Pyrite depression by sodium metabisulfite and dextrin with xanthates: contact angle, floatability, zeta potential and IR spectroscopy studies

• Autorzy: Corona-Arroyo Mario Alberto , López-Frías Karen , Solorzano Karen , Echeveste Cristina , Salazar-Hernández Ma Mercedes , Pineda-Urbina Kayim , Yang Bingqiao

Identyfikatory

DOI

10.37190/ppmp/197068

• Języki publikacji: EN

Abstrakty

EN

The individual and combined depressive action of metabisulfite and dextrin on pyrite in the presence and absence of amyl xanthate has been studied through contact angle, zeta potential, microflotation, and IR spectroscopy analyses. The combined application of depressants significantly reduces the contact angle of pyrite compared with that of galena, with this effect being enhanced when the pulp is oxygenated during conditioning with metabisulfite, facilitating pyrite surface oxidation. Zeta potential measurements demonstrate the role of the oxidation process in decreasing the magnitude of the negative electric charge on the pyrite surface. These results were further corroborated by IR spectroscopy studies, which confirmed the oxidation of the pyrite surface in the presence of metabisulfite, as well as the co-adsorption of dextrin and amyl xanthate. In microflotation experiments, pyrite and galena exhibited contrasting flotation behaviors, with pyrite being effectively depressed at pH 8 when a combination of air, metabisulfite, and dextrin was used.

Słowa kluczowe

EN

pyrite; depressant; flotation; dextrin; sodium metabisulfite

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2024
• Tom: Vol. 60, iss. 6
• Strony: art. no. 197068
• Opis fizyczny: Bibliogr. 40 poz., rys., wykr.

Twórcy

autor

Corona-Arroyo Mario Alberto

• Mining, Metallurgical and Geological Engineering Department, Engineering Division, Guanajuato University. Ex-Hacienda de San Matías S/N. Guanajuato, Gto, 36020 México. Guanajuato 36000, México

autor

López-Frías Karen

• Mining, Metallurgical and Geological Engineering Department, Engineering Division, Guanajuato University. Ex-Hacienda de San Matías S/N. Guanajuato, Gto, 36020 México. Guanajuato 36000, México

autor

Solorzano Karen

• Mining, Metallurgical and Geological Engineering Department, Engineering Division, Guanajuato University. Ex-Hacienda de San Matías S/N. Guanajuato, Gto, 36020 México. Guanajuato 36000, México

autor

Echeveste Cristina

• Mining, Metallurgical and Geological Engineering Department, Engineering Division, Guanajuato University. Ex-Hacienda de San Matías S/N. Guanajuato, Gto, 36020 México. Guanajuato 36000, México

autor

Salazar-Hernández Ma Mercedes

• Mining, Metallurgical and Geological Engineering Department, Engineering Division, Guanajuato University. Ex-Hacienda de San Matías S/N. Guanajuato, Gto, 36020 México. Guanajuato 36000, México

autor

Pineda-Urbina Kayim

• Facultad de Ciencias Químicas, Universidad de Colima, Km. 9 Carr, Colima-Coquimatlán, 28400, Coquimatlán, Colima, Mexico

autor

Yang Bingqiao

• School of Resources and Safety Engineering, Wuhan Institute of Technology, Wuhan 430073, Hubei, China

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025).