2019
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Feb 11, 2019
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A process for the work-up of salt-containing process water which contains an alkali metal chloride as salt in a concentration of at least 4% by weight and organic or inorganic and organic impurities from chemical production processes and reuse of the salt by a combination of prepurification and concentration, crystallization and purification of the salt and optionally subsequently use of the salt in an electrolysis for producing basic chemicals are described.
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