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Chemical Engineering: Recent submissions
Now showing items 521-540 of 994
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Reduced Order Modeling and Scale-up of an Entrained Flow Gasifier
(University of Waterloo, 2017-01-16)Climate change has increased attention towards reduction of carbon dioxide (CO2) emissions and other heat-trapping gases to the atmosphere. This has affected the operation of process industries, particularly solid fuel ... -
Cellulose Nanocrystals Incorporated Nanocomposites for Water Treatment Applications
(University of Waterloo, 2017-01-12)Water is the elixir of life; however, it is being increasingly contaminated by a wide variety of contaminants from industrial, municipal and agricultural sources like dyes, heavy metal ions, food additives, pharmaceuticals, ... -
Design of Functionalized Cellulose Nanocrystals for Personal Care Applications
(University of Waterloo, 2017-01-10)Derived from the depths of rich, green Canadian forests; the discovery of cellulose nanocrystals (CNCs) has pushed the research and industrial community to find strategic alternatives to replace existing non-renewable ... -
Electrodeposition of p-Type Cuprous Oxide and its Application in Oxide Solar Cells
(University of Waterloo, 2017-01-06)Cuprous oxide (Cu2O) is a promising material for the fabrication of oxide solar cells due to its abundance, nontoxicity, stability and ability to be deposited under mild conditions. At the moment, the reported efficiencies ... -
Simulation-Based Analysis of a Sabatier Reactor for Conversion of CO2 into Renewable Natural Gas
(University of Waterloo, 2016-12-23)Converting CO2-rich waste streams such as raw biogas, landfill gas and power plant flue gas into synthetic fuels and chemicals will reduce greenhouse gas emissions, and provide revenue at the same time. One option is to ... -
Water Detection Framework for Industrial Electric Arc Furnaces
(University of Waterloo, 2016-12-23)This thesis develops a framework for water detection in an industrial electric arc furnace. The objective of the framework is to prevent water leak furnace explosions. This framework consists of a hybrid algorithm and a ... -
Thiophene-S,S-dioxidized indophenine for use in organic field effect transistors
(University of Waterloo, 2016-12-23)To address the need for better n-type organic semiconductors, thiophene-S,S-dioxidized indophenine (IDTO) was developed. IDTO is a planar quinoidal molecule with deep energy levels which facilitate stable and efficient ... -
Mathematical Modeling of Chain Shuttling Polymerization
(University of Waterloo, 2016-12-21)Chain shuttling polymerization with dual catalysts has introduced a new class of polyolefin called olefin block copolymers (OBCs). The Dow Chemical Company developed this new material in 2006 with a chain shuttling agent ... -
Synthesis of PAM and Na-Ac/AM Hydrogel-Coated Mesh for Separation of Oil/Water Mixtures
(University of Waterloo, 2016-12-15)Hydrogels are used in many applications and have gained popularity due to their high water content, good biocompatibility and similarity to soft tissue. The research objective is to design and synthesize self-healing ... -
Gold Surface Nanostructuring for Separation and Sensing of Biomolecules
(University of Waterloo, 2016-12-14)Detecting biomolecules in physiological environments is critical to health care and environmental monitoring. In this work, we study and use gold surfaces for biomolecule detection while incorporating nanoscale ... -
Development of Porous Carbon for High Performance Lithium-Sulphur Batteries
(University of Waterloo, 2016-12-14)In recent years we have seen an enormous increase in electronic device capabilities as users demand new and improved features in a smaller form factor. As a result, the power demands of these electronics are increasing at ... -
Design of Polymeric Sensing Materials for Volatile Organic Compounds: Optimized Material Selection for Ethanol with Mechanistic Explanations
(University of Waterloo, 2016-12-02)There are many applications in which sensing and monitoring volatile organic compounds (VOCs) and other gas analytes are important. This thesis focusses on finding suitable sensing materials for ethanol to reduce the ... -
Modeling and Experimental Studies of SO₂ Effects on CO₂ Capture with Chilled Ammonia Solvent
(University of Waterloo, 2016-11-18)Combustion of fossil fuel produces air emissions including carbon dioxide, nitric oxide, and sulfur dioxide, which cause severe environment problems, in particular, global warming and environmental pollution. The discharge ... -
Various aspects of single bacterial cell: from encapsulating nanoparticle, cell patterning and studying gene expression
(University of Waterloo, 2016-11-15)Behaviour of single bacterium have been mysterious for many years due to the technical difficulty and nature of bacteria forming communities. It has not been long since engineers and scientists have started to develop ... -
Catalytic Hydrogenolysis of Glycerol to 1-Propanol Using Bifunctional Catalysts in an Aqueous Media
(University of Waterloo, 2016-10-26)Biodiesel is an attractive alternative fuel obtained from renewable resources and glycerol is produced as a major byproduct in the biodiesel industry. Upgrading glycerol to other valuable chemicals will contribute to an ... -
Characterization of Ethylene/1-Octene Copolymers with High-Temperature Thermal Gradient Interaction Chromatography (HT-TGIC)
(University of Waterloo, 2016-10-18)Chemical composition distribution (CCD) of polyolefins is being measured by well established crystallization techniques, but they are limited to semi-crystalline polyolefins. High-temperature thermal gradient interaction ... -
Evaluation of Hybrid Electrically Conductive Adhesives
(University of Waterloo, 2016-10-13)An electrically conductive adhesive (ECA) is a composite material acting as a conductive paste, which consists of a thermoset loaded with conductive fillers (typically silver (Ag)). Many works that focus on this line of ... -
Modeling and Characterization of Lithium Iron Phosphate Battery Electrodes
(University of Waterloo, 2016-09-29)A detailed understanding of lithiation/delithiation dynamics of battery active materials is crucial both for optimizing the existing technologies and for developing new materials. Among all, LiFePO4 (LFP) has been subject ... -
Fabrication and Characterization of Metal-support for Solid Oxide Fuel Cells (MSOFCs)
(University of Waterloo, 2016-09-27)Solid oxide fuel cells (SOFCs) can generate electricity with higher efficiency and reduced carbon emissions compared with conventional power generation systems. Unlike many other fuel cells, SOFCs are beneficial in terms ... -
Evaluation of Mechanical Properties of Recycled Polyamide-Cellulose Fiber Composite
(University of Waterloo, 2016-09-21)Natural fiber as an alternative for glass fiber to reinforce thermoplastic in the automotive industry has already attracted many manufacturers’ interest because of its many benefits. Natural fiber is biodegradable, has ...