{"id":{"repo_id":"wvu","oai_identifier":"oai:researchrepository.wvu.edu:etd-2591"},"canonical_url":"https://search.dev.ndltd.org/etd/wvu/oai:researchrepository.wvu.edu:etd-2591","repository":{"repo_id":"wvu","name":"West Virginia University","base_url":"https://researchrepository.wvu.edu/do/oai/"},"display":{"title":"Bioleaching and electrobioleaching of sulfide minerals","abstract":"Chalcopyrite, sphalerite, and pyrite, were leached using a bioleaching mode and an electrobioleaching mode. The former mode was used to teach the minerals with the bacterium A. ferrooxidans in a bioreactor. In the latter mode, the leaching of the minerals was performed in a combination of a bioreactor and an electrochemical cell. The idea is that an increase in Fe(II) concentration, which is a nutrient of the bacteria, by electrochemical reduction of Fe(III) would increase the bacterial population and in turn would accelerate the leaching of the mineral.;It has been found that the electrobioleaching of chalcopyrite and pyrite is superior to the bioleaching in particular with respect to the fact that leaching conversion is higher and a high level of Fe(II) can be maintained. However, the electrobioleaching of sphalerite does not show an improvement over bioleaching.","abstract_html":"Chalcopyrite, sphalerite, and pyrite, were leached using a bioleaching mode and an electrobioleaching mode. The former mode was used to teach the minerals with the bacterium A. ferrooxidans in a bioreactor. In the latter mode, the leaching of the minerals was performed in a combination of a bioreactor and an electrochemical cell. The idea is that an increase in Fe(II) concentration, which is a nutrient of the bacteria, by electrochemical reduction of Fe(III) would increase the bacterial population and in turn would accelerate the leaching of the mineral.;It has been found that the electrobioleaching of chalcopyrite and pyrite is superior to the bioleaching in particular with respect to the fact that leaching conversion is higher and a high level of Fe(II) can be maintained. However, the electrobioleaching of sphalerite does not show an improvement over bioleaching.","abstract_has_math":false,"creators":["Conner, Brian D."],"institution":null,"degree_name":"MS","degree_level":"Thesis","degree_discipline":"Chemical and Biomedical Engineering","degree_department":null,"school":null,"contributors":["Eung Ha Cho."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2005,"date_issued":"2005-05-01T07:00:00Z","date_published":"2005-05-01T07:00:00Z","updated_at":"2026-07-24T06:15:55Z","subjects":["Chemical engineering"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["https://researchrepository.wvu.edu/etd/1588"],"render_values":[{"text":"https://researchrepository.wvu.edu/etd/1588","href":"https://researchrepository.wvu.edu/etd/1588","code":true}]}]},"links":{"outbound_url":"https://doi.org/10.33915/etd.1588","outbound_label":"DOI","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Eung Ha Cho."]},{"key":"dc:creator","label":"Author","values":["Conner, Brian D."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.available","label":"Dc Date Available","values":["2019-01-17T08:00:00Z"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Chemical and Biomedical Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["MS"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Chemical engineering"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://doi.org/10.33915/etd.1588","https://researchrepository.wvu.edu/etd/1588"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Chalcopyrite, sphalerite, and pyrite, were leached using a bioleaching mode and an electrobioleaching mode. The former mode was used to teach the minerals with the bacterium A. ferrooxidans in a bioreactor. In the latter mode, the leaching of the minerals was performed in a combination of a bioreactor and an electrochemical cell. The idea is that an increase in Fe(II) concentration, which is a nutrient of the bacteria, by electrochemical reduction of Fe(III) would increase the bacterial population and in turn would accelerate the leaching of the mineral.;It has been found that the electrobioleaching of chalcopyrite and pyrite is superior to the bioleaching in particular with respect to the fact that leaching conversion is higher and a high level of Fe(II) can be maintained. However, the electrobioleaching of sphalerite does not show an improvement over bioleaching."]},{"key":"dc:title","label":"Title","values":["Bioleaching and electrobioleaching of sulfide minerals"]}]}],"canonical_facts":{"dc:contributor":["Eung Ha Cho."],"dc:creator":["Conner, Brian D."],"dc:date.available":["2019-01-17T08:00:00Z"],"dc:description.abstract":["Chalcopyrite, sphalerite, and pyrite, were leached using a bioleaching mode and an electrobioleaching mode. The former mode was used to teach the minerals with the bacterium A. ferrooxidans in a bioreactor. In the latter mode, the leaching of the minerals was performed in a combination of a bioreactor and an electrochemical cell. The idea is that an increase in Fe(II) concentration, which is a nutrient of the bacteria, by electrochemical reduction of Fe(III) would increase the bacterial population and in turn would accelerate the leaching of the mineral.;It has been found that the electrobioleaching of chalcopyrite and pyrite is superior to the bioleaching in particular with respect to the fact that leaching conversion is higher and a high level of Fe(II) can be maintained. However, the electrobioleaching of sphalerite does not show an improvement over bioleaching."],"dc:identifier":["https://doi.org/10.33915/etd.1588","https://researchrepository.wvu.edu/etd/1588"],"dc:subject":["Chemical engineering"],"dc:title":["Bioleaching and electrobioleaching of sulfide minerals"],"thesis:degree_discipline":["Chemical and Biomedical Engineering"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["MS"]},"updated_at":"2026-07-24T06:15:55Z"}