摘要
地下水和饮用水中低剂量砷引起的环境健康问题在全球范围内受到广泛关注。本文从生物地球化学行为的角度综述了关于砷在环境中迁移转化方面的研究进展。首先介绍了砷在土壤、水体和大气等介质中的分布、形态以及砷在这些介质中的循环。然后阐述了环境水体中控制砷迁移的两个过程即:砷在土壤表面的吸附-解吸和沉淀-溶解过程,并详细讨论了在吸附-解吸过程中生物、物理和化学等因素的影响。
Arsenic contamination in groundwater and drinking water and associated environmental health problems are widely concerned. Studies on the behavior of arsenic in the environment are very important in order to deal with these problems. Here a brief review on the transport and cycling of arsenic in the environment is conducted. The source, distribution, and speciation of arsenic in soil, water, and atmosphere are first introduced, then followed by a discussion on the processes largely controlling arsenic mobility in water adsorption-desorption reactions and solid phase precipitation- dissolution reactions.
出处
《化学进展》
SCIE
CAS
CSCD
北大核心
2009年第2期458-466,共9页
Progress in Chemistry
关键词
砷
生物地球化学
迁移
水体
arsenic
biogeochemistry
mobility
water
