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Experimental Study on Treatment of Fluoride Wastewater by Red Clay

机译:红土处理含氟废水的试验研究。

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The red clay was used as absorbent to treat fluoride wastewater by adsorption. And the effects of liquid-solid ratios, pH and reaction time on removel of fluoride were investigated. The results shown that the removel fluoride was realizable by physical and chemical adsorption, and the physical adsorption was dominant. The liquid-solid ratios, pH and reaction time were 50g/L, 9.0 and 1.5h, respectively, while the clearance of fluoride was above 90%. Besides, the adsorption isotherm of red clay generally resembled the standard L-type isotherm.
机译:将红土用作吸收剂,通过吸附处理含氟废水。并研究了液固比,pH值和反应时间对氟化物去除的影响。结果表明,可去除的氟化物可通过物理和化学吸附实现,而物理吸附占主导地位。液固比,pH和反应时间分别为50g / L,9.0和1.5h,而氟化物的清除率大于90%。此外,红土的吸附等温线通常类似于标准的L型等温线。

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