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Analysis on Arsenic Contamination in Groundwater

DING Ai-zhong1, YANG Shuang-xi1, ZHANG Hong-da2   

  1. 1.College of Water Sciences/Key Laboratory of Water and Sediment Sciences, Ministry of Education, Beijing Normal University Beijing 100875, China;2.College of Resources, China University of Mining and Technology, Beijing 100082, China
  • Received:2006-10-20 Revised:1900-01-01 Online:2007-03-26 Published:2007-03-26
  • Contact: DING Ai-zhong

Abstract: Arsenic contamination of groundwater is one of the most important reasons to endemic arseniasis in the world. The sources of arsenic, the processes of arsenic migration and enrichment in groundwater were analyzed, which showed that the environmental conditions are the key factors to arsenic enrichment in groundwater like in the arid or semi-arid area, closed terrain and physiognomy and block-faulted depressions. Also the characteristics of water-bearing media, groundwater velocity, pH, Eh, organic contents in groundwater play great important role in arsenic migration and enrichment. A model was proposed to describe arsenic contamination of groundwater and its influencing factors controlling the processes of arsenic migration and enrichment, which can be used for the strategies making of arsenic contamination control in arseniasis areas.

Key words: groundwater, arsenic contamination, migration, enrichment

CLC Number: 

  • X523
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