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Experimental investigation of influence of acid rain on leaching and hydraulic characteristics of cement-based solidified/stabilized lead contaminated clay

Du, YJ and Jiang, NJ and Shen, SL and Jin, F (2012) Experimental investigation of influence of acid rain on leaching and hydraulic characteristics of cement-based solidified/stabilized lead contaminated clay. Journal of Hazardous Materials, 225-22. pp. 195-201. ISSN 0304-3894

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Abstract

Remediation of contaminated lands in China urban areas is of great concern. Degradation of construction facilities caused by acid rain is a serious environmental pollution issue in China. This paper presents an investigation of the effects of acid rain on leaching and hydraulic properties of cement-based solidified/stabilized lead contaminated soil. Laboratory tests including infiltration test and soaking test are conducted. It is found that the soil hydraulic conductivity decreases with increase in the pore volume of flow of permeant liquids (acid rain and distilled water). The decreasing rate in the case of the acid rain is lower than that in the case of the distilled water. The soaking test results show that pH and the presence of sulfate ions of acid rain have considerable influence on the leached concentrations and leaching rate of calcium. © 2012 Elsevier B.V.

Item Type: Article
Uncontrolled Keywords: Acid Rain Aluminum Silicates Calcium Clay Construction Materials Environmental Restoration and Remediation Hydrogen-Ion Concentration Lead Soil Pollutants Sulfates Water Pollutants, Chemical
Subjects: UNSPECIFIED
Divisions: Div D > Geotechnical and Environmental
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 18:57
Last Modified: 27 Oct 2020 06:37
DOI: 10.1016/j.jhazmat.2012.04.072