In situ treatment of arsenic contaminated soil from a hazardous industrial site: Laboratory studies

Janick F. Artiola; David Zabcik; Sidney H. Johnson

doi:10.1016/0956-053X(90)90072-S

In situ treatment of arsenic contaminated soil from a hazardous industrial site: Laboratory studies

Janick F. Artiola, David Zabcik, Sidney H. Johnson

Environmental Science, Research

Research output: Contribution to journal › Article › peer-review

29 Scopus citations

Abstract

Some industrial sites have contaminated surface soils with arsenic (As) concentrations significantly above those that can be stabilized through natural soil mechanisms. A review of the chemistry of arsenic in the soil environment indicates that is possible to stabilized this element by reacting it with amorphous iron oxides. The addition of ferrous sulfate proved to be effective in reducing water-soluble As and its leachability in arsenic-contaminated soil from a pesticide manufacturing industrial site. Soil samples containing up to 4.2% total As, and more than 2.5 g L^-1 water soluble and readily leachable As, had these As forms significantly reduced after just three 24-hour wet-dry cycles. The efficiency and potential reversibility of this treatment under extreme field conditions remains to be tested.

Original language	English (US)
Pages (from-to)	73-78
Number of pages	6
Journal	Waste Management
Volume	10
Issue number	1
DOIs	https://doi.org/10.1016/0956-053X(90)90072-S
State	Published - 1990

ASJC Scopus subject areas

Waste Management and Disposal

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abstract = "Some industrial sites have contaminated surface soils with arsenic (As) concentrations significantly above those that can be stabilized through natural soil mechanisms. A review of the chemistry of arsenic in the soil environment indicates that is possible to stabilized this element by reacting it with amorphous iron oxides. The addition of ferrous sulfate proved to be effective in reducing water-soluble As and its leachability in arsenic-contaminated soil from a pesticide manufacturing industrial site. Soil samples containing up to 4.2% total As, and more than 2.5 g L-1 water soluble and readily leachable As, had these As forms significantly reduced after just three 24-hour wet-dry cycles. The efficiency and potential reversibility of this treatment under extreme field conditions remains to be tested.",

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AB - Some industrial sites have contaminated surface soils with arsenic (As) concentrations significantly above those that can be stabilized through natural soil mechanisms. A review of the chemistry of arsenic in the soil environment indicates that is possible to stabilized this element by reacting it with amorphous iron oxides. The addition of ferrous sulfate proved to be effective in reducing water-soluble As and its leachability in arsenic-contaminated soil from a pesticide manufacturing industrial site. Soil samples containing up to 4.2% total As, and more than 2.5 g L-1 water soluble and readily leachable As, had these As forms significantly reduced after just three 24-hour wet-dry cycles. The efficiency and potential reversibility of this treatment under extreme field conditions remains to be tested.

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In situ treatment of arsenic contaminated soil from a hazardous industrial site: Laboratory studies

Abstract

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