Effects of Ca²⁺ and SO₄^2- ions on fluorite flotation

• Autorzy: Xun Luobing , Hu Jiacheng , Shi Qing , Zhang Guofan

Identyfikatory

DOI

10.37190/ppmp/132875

• Języki publikacji: EN

Abstrakty

EN

The effects of Ca²⁺ and SO₄^2- on the flotation behaviour of fluorite with sodium oleate as a collector and the underlying mechanism by which these effects were investigated via micro-flotation experiments, solution chemistry calculations, and X-ray photoelectron spectroscopy. The results indicated that the addition of SO₄^2- and Ca²⁺ inhibited fluorite flotation and the inhibition effect was increased by the addition of pH. This was mainly due to the increase of the sulphate-containing components in the solution and the adsorption of SO₄^2- on the surface of fluorite. With the increase of pH, the alkalinity of the solution increases, OH- and more SO₄^2- are further adsorbed on the fluorite surface, thereby reducing the recovery of fluorite flotation.

Słowa kluczowe

EN

fluorite; flotation; calcium cation; sulphate anion

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2021
• Tom: Vol. 57, iss. 2
• Strony: 95--104
• Opis fizyczny: Bibliogr. 44 poz., rys., tab., wykr.

Twórcy

autor

Xun Luobing

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

autor

Hu Jiacheng

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

autor

Shi Qing

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

autor

Zhang Guofan

• 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 (2021).