This research studies the reliability of an activated carbon permeable reactive barrier in removing cadmium from a contaminated shallow aquifer.Laboratory tests have been performed to characterize the equilibrium and ...This research studies the reliability of an activated carbon permeable reactive barrier in removing cadmium from a contaminated shallow aquifer.Laboratory tests have been performed to characterize the equilibrium and kinetic adsorption properties of the activated carbon in cadmium-containing aqueous solutions.A 2D numerical model has been used to describe pollutant transport within a groundwater and the pollutant adsorption on the permeable reactive barrier(PRB).In particular,it has been considered the case of a PAB used to protect a lake or downstream from Cd(II)contaminated groundwater.Numerical results show that the PAB can achieve a long-term efficiency by preventing lake or downstream pollution for several months.展开更多
基金Supported by Project of National Key Programof Technology R&D the11th Five-year Plan(Nos.2007BAB28B04-03,2006BAB04A09-02)China Geological Survey Program(No.2003104001)+2 种基金Jilin Province Key Project of Science and Technology(Nos.20020401,20080543)Jilin Province KeyProject of Water Resources(Nos.YN20060328,HDS20060629)NSFC Project(No.40672157)
文摘This research studies the reliability of an activated carbon permeable reactive barrier in removing cadmium from a contaminated shallow aquifer.Laboratory tests have been performed to characterize the equilibrium and kinetic adsorption properties of the activated carbon in cadmium-containing aqueous solutions.A 2D numerical model has been used to describe pollutant transport within a groundwater and the pollutant adsorption on the permeable reactive barrier(PRB).In particular,it has been considered the case of a PAB used to protect a lake or downstream from Cd(II)contaminated groundwater.Numerical results show that the PAB can achieve a long-term efficiency by preventing lake or downstream pollution for several months.
