{"id":{"repo_id":"wvu","oai_identifier":"oai:researchrepository.wvu.edu:etd-2254"},"canonical_url":"https://search.dev.ndltd.org/etd/wvu/oai:researchrepository.wvu.edu:etd-2254","repository":{"repo_id":"wvu","name":"West Virginia University","base_url":"https://researchrepository.wvu.edu/do/oai/"},"display":{"title":"Fine particle flotation for Florida dolomitic phosphate pebbles","abstract":"A Florida dolomitic phosphate pebble sample was processed using a 1.2 liter stirrer-tank flotation cell and 2-in ID packed flotation column aiming at achieving a phosphate concentrate containing more than 30% P2O 5 and less than 1.0% MgO contents at high P2O5 recovery.;The characteristics of fatty acid collector, FA-12 and a newly developed PA-31 collector were evaluated for frothability and dolomite flotation rate. The evaluation results show that both reagents have high frothability, but PA-31 has much stronger frothability than FA-12, and higher selectivity in separating dolomite from phosphate mineral.;The mineralogical study indicates that the phosphate pebble sample needs to be ground to minus 150 mum (-100 mesh) for liberation of dolomite from phosphate. For the stirrer-tank cell, the composite phosphate concentrate has 31.66% P2O5 and 0.79% MgO at the overall P 2O5 recovery of 92%. For packed column flotation, the composite phosphate concentrate has 30% P2O5 and 0.96% MgO at the overall P2O5 recovery of 91%.","abstract_html":"A Florida dolomitic phosphate pebble sample was processed using a 1.2 liter stirrer-tank flotation cell and 2-in ID packed flotation column aiming at achieving a phosphate concentrate containing more than 30% P2O 5 and less than 1.0% MgO contents at high P2O5 recovery.;The characteristics of fatty acid collector, FA-12 and a newly developed PA-31 collector were evaluated for frothability and dolomite flotation rate. The evaluation results show that both reagents have high frothability, but PA-31 has much stronger frothability than FA-12, and higher selectivity in separating dolomite from phosphate mineral.;The mineralogical study indicates that the phosphate pebble sample needs to be ground to minus 150 mum (-100 mesh) for liberation of dolomite from phosphate. For the stirrer-tank cell, the composite phosphate concentrate has 31.66% P2O5 and 0.79% MgO at the overall P 2O5 recovery of 92%. For packed column flotation, the composite phosphate concentrate has 30% P2O5 and 0.96% MgO at the overall P2O5 recovery of 91%.","abstract_has_math":false,"creators":["Gu, Zhengxing"],"institution":null,"degree_name":"MS","degree_level":"Thesis","degree_discipline":"Mining Engineering","degree_department":null,"school":null,"contributors":["Felicia F. Peng."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2002,"date_issued":"2002-08-01T07:00:00Z","date_published":"2002-08-01T07:00:00Z","updated_at":"2026-07-24T06:15:31Z","subjects":["Mining engineering"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["https://researchrepository.wvu.edu/etd/1251"],"render_values":[{"text":"https://researchrepository.wvu.edu/etd/1251","href":"https://researchrepository.wvu.edu/etd/1251","code":true}]}]},"links":{"outbound_url":"https://doi.org/10.33915/etd.1251","outbound_label":"DOI","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Felicia F. Peng."]},{"key":"dc:creator","label":"Author","values":["Gu, Zhengxing"]}]},{"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":["Mining 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":["Mining engineering"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://doi.org/10.33915/etd.1251","https://researchrepository.wvu.edu/etd/1251"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["A Florida dolomitic phosphate pebble sample was processed using a 1.2 liter stirrer-tank flotation cell and 2-in ID packed flotation column aiming at achieving a phosphate concentrate containing more than 30% P2O 5 and less than 1.0% MgO contents at high P2O5 recovery.;The characteristics of fatty acid collector, FA-12 and a newly developed PA-31 collector were evaluated for frothability and dolomite flotation rate. The evaluation results show that both reagents have high frothability, but PA-31 has much stronger frothability than FA-12, and higher selectivity in separating dolomite from phosphate mineral.;The mineralogical study indicates that the phosphate pebble sample needs to be ground to minus 150 mum (-100 mesh) for liberation of dolomite from phosphate. For the stirrer-tank cell, the composite phosphate concentrate has 31.66% P2O5 and 0.79% MgO at the overall P 2O5 recovery of 92%. For packed column flotation, the composite phosphate concentrate has 30% P2O5 and 0.96% MgO at the overall P2O5 recovery of 91%."]},{"key":"dc:title","label":"Title","values":["Fine particle flotation for Florida dolomitic phosphate pebbles"]}]}],"canonical_facts":{"dc:contributor":["Felicia F. Peng."],"dc:creator":["Gu, Zhengxing"],"dc:date.available":["2019-01-17T08:00:00Z"],"dc:description.abstract":["A Florida dolomitic phosphate pebble sample was processed using a 1.2 liter stirrer-tank flotation cell and 2-in ID packed flotation column aiming at achieving a phosphate concentrate containing more than 30% P2O 5 and less than 1.0% MgO contents at high P2O5 recovery.;The characteristics of fatty acid collector, FA-12 and a newly developed PA-31 collector were evaluated for frothability and dolomite flotation rate. The evaluation results show that both reagents have high frothability, but PA-31 has much stronger frothability than FA-12, and higher selectivity in separating dolomite from phosphate mineral.;The mineralogical study indicates that the phosphate pebble sample needs to be ground to minus 150 mum (-100 mesh) for liberation of dolomite from phosphate. For the stirrer-tank cell, the composite phosphate concentrate has 31.66% P2O5 and 0.79% MgO at the overall P 2O5 recovery of 92%. For packed column flotation, the composite phosphate concentrate has 30% P2O5 and 0.96% MgO at the overall P2O5 recovery of 91%."],"dc:identifier":["https://doi.org/10.33915/etd.1251","https://researchrepository.wvu.edu/etd/1251"],"dc:subject":["Mining engineering"],"dc:title":["Fine particle flotation for Florida dolomitic phosphate pebbles"],"thesis:degree_discipline":["Mining Engineering"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["MS"]},"updated_at":"2026-07-24T06:15:31Z"}