Results 1 to 10 of about 31,129 (166)

Synergistic Treatment of Congo Red Dye with Heat Treated Low Rank Coal and Micro-Nano Bubbles

open access: yesMolecules, 2022
In this study, the adsorption method and micro-nano bubble (MNB) technology were combined to improve the efficiency of organic pollutant removal from dye wastewater.
Ning Han   +5 more
doaj   +1 more source

Rheological properties and entrainment behavior of quartz/amorphous silica in chalcopyrite flotation

open access: yes工程科学学报, 2023
Owing to the global consumption of high-grade ores, large amounts of low-grade and complex ores are being processed nowadays. The entrainment of gangue minerals in the ores, especially silicate gangue minerals, has become a nonignorable issue that can ...
Lei WANG   +5 more
doaj   +1 more source

Experimental study on biodiesel collector enhanced coal fly ash flotation decarbonization

open access: yesMeitan kexue jishu, 2023
The high degree of oxidation and poor hydrophobicity of fly ash particles result in the formation of stable hydration films that impede the effective adsorption of conventional hydrocarbon-based collectors onto the particle surfaces.
Shiqi DAI   +6 more
doaj   +1 more source

Study on the Influence of Metal Ions on the Dispersion of Fine Calcium Gangue Minerals

open access: yesMolecules, 2022
In this study, the calcium gangue material calcite (−10 μm) was used to investigate the effects of different kinds of metal ions and dosages on the dispersion behavior of calcite.
Zhongyi Liu   +4 more
doaj   +1 more source

Effect of Unavoidable Ion (Ca2+) in Pulp on the Dispersion Behavior of Fine Smithsonite

open access: yesMolecules, 2022
The efficient dispersion of particles is a prerequisite for the efficient flotation of fine smithsonite. However, unavoidable ions (Ca2+) in the pulp have become a challenge for the efficient separation of fine smithsonite, due to the high content of ...
Zhongyi Liu   +4 more
doaj   +1 more source

Effect of Ultrasonic Pretreatment on Flocculation Filtration of Low-Rank Coal Slurry

open access: yesMolecules, 2022
The efficient filtration of low-rank coal (LRC) slurry was significantly beneficial to the production process of wet coal beneficiation. However, relatively few studies have been reported on novel pretreatment methods for the efficient filtration of LRC ...
Aosheng Yang   +8 more
doaj   +1 more source

Interfacial Interaction of Clay and Saturates in Petroleum-Contaminated Soil: Effect of Clay Surface Heterogeneity

open access: yesMolecules, 2022
Petroleum-contaminated soil (PCS) exhibits a variety of oil–soil interfacial properties. Surface heterogeneity of soil particles is one of the most critical influencing aspects.
Yang Yang, Xing Liang, Xiaobing Li
doaj   +1 more source

Application of Geopolymer in Stabilization/Solidification of Hazardous Pollutants: A Review

open access: yesMolecules, 2022
Geopolymers, as a kind of inorganic polymer, possess excellent properties and have been broadly studied for the stabilization/solidification (S/S) of hazardous pollutants.
Quanzhi Tian   +6 more
doaj   +1 more source

Intelligent detection model of flotation tailings ash based on CNN-BP

open access: yesGong-kuang zidonghua, 2023
The tailings ash is an important production index of flotation systems. It not only reflects the current operating conditions of flotation system and clean coal recovery, but also has important significance for intelligent flotation control. The existing
HAN Yu   +3 more
doaj   +1 more source

Interfacial Adhesion between Fatty Acid Collectors and Hydrophilic Surfaces: Implications for Low-Rank Coal Flotation

open access: yesMolecules, 2022
Fatty acids, which are enriched in vegetable oil, have attracted much attention in low-rank coal flotation because of their unique chemical structure. In this study, density functional theory calculations, molecular dynamics simulations, and atomic force
Yangchao Xia   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy