Effects of single and mixed reagent systems on improved diaspore recovery

• Autorzy: Jiang Hao , Xiang Guoyuan , Gao Ya , Khoso Sultan Ahmed , Peng Weiwen

Identyfikatory

DOI

10.5277/ppmp19040

• Języki publikacji: EN

Abstrakty

EN

Frothing performance and stability of sodium oleate (NaOL) alone and in presence of methyl isobutyl methanol (MIBC), octanol (OCT) and polyethylene glycol (PEG) systems were studied and compared in order to enhance flotation separation of diasporic bauxite ore. Performance of a single (NaOL) and mixed systems (NaOL-MIBC, NaOL-OCT, NaOL-PEG) was evaluated through flotation tests, three-phase dynamic froth stability tests, zeta potential measurements and adsorption analysis. The mixed systems showed a stable froth and an improved recovery with their descending order NaOLPEG˃NaOL-OCT ˃ NaOL-MIBC. Adsorption analysis and zeta potential measurements suggested that, except NaOL adsorption, there was no significant co-adsorption of alcohols on the diaspore surface. However, adsorbed amount of NaOL on the diaspore surface was extremely high; accounts for more than 90% of the total substance used in the pulp.

Słowa kluczowe

EN

diaspore; flotation; mixed collector; froth stability; adsorption

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2019
• Tom: Vol. 55, iss. 5
• Strony: 1179--1191
• Opis fizyczny: Bibliogr. 41 poz., rys., wykr., wz.

Twórcy

autor

Jiang Hao

• School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China

autor

Xiang Guoyuan

• School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China

autor

Gao Ya

• School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China

autor

Khoso Sultan Ahmed

• School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China

autor

Peng Weiwen

• School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).