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  • Title: [Coagulation performance and mechanism of Al(b) species in treating simulative dye wastewater].
    Author: Xu WY, Gao BY, Wang Y, Xu XM, Yue QY.
    Journal: Huan Jing Ke Xue; 2010 Jan; 31(1):117-23. PubMed ID: 20329526.
    Abstract:
    Al(b) species was obtained from polyaluminum chloride (PAC) using ethanol-acetone mixed precipitation method. Al(b) and PAC were comparatively investigated in terms of color removal and zeta potential under different coagulant dosage and solution pH in the treatment of dispersive yellow and direct purple simulative dyeing wastewater. The changes of floc size of Al(b) and PAC were analyzed with PDA2000 and Mastersizer2000, and the coagulation mechanisms were also investigated. Compared with PAC, Al(b) species can work within a wider pH range and the flocs formed by Al(b) showed a more compact structure, a better settle ability and regrowth ability.
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