Exploration on flotation behavior of galena in seawater and related mechanism

• Autorzy: Song Ningbo , Sun Chuanyao , Yin Wanzhong , Yao Jin , Yang Bin

Identyfikatory

DOI

10.37190/ppmp/151524

• Języki publikacji: EN

Abstrakty

EN

The utilization of seawater in mineral flotation is the future development trend because of the shortage of fresh water resources. However, at present, the flotation behavior and mechanism of galena in seawater are not clear. Therefore, this paper comprehensively carried out the effect mechanism of seawater on the flotation of galena. Micro-flotation results illustrated that the recovery of galena was higher in deionized water than that in 5×10-2 mol/L MgCl2 solution, 1×10-2 mol/L CaCl2 solution and seawater. Contact angle determination and Zeta potential distribution measurements showed that hydrophilic substances adsorbed on the surface of galena under alkaline conditions. X-ray photoelectron spectroscopy (XPS) analysis further indicated that these substances were hydroxides precipitates, carbonate precipitates and hydroxyl complexes formed by divalent magnesium and calcium ions, which prevented the adsorption of collector on mineral surface. As a result, the galena recovery declined in 5×10-2 mol/L MgCl2 solution, 1×10-2 mol/L CaCl2 solution and seawater.

Słowa kluczowe

EN

high-sulfur magnetite; pyrrhotite flotation; magnetic separation; mixed collectors

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2022
• Tom: Vol. 58, iss. 4
• Strony: art. no. 151524
• Opis fizyczny: Bibliogr. 42 poz., rys., wykr.

Twórcy

autor

Song Ningbo

• School of Resources and Civil Engineering, Northeastern University, Shenyang 110819, China
• State Key Laboratory of Mineral Processing, Beijing 102628, China
• BGRIMM Technology Group，Beijing 100160, China

autor

Sun Chuanyao

• School of Resources and Civil Engineering, Northeastern University, Shenyang 110819, China
• BGRIMM Technology Group，Beijing 100160, China

autor

Yin Wanzhong

• School of Resources and Civil Engineering, Northeastern University, Shenyang 110819, China
• State Key Laboratory of Mineral Processing, Beijing 102628, China

autor

Yao Jin

• School of Resources and Civil Engineering, Northeastern University, Shenyang 110819, China
• State Key Laboratory of Mineral Processing, Beijing 102628, China

autor

Yang Bin

• School of Resources and Civil Engineering, Northeastern University, Shenyang 110819, China
• School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou 221116, China

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).