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通过测定分析硅溶胶、膨润土对金属阳离子吸附能力，对硅溶胶处理膨润土进行研究．实验证明用硅溶胶处理后膨润土吸附能力提高１０％～１７％
By measuring the adsorption capacity of silica sol and bentonite to metal cations, the bentonite treated with silica sol was studied. Experiments show that bentonite treated with silica sol adsorption capacity increased by 10% to 17%