Remediation of Chromium-Containing Soils by Heap Leaching: Column Study
Efforts are being made to devise technologies and treatment systems to remediate contaminated soil on site without generating significant wastes for off-site disposal. Heap leaching, a technique used extensively in the mining industry, has been investigated as a method for remediation of hazardous m...
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| Veröffentlicht in: | Journal of environmental engineering (New York, N.Y.) N.Y.), 1993-09, Vol.119 (5), p.825-841 |
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| container_title | Journal of environmental engineering (New York, N.Y.) |
| container_volume | 119 |
| creator | Hanson, Adrian T Dwyer, Brian Samani, Zohrab A York, Don |
| description | Efforts are being made to devise technologies and treatment systems to remediate contaminated soil on site without generating significant wastes for off-site disposal. Heap leaching, a technique used extensively in the mining industry, has been investigated as a method for remediation of hazardous metal contamination of the vadose zone. In the mining industry, metal bearing ore is excavated and mounded on a pad. The metals are removed by passing a special leaching solution through the ore. In this study, the removal of Chromium (VI) from four New Mexico soils (sand, sandy loam, and clay) using heap leaching was evaluated at a column scale. The heap leaching study demonstrated greater than 99% removal of Cr(VI), using tap water as the leaching agent. The soils were typical of arid climate soils with low organic content ( |
| doi_str_mv | 10.1061/(ASCE)0733-9372(1993)119:5(825) |
| format | Article |
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Heap leaching, a technique used extensively in the mining industry, has been investigated as a method for remediation of hazardous metal contamination of the vadose zone. In the mining industry, metal bearing ore is excavated and mounded on a pad. The metals are removed by passing a special leaching solution through the ore. In this study, the removal of Chromium (VI) from four New Mexico soils (sand, sandy loam, and clay) using heap leaching was evaluated at a column scale. The heap leaching study demonstrated greater than 99% removal of Cr(VI), using tap water as the leaching agent. The soils were typical of arid climate soils with low organic content (<1%).</description><subject>540250 - Environment, Terrestrial- Site Resource & Use Studies- (1990-)</subject><subject>Applied sciences</subject><subject>CHROMIUM</subject><subject>CLEANING</subject><subject>DECONTAMINATION</subject><subject>Decontamination. 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Miscellaneous</topic><topic>DEVELOPED COUNTRIES</topic><topic>DISSOLUTION</topic><topic>ELEMENTS</topic><topic>ENVIRONMENTAL SCIENCES</topic><topic>Exact sciences and technology</topic><topic>INDUSTRY</topic><topic>LAND RECLAMATION</topic><topic>LEACHING</topic><topic>MANAGEMENT</topic><topic>MATERIALS RECOVERY</topic><topic>METALS</topic><topic>MINERAL INDUSTRY</topic><topic>NEW MEXICO</topic><topic>NORTH AMERICA</topic><topic>Pollution</topic><topic>PROCESSING</topic><topic>SEPARATION PROCESSES</topic><topic>Soil and sediments pollution</topic><topic>SOILS</topic><topic>TECHNICAL PAPERS</topic><topic>TRANSITION ELEMENTS</topic><topic>USA</topic><topic>WASTE MANAGEMENT</topic><topic>WASTE PROCESSING</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hanson, Adrian T</creatorcontrib><creatorcontrib>Dwyer, Brian</creatorcontrib><creatorcontrib>Samani, Zohrab A</creatorcontrib><creatorcontrib>York, Don</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aqualine</collection><collection>Pollution Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>OSTI.GOV</collection><jtitle>Journal of environmental engineering (New York, N.Y.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hanson, Adrian T</au><au>Dwyer, Brian</au><au>Samani, Zohrab A</au><au>York, Don</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Remediation of Chromium-Containing Soils by Heap Leaching: Column Study</atitle><jtitle>Journal of environmental engineering (New York, N.Y.)</jtitle><date>1993-09-01</date><risdate>1993</risdate><volume>119</volume><issue>5</issue><spage>825</spage><epage>841</epage><pages>825-841</pages><issn>0733-9372</issn><eissn>1943-7870</eissn><coden>JOEEDU</coden><abstract>Efforts are being made to devise technologies and treatment systems to remediate contaminated soil on site without generating significant wastes for off-site disposal. 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| ispartof | Journal of environmental engineering (New York, N.Y.), 1993-09, Vol.119 (5), p.825-841 |
| issn | 0733-9372 1943-7870 |
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| source | American Society of Civil Engineers:NESLI2:Journals:2014 |
| subjects | 540250 - Environment, Terrestrial- Site Resource & Use Studies- (1990-) Applied sciences CHROMIUM CLEANING DECONTAMINATION Decontamination. Miscellaneous DEVELOPED COUNTRIES DISSOLUTION ELEMENTS ENVIRONMENTAL SCIENCES Exact sciences and technology INDUSTRY LAND RECLAMATION LEACHING MANAGEMENT MATERIALS RECOVERY METALS MINERAL INDUSTRY NEW MEXICO NORTH AMERICA Pollution PROCESSING SEPARATION PROCESSES Soil and sediments pollution SOILS TECHNICAL PAPERS TRANSITION ELEMENTS USA WASTE MANAGEMENT WASTE PROCESSING |
| title | Remediation of Chromium-Containing Soils by Heap Leaching: Column Study |
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