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Chemical Engineering: Recent submissions
Now showing items 341-360 of 994
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Optimal Renewable Energy Integration into the Process Industry and Energy Infrastructure Using the Multi-Energy Hub Approach with Economic and Environmental Considerations
(University of Waterloo, 2019-01-08)Fossil fuels are an integral part of the current energy infrastructure and the major contributor towards carbon emissions. Energy intensive industries and local energy framework, inclusive of the transport sector, can be ... -
Application of Flow Cytometry and Fluorescence Spectroscopy to Monitor and Predict the Fermentation Activity in a Vaccine Manufacturing Process
(University of Waterloo, 2019-01-07)Bordetella pertussis is a Gram-negative coccobacillus, pathogenic and aerobic bacterium responsible for causing whooping cough, which is an upper respiratory tract infection in humans. To prevent this disease whole cellular ... -
Generation and Characterization of Dual-Fluorescent Influenza Virus-like Particles (VLPs) in Insect Cells
(University of Waterloo, 2019-01-04)The Baculovirus Expression Vector System (BEVS) has been widely used to produce recombinant proteins, especially for complex biopharmaceuticals. In recent years, the insect-baculovirus system has proved its value as a ... -
3D N-doped hybrid architectures assembled from 0D T-Nb2O5 embedded in carbon microtubes toward high-rate Li-ion capacitors
(Elsevier, 2019-02)Herein, a unique nitrogen-doped T-Nb2O5/tubular carbon hybrid structure in which T-Nb2O5 nanoparticles are homogeneously embedded in an in-situ formed nitrogen-doped microtubular carbon is synthesized, utilizing a facile ... -
Reducing Environmental Impacts of The Petroleum Refining Operations: Studies Related to Water Treatment and Carbon Dioxide Emissions Management
(University of Waterloo, 2018-12-21)Petroleum refining is one of the most important chemical processing industries, converting crude oil into many usable and useful products, but it can cause adverse environmental impacts. Two environmental issues were ... -
Synthesis of Novel Polythiophenes Having Alkylamide Substituents for Organic Solar Cells
(University of Waterloo, 2018-12-20)Solar energy is one of the most important sustainable energy resources which can satisfy increasingly growing demand of power and energy and reduce carbon footprint. In order to utilize the solar energy, solar cells are ... -
Deep Recurrent Neural Networks for Fault Detection and Classification
(University of Waterloo, 2018-12-20)Deep Learning is one of the fastest growing research topics in process systems engineering due to the ability of deep learning models to represent and predict non-linear behavior in many applications. However, the application ... -
Development of Novel Π-conjugated Polymer Semiconductors for Organic Solar Cells
(University of Waterloo, 2018-12-20)Bulk heterojunction polymer solar cell (PSC) is a promising photovoltaic technology for clean and renewable energy sources due to its superior advantages such as mechanical flexibility, light weight, low-cost fabrication, ... -
A Framework for Explicit Model Predictive Control using Adjustable Robust Optimization and Economic Optimization of an Industrial-Scale Sulfuric Acid Plant
(University of Waterloo, 2018-12-20)Optimization plays an important role in the operation of chemical engineering systems. Due to their typical size, different optimization tools and techniques are required to improve the efficiency in process operations. ... -
In-situ MnO2 Electrodeposition and its Negative Impact to Rechargeable Zinc Manganese Dioxide Batteries
(University of Waterloo, 2018-12-19)Achieving high rechargeability with the economically feasible and environmentally friendly Zn-MnO2 batteries has been the goal of many scientists in the past half century. Recently, the stability of the system saw a ... -
Implications of inherent inhomogeneities in thin carbon fiber-based gas diffusion layers: A comparative modeling study
(Elsevier, 2019-02-01)Thin porous media are present in multiple electrochemical energy devices, where they provide key transport and structural functions. The prototypical example is gas diffusion layers (GDLs) in polymer-electrolyte fuel cells ... -
A Multi-scale model for CO2 capture: A Nickel-based oxygen carrier in Chemical-looping Combustion
(Elsevier, 2018-01-01)In this work, we present a multi-scale modelling framework for the Ni-based oxygen carrier (OC) particle that can explicitly account for the complex reaction mechanism taking place on the contacting surface between gas and ... -
Multilevel Monte Carlo for noise estimation in stochastic multiscale systems
(Elsevier, 2018-12-01)The purpose of this study is to adapt Multilevel Monte Carlo (MLMC) sampling technique for random noise estimation in stochastic multiscale systems and evaluate the performance of this method. The system under consideration ... -
An integrated personnel allocation and machine scheduling problem for industrial size multipurpose plants
(Elsevier, 2018-01-01)This paper describes the development and implementation of an optimization model to solve the integrated problem of personnel allocation and machine scheduling for industrial size multipurpose plants. Although each of these ... -
Recent advances on first-principles modeling for the design of materials in CO2 capture technologies
(Elsevier, 2018-11-10)Novel technologies in consideration of industrial sustainability (IS) are in urgent need to satisfy the increasing demands from the society. IS realizes the production of materials and while maintaining environmental and ... -
Additive Manufacturing of High Temperature Strain Gauges
(University of Waterloo, 2018-12-10)Additive manufacturing (AM) is quickly leading a new revolution in manufacturing. Aerosol ink jet printing (AJP) is a non-contact printing method that allows for printing on irregular substrates. When paired nanoparticulate ... -
Towards the Development of a ϕC31Int-Competent Sf9 Cell Line
(University of Waterloo, 2018-12-05)The Sf9 cell line, as a component of the Baculovirus Expression Vector System (BEVS), is a popular platform for industrial-scale production of protein products. However, the natural course of the BEVS results in host-cell ... -
Acrylonitrile copolymer/graphene skinned cathode for long cycle life rechargeable hybrid aqueous batteries at high-temperature
(Elsevier, 2018-04-01)For aqueous rechargeable lithium battery (ARLB), excellent cycling stability at elevated temperature is highly desirable in its application of electric vehicles (EVs). However, most state-of-art ARLBs show poor durability ... -
Recessed deposition of TiN into N-doped carbon as a cathode host for superior Li-S batteries performance
(Elsevier, 2018-12-01)In this work, we put forward a novel cathode host for Li-S batteries by loading titanium nitride (TiN) nanoparticles into the pores of N-doped carbon as a proof-of-concept. The selection of TiN arises from its strong binding ... -
Bifunctionally active and durable hierarchically porous transition metal-based hybrid electrocatalyst for rechargeable metal-air batteries
(Elsevier, 2018-12-30)In this work, we show an effective strategy combining experimental and computational methods to explore and clarify rational design approaches utilizing transition metals for enhanced electrocatalysis of oxygen reactions. ...