Study of Ni sorption onto Tio mine waste rock surfaces
Identifieur interne : 000A46 ( Main/Exploration ); précédent : 000A45; suivant : 000A47Study of Ni sorption onto Tio mine waste rock surfaces
Auteurs : B. Plante [Canada] ; M. Benzaazoua [Canada] ; B. Bussiere [Canada] ; M. C. Biesinger [Canada] ; A. R. Pratt [Canada]Source :
- Applied geochemistry [ 0883-2927 ] ; 2010.
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- Pascal (Inist)
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- topic : Fer, Titane, Interprétation.
English descriptors
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Abstract
Sorption phenomena are known to play significant roles in metal mobility in mine drainage waters. The present study focuses on sorption phenomena controlling Ni concentrations in contaminated neutral drainage issued from the waste rock piles of the Tio mine, a hematite-ilmenite deposit near Havre-Saint-Pierre, Québec, Canada exploited by Rio Tinto Iron and Titanium. Batch sorption tests were conducted on waste rock samples of different composition and degree of alteration, as well as on the main mineral phases purified from the waste rocks. Sorbed phases were submitted to sequential extractions, XPS and DRIFT studies for further interpretation of sorption phenomena. The results from the present study confirm that sorption phenomena play a significant role in the Tio mine waste rocks, and that the main sorbent phases are the residual ilmenite ore in waste rocks, as well as plagioclase, the main gangue mineral. Sequential extractions suggest that most sorption sites are associated with reducible fractions, and XPS results indicate that Ni is sorbed as the hydroxide Ni(OH)2. The results from the present study provide useful information on sorption phenomena involved in the Tio mine waste rocks and enable further interpretation of Ni geochemistry in contaminated neutral drainage.
Affiliations:
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Plante</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Université du Québec en Abitibi-Témiscamingue (UQAT), 445 boul. de l'Université, Rouyn-Noranda</s1><s2>Québec, J9X 5E4</s2><s3>CAN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Québec, J9X 5E4</wicri:noRegion></affiliation></author><author><name sortKey="Benzaazoua, M" sort="Benzaazoua, M" uniqKey="Benzaazoua M" first="M." last="Benzaazoua">M. Benzaazoua</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Université du Québec en Abitibi-Témiscamingue (UQAT), 445 boul. de l'Université, Rouyn-Noranda</s1><s2>Québec, J9X 5E4</s2><s3>CAN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Québec, J9X 5E4</wicri:noRegion></affiliation></author><author><name sortKey="Bussiere, B" sort="Bussiere, B" uniqKey="Bussiere B" first="B." last="Bussiere">B. Bussiere</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Université du Québec en Abitibi-Témiscamingue (UQAT), 445 boul. de l'Université, Rouyn-Noranda</s1><s2>Québec, J9X 5E4</s2><s3>CAN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Québec, J9X 5E4</wicri:noRegion></affiliation></author><author><name sortKey="Biesinger, M C" sort="Biesinger, M C" uniqKey="Biesinger M" first="M. C." last="Biesinger">M. C. Biesinger</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Surface Science Western, Room G-1, Western Science Center, University of Western Ontario</s1><s2>London, Ontario, N6A 5B7</s2><s3>CAN</s3><sZ>4 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>London, Ontario, N6A 5B7</wicri:noRegion></affiliation></author><author><name sortKey="Pratt, A R" sort="Pratt, A R" uniqKey="Pratt A" first="A. R." last="Pratt">A. R. Pratt</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Natural Resources Canada, CANMET, 555 Booth Street</s1><s2>Ottawa, Ontario, K1A 0G1</s2><s3>CAN</s3><sZ>5 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Ottawa, Ontario, K1A 0G1</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Applied geochemistry</title><title level="j" type="abbreviated">Appl. geochem.</title><idno type="ISSN">0883-2927</idno><imprint><date when="2010">2010</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Applied geochemistry</title><title level="j" type="abbreviated">Appl. geochem.</title><idno type="ISSN">0883-2927</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Mine drainage</term><term>Quebec</term><term>alteration</term><term>concentration</term><term>extraction</term><term>gangue</term><term>hematite</term><term>hydroxides</term><term>ilmenite</term><term>interpretation</term><term>iron</term><term>metals</term><term>mine drainage</term><term>mines</term><term>mobility</term><term>piles</term><term>plagioclase</term><term>sorption</term><term>titanium</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Sorption</term><term>Mine</term><term>Elément métallique</term><term>Mobilité</term><term>Drainage minier</term><term>Exhaure mine</term><term>Concentration</term><term>Pieu</term><term>Hematite</term><term>Ilmenite</term><term>Fer</term><term>Titane</term><term>Altération</term><term>Extraction</term><term>Interprétation</term><term>Plagioclase</term><term>Gangue</term><term>Hydroxyde</term><term>Québec</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Fer</term><term>Titane</term><term>Interprétation</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Sorption phenomena are known to play significant roles in metal mobility in mine drainage waters. The present study focuses on sorption phenomena controlling Ni concentrations in contaminated neutral drainage issued from the waste rock piles of the Tio mine, a hematite-ilmenite deposit near Havre-Saint-Pierre, Québec, Canada exploited by Rio Tinto Iron and Titanium. Batch sorption tests were conducted on waste rock samples of different composition and degree of alteration, as well as on the main mineral phases purified from the waste rocks. Sorbed phases were submitted to sequential extractions, XPS and DRIFT studies for further interpretation of sorption phenomena. The results from the present study confirm that sorption phenomena play a significant role in the Tio mine waste rocks, and that the main sorbent phases are the residual ilmenite ore in waste rocks, as well as plagioclase, the main gangue mineral. Sequential extractions suggest that most sorption sites are associated with reducible fractions, and XPS results indicate that Ni is sorbed as the hydroxide Ni(OH)<sub>2</sub>. The results from the present study provide useful information on sorption phenomena involved in the Tio mine waste rocks and enable further interpretation of Ni geochemistry in contaminated neutral drainage.</div></front></TEI><affiliations><list><country><li>Canada</li></country></list><tree><country name="Canada"><noRegion><name sortKey="Plante, B" sort="Plante, B" uniqKey="Plante B" first="B." last="Plante">B. Plante</name></noRegion><name sortKey="Benzaazoua, M" sort="Benzaazoua, M" uniqKey="Benzaazoua M" first="M." last="Benzaazoua">M. Benzaazoua</name><name sortKey="Biesinger, M C" sort="Biesinger, M C" uniqKey="Biesinger M" first="M. C." last="Biesinger">M. C. Biesinger</name><name sortKey="Bussiere, B" sort="Bussiere, B" uniqKey="Bussiere B" first="B." last="Bussiere">B. Bussiere</name><name sortKey="Pratt, A R" sort="Pratt, A R" uniqKey="Pratt A" first="A. R." last="Pratt">A. R. Pratt</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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