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Skip to Search Results- 29Zeng, Hongbo (Chemical and Materials Engineering)
- 10Liu, Qingxia (Chemical and Materials Engineering)
- 2Tang, Tian (Mechanical Engineering)
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- 1Liu, Yang (Civil and Environmental Engineering)
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Molecular Dynamics Study of Clay-Polymer Interactions in the Treatment of Mature Fine Tailings
DownloadFall 2021
In this dissertation, all-atom molecular dynamics (MD) simulations were performed to study the mechanisms of clay-polymer interactions and the effects of solution chemistry in the treatment of mature fine tailings (MFT). The fine solids in MFT were mainly clay particles such as montmorillonite...
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Fall 2014
In this work, the influence of solution salinity on settling performance of both commercial polymeric flocculant Magnafloc 1011(MF) and synthesized polymer flocculant Chitosan-graft-Polyacrylamide (chi-g-PAM) was systematically investigated. The effect of MgCl2 on the settling performance of MF...
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Fall 2015
In this study, the flotation behaviors of chalcopyrite and pyrite single and mixed minerals in Milli-Q water, NaCl solution, and sea water were investigated. The performance of different collectors was evaluated. Collectorless flotation was also studied under potentiostatic control to explore the...
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Functional Supramolecular Materials Based on Multiple Hydrogen-Bonding Motifs and the Associated Molecular Interaction Mechanism
DownloadFall 2019
Engineered multifunctional polymers with stimuli-responsive and self-healing properties have drawn increasing attention in recent years for the development of “smart” materials with a broad range of applications. Hydrogen bonding, as one of the most developed approaches in supramolecular...
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Localization Model description of interfacial dynamics of free-standing nanoparticles and thin films, and nanoparticle on supporting interacting substrate
DownloadFall 2022
Localization model (LM) relates, without any free parameter, slow dynamics of α-relaxation time (τα) to fast dynamics of Debye-Waller Factor (DWF) or ⟨u2⟩, which is the mean square displacement of particles at a caging time on the order of picoseconds. Moreover, localization model can also...
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Prebiotic-Chemistry Inspired Polymeric Coatings for the Surface Modification of Hydrophobic Polyethersulfone membranes for the Enhancement of their Antifouling and Antibacterial Properties
DownloadFall 2020
Polyethersulfone (PES) membranes are very commonly used for wastewater treatment because of their excellent mechanical, chemical and thermal properties. However, the major concern associated with these membranes is their susceptibility to fouling due to their intrinsic hydrophobicity. Therefore,...
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Fall 2015
Selenium is an essential trace element nutrient for human life, but it can be extremely toxic if taken excess. Various adsorbents have been applied for the removal of selenium from water but performed poorly in the removal of Se (VI), which is more bioavailable and more difficult to remove....
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Fall 2022
In marine bio-systems, robust mussel adhesion is achieved by the formation of a “bio-glue” layer between byssal plaque and substrates. By mimicking this mussel adhesion strategy, many mussel-inspired coatings have been designed for various environmental applications due to their high surface...
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Fall 2014
With the rapid development of industry, air and water pollution has become a critical topic to the public and scientific community since the quality of air and water is essential for the prosperity of life. In this study, two novel adsorbents, Fe3O4@polydopamine (PDA)-Ag microspheres and...
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Understanding the Deposition and Molecular Interaction Mechanisms of Substrate-supported Functional Coatings
DownloadFall 2017
Functional coatings have been extensively exploited for creating surfaces with desired functionalities in numerous engineering applications, which have received increasing attention over the past few decades. The objectives of this thesis research were to develop stable, hydrophobicity-tunable...