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The most engineering application for the molecular self-assembly of sulfydryl compounds on solid surfaces is froth flotation. In this work, the hydrophobic mechanism of 3-hexyl-4-amino-1,2,4-triazole-5-thione (HATT) on chalcopyrite (CuFeS2) was first investigated by in situ atomic force microscopy (AFM), in situ scanning electrochemical microscopy (SECM), time-of-flight secondary ion mass spectrometry...
The hydrophobic mechanism of 3-hexyl-4-amino-1, 2, 4-triazole- 5-thione (HATT) to malachite (Cu2CO3(OH)2) was investigated by contact angle, micro-flotation, zeta potential, Fourier transform infrared (FTIR) spectroscopy, time-of-flight secondary ion mass spectrometry (ToF-SIMS) and X-ray photoelectron spectra (XPS). After HATT modification, the wettability of malachite surfaces was changed from hydrophilicity...
The adsorption mechanism of N-butoxypropyl-N′-ethoxycarbonyl thiourea (BOPECTU) on chalcopyrite surfaces was investigated by thermodynamics, scanning electrochemical microscopy (SECM), and diffuse reflectance infrared Fourier transform (DRIFT) spectroscopy. The thermodynamic results demonstrated that the adsorption agreed well with the Langmuir or Freundlich isotherm and the adsorption parameters...
Thiophosphorous compounds: diisobutyl dithiophosphate (DIBDTPA), diisobutyl dithiophosphinate (DIBDTPI), diisobutyl monothiophosphate (DIBMTPA) and diisobutyl monothiophosphinate (DIBMTPI) are widely used as flotation collectors and corrosion inhibitors, though the true nature of their bonding mechanisms to solid surfaces is still unclear. Using density functional theory (DFT) calculations, this study...
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