水利水电科技进展2018，Vol.38Issue(3)：22-25,65,5.DOI:10.3880/j.issn.1006-7647.2018.03.004
泥沙吸附磷前后Zeta电位变化试验
Experiment on Zeta potential variation before and after phosphorus adsorption by sediment
摘要
Abstract
In this paper,sediment samples of fine partiles were olleted from three rivers,the Nanjing reah of the Yangtze River,the Bengbu reah of the Huai River and the Yong River Estuary. Isothermal equilibrium adsorption experiments were arried out to study the variation of Zeta potential of sediment after phosphorus adsorption. It an be onluded that the absolute value of Zeta potential inreases with the inreasing equilibrium phosphorus adsorption amount per unit mass of sediment, resulting in an enhaning stability that restrains floulation. Zeta potential variation is proportional to the equilibrium phosphorus adsorption amount,but the ratio is different for sediments with different origins. This ratio ranks from high to low respetively for sediments from the Yong River,the Huai River and the Yangtze River. Moreover,the relative variation of Zeta potential is proportional to the relative adsorption amount of phosphorus, and the ratio is the largest for sediment from the Yong River Estuary,followed by that from the Yangtze River and the Huai River,whih have similar values.关键词
泥沙/Zeta电位/溶解态磷/吸附试验Key words
sediment/Zeta potential/dissolved phosphorus/adsorption experiment分类
建筑与水利引用本文复制引用
肖洋,沈菲,成浩科..泥沙吸附磷前后Zeta电位变化试验[J].水利水电科技进展,2018,38(3):22-25,65,5.基金项目
国家自然科学基金(51179055,51239003) （51179055,51239003）
