The natural attenuation of two acidic effluents in Tharsis and La Zarza-Perrunal mines (Iberian Pyrite Belt, Huelva, Spain)
The geochemical evolution of two acid mine effluents in Tharsis and La Zarza-Perrunal mines (Iberian Pyrite Belt, Huelva, Spain) has been investigated. In origin, these waters present a low pH (2.2 and 3.1) and high concentrations of dissolved sulphate and metals (Fe, Al, Mn, Cu, Zn, As, Cd, Co, Cr,...
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| Veröffentlicht in: | Environmental earth sciences 2005-12, Vol.49 (2), p.253-266 |
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| creator | SANCHEZ ESPANA, Javier LOPEZ PAMO, Enrique SANTOFIMIA PASTOR, Esther REYES ANDRES, Jesus RUBI, Juan Antonio Martin |
| description | The geochemical evolution of two acid mine effluents in Tharsis and La Zarza-Perrunal mines (Iberian Pyrite Belt, Huelva, Spain) has been investigated. In origin, these waters present a low pH (2.2 and 3.1) and high concentrations of dissolved sulphate and metals (Fe, Al, Mn, Cu, Zn, As, Cd, Co, Cr, Ni). However, the natural evolution of these acidic waters (which includes the bacterial oxidation of Fe(II) and the subsequent precipitation of Fe(III) minerals) represents an efficient mechanism of attenuation. This self-mitigating process is evidenced by the formation of schwertmannite, which retains most of the iron load and, by sorption, toxic trace elements like As. The later mixing with pristine waters rises the pH and favours the total precipitation of Fe(III) at pH 3.5 and, subsequently, Al compounds at pH 4.5, along with the sorption of trace metals (Mn, Zn, Cu, Cd, Co, Ni) until chemical equilibrium at circumneutral conditions is achieved.[PUBLICATION ABSTRACT] |
| doi_str_mv | 10.1007/s00254-005-0083-2 |
| format | Article |
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In origin, these waters present a low pH (2.2 and 3.1) and high concentrations of dissolved sulphate and metals (Fe, Al, Mn, Cu, Zn, As, Cd, Co, Cr, Ni). However, the natural evolution of these acidic waters (which includes the bacterial oxidation of Fe(II) and the subsequent precipitation of Fe(III) minerals) represents an efficient mechanism of attenuation. This self-mitigating process is evidenced by the formation of schwertmannite, which retains most of the iron load and, by sorption, toxic trace elements like As. The later mixing with pristine waters rises the pH and favours the total precipitation of Fe(III) at pH 3.5 and, subsequently, Al compounds at pH 4.5, along with the sorption of trace metals (Mn, Zn, Cu, Cd, Co, Ni) until chemical equilibrium at circumneutral conditions is achieved.[PUBLICATION ABSTRACT]</description><identifier>ISSN: 0943-0105</identifier><identifier>ISSN: 1866-6280</identifier><identifier>EISSN: 1432-0495</identifier><identifier>EISSN: 1866-6299</identifier><identifier>DOI: 10.1007/s00254-005-0083-2</identifier><language>eng</language><publisher>Berlin: Springer</publisher><subject>Cadmium ; Copper ; Earth sciences ; Earth, ocean, space ; Engineering and environment geology. 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Geothermics</topic><topic>Exact sciences and technology</topic><topic>Geochemistry</topic><topic>Iron</topic><topic>Metal concentrations</topic><topic>Mineralogy</topic><topic>Mines</topic><topic>Natural attenuation</topic><topic>Pollution, environment geology</topic><topic>Pyrite</topic><topic>Silicates</topic><topic>Sorption</topic><topic>Trace elements</topic><topic>Trace metals</topic><topic>Water geochemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>SANCHEZ ESPANA, Javier</creatorcontrib><creatorcontrib>LOPEZ PAMO, Enrique</creatorcontrib><creatorcontrib>SANTOFIMIA PASTOR, Esther</creatorcontrib><creatorcontrib>REYES ANDRES, Jesus</creatorcontrib><creatorcontrib>RUBI, Juan Antonio Martin</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Environment Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>ProQuest Central Student</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>SciTech Premium Collection</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>ProQuest Science Journals</collection><collection>Environmental Science Database</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><collection>Environment Abstracts</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Pollution Abstracts</collection><collection>Sustainability Science Abstracts</collection><jtitle>Environmental earth sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>SANCHEZ ESPANA, Javier</au><au>LOPEZ PAMO, Enrique</au><au>SANTOFIMIA PASTOR, Esther</au><au>REYES ANDRES, Jesus</au><au>RUBI, Juan Antonio Martin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The natural attenuation of two acidic effluents in Tharsis and La Zarza-Perrunal mines (Iberian Pyrite Belt, Huelva, Spain)</atitle><jtitle>Environmental earth sciences</jtitle><date>2005-12-01</date><risdate>2005</risdate><volume>49</volume><issue>2</issue><spage>253</spage><epage>266</epage><pages>253-266</pages><issn>0943-0105</issn><issn>1866-6280</issn><eissn>1432-0495</eissn><eissn>1866-6299</eissn><abstract>The geochemical evolution of two acid mine effluents in Tharsis and La Zarza-Perrunal mines (Iberian Pyrite Belt, Huelva, Spain) has been investigated. In origin, these waters present a low pH (2.2 and 3.1) and high concentrations of dissolved sulphate and metals (Fe, Al, Mn, Cu, Zn, As, Cd, Co, Cr, Ni). However, the natural evolution of these acidic waters (which includes the bacterial oxidation of Fe(II) and the subsequent precipitation of Fe(III) minerals) represents an efficient mechanism of attenuation. This self-mitigating process is evidenced by the formation of schwertmannite, which retains most of the iron load and, by sorption, toxic trace elements like As. The later mixing with pristine waters rises the pH and favours the total precipitation of Fe(III) at pH 3.5 and, subsequently, Al compounds at pH 4.5, along with the sorption of trace metals (Mn, Zn, Cu, Cd, Co, Ni) until chemical equilibrium at circumneutral conditions is achieved.[PUBLICATION ABSTRACT]</abstract><cop>Berlin</cop><pub>Springer</pub><doi>10.1007/s00254-005-0083-2</doi><tpages>14</tpages></addata></record> |
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| subjects | Cadmium Copper Earth sciences Earth, ocean, space Engineering and environment geology. Geothermics Exact sciences and technology Geochemistry Iron Metal concentrations Mineralogy Mines Natural attenuation Pollution, environment geology Pyrite Silicates Sorption Trace elements Trace metals Water geochemistry |
| title | The natural attenuation of two acidic effluents in Tharsis and La Zarza-Perrunal mines (Iberian Pyrite Belt, Huelva, Spain) |
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