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Skip to Search Results- 29Zeng, Hongbo (Chemical and Materials Engineering)
- 10Liu, Qingxia (Chemical and Materials Engineering)
- 2Tang, Tian (Mechanical Engineering)
- 1Choi, Phillip (Chemical and Materials Engineering)
- 1Gamal El-Din, Mohamed (Civil and Environmental Engineering)
- 1Liu, Yang (Civil and Environmental Engineering)
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Probing Surface Heterogeneity, Electrochemical Properties and Bubble-Solid Interaction Mechanisms of Sulfide Minerals in Flotation
DownloadSpring 2017
The colloidal stability governed by various surface interactions including van der Waals (VDW) interaction, electrical double layer (EDL) interaction, hydrophobic interaction, and some other interactions, plays an important role in a wide range of natural phenomena and engineering applications....
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Probing the Interaction Mechanisms among Asphaltenes, Fine Solids, Water-Oil Emulsions and Pipeline Surfaces in Oil Sands Production
DownloadSpring 2020
Fouling problem has been one of the most challenging problems in oil industries. Asphaltenes, fine solids, and water-oil emulsions have been regarded as the major components in the fouling phenomena during oil production. Investigating the interactions between foulants (e.g., asphaltenes, fine...
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Reclamation of Unconventional Oil Processed Water through the Adsorption of Naphthenic Acids by Carbon Xerogel
DownloadFall 2017
This study examines the use of carbon xerogel (CX) material for the adsorption of naphthenic acids (NAs). The adsorption of NAs is crucial for the reclamation of unconventional oil processed water, more specifically Alberta’s oil sands process-affected water (OSPW). CX material is synthesized at...
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Regenerable Composites for Removal of Organic Dye in Aqueous Media and Water in Heavy Oil and the Associated Interaction Mechanism
DownloadSpring 2018
Water plays an indispensable role in all aspects of life, including farming, domestic and industrial uses. In industries, water has been extensively applied in mining, production and surface treatment, producing a large quantity of contaminated water that threatens human health, endangers...
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Stimuli-Responsive and Self-Healing Nanocomposite Hydrogels Based on Reversible and Dynamic Crosslinks
DownloadFall 2022
Hydrogels, due to their soft and water abundant natures, highly resemble human skins and tissues and thereby have attracted extensive attention in recent years. Functional hydrogels showing responsiveness to various stimuli such as pH, temperature, strain and pressure are promising for a wide...
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Spring 2017
Interactions mechanisms of deformable air bubbles and liquid droplets play critical roles in many established and modern industrial processes. Understanding the interaction mechanisms of oil droplets and air bubbles is of fundamental and practical importance to solve many challenging issues,...
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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...
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Spring 2016
In this study, a two-step flocculation method by combining anionic and cationic polymeric flocculants on the treatment of oil sands tailings was investigated. Compared to conventional flocculation by using a single anionic or cationic polymer, which has been a widely exploited procedure for...
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Understanding zinc sulfide activation mechanism and impact of calcium sulfate in sphalerite flotation
DownloadSpring 2012
Quartz crystal microbalance with dissipation (QCM-D) was used to study the zinc sulfide activation with silver, copper and lead. The interactions between calcium sulfate and minerals and gypsum nucleation on functional surfaces were investigated using a QCM-D, surface forces apparatus (SFA), and...