frother molecular dynamics

Yungchieh Lai - Research Engineer - Joint Center for ...

View Yungchieh Lai's profile on LinkedIn, the world's largest professional community. ... Molecular Dynamics Study of the Bulk and Interface Properties of Frother and Oil with Saltwater and Air

International Journal of Power and Energy Research, IJPER

International Journal of Power and Energy Research is devoted to publishing high-quality experimental and theoretical articles about the latest advancements and findings in energy and power research. The journal covers but is not limited to power generation, solar energy, wave power, wind power, hydro power, waste energy, alternative fuels, safe nuclear energy, distribution systems ...

Minerals | Special Issue : Flotation Chemistry

Minerals, an international, peer-reviewed Open Access journal. Dear Colleagues, We invite contributions to this Special Issue on aspects listed in the keywords, covering recent advances and innovations in flotation chemistry, which will be of direct interest to researchers …

Molecular modeling studies of oleate adsorption on iron ...

Molecular modeling studies The first step in the flotation process is adsorption of oleate onto the mineral surface. In this study single crystal surfaces of these minerals were selected. The most stable surfaces for the three mineral were chosen based on previously published results: hematite (0 0 1) [32], magnetite (1 1 1) [33], and ...

Effects of Frothers and Oil at Saltwater-Air Interfaces ...

Thus, this work focuses on using molecular dynamics with a united-atom force field to simulate the interface of linear alkane oil, saltwater, and air with three surfactant frothers: methyl ...

Effect of frothers and dodecylamine on bubble size and gas ...

Frothers are also added to the pulp to have a stable froth (Batisteli and Peres, 2008). Hence, the effect of frother-DDA blends on the bubble size and gas holdup in the downcomer was assessed. Fig. 5 shows the d32 value as a function of MIBC concentration in the absence and presence of various additions of DDA, namely 1, 2 and 4 mg/L.

Effects of Frothers and Oil at Saltwater–Air Interfaces ...

@article{osti_1404700, title = {Effects of Frothers and Oil at Saltwater–Air Interfaces for Oil Separation: Molecular Dynamics Simulations and Experimental Measurements}, author = {Chong, Leebyn and Lai, Yungchieh and Gray, McMahan and Soong, Yee and Shi, Fan and Duan, Yuhua}, abstractNote = {Separating oil from saltwater is a process relevant to some industries and may be aided by bubble ...

Effect of kerosene emulsion in MgCl 2 solution on the ...

Jul 20, 2016· Read "Effect of kerosene emulsion in MgCl 2 solution on the kinetics of bubble interactions with molybdenite and chalcopyrite, Colloids and Surfaces A: Physicochemical and Engineering Aspects" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

(PDF) Dynamic Property Evaluation of Frother | Reynaldo ...

Dynamic Property Evaluation of Frother. R. Caira Castillo. Download with Google Download with Facebook or download with email. Dynamic Property Evaluation of Frother. Download. Dynamic Property Evaluation of Frother.

Loop | Yuhua Duan

Yuhua Duan is the physical scientist at National Energy Technology Laboratory of the US Department of Energy. He obtained his BS in Chemistry, a MS in Chemical Physics, a PhD in Physics from the University of Science and Technology of China, and a MS in …

The intrinsic interfacial structure of ionic surfactant ...

Molecular Dynamics Study of the Bulk and Interface Properties of Frother and Oil with Saltwater and Air. Leebyn Chong, Yungchieh Lai, +3 authors Yuhua Duan. ... Molecular dynamics investigation of the intrinsic structure of water-fluid interfaces via the intrinsic sampling method. Fernando Bresme, Enrique Jiménez Chacón, Pedro Tarazona.

JAN D MILLER - Research - Faculty Profile - The University ...

JAN D MILLER ... Study of spectroscopic characteristics of interfacial water by SFG spectroscopy and molecular dynamics simulation is in progress to understand in more detail the hydrophobic surface state. ... Collector/Frother Distribution during Bubble Attachment and Detachment, X. Wang (presenter) and J.D. Miller, 2012 SME Annual Meeting ...

Foamability of fatty acid solutions and surfactant ...

Jan 01, 2017· Read "Foamability of fatty acid solutions and surfactant transfer between foam and solution phases, Minerals Engineering" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

CIM Magazine November 2007 by CIM-ICM Publications -

Nov 01, 2007· Anisotropic Character of Talc Surfaces as Revealed by Streaming Potential Measurements, Atomic Force Microscopy, Molecular Dynamics Simulations and Contact Angle Measurements J. Nalaskowski, B ...

Minerals | Special Issue : Flotation Reagents

However, the micro-adsorption behavior of these collectors on the coal surface remains to be further explored. In the present work, the adsorption behavior of methyl laurate and dodecane, representing biodiesel and common oily collectors, was investigated using experimental and molecular dynamics (MD) simulation methods.

Minerals Engineering International Online - Froth ...

The promoting effect of cationic surfactant on low-rank coal flotation with oil collector: A molecular dynamics simulation study Yangchao Xia and Xiahui Gui (China University of Mining and Technology, China) Temperature-responsive polymers as tuneable collectors/depressants in flotation: a review

Fan Shi - Google Scholar Citations

This "Cited by" count includes citations to the following articles in Scholar. The ones marked * may be different from the article in the profile.

Yungchieh Lai | AIChE Academy

(744f) Frother Performance and Its Influence on Flotation Process. Yee Soong. Fan Shi. ... 2016 AIChE Annual Meeting (ISBN: 978-0-8169-1097-7) (62a) Molecular Dynamics Study of Surfactant and Oil Interactions at Saltwater-Air Interfaces. Leebyn Chong. Yungchieh Lai. Fan Shi. McMahan L. Gray. Yee Soong. Yuhua Duan. 2016 AIChE Annual Meeting ...

e-Journal of Surface Science and Nanotechnology

e-Journal of Surface Science and Nanotechnology Vol. 10(2012) Conference -ISSS-6- Preparation of Anatase-TiO 2 by Elevated-Temperature Deposition and Annealing in Oxygen Ambient

MEI Blog: Flotation '17 Conference Diary - Barry A. Wills

Nov 27, 2017· Yangchao Xia, of the China University of Mining and Technology, described a molecular dynamics simulation study on the promoting effect of the cationic surfactants dodecyl trimethyl ammonium bromide (DTAB) and the oil collector dodecaneon on low-rank coal flotation. It was found that dodecane cannot be adsorbed tightly onto the coal surface and ...

Molecular Dynamics Study of the Bulk and Interface ...

This work focuses on using molecular dynamics with a united-atom force field to simulate the interface of linear alkane oil, saltwater, and air with three surfactant frothers: methyl isobutyl carbinol (MIBC), terpineol, and ethyl glycol butyl ether.

Molecular Dynamics Study of the Bulk and Interface ...

Thus, this work focuses on using molecular dynamics with a united-atom force field to simulate the interface of linear alkane oil, saltwater, and air with three surfactant frothers: methyl ...

The effect of surfactant on the terminal and interfacial ...

The effect of surfactant on the terminal and interfacial velocities of a bubble or drop. M. Douglas Leven. Corresponding Author. ... Molecular Dynamics Simulation of a Rising Bubble, Molecular ... Axial velocity profiles of single bubbles in water/frother solutions, International Journal of Mineral Processing, 47, 3-4, (177), ...

Adsorption structures of frothers at gas-liquid interface ...

Apr 22, 2019· The adsorption layer of frother molecules adsorbed at the gas-liquid interface reveals that the α-terpineol molecules are more neatly arranged and better distributed. The DF200 molecules are arranged much more loosely than MIBC molecules.

Frother structure–property relationship: Effect of alkyl ...

Frother structure–property relationship: Effect of alkyl chain length in alcohols and polyglycol ethers on bubble rise velocity. ... The linear trend observed in Fig. 4b encourages that a fundamental model can be found, for example, based on molecular dynamics, which could be of use in frother design.

Molecular Dynamics Study of the Bulk and Interface ...

@article{osti_1366718, title = {Molecular Dynamics Study of the Bulk and Interface Properties of Frother and Oil with Saltwater and Air}, author = {Chong, Leebyn and Lai, Yungchieh and Gray, McMahan and Soong, Yee and Shi, Fan and Duan, Yuhua}, abstractNote = {For water treatment purposes, the separation processes involving surfactants and crude oil at seawater-air interfaces are …

Surface Potential of MIBC at Air/Water Interface: a ...

Such behavior can dramatically change the interfacial properties within the nano-scale of interfacial layer and have significant applications in industrial processes such as mineral flotation. In this study, the adsorption of MIBC (methyl isobutyl carbinol), a popular frother, was investigated by molecular dynamics.

Introduction to Molecular Dynamics Simulation - udel.edu

of simulation technique are molecular dynamics (MD) and Monte Carlo (MC); addition-ally, there is a whole range of hybrid techniques which combine features from both. In this lecture we shall concentrate on MD. The obvious advantage of MD over MC is that it gives a route to dynamical properties of the system: transport coefcients, time-dependent

Flotation chemistry of soluble salt minerals: from ion ...

Chowdhuri, S. and Chandra, A., 2001, "Molecular dynamics simulations of aqueous NaCl and KCl solutions: Effects of ion concentration on the single-particle, pair, and collective dynamical properties of ions and water molecules," Journal of Chemical Physics, Vol. 115, No. 8, …

Effect of the bubble size on the dynamic adsorption of ...

This paper presents an analysis on the dynamic adsorption of frothers and collectors onto air bubbles in flotation. The analysis was carried out using the theory on the surfactant transfer by diffusion and adsorption. The bubble size was considered when solving …

Minerals Engineering International Online - Froth ...

Minerals Engineering International: Froth Flotation. Jizhen Wang, Yong Mao, Yazhi Cheng, Yuchen Xiao, Yuxuan Zhang, Junzhi Bai, Effect of Pb(II) on the flotation behavior of scheelite using sodium oleate as collector, Minerals Engineering, Vol. 136, 2019 Yupeng Qian, Xukun Qin, Yongjun Peng, Mitigating the coating of fine quartz in fluorite flotation using a triblock copolymer, Minerals ...

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