李梦泽;陈征贤;金晓英;陈祖亮;

• 1:福建师范大学环境科学与工程学院

摘要(Abstract)：

采用液相还原法制备天然膨润土负载纳米铁钯双金属颗粒,考察了不同材料及影响因素,如溶液温度、pH值等对水中酸性大红去除的影响.实验结果表明:负载型纳米铁钯表现出更高的活性,对高浓度的酸性大红具有良好的去除效果.在投加量为0.5 g.L-1、250 r.min-1、30℃、pH=5.81、ρ0=200mg.L-1条件下,天然膨润土负载纳米铁钯在10 min内对酸性大红的去除率达到98.48%.其降解过程较好地符合伪一级反应动力学(r≥0.983),反应活化能为75.42 kJ.mol-1.

关键词(KeyWords)： 膨润土;纳米铁钯;酸性大红;动力学

Abstract:

Keywords:

基金项目(Foundation): 福建师范大学闽江学者人才引进基金资助(200604);; 福建省大学生创新性实验计划项目(FJNU2011-016);; 福建师范大学本科生课外科技计划项目(BKL2011-026)

作者(Authors): 李梦泽;陈征贤;金晓英;陈祖亮;

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