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Physical processing waste water containing phenol extraction solvent removing phenol

by:Deyuan      2020-08-18
Physical processing waste water containing phenol extraction solvent dephenolizing process mainly adopts benzene and heavy benzene, solvent oil, butyl acetate, isopropyl ether solvents, such as their partition coefficient of phenol can provide higher, according to the physical processing waste water containing phenol extraction solvent removing phenol experiment case available: solvent for phenol distribution coefficient is higher, the greater the solubility in water, this is bound to cause secondary pollution, the larger solvent recovery in solvent loss or increasing residual liquid load, this is the physical processing waste water containing phenol extraction solvent dephenolizing process common problem.
of phenol and other polyphenol for two times, however, its hydrophilicity is strong, difficult to use physical solvent extraction of phenol, phenol wastewater disposal of industrial waste water containing phenol composition is complex, there is a certain amount of manifolds of phenol and other organic impurities and salts. At low concentration of waste water containing phenol is often physical solvent processing waste water containing phenol extraction dephenolizing process appears powerless, that is to say, after a single extraction operation, extraction of phenol content in liquid residue still retain a certain level, and can not meet the discharge standards. So the physical processing waste water containing phenol extraction solvent removing phenol is suitable for high concentration phenol wastewater recycling and preprocessing. Source:
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