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《Environmental Chemistry》 1988-04
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THE OZONIZATION CHARACTERISTICS FOR TWO CATEGORIES OF CATION DYES

Liu Sanxue Zheng Zibao Yang Jingliang (Department of Environmental Engineering, Hebei Chemical Engineering Institute)  
This paper studies the ozonization characteristics of two categories of cation dyes-the cation peach-colour FG and the cation beauty-blue RL.Experimental results show that the decolorizing efficiency for the wastewater containing these dyts reached 99%.In the aqueous solutions,the ozonization indexes for decolouring are 2.67 and 2.85 respectively.The CODcr removal was found to be related with the quality of waste water, and the removal rate ranged from 15-40%,
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