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Biological manganese removal from acid mine drainage in constructed wetlands and prototype bioreactors
Mine drainage waters vary considerably in the range and concentration of heavy metals they contain. Besides iron, manganese is frequently present at elevated concentrations in waters draining both coal and metal mines. Passive treatment systems (aerobic wetlands and compost bioreactors) are designed...
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| Published in: | The Science of the total environment 2005-02, Vol.338 (1), p.115-124 |
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| creator | Hallberg, Kevin B. Johnson, D. Barrie |
| description | Mine drainage waters vary considerably in the range and concentration of heavy metals they contain. Besides iron, manganese is frequently present at elevated concentrations in waters draining both coal and metal mines. Passive treatment systems (aerobic wetlands and compost bioreactors) are designed to remove iron by biologically induced oxidation/precipitation. Manganese, however, is problematic as it does not readily form sulfidic minerals and requires elevated pH (>8) for abiotic oxidation of Mn (II) to insoluble Mn (IV). As a result, manganese removal in passive remediation systems is often less effective than removal of iron. This was found to be the case at the pilot passive treatment plant (PPTP) constructed to treat water draining the former Wheal Jane tin mine in Cornwall, UK, where effective removal of manganese occurred only in one of the three rock filter components of the composite systems over a 1-year period of monitoring. Water in the two rock filter systems where manganese removal was relatively poor was generally |
| doi_str_mv | 10.1016/j.scitotenv.2004.09.011 |
| format | article |
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Barrie</creator><creatorcontrib>Hallberg, Kevin B. ; Johnson, D. Barrie</creatorcontrib><description>Mine drainage waters vary considerably in the range and concentration of heavy metals they contain. Besides iron, manganese is frequently present at elevated concentrations in waters draining both coal and metal mines. Passive treatment systems (aerobic wetlands and compost bioreactors) are designed to remove iron by biologically induced oxidation/precipitation. Manganese, however, is problematic as it does not readily form sulfidic minerals and requires elevated pH (>8) for abiotic oxidation of Mn (II) to insoluble Mn (IV). As a result, manganese removal in passive remediation systems is often less effective than removal of iron. This was found to be the case at the pilot passive treatment plant (PPTP) constructed to treat water draining the former Wheal Jane tin mine in Cornwall, UK, where effective removal of manganese occurred only in one of the three rock filter components of the composite systems over a 1-year period of monitoring. Water in the two rock filter systems where manganese removal was relatively poor was generally <pH 5, whereas it was significantly higher (∼pH 7) in the third (effective) system. These differences in water chemistry and manganese removal were due to variable performances in the compost bioreactors that feed the rock filter units in the composite passive systems at Wheal Jane. An alternative approach for removing soluble manganese from mine waters, using fixed bed bioreactors, was developed. Ferromanganese nodules (about 2 cm diameter), collected from an abandoned mine adit in north Wales, were used to inoculate the bioreactors (working volume ca. 700 ml). Following colonization by manganese-oxidizing microbes, the aerated bioreactor catalysed the removal of soluble manganese, via oxidation of Mn (II) and precipitation of the resultant Mn (IV) in the bioreactor, in synthetic media and mine water from the Wheal Jane PPTP. Such an approach has potential application for removing soluble Mn from mine streams and other Mn-contaminated water courses.</description><identifier>ISSN: 0048-9697</identifier><identifier>EISSN: 1879-1026</identifier><identifier>DOI: 10.1016/j.scitotenv.2004.09.011</identifier><identifier>PMID: 15680632</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Acid mine drainage ; Bacteria - metabolism ; Bioreactors ; Bioremediation ; Ecosystem ; Environmental Microbiology ; Filtration ; Iron - metabolism ; Manganese ; Manganese - isolation & purification ; Manganese - metabolism ; Manganese-oxidizing bacteria ; Mining ; Oxidation-Reduction ; Pilot Projects ; United Kingdom ; Waste Management - methods ; Water Pollutants, Chemical - isolation & purification ; Water Pollutants, Chemical - metabolism ; Wetland ; Wheal Jane</subject><ispartof>The Science of the total environment, 2005-02, Vol.338 (1), p.115-124</ispartof><rights>2004 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c400t-5b0082e0d78c4fa813fcf44b73f93f803dddc947437ca0b19bff22cf2eedfcbc3</citedby><cites>FETCH-LOGICAL-c400t-5b0082e0d78c4fa813fcf44b73f93f803dddc947437ca0b19bff22cf2eedfcbc3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/15680632$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Hallberg, Kevin B.</creatorcontrib><creatorcontrib>Johnson, D. Barrie</creatorcontrib><title>Biological manganese removal from acid mine drainage in constructed wetlands and prototype bioreactors</title><title>The Science of the total environment</title><addtitle>Sci Total Environ</addtitle><description>Mine drainage waters vary considerably in the range and concentration of heavy metals they contain. Besides iron, manganese is frequently present at elevated concentrations in waters draining both coal and metal mines. Passive treatment systems (aerobic wetlands and compost bioreactors) are designed to remove iron by biologically induced oxidation/precipitation. Manganese, however, is problematic as it does not readily form sulfidic minerals and requires elevated pH (>8) for abiotic oxidation of Mn (II) to insoluble Mn (IV). As a result, manganese removal in passive remediation systems is often less effective than removal of iron. This was found to be the case at the pilot passive treatment plant (PPTP) constructed to treat water draining the former Wheal Jane tin mine in Cornwall, UK, where effective removal of manganese occurred only in one of the three rock filter components of the composite systems over a 1-year period of monitoring. Water in the two rock filter systems where manganese removal was relatively poor was generally <pH 5, whereas it was significantly higher (∼pH 7) in the third (effective) system. These differences in water chemistry and manganese removal were due to variable performances in the compost bioreactors that feed the rock filter units in the composite passive systems at Wheal Jane. An alternative approach for removing soluble manganese from mine waters, using fixed bed bioreactors, was developed. Ferromanganese nodules (about 2 cm diameter), collected from an abandoned mine adit in north Wales, were used to inoculate the bioreactors (working volume ca. 700 ml). Following colonization by manganese-oxidizing microbes, the aerated bioreactor catalysed the removal of soluble manganese, via oxidation of Mn (II) and precipitation of the resultant Mn (IV) in the bioreactor, in synthetic media and mine water from the Wheal Jane PPTP. Such an approach has potential application for removing soluble Mn from mine streams and other Mn-contaminated water courses.</description><subject>Acid mine drainage</subject><subject>Bacteria - metabolism</subject><subject>Bioreactors</subject><subject>Bioremediation</subject><subject>Ecosystem</subject><subject>Environmental Microbiology</subject><subject>Filtration</subject><subject>Iron - metabolism</subject><subject>Manganese</subject><subject>Manganese - isolation & purification</subject><subject>Manganese - metabolism</subject><subject>Manganese-oxidizing bacteria</subject><subject>Mining</subject><subject>Oxidation-Reduction</subject><subject>Pilot Projects</subject><subject>United Kingdom</subject><subject>Waste Management - methods</subject><subject>Water Pollutants, Chemical - isolation & purification</subject><subject>Water Pollutants, Chemical - metabolism</subject><subject>Wetland</subject><subject>Wheal Jane</subject><issn>0048-9697</issn><issn>1879-1026</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNqFkEFv3CAQhVGVqNmm_Qstp9zsDrZj42MSJWmlSL20Z4SHYcXKhi2wG-Xfh9WukmM4gDS8efPmY-yHgFqA6H9u6oQuh0x-XzcAXQ1jDUJ8Yishh7ES0PRnbFU-ZDX243DBvqS0gXIGKT6zC3HdS-jbZsXsrQtzWDvUM1-0X2tPiXikJexLxcawcI3O8MV54iZq5_WauPMcg0857jCT4c-UZ-1N4uXi2xhKsJct8cmFSBpziOkrO7d6TvTt9F6yfw_3f-9-VU9_Hn_f3TxV2AHk6noCkA2BGSR2VkvRWrRdNw2tHVsroTXG4NgNXTughkmMk7VNg7YhMhYnbC_Z1dG3pPi_o5TV4hLSXOJR2CUleiH7BroiHI5CjCGlSFZto1t0fFEC1AGx2qg3xOqAWMGoCuLS-f00YjctZN77TkyL4OYooLLo3lE8GJFHMi4SZmWC-3DIK4OWlTs</recordid><startdate>20050201</startdate><enddate>20050201</enddate><creator>Hallberg, Kevin B.</creator><creator>Johnson, D. 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Manganese, however, is problematic as it does not readily form sulfidic minerals and requires elevated pH (>8) for abiotic oxidation of Mn (II) to insoluble Mn (IV). As a result, manganese removal in passive remediation systems is often less effective than removal of iron. This was found to be the case at the pilot passive treatment plant (PPTP) constructed to treat water draining the former Wheal Jane tin mine in Cornwall, UK, where effective removal of manganese occurred only in one of the three rock filter components of the composite systems over a 1-year period of monitoring. Water in the two rock filter systems where manganese removal was relatively poor was generally <pH 5, whereas it was significantly higher (∼pH 7) in the third (effective) system. These differences in water chemistry and manganese removal were due to variable performances in the compost bioreactors that feed the rock filter units in the composite passive systems at Wheal Jane. An alternative approach for removing soluble manganese from mine waters, using fixed bed bioreactors, was developed. Ferromanganese nodules (about 2 cm diameter), collected from an abandoned mine adit in north Wales, were used to inoculate the bioreactors (working volume ca. 700 ml). Following colonization by manganese-oxidizing microbes, the aerated bioreactor catalysed the removal of soluble manganese, via oxidation of Mn (II) and precipitation of the resultant Mn (IV) in the bioreactor, in synthetic media and mine water from the Wheal Jane PPTP. Such an approach has potential application for removing soluble Mn from mine streams and other Mn-contaminated water courses.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>15680632</pmid><doi>10.1016/j.scitotenv.2004.09.011</doi><tpages>10</tpages></addata></record> |
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| source | ScienceDirect Freedom Collection 2022-2024 |
| subjects | Acid mine drainage Bacteria - metabolism Bioreactors Bioremediation Ecosystem Environmental Microbiology Filtration Iron - metabolism Manganese Manganese - isolation & purification Manganese - metabolism Manganese-oxidizing bacteria Mining Oxidation-Reduction Pilot Projects United Kingdom Waste Management - methods Water Pollutants, Chemical - isolation & purification Water Pollutants, Chemical - metabolism Wetland Wheal Jane |
| title | Biological manganese removal from acid mine drainage in constructed wetlands and prototype bioreactors |
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