研究了MnO2负载蒙脱土对溴百里香酚蓝的吸附脱色性能，绻果表明：蒙脱土可以改善MnO2在吸附过程中的分散性，提高吸附能力。试验表明该吸附过程符合Lagergren二级速率动力学方程，当MnO2负载蒙脱土用量为1．0g，pH较低，质量浓度10～50mg／L时，较短时间内就仃很好的脱色效果，脱色率可达96．44％。%Study MnO2 loaded montmorillonite adsorption decolorization performed on bromothmol blue. Results showed that: the montmorillonite could improve the dispersion and capacity of MnO2 adsorption process. Tests showed that the adsorption process meets Lagergren second-order rate kinetic equation, when use MnO2 loaded montmorillonite 1.0 g, lower pH, concentration of 10-50 rag/L, a relatively short period of time there is a very good bleaching effect, the decolorization rate up to 96.44 %.
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