Technology for Cleaner Production of Active Bright-Red X-3B Dye
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Graphical Abstract
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Abstract
For cleaner production of active X-3B dye,a new technology was brought forth to recover industrial salts for recycling through vacuum evaporation of salt containing filtrate.Through experiments,an optimal combination of operational conditions was found out with the temperature of the solution being 80 ℃,vacuity 0.08 MPa,and the temperature of cooling water at the outlet 40 ℃.
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