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Chemical Engineering: Recent submissions
Now showing items 241-260 of 994
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Visualization of bivariate sequence length-chain length distribution in free radical copolymerization
(Wiley, 2017-08)Copolymer properties and processability depend on copolymer microstructure, i.e., copolymer composition and monomer unit arrangements along copolymer chains. To predict ultimate properties of copolymers, one needs complete ... -
Intrinsic Capacitance, Charge Storage Mechanisms, and Defect Engineering of Molybdenum Disulfide Nanosheets
(University of Waterloo, 2020-04-23)Single layer 2D materials such as the metallic, 1T polymorph of molybdenum disulfide (MoS2) hold significant promise for next-generation supercapacitors due to their high theoretical surface area and ability to be assembled ... -
Evaluation of Natural and Synthetic Sorbents for Oil Spill Clean-up Applications
(University of Waterloo, 2020-04-22)Oil products have become an important commodity in the world. However, the world oil demand has been increased due to the growing global population, and as long as oil transportation worldwide continues to increase, many ... -
Hydrophobic Modifications of Cellulose Nanocrystals for Anticorrosion and Polymer Coating Applications
(University of Waterloo, 2020-04-20)Cellulose nanocrystal (CNC) is a robust, renewable and green nanorods, which has a potential as an excellent reinforcing and multi-functional filler for polymers used in coating and other applications. CNC contains ... -
Modelling and Optimization of a Pilot-Scale Entrained Flow gasifier using Artificial Neural Networks
(University of Waterloo, 2020-03-04)In this research, the construction and validation of both ANN and RNN models was presented to accurately and efficiently predict both steady state and dynamic performance of a pilot-scale gasifier unit. The corresponding ... -
A density functional theory analysis on syngas adsorption on NiO (100) surface
(Elsevier, 2019-12-31)Oxygen carrier (OC) design can effectively improve the performance of chemical looping combustion (CLC) and realize fossil fuel combustion at low energy-cost CO2 capture. This study describes the adsorption principles of ... -
Nonlinear model predictive control of a multiscale thin film deposition process using artificial neural networks
(Elsevier, 2019-11-02)The purpose of this study was to employ Artificial Neural Networks (ANNs) to develop data-driven models that would enable the shrinking horizon nonlinear model predictive control of a computationally intensive stochastic ... -
One-pot synthesis of porous silica-supported ultrafine Ni nanoparticles as efficient and stable catalyst for selective hydrogenation of benzophenone
(Elsevier, 2019-12-15)In this work, we report a silica-supported ultrafine Ni catalyst for the selective hydrogenation of benzophenone. This material was developed by a facile one-pot co-assembly syntheses strategy, using Ni(II) chelated alginate ... -
Modelling and optimization of a pilot-scale entrained-flow gasifier using artificial neural networks
(Elsevier, 2019-12-01)This paper explores the construction and validation of an artificial neural network (ANN) in order to accurately and efficiently predict the performance of a pilot-scale gasifier unit. This ANN model consists of multiple ... -
Cellulosic Nanocomposites for Advanced Manufacturing: An Exploration of Advanced Materials in Electrospinning and Additive Manufacturing
(University of Waterloo, 2020-02-21)The effects of formulation and processing of thermoplastics and composites containing Nanocrystalline Cellulose (NCC) were explored and characterized for electrospinning and fused deposition modeling 3D printing advanced ... -
Development of Highly Anti-Corrosive and Mechanically Improved Graphene-Based Polyurethane Nanocomposites for the Application of Pipeliners in Oil Sands Transportation
(University of Waterloo, 2020-02-20)In contemporary composite science, polymer nanocomposites are the promising functional materials in the research field. Among them, the nano-sized filler, graphene, supplements the flaws of polymeric materials with their ... -
Integration of design and control for large-scale applications: a back-off approach
(University of Waterloo, 2020-02-14)Design and control are two distinct aspects of a process that are inherently related though these aspects are often treated independently. Performing a sequential design and control strategy may lead to poor control ... -
Ionic Liquid Assisted Composite Ceramic-Polymer Electrolyte for Lithium Metal Batteries
(University of Waterloo, 2020-02-11)Facing demands for smaller and more powerful batteries to keep pace with technological advances, as the conventional lithium-ion battery (LIB) is reaching its inherent physicochemical limit, new electrode materials must ... -
Effects of Nanoparticle Interfacial Additives on Phase Inversion of Pickering Emulsions
(University of Waterloo, 2020-01-24)Understanding the effects of interfacial additives such as surface-active nanoparticles on phase inversion of Pickering emulsions is important from a practical point of view. In this work, we studied the effects of ... -
An In-Depth Look at Repeated Propagation of Multiple Viruses Simultaneously in Insect Cell Culture
(University of Waterloo, 2020-01-22)It is well known that the insect cell-baculovirus expression vector system (IC-BEVS) can be used for the production of various proteins of interest and virus-like particles (VLPs). In the past, many higher order proteins ... -
Electrode Design for Durable and Energy-Dense Rechargeable Zinc-Air Batteries
(University of Waterloo, 2020-01-21)Zinc-air batteries have been proposed as a low-cost and energy-dense candidate to replace or supplement lithium-ion batteries in electric vehicles. This thesis explores the viability of zinc-air batteries in electric ... -
Effect of co-ions and counter-ions on mAb capture with weak cation exchange membranes
(University of Waterloo, 2020-01-20)Cation exchange chromatography (CEX) has risen as a promising alternative to Protein-A affinity chromatography for the capture of monoclonal antibody (mAb). mAb capture with CEX works on the basis of electrostatic interactions ... -
Application of Cellulose Nanomaterials in Water Treatment Processes
(University of Waterloo, 2020-01-20)Many advanced water treatment processes have been designed and implemented to purify water, such as adsorption, photocatalysis, and membrane filtration processes. All these processes have the potential to be enhanced through ... -
Poly(ether block amide)-based Composite Membranes for Carbon Capture
(University of Waterloo, 2020-01-17)A great amount of anthropogenic CO2 emissions has caused the greenhouse effect which impacts the living environment of creatures on the planet. Effective carbon capture technologies need to be developed to reduce CO2 emissions. ... -
Design and Engineering of Hierarchically Porous Transition Metal-based Electrocatalysts for Rechargeable Zn-air Batteries
(University of Waterloo, 2020-01-17)Electrochemical oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) are the critical cathodic and anodic reactions, respectively, in electrically rechargeable Zn-air battery. With a variety of advantages ...