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Chemical Engineering: Recent submissions
Now showing items 121-140 of 994
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3D Silicone Whipping Additive Manufacturing (SWAM): Technology, Applications, and Research Needs.
(University of Waterloo, 2022-01-20)Additive manufacturing has become increasingly popular and is developing in many technologies. This thesis focusses on the additive manufacturing with paste technology, more specifically the goal is to further develop a ... -
Study, Analysis, and Validation of a Specific Two-fluid Model for Dispersed Two-Phase Flow
(University of Waterloo, 2022-01-17)Multiphase flows are commonly found and have a significant role in different processes in the energy, environmental, biological, and pharmaceuticals industries. The behavior of multiphase flows is very complicated due to ... -
Integration of Hydrogen Technology into Large Scale Industrial Manufacturing in Ontario
(University of Waterloo, 2022-01-12)Power-to-Gas is particularly applicable in Ontario’s energy market, due to the abundance of curtailed renewable energy. During off peak hours this results in not only low carbon, but low-cost electricity making hydrogen ... -
Multiscale Pore Network Modeling of Hierarchical Media with Applications to Improved Oil and Gas Recovery
(University of Waterloo, 2022-01-10)For complex geological materials such as carbonates and tight sandstones having pores at several scales, the conventional relationships are not adequate to quantify transport properties. Therefore, it becomes important to ... -
Block Copolymer-Directed Assembly of Nanoparticles: Forming Mesoscopically Ordered Hybrid Materials
(American Chemical Society, 2002)Mixtures of diblock copolymers and nanoscopic spherical particles can yield well-ordered hybrid materials, which can be used for separation processes, catalysis, and optoelectronic applications. Predicting the morphologies ... -
Effect of Nanoscopic Particles on the Mesophase Structure of Diblock Copolymers
(American Chemical Society, 2002)Introduction. The fabrication of novel biomimetic photonic and electronic materials requires the manipulation of both organic and inorganic materials at the nanometer length scale. One possible means of achieving this level ... -
Development of a Serum-Free Chemically Defined Medium for Adherent and Suspension Culture
(University of Waterloo, 2022-01-07)The development of suspension cell lines is a sought after holy grail for bioprocess development. Suspension cell lines allow for easier scale up and better volumetric productivity for most biotherapeutics, including vaccine ... -
Straightforward Synthesis and Evaluation of Polymeric Sensing Materials for Acetone Detection
(Wiley, 2020-04-02)Three polymeric materials (polyaniline, polypyrrole, and poly(methyl methacrylate)) have been selected, prepared and evaluated for potential use in acetone sensing (for possible diabetes-related applications). Of the ... -
Multifunctional Nano MOF Particle for Anticancer Drug Delivery
(University of Waterloo, 2022-01-05)PCN-224 MOF nano particles were modified with a peptide named NPKMTX to deliver dox to cancer cells. -
Strain engineering and bioprocessing strategies for biobased production of porphobilinogen in Escherichia coli
(University of Waterloo, 2022-01-04)Strain engineering and bioprocessing strategies were applied for biobased production of porphobilinogen (PBG) using Escherichia coli as the cell factory. The non-native Shemin/C4 pathway was first implemented by heterologous ... -
Application of Deep Learning in Chemical Processes: Explainability, Monitoring and Observability
(University of Waterloo, 2022-01-04)The last decade has seen remarkable advances in speech, image, and language recognition tools that have been made available to the public through computer and mobile devices’ applications. Most of these significant ... -
Physical patterning of silicone hydrogel to alter surface wettability, tear lipid deposition and bacterial adhesion
(University of Waterloo, 2021-12-20)A hydrogel is defined as a three-dimensional network of polymer chains that can swell and retain a significant fraction of water inside its structure without dissolving in water. Outstanding properties of a hydrogel such ... -
Data-driven Optimization: Applications to Energy Infrastructure and Process Industry
(University of Waterloo, 2021-12-20)Nowadays, the existence and ease of access to massive amounts of data encourage proposing data-driven solutions. As optimization has always been based on the interchange between models and data, high-level optimization ... -
Novel Methodologies in State Estimation for Constrained Nonlinear Systems under Non-Gaussian Measurement Noise & Process Uncertainty
(University of Waterloo, 2021-12-16)Chemical processes often involve scheduled/unscheduled changes in the operating conditions that may lead to non-zero mean non-Gaussian (e.g., uniform, multimodal) process uncertainties and measurement noises. Moreover, ... -
Polymeric Materials for Detection of Chemical Warfare Agents
(University of Waterloo, 2021-12-08)Chemical Warfare Agents (CWAs) are toxic synthetic chemicals that can have incapacitating or lethal effects. The 1997 Chemical Weapons Convention (1997 CWC) restricted production, stockpiling and use of CWAs, including ... -
Irreversible Oxidation Reaction in Aqueous Rechargeable Zn-MnO2 Batteries and Its Elimination for High Reversibility at Low Current Density
(University of Waterloo, 2021-11-30)With the ascending requirements of global energy storage, secondary batteries are receiving significant attentions. Lithium-ion batteries (LIBs) have been dominating the market over the decades because of their superior ... -
Determination of Characteristic Transport Coefficients of Porous Media from Volumetric Images using the Diffuse Interface Method
(University of Waterloo, 2021-11-24)Transport in engineered materials such as electrodes, membranes, filters, and natural materials such as rock, sand, soil can be modeled as transport in porous media. Direct Numerical Simulations (DNS) on volumetric images ... -
Separation of Phenols and Aniline from Water Streams using Poly(ether-block-amide) Membranes
(University of Waterloo, 2021-10-14)Phenols and aniline are aromatic compounds in which a hydroxyl group and amine group are attached to the benzene ring, respectively. Both are common organic pollutants in a wide range of effluents from such industries as ... -
Designing Optimal Terpolymers for Enhanced Oil Recovery (Polymer Flooding)
(ACS, 2020-03-20)Terpolymers of 2-acrylamido-2-methylpropane sulfonic acid (AMPS), acrylamide (AAm) and acrylic acid (AAc) have significant potential to be used in polymer flooding for enhanced oil recovery. Our earlier work has explored ... -
Evaluation of Doped and Undoped Poly (o-anisidine) as Sensing Materials for a Sensor Array for Volatile Organic Compounds
(Wiley, 2020-06-02)Poly (o-anisidine) (PoANI) and PoANI doped with nickel oxide and zinc oxide were evaluated as sensing materials for four gas analytes (methanol, ethanol, acetone, and benzene). The sensing materials had high sensitivity ...