Location
Chicago, Illinois
Date
02 May 2013, 4:00 pm - 6:00 pm
Abstract
Stabilization of heavy metals contaminated soils using phosphate amendments is relatively a simple, quick and cheap method to reduce the transport of contaminants in the environment. The objective of this study is to stabilize the polluted soil using dicalcum phosphate (DCP). In this study a series of leachate column tests were conducted to find out the effect of DCP on Pb and Cu polluted soil. In addition, to understand the concentration of DCP on the efficiency of the method, different samples with different polluted soils were tested. DCP with 0.1, 0.2 and 0.5 mg/kg dry soil were added to the polluted soil and the samples were kept for 1 month. Break through curves were prepared to analyze the results. The results show that DCP may stabilize heavy metals in the soil. Increasing the concentration of DCP, decreases the concentration of metals in the effluent, means more stabilized metals in the soils. The results also show that 0.2 mg/kg dry soil of DCP is enough to stabilize the metals from the first stages of the tests.
Department(s)
Civil, Architectural and Environmental Engineering
Meeting Name
7th Conference of the International Conference on Case Histories in Geotechnical Engineering
Publisher
Missouri University of Science and Technology
Document Version
Final Version
Rights
© 2013 Missouri University of Science and Technology, All rights reserved.
Creative Commons Licensing
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License.
Document Type
Article - Conference proceedings
File Type
text
Language
English
Recommended Citation
Falamaki, Amin; Tavallali, Hossein; and Farahmand, Sharbanoo Rezanejad, "Stabilization of Contaminated Soil by Dicalcium Phosphate" (2013). International Conference on Case Histories in Geotechnical Engineering. 34.
https://scholarsmine.mst.edu/icchge/7icchge/session_06/34
Stabilization of Contaminated Soil by Dicalcium Phosphate
Chicago, Illinois
Stabilization of heavy metals contaminated soils using phosphate amendments is relatively a simple, quick and cheap method to reduce the transport of contaminants in the environment. The objective of this study is to stabilize the polluted soil using dicalcum phosphate (DCP). In this study a series of leachate column tests were conducted to find out the effect of DCP on Pb and Cu polluted soil. In addition, to understand the concentration of DCP on the efficiency of the method, different samples with different polluted soils were tested. DCP with 0.1, 0.2 and 0.5 mg/kg dry soil were added to the polluted soil and the samples were kept for 1 month. Break through curves were prepared to analyze the results. The results show that DCP may stabilize heavy metals in the soil. Increasing the concentration of DCP, decreases the concentration of metals in the effluent, means more stabilized metals in the soils. The results also show that 0.2 mg/kg dry soil of DCP is enough to stabilize the metals from the first stages of the tests.
