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Chemical Engineering: Recent submissions
Now showing items 401-420 of 994
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Design of Novel Titanium Dioxide-Based Multifunctional Electrochemical Cells
(University of Waterloo, 2018-08-07)Increasing energy demands as well as the depletion of traditional resources has led to the development and improvement of energy conversion and storage technologies. Today, two major concerns are development of renewable ... -
Phosphoric Acid Doped Polybenzimidazole-Based Membrane Electrode Assembly for a Highly Sensitive and Selective Acetone Gas Sensor
(University of Waterloo, 2018-08-03)The increase in demand for small, inexpensive and portable gas sensors, which are sensitive and reliable, have generated much of the research interest toward solid oxide metal-based acetone gas sensors. However, despite ... -
Graphene and Glass Flake Nanocomposites Coatings for Corrosion Mitigation in Chloride Rich Environments
(University of Waterloo, 2018-08-02)Inspired by the needs for the preparation of protective coatings with enhanced protection properties especially corrosion resistance in the oil and gas industry, the research focuses on the synthesis and the evaluation of ... -
Embellished hollow spherical catalyst boosting activity and durability for oxygen reduction reaction
(Elsevier, 2018-09)Transition metals hybridized to heteroatom doped carbon material can be regarded as the most promising non-noble candidate for boosting the sluggish kinetics of oxygen reduction reaction (ORR). However, it has always been ... -
Supplementing glycosylation: A review of applying nucleotide-sugar precursors to growth medium to affect therapeutic recombinant protein glycoform distributions
(Elsevier, 2018-09-01)Glycosylation is a critical quality attribute (CQA) of many therapeutic proteins, particularly monoclonal antibodies (mAbs), and is a major consideration in the approval of biosimilar biologics due to its effects to ... -
Binary vs. ternary reactivity ratios: Appropriate estimation procedures with terpolymerization data
(Elsevier, 2018-08-01)There is a widely accepted analogy between copolymerization and terpolymerization mechanisms that has allowed researchers to use reactivity ratios obtained for binary pairs (from copolymerization experiments) in models ... -
Shear Viscosity of Poly (acrylamide/acrylic acid) Solutions
(Wiley, 2016-02-22)Acrylamide (AAm)/Acrylic acid (AAc) copolymers are being used in a wide spectrum of applications, from which enhanced oil recovery (EOR) is the target application in this research study. The shear viscosity of the copolymer ... -
Spontaneous weaving: 3D porous PtCu networks with ultrathin jagged nanowires for highly efficient oxygen reduction reaction
(Elsevier, 2018-11-15)We report a simple and efficient surfactant-free method to prepare 3D porous PtCu networks with ultrathin jagged nanowires and controllable composition. The morphological evolution and the influential effects of the important ... -
Nitrogen-doped hollow porous carbon polyhedrons embedded with highly dispersed Pt nanoparticles as a highly efficient and stable hydrogen evolution electrocatalyst
(Elsevier, 2017-10-01)The hydrogen evolution reaction (HER) is a promising alternative method of producing clean and renewable hydrogen resources. Although Pt-based nanomaterials are the most efficient catalysts for HER, their poor stability ... -
Effect of hemin, baicalein and heme oxygenase-1 (HO-1) enzyme activity inhibitors on Cd-induced accumulation of HO-1, HSPs and aggresome-like structures in Xenopus kidney epithelial cells
(Elsevier, 2018-08-01)Cadmium is a highly toxic environmental pollutant that can cause many adverse effects including cancer, neurological disease and kidney damage. Aquatic amphibians are particularly susceptible to this toxicant as it was ... -
Aqueous intercalation-type electrode materials for grid-level energy storage: Beyond the limits of lithium and sodium
(Elsevier, 2018-08-01)Intermittent, fluctuational, and unpredictable features of renewable energy require grid-level energy storage (GES). Among various types of GES, aqueous electrochemical storage is undoubtedly the most promising method due ... -
Metal-organic frameworks derived platinum-cobalt bimetallic nanoparticles in nitrogen-doped hollow porous carbon capsules as a highly active and durable catalyst for oxygen reduction reaction
(Elsevier, 2018-06-05)Pt-based nanomaterials are regarded as the most efficient electrocatalysts for the oxygen reduction reaction (ORR) in proton exchange membrane fuel cells (PEMFCs). However, widespread adoption of PEMFCs requires solutions ... -
Continuous Modification of Polypropylene Via Photoinitiation
(Wiley, 2015-07-03)A twin screw extruder was used for continuous modification of polypropylene (PP) via UV radiation. Long chain branches were incorporated in the PP backbone to modify its rheological properties. Benzophenone (BPH) as ... -
Systematic Approaches to Identification of Dynamic Flux Balance Models
(University of Waterloo, 2018-06-11)Mathematical modelling of biological systems is an essential tool for better understanding and for optimizing biological processes. Simulating the experiments before performing them is a time-saving strategy when seeking ... -
Recent progress in carbon dioxide (CO2) as feedstock for sustainable materials development: Co-polymers and polymer blends
(Elsevier, 2018-06-06)Combustion of fossil fuels and many other industrial activities inevitably produces carbon dioxide (CO2) that is released into the atmosphere and is currently deemed to be among the major contributors to global warming. ... -
Petroleomic analysis of the treatment of naphthenic organics in oil sands process-affected water with buoyant photocatalysts
(Elsevier, 2018-09-15)The persistence of toxicity associated with the soluble naphthenic organic compounds (NOCs) of oil sands process-affected water (OSPW) implies that a treatment solution may be necessary to enable safe return of this water ... -
Recovery of Dairy Aroma Compounds and Concentration of Dairy Solutions by Membranes
(University of Waterloo, 2018-05-25)This study explores the potential of using different types of poly(ether block amide) (PEBA) membranes for recovering aroma compounds from dairy solutions and concentration of dairy products by membrane processes. The ... -
In-Situ Continuous Monitoring of Catastrophic Phase Inversion and Viscosity of Pickering Emulsions
(University of Waterloo, 2018-05-22)Emulsions are used in the various field such as petroleum, pharmaceuticals, foods, cosmetics, paints, etc. Emulsions stabilized with solid nanoparticles are called Pickering emulsions. More recently, a growing awareness ... -
Modeling and State Estimation of Lithium-Ion Battery Packs for Application in Battery Management Systems
(University of Waterloo, 2018-05-10)As lithium-ion (Li-Ion) battery packs grow in popularity, so do the concerns of its safety, reliability, and cost. An efficient and robust battery management system (BMS) can help ease these concerns. By measuring the ... -
Solution Strategies in Short-term Scheduling for Multitasking Multipurpose Plants
(University of Waterloo, 2018-05-09)This thesis addresses challenges in short-term scheduling of multipurpose facilities using mathematical optimization. Such approach involves the formulation of a predictive model and an objective function, and the development ...