文档介绍：The Hydrogeochemical Modeling for Total
Hardness in Aquifer of Urban Area
CHENG Donghui LIU Mingzhu CHEN Honghan, HE Jiangtao
College of Environmental Sciences and Engineering School of Water Resources and Environment
Chang’an University China University of Geosciences
Xi’an, PRC Beijing, PRC
******@chd.
HE Guoping LIN Jian
Beijing Institute of Water Beijing Institute of Geological Engineering
Beijing Municipal Bureau of Water Authority Beijing Municipal Bureau of Geology and Minerals
Beijing, PRC Prospecting and Exploration
Beijing, PRC
Abstract—The total hardness in aquifer often increased rapidly which is more important that occurred in vadose zone or in
in urban area, and it may caused by the hydrogeochemistry. aquifer.
However it is not clear where the hydrogeochemistry happened
in aquifer or in vadose zone. In this paper, mineral dissolution The purpose of this research is to confirm the contribution
and cation exchange relevant to total hardness were simulated by of mineral dissolution and cation exchange in aquifer to total
the hydrogeochemical transport model in order to research the hardness with the hydrogeochemical modeling.
influences of the mineral dissolution and cation exchange in
aquifer on position in groundwater system. The II. HYDROGEOCHEMICAL MODEL
results showed that the contribution of calcite a