Chemical Engineering: Recent submissions
Now showing items 61-80 of 988
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Using Polymers to Improve the Performance of Sulfur and Organic Cathodes
(University of Waterloo, 2022-10-28)Pollution, climate change and the rapid consumption of fossil fuel resources are driving the development and adoption of clean and renewable energy sources, including hydro, wind and solar power, as well as non-fossil fuel ... -
Dynamic modeling of recirculating aquaculture systems with an integrated application of nonlinear model predictive control and moving horizon estimation
(University of Waterloo, 2022-09-30)Growing concerns regarding the sustainability of the aquaculture industry has led to the development of recirculating aquaculture systems (RAS) where the addition of wastewater treatment units is accompanied by a reduction ... -
Examination of binding elements and conditions of Cryptosporidium parvum oocysts to assess its detection potential in water
(University of Waterloo, 2022-09-29)Cryptosporidium parvum is an intestinal parasite that can be spread through environmental and recreational waters, most often in the form of oocysts. As an oocyst, this parasite is resistant to chlorine disinfection, and ... -
Comprehensive approach to enhance perovskite solar cells efficiency and stability through charge transport and interlayer modifications
(University of Waterloo, 2022-09-28)Perovskite solar cells (PSCs) having numerous advantages for photovoltaic applications, such as high absorption coefficient, tunable bandgap, high crystallinity and long carrier diffusion length, attracted significant ... -
Highly Filled, Durable, and Sustainable Wood-Plastic Composites from Recycled Thermoplastics
(University of Waterloo, 2022-09-26)The increasing concern for environmental sustainability and the accumulation of solid waste (e.g. single-use plastics) has led to an increased interest in the utilization of renewable feedstocks and recycling of plastics ... -
Study of the Effects of Long Carbamate Chain on Indigoid-Based Donor-Acceptor Polymers for Organic Electronic Applications
(University of Waterloo, 2022-09-26)Novel donor-acceptor polymers based on indigoid building blocks, hemi-isoindigo and isoindigo, with the substitution of long carbamate side chains were synthesized for organic solar cells (OSCs) and organic field-effect ... -
Scheduling process operations under uncertainty and integration with long term planning
(University of Waterloo, 2022-09-22)This thesis centers upon the application of mathematical modelling, optimization theory and uncertainty analysis to the problem of scheduling batch operations for large scale industries. Over the years, decision making ... -
Design of Functional Coating on Cellulose Nanocrystals for Advanced Applications
(University of Waterloo, 2022-09-20)As a result of the increasing demand for high-performance, sustainable consumer products, renewable materials with benign characteristics are receiving considerable attention. Among many renewable materials, cellulose ... -
Ionic liquid/surfactant mixtures as multi-functional electrolytes for graphene-based supercapacitors
(University of Waterloo, 2022-08-26)Supercapacitors store energy by the restructuring of ions at the electrode/electrolyte interface under an applied potential. Supercapacitors bridge the gap between batteries, which are high energy density devices, and ... -
Graft mechanical compliance in vascular patency
(University of Waterloo, 2022-08-26)With the growing age of average population throughout the world, progress of biomaterials research is important to overcome current limitations. Vascular graft is one of the examples. Currently, synthetic vascular grafts ... -
Improved Slow Feature Analysis for Process Monitoring
(University of Waterloo, 2022-08-22)Unsupervised multivariate statistical analysis models are valuable tools for process monitoring and fault diagnosis. Among them, slow feature analysis (SFA) is widely studied and used due to its explicit statistical ... -
Electrolyte Design for All-Solid-State Lithium Metal Batteries
(University of Waterloo, 2022-08-19)Although one of the most mature battery technologies, lithium-ion batteries still have many aspects that have not reached the desired requirements, such as energy density, current density, safety, environmental compatibility, ... -
Development of Nanogel Templated and Sustainable Nanomaterials for Environmental Applications
(University of Waterloo, 2022-08-02)Water treatment is attracting increasing attention due to its important role in providing safe water for human activities. In this doctoral research, various advanced nanomaterials were developed and demonstrated in several ... -
Pore Network Modeling of Hydrodynamic Dispersion and Irreversible Adsorption of Nanoparticles in Partially Saturated Granular Media
(University of Waterloo, 2022-07-20)The transport of nanoparticles in porous media, whether deliberate or accidental, is of critical importance in several fields including migration of contaminants, wastewater clean-up, and enhanced oil recovery. Pore scale ... -
Deep deterministic policy gradient: applications in process control and integrated process design and control
(University of Waterloo, 2022-06-20)In recent years, the urgent need to develop sustainable processes to fight the negative effects of climate change has gained global attention and has led to the transition into renewable energies. As renewable sources ... -
Reduction of Hospital Environmental Contamination Using Automatic UV Room Disinfection
(Global Biorisk Advisory Council, 2021-08-21)The use of mobile ultraviolet (UV) germicidal irradiation has been documented to reduce contamination levels and HAIs in hospitals. However, there is a general lack of information on the efficacy of wall-mounted, automated ... -
Toxicity associated with the photo catalytic and photo stable forms of titanium dioxide nanoparticles used in sunscreen
(MedCrave, 2015-12-06)The increasing number of applications using titanium dioxide nanoparticles (nano-TiO2) highlights the need to continuously and systematically investigate its toxicity. Particle size, surface area and dose are the classical ... -
Comparing Non-Steady State Emissions under Start-Up and Shut-Down Operating Conditions with Steady State Emissions for Several Industrial Sectors: A Literature Review
(Multidisciplinary Digital Publishing Institute, 2017-02-04)This study investigates the emissions of various industrial facilities under start-up, shut-down, and normal operations. The industries that have been investigated include power and/or heat generation, energy-from-waste ... -
Degradation and Toxicity Assay During Electrocatalysis of Chlorobenzene in Aqueous Solution
(ESG, 2015-12-01)The degradation and toxicity assay on a three-dimensional electrocatalytic oxidation (ECO) of organic pollutants were described in this paper. Aqueous chlorobenzene (CB, 50 mg/L) was chosen as model pollutant and C. vulgaris ... -
Synthesis of Vertically-Aligned Zinc Oxide Nanowires and Their Application as a Photocatalyst
(Multidisciplinary Digital Publishing Institute, 2017-01-11)Vertically aligned zinc oxide (ZnO) nanowires were hydrothermally synthesized on a glass substrate with the assistance of a pre-coated ZnO seeding layer. The crystalline structure, morphology and transmission spectrum of ...