A Numerical Multi-Component Reactive Model for Pyrite Oxidation and Pollutant Transportation in a Pyritic, Carbonate-Rich Coal Waste Pile in Northern Iran
A one-dimensional numerical finite volume model is presented to simulate pyrite oxidation and reactive transportation of the oxidation products in a pyritic, carbonate-rich, coal waste pile. The proposed model incorporates the shrinking core concept for describing pyrite oxidation, pyrite surface ar...
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| Veröffentlicht in: | Mine water and the environment 2014-06, Vol.33 (2), p.121-132 |
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| creator | Doulati Ardejani, Faramarz Jannesar Malakooti, Sajjad Ziaedin Shafaei, Seyed Shahhosseini, Majid |
| description | A one-dimensional numerical finite volume model is presented to simulate pyrite oxidation and reactive transportation of the oxidation products in a pyritic, carbonate-rich, coal waste pile. The proposed model incorporates the shrinking core concept for describing pyrite oxidation, pyrite surface area reduction, oxygen diffusion, and transport of the oxidation products through the waste pile. The model governing equations were solved using the PHOENICS computational fluid dynamics model. The accuracy of the model was verified with field data. Pyrite oxidation was more intense at shallower depths where oxygen decreased almost linearly from the pile surface to an approximate depth of 2 m. The lowest pH, 3.5, was predicted at a depth of 0.5 m. The waste pile has high neutralisation potential due to buffering by carbonate minerals. The maximum concentration of SO
4
2−
, 31.6 mol/m
3
, was predicted at an approximate depth of 4 m and to remain constant throughout the rest of waste profile. Simulation of a scenario with a cap shows that iron and sulphate was removed from the upper parts of the pile; their peak concentrations shifted downward due to dilution. Oxygen source removal limited iron and sulphate production. These results will be useful for developing an appropriate remediation scheme. |
| doi_str_mv | 10.1007/s10230-014-0275-7 |
| format | Article |
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4
2−
, 31.6 mol/m
3
, was predicted at an approximate depth of 4 m and to remain constant throughout the rest of waste profile. Simulation of a scenario with a cap shows that iron and sulphate was removed from the upper parts of the pile; their peak concentrations shifted downward due to dilution. Oxygen source removal limited iron and sulphate production. These results will be useful for developing an appropriate remediation scheme.</description><identifier>ISSN: 1025-9112</identifier><identifier>EISSN: 1616-1068</identifier><identifier>DOI: 10.1007/s10230-014-0275-7</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Acid mine drainage ; Carbonate minerals ; Carbonates ; Coal ; Coal mining ; Computational fluid dynamics ; Depth ; Dilution ; Earth and Environmental Science ; Earth Sciences ; Ecotoxicology ; Equations ; Fluid dynamics ; Geology ; Hydrodynamics ; Hydrogeology ; Industrial Pollution Prevention ; Iron ; Mathematical models ; Mine wastes ; Mineral Resources ; Model accuracy ; Oxidation ; Oxygen ; pH effects ; Piles ; Pyrite ; Simulation ; Sulfates ; Technical Article ; Transport ; Waste materials ; Wastes ; Water Quality/Water Pollution</subject><ispartof>Mine water and the environment, 2014-06, Vol.33 (2), p.121-132</ispartof><rights>Springer-Verlag Berlin Heidelberg 2014</rights><rights>Springer-Verlag Berlin Heidelberg 2014.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c279t-415cdbe752cba7747acced88c6dc0f888eb56f9f789ef26dff8f2716b8568a3c3</citedby><cites>FETCH-LOGICAL-c279t-415cdbe752cba7747acced88c6dc0f888eb56f9f789ef26dff8f2716b8568a3c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10230-014-0275-7$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10230-014-0275-7$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Doulati Ardejani, Faramarz</creatorcontrib><creatorcontrib>Jannesar Malakooti, Sajjad</creatorcontrib><creatorcontrib>Ziaedin Shafaei, Seyed</creatorcontrib><creatorcontrib>Shahhosseini, Majid</creatorcontrib><title>A Numerical Multi-Component Reactive Model for Pyrite Oxidation and Pollutant Transportation in a Pyritic, Carbonate-Rich Coal Waste Pile in Northern Iran</title><title>Mine water and the environment</title><addtitle>Mine Water Environ</addtitle><description>A one-dimensional numerical finite volume model is presented to simulate pyrite oxidation and reactive transportation of the oxidation products in a pyritic, carbonate-rich, coal waste pile. The proposed model incorporates the shrinking core concept for describing pyrite oxidation, pyrite surface area reduction, oxygen diffusion, and transport of the oxidation products through the waste pile. The model governing equations were solved using the PHOENICS computational fluid dynamics model. The accuracy of the model was verified with field data. Pyrite oxidation was more intense at shallower depths where oxygen decreased almost linearly from the pile surface to an approximate depth of 2 m. The lowest pH, 3.5, was predicted at a depth of 0.5 m. The waste pile has high neutralisation potential due to buffering by carbonate minerals. The maximum concentration of SO
4
2−
, 31.6 mol/m
3
, was predicted at an approximate depth of 4 m and to remain constant throughout the rest of waste profile. Simulation of a scenario with a cap shows that iron and sulphate was removed from the upper parts of the pile; their peak concentrations shifted downward due to dilution. Oxygen source removal limited iron and sulphate production. These results will be useful for developing an appropriate remediation scheme.</description><subject>Acid mine drainage</subject><subject>Carbonate minerals</subject><subject>Carbonates</subject><subject>Coal</subject><subject>Coal mining</subject><subject>Computational fluid dynamics</subject><subject>Depth</subject><subject>Dilution</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Ecotoxicology</subject><subject>Equations</subject><subject>Fluid dynamics</subject><subject>Geology</subject><subject>Hydrodynamics</subject><subject>Hydrogeology</subject><subject>Industrial Pollution Prevention</subject><subject>Iron</subject><subject>Mathematical models</subject><subject>Mine wastes</subject><subject>Mineral Resources</subject><subject>Model accuracy</subject><subject>Oxidation</subject><subject>Oxygen</subject><subject>pH effects</subject><subject>Piles</subject><subject>Pyrite</subject><subject>Simulation</subject><subject>Sulfates</subject><subject>Technical Article</subject><subject>Transport</subject><subject>Waste materials</subject><subject>Wastes</subject><subject>Water Quality/Water Pollution</subject><issn>1025-9112</issn><issn>1616-1068</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp1kU1rFTEUhgdRsFZ_gLuAGxdGk9zJxyzLYLXQj0upuAyZzIlNyU2uSUbsX_HXmmFciOAqgfM8bw55u-41Je8pIfJDoYTtCCa0x4RJjuWT7oQKKjAlQj1td8I4Hihlz7sXpTwQQqVg_KT7dYaulwNkb01AV0uoHo_pcEwRYkW3YGz1PwBdpRkCcimj_WP2FdDNTz-b6lNEJs5on0JYqmnGXTaxHFOu29C3-aZ4-w6NJk8pmgr41tt7NKb25FdTWtzeB1jh62beQ47oouW87J45Ewq8-nOedl_OP96Nn_HlzaeL8ewSWyaHinvK7TyB5MxORspeGmthVsqK2RKnlIKJCzc4qQZwTMzOKcckFZPiQpmd3Z12b7fcY07fFyhVH3yxEIKJkJaiKe8J6wkf-oa--Qd9SEuObbtGMbF-MpONohtlcyolg9PH7A8mP2pK9NqW3trSrS29tqVXh21OaWz8Bvmv5P9KvwEaeplN</recordid><startdate>20140601</startdate><enddate>20140601</enddate><creator>Doulati Ardejani, Faramarz</creator><creator>Jannesar Malakooti, Sajjad</creator><creator>Ziaedin Shafaei, Seyed</creator><creator>Shahhosseini, Majid</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QH</scope><scope>7ST</scope><scope>7UA</scope><scope>7XB</scope><scope>88I</scope><scope>8C1</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>H97</scope><scope>HCIFZ</scope><scope>L.G</scope><scope>M2P</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>SOI</scope><scope>7TV</scope></search><sort><creationdate>20140601</creationdate><title>A Numerical Multi-Component Reactive Model for Pyrite Oxidation and Pollutant Transportation in a Pyritic, Carbonate-Rich Coal Waste Pile in Northern Iran</title><author>Doulati Ardejani, Faramarz ; Jannesar Malakooti, Sajjad ; Ziaedin Shafaei, Seyed ; Shahhosseini, Majid</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c279t-415cdbe752cba7747acced88c6dc0f888eb56f9f789ef26dff8f2716b8568a3c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Acid mine drainage</topic><topic>Carbonate minerals</topic><topic>Carbonates</topic><topic>Coal</topic><topic>Coal mining</topic><topic>Computational fluid dynamics</topic><topic>Depth</topic><topic>Dilution</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Ecotoxicology</topic><topic>Equations</topic><topic>Fluid dynamics</topic><topic>Geology</topic><topic>Hydrodynamics</topic><topic>Hydrogeology</topic><topic>Industrial Pollution Prevention</topic><topic>Iron</topic><topic>Mathematical models</topic><topic>Mine wastes</topic><topic>Mineral Resources</topic><topic>Model accuracy</topic><topic>Oxidation</topic><topic>Oxygen</topic><topic>pH effects</topic><topic>Piles</topic><topic>Pyrite</topic><topic>Simulation</topic><topic>Sulfates</topic><topic>Technical Article</topic><topic>Transport</topic><topic>Waste materials</topic><topic>Wastes</topic><topic>Water Quality/Water Pollution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Doulati Ardejani, Faramarz</creatorcontrib><creatorcontrib>Jannesar Malakooti, Sajjad</creatorcontrib><creatorcontrib>Ziaedin Shafaei, Seyed</creatorcontrib><creatorcontrib>Shahhosseini, Majid</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Aqualine</collection><collection>Environment Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>Public Health Database</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>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>SciTech Premium Collection</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Science Database</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>Pollution Abstracts</collection><jtitle>Mine water and the environment</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Doulati Ardejani, Faramarz</au><au>Jannesar Malakooti, Sajjad</au><au>Ziaedin Shafaei, Seyed</au><au>Shahhosseini, Majid</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Numerical Multi-Component Reactive Model for Pyrite Oxidation and Pollutant Transportation in a Pyritic, Carbonate-Rich Coal Waste Pile in Northern Iran</atitle><jtitle>Mine water and the environment</jtitle><stitle>Mine Water Environ</stitle><date>2014-06-01</date><risdate>2014</risdate><volume>33</volume><issue>2</issue><spage>121</spage><epage>132</epage><pages>121-132</pages><issn>1025-9112</issn><eissn>1616-1068</eissn><abstract>A one-dimensional numerical finite volume model is presented to simulate pyrite oxidation and reactive transportation of the oxidation products in a pyritic, carbonate-rich, coal waste pile. The proposed model incorporates the shrinking core concept for describing pyrite oxidation, pyrite surface area reduction, oxygen diffusion, and transport of the oxidation products through the waste pile. The model governing equations were solved using the PHOENICS computational fluid dynamics model. The accuracy of the model was verified with field data. Pyrite oxidation was more intense at shallower depths where oxygen decreased almost linearly from the pile surface to an approximate depth of 2 m. The lowest pH, 3.5, was predicted at a depth of 0.5 m. The waste pile has high neutralisation potential due to buffering by carbonate minerals. The maximum concentration of SO
4
2−
, 31.6 mol/m
3
, was predicted at an approximate depth of 4 m and to remain constant throughout the rest of waste profile. Simulation of a scenario with a cap shows that iron and sulphate was removed from the upper parts of the pile; their peak concentrations shifted downward due to dilution. Oxygen source removal limited iron and sulphate production. These results will be useful for developing an appropriate remediation scheme.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s10230-014-0275-7</doi><tpages>12</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1025-9112 |
| ispartof | Mine water and the environment, 2014-06, Vol.33 (2), p.121-132 |
| issn | 1025-9112 1616-1068 |
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| source | SpringerLink Journals - AutoHoldings |
| subjects | Acid mine drainage Carbonate minerals Carbonates Coal Coal mining Computational fluid dynamics Depth Dilution Earth and Environmental Science Earth Sciences Ecotoxicology Equations Fluid dynamics Geology Hydrodynamics Hydrogeology Industrial Pollution Prevention Iron Mathematical models Mine wastes Mineral Resources Model accuracy Oxidation Oxygen pH effects Piles Pyrite Simulation Sulfates Technical Article Transport Waste materials Wastes Water Quality/Water Pollution |
| title | A Numerical Multi-Component Reactive Model for Pyrite Oxidation and Pollutant Transportation in a Pyritic, Carbonate-Rich Coal Waste Pile in Northern Iran |
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