摘要
采用室内试验方法,研究苯并[α]芘在土壤中的吸附动力学。结果表明:吸附速率会随时间的增加逐渐变小,速率曲线符合对数方程;吸附平衡时间420min,最大吸附量为98.7μg/g(土)。苯并[α]芘在土壤中的吸附反应为放热反应,温度升高会减少吸附量、降低反应平均吸附速率。
Study was made to adsorption kinetics of benzo [α] pyrene in the soil in this investigation. The results showed that the adsorption rate gradually decreased with the time increased, the rate curve was consistent with the logarithm equations; the adsorption time was 420min and the maximum adsorption capacity was 98.7μg / g （soil）. The adsorption of benzo [α] pyrene in the soil was exothermic reaction; the temperature rising could reduce the adsorption capacity and the average response rate of adsorption.
出处
《南水北调与水利科技》
CAS
CSCD
2010年第6期91-93,共3页
South-to-North Water Transfers and Water Science & Technology
基金
中国地质科学院水文地质环境地质研究所基本科研业务费项目(SK200905)
中国地质科学院重点实验室项目(Q08005)
关键词
苯并[α]芘
吸附动力学
温度
benzo [α] pyrene
adsorption kinetics
temperature
