QSAR study of amine collectors for iron ore reverse flotation

• Autorzy: Wang Benying , Xu Xinyang , Duan Hao , Wang Xinyang

Identyfikatory

DOI

10.5277/ppmp19028

• Języki publikacji: EN

Abstrakty

EN

In order to reveal the relationship between flotation behaviors of collectors and their structures, quantitative structure–activity relationship (QSAR) study about separation efficiency of quartz from hematite using amine collectors was performed. The genetic function approximation (GFA) algorithm was applied to generate the correlation models and model with acceptable R²&nbspand R_cv² (cross validated R-squared) correlation coefficients (R²=0.9666, R_cv²=0.9201) was developed. The model revealed that the Lowest Unoccupied Molecular Orbital (LUMO) energy of the molecule, the charge of nitrogen and the electronegativity of polar group were the major factors that affected the separation efficiency of collectors. The higher nitrogen charge, the larger electronegativity of polar group and the more positive of LUMO energy of amine collectors were, the higher separation efficiency would be.

Słowa kluczowe

EN

QSAR; separation efficiency; reverse flotation; amine collectors

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2019
• Tom: Vol. 55, iss. 5
• Strony: 1059--1069
• Opis fizyczny: Bibliogr. 55 poz., tab., wykr., wz.

Twórcy

autor

Wang Benying

• School of Resources and Civil Engineering, Northeastern University, Shenyang 110819, China

autor

Xu Xinyang

• School of Resources and Civil Engineering, Northeastern University, Shenyang 110819, China

autor

Duan Hao

• School of Resources and Civil Engineering, Northeastern University, Shenyang 110819, China

autor

Wang Xinyang

• School of Resources and Civil Engineering, Northeastern University, Shenyang 110819, China

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).