Journal ArticleDOI
Depression behavior and mechanism of pyrogallol on bismuthinite flotation
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TLDR
In this article, the effect of pyrogallol on the flotation performance of bismuthinite was evaluated using flotation tests, and associated interaction mechanisms were investigated by using Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectrography (XPS), and density functional theory (DFT) calculations.About:
This article is published in Journal of Cleaner Production.The article was published on 2021-01-25. It has received 12 citations till now. The article focuses on the topics: Bismuthinite & Pyrogallol.read more
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Effect of Fenton-like oxidation reagent on hydrophobicity and floatability of chalcopyrite and molybdenite A Physicochemical and engineering aspects
Gde Pandhe Wisnu Suyantara,Tsuyoshi Hirajima,Hajime Miki,Keiko Sasaki,Masashi Yamane,Eri Takida,Shigeto Kuroiwa,Yuji Imaizumi +7 more
TL;DR: In this article, the effect of Fenton-like reagent made by the addition of FeSO4 in H2O2 aqueous solution on surface hydrophobicity and floatability of chalcopyrite and molybdenite was analyzed.
Journal ArticleDOI
Surface characterization of molybdenite, bismuthinite, and pyrite to identify the influence of pH on the mineral floatability
TL;DR: In this paper , detailed surface analyses of several typical sulfide minerals, namely, molybdenite, bismuthinite, and pyrite, were conducted to identify the effect of pH on the mineral surface property.
Journal ArticleDOI
Surface characterization of molybdenite, bismuthinite, and pyrite to identify the influence of pH on the mineral floatability
TL;DR: In this paper, detailed surface analyses of several typical sulfide minerals, namely, molybdenite, bismuthinite, and pyrite, were conducted to identify the effect of pH on the mineral surface property.
Journal ArticleDOI
Poly (vinyl alcohol)/hydrothermally treated tannic acid composite films as sustainable antioxidant and barrier packaging materials
TL;DR: In this paper , the authors developed polyvinyl alcohol (PVA)/hydrothermally treated tannic acid (HTA) composite films using a solution casting method for use as sustainable antioxidant and barrier films.
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Depression Mechanism of Sodium Sulfide in Flotation Separation of Molybdenite and Bismuthinite
TL;DR: Sodium sulfide has been widely used as a bismuth depressant in the flotation separation of molybdenum-bismuth sulfide ores as discussed by the authors.
References
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The American Mineralogist crystal structure database
TL;DR: The American Mineralogist Crystal Structure Database (AMSDB) as mentioned in this paper is a database of all the crystal structures previously published in the AMG journal, which contains a suite of interactive software that can be used to view and manipulate crystal structures and compute different properties of a crystal such as geometry, diffraction patterns, and procrystal electron densities.
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Vibrational spectroscopic calculations on pyrogallol and gallic acid
TL;DR: In this paper, the infrared and Raman spectra of pyrogallol and gallic acid were recorded and optimized geometries, vibrational frequencies and infrared intensities were calculated utilizing the post-HF DFT method with the Becke3P86 functional and the 6-311G(d,p) basis set for one of the possible conformers of both molecules.
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Review of the flotation of molybdenite. Part I: Surface properties and floatability
TL;DR: In this paper, the advances in understanding the surface chemistry of these systems are reviewed and discussed in this paper, and advances in the understanding of surface chemistry for molybdenite are discussed.
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Selective flotation of chalcopyrite and molybdenite with plasma pre-treatment
Tsuyoshi Hirajima,Masanori Mori,Osamu Ichikawa,Keiko Sasaki,Hajime Miki,Mohsen Farahat,Mitsuru Sawada +6 more
TL;DR: In this article, the surface characteristics of chalcopyrite and molybdenite were investigated with AFM, XPS, zeta potential and contact angle measurements.
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Effect of copper ions on the flotation separation of chalcopyrite and molybdenite using sodium sulfide as a depressant
TL;DR: In this paper, a possible inhibition model for the interactions among the mineral surface, copper ions, and sulfide ions is proposed based on adsorption experiments, zeta-potential measurements, and X-ray photoelectron spectroscopy (XPS) analysis.