期刊论文

中文

湖南农业大学学报(自然科学版)

1007-1032

1995

01

35-39

10.13331/j.cnki.jhau.1995.01.008

湖南农业大学青年科研基金；

本校为第一机构

４种土壤对三价锑的吸附及动力学的研究结果表明，吸锑量的大小顺序为河潮土＞红壤＞紫色土．吸锑规律河潮土和紫色土呈直线型，红土红壤服从Ｌａｎｇｍｕｉｒ等温式，砂岩红壤服从Ｔｅｍｋｉｎ等温式．４种土壤的吸锑速度都很快．河潮土、砂岩红壤和紫色土的吸附动力学规律用Ｅｌｏｖｉｃｈ和双常数速率方程式能很好地描述，呈极显著正相关．由于红土红壤吸附速度太快，１～２ｍｉｎ内就几乎达到吸附平衡，不能用Ｅｌｏｖｉｃｈ和双常数速率方程式描述，相关性不显著．

Adsorption and kinetics of antimony(Ⅲ)on 4 soil samples has been studied.The results show that the order of amount of antimony(Ⅲ)adsorbed is river tidal soil>redloam >purple soil. The isotherms of antimony(Ⅲ)adsorption on river tidal soil and purplesoil are linear.Antimony(Ⅲ)adsorption of red loam soil is fit for the isothermal equation ofLangmuir,and antimony(Ⅲ)adsorption sandstone red loam is fit for the isothermal equationof Temkin. Adsorption kinetics of antimony(Ⅲ)on 4 soil samples is very rapid. The adsorp-tion kinetics of river tid...