Mineral beneficiation of nepheline syenite with combination of dry magnetic separation and flotation methods

• Autorzy: Çınar Mustafa , Durgut Emrah

Identyfikatory

DOI

10.5277/ppmp19045

• Języki publikacji: EN

Abstrakty

EN

Nepheline syenite is an important raw material for ceramic body composition as a melting agent. However, impurities such as iron, titanium, mica, and calcite minerals in nepheline syenite can lead to quality problems on the surface of floor tile because of different sintering properties. Therefore, these impurities should be eliminated from syenite before sintering process to increase its quality while reducing economic and environmental impacts. In this study, it was aimed to reduce impurities of nepheline syenite using dry magnetic separation and flotation methods. The dry magnetic separation results showed that the amount of TiO₂+Fe₂O₃ in the sample decreased from 2.50% to 0.06%. In additio to this, optimum flotation conditions were determined while separating calcite, mica, and further iron bearing minerals from the nepheline syenite by using sequential flotation method. The optimum flotation conditions for calcite flotation were determined as natural pH: 7.9 and 500 g/Mg DER NA7 collector dosage; for mica removal pH: 3.1 and 500 g/Mg Custamine 9024 or A4 collector dosage. After overall mineral beneficiation experiments, albite+microcline mineral content increased from 78% to 97%. In conclusion, a clean concentrate for ceramic body and frit composition quality was gained from nepheline syenite containing high amount of Fe₂O₃ and TiO₂ with dry magnetic separation and flotation experiments.

Słowa kluczowe

EN

mineral beneficiation; nepheline syenite; dry magnetic separation; flotation; ceramics

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2019
• Tom: Vol. 55, iss. 5
• Strony: 1227--1238
• Opis fizyczny: Bibliogr. 30 poz., rys., tab., wz.

Twórcy

autor

Çınar Mustafa

• Department of Mining Engineering, Faculty of Engineering, Çanakkale Onsekiz Mart University, Çanakkale, Turkey

autor

Durgut Emrah

• Çan Vocational School, Çanakkale Onsekiz Mart University, Çanakkale, Turkey

Bibliografia

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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).