TREATMENT METHODS FOR RECYCLING DYEING RESIDUAL LIQUIDS
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United States of America Patent
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Jan 19, 2016
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Jan 19, 2016
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Abstract
The present invention provides a treatment method for recycling dyeing residual liquids. The method comprises the following steps: adding an organic liquid into the acidic dyeing residual liquids to separate colored substances in the dyeing residual liquids into the organic liquid so as to decolorize the dyeing residual liquids; and, recycling the decolorized dyeing residual liquids in accordance with a dyeing process.
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