Chemical Engineering, Department of
The Department of Chemical Engineering combines the study of mathematics, chemistry, physics and biology, with engineering science, design, and economics. Students at the Department learn how to design safe, efficient, environmentally-friendly, sustainable and economical processes and products.
This community includes research outputs produced by faculty and students. Submitting works to QSpace may enable compliance with the Tri-Agency Open Access Policy on Publications.
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Recent Submissions
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Functional Nitroxyls for Polypropylene Modification
Chemistry for introducing a long-chain branch (LCB) architecture to linear, isotactic polypropylene (PP) is described, wherein degradation of the polymer matrix through β-scission of macroradicals is inhibited by an additive ... -
Polymeric Liquid Behavior in Oscillatory Shear Flow
One of the great challenges in chemical engineering is to predict physical properties from molecular structure. Predicting transport properties presents special challenges, especially for macromolecular structures. This ... -
Improved recipes for leuco-crystal violet micelle gel dosimeters
An optimized recipe for a radiochromic micelle (RM) leuco-crystal violet (LCV) gel dosimeter was proposed using full-factorial designed experiments and model-based optimization. Linear regression models were used to optimize ... -
Development of a solid-phase extraction method for the separation of algal lipid classes
Algal oils have been extensively used as feedstocks for the production of biodiesel. These can be obtained using one of several extraction techniques, such as Soxhlet extraction. A critical issue is the presence of compounds ... -
Sequential Model-Based A- and V-Optimal Design of Experiments for Building Fundamental Models of Pharmaceutical Production Processes
(Elsevier BV, 2019-07-02)Sequential model-based A- and V-optimal experimental designs are known to be effective for maximizing the information content of data, leading to reliable parameter estimates and model predictions. A- and V-optimal designs ... -
Extractable content of functional acrylic resins produced by radical copolymerization: A comparison of experiment and stochastic simulation
(Elsevier BV, 2019-12-15)A comprehensive stochastic simulator that considers all probable secondary reactions essential for the description of high-temperature radical copolymerization of acrylate/methacrylate is implemented based on previously ... -
Electrokinetic Assembly of Nanoparticles for Surface-Enhanced Raman Scattering-Based (Bio)Chemical Sensing
Surface-enhanced Raman scattering (SERS) enables sensitive detection of (bio)chemical analytes. However, the need for nanostructured noble metal substrates poses a major obstacle to its application. In this thesis, we ... -
Exploiting the Unique Plasmonic Phenomenon of Metallic Nanostructures for Sensing and Biosensing Applications
Real-time, accurate sensing promoted by analytical sensors is extremely important for advances in drug discovery, disease diagnosis and for studying biological systems. In particular, label-free surface plasmon resonance ... -
Startup Steady Shear Flow from the Oldroyd 8-Constant Framework
(2019-01)One good way to explore fluid microstructure, experimentally, is to suddenly subject the fluid to a large steady shearing deformation, and to then observe the evolving stress response. If the steady shear rate is high ... -
Hydrodynamic Interaction for Rigid Dumbbell Suspensions in Steady Shear Flow
(2018-12)From kinetic molecular theory, we can attribute the rheological behaviors of polymeric liquids to macromolecular orientation. The simplest model to capture the orientation of macromolecules is the rigid dumbbell. For a ... -
Modulating the Inflammatory Response of Macrophages on Biomaterial Surfaces
The foreign body response is an inflammatory response to implanted materials and poses significant challenges for biomaterials-based medical applications, often leading to the degradation or fibrous encapsulation of an ... -
An Efficient Process for the Cu(0)-Catalyzed Controlled Radical Synthesis and Subsequent Chain Extension of Poly(Methyl Acrylate) Macroinitiator
Copper mediated polymerization is used to produce poly(methyl acrylate) with an average degree of polymerization of 10 (P(MA)10) and narrow distribution in both batch and continuous tubular reactors at ambient temperature. ... -
The biological treatment of synthetic fracking fluid in an extractive membrane bioreactor: Selective transport and biodegradation of hydrophobic and hydrophilic contaminants
(2019-06-05)The biodegradation of selected organic constituents present in hydraulic fracturing wastewater were examined in an extractive membrane bioreactor (EMB) operating with Hytrel™ 3548 tubing. Synthetic hydraulic fracturing ... -
Reversible Photoisomerization from Borepin to Boratanorcaradiene and Double Aryl Migration from Boron to Carbon
(2019-03-26)B(npy)Ar2 (npy=2-(naphthalen-1-yl)pyridine) compounds bearing various nonbulky aryl groups undergo a clean and sequential two-step photoisomerization in which two aryl substituents on boron migrate to a carbon atom of the ... -
Exfoliation of graphite and expanded graphite by melt compounding to prepare reinforced, thermally and electrically conducting polyamide composites
(2019-04-02)High performance composites based on a thermoplastic polyamide matrix containing well dispersed graphene nanoplatelets are prepared, by delaminating expanded graphite (EG) into its constituent graphene nanoplatelet (GNP) ... -
Degradation and Crystallization Studies of Branched PLA Prepared by Reactive Extrusion
This thesis proposes strategies to improve the crystallinity and mechanical properties of poly(lactic acid) (PLA) and investigates the effects of these modifications on hydrolytic degradation. The effect of long-chain ... -
Molecular Continua for Polymeric Liquids in Large-Amplitude Oscillatory Shear Flow
(2017-05)In this paper, we connect a molecular description of the rheology of a polymeric liquid to a continuum description, and then test this connection for large-amplitude oscillatory shear flow (LAOS). Specifically, for the ... -
Simple Accurate Expressions for Shear Stress in Large-Amplitude Oscillatory Shear Flow
(2017-05)Analytical solutions for shear stress in large-amplitude oscillatory shear flow (LAOS), for continuum or molecular models, often take the form of the first few terms of a power series in the shear rate amplitude. For ... -
Padé Approximant for Normal Stress Differences in Large-Amplitude Oscillatory Shear Flow
(2017-11)Analytical solutions for the normal stress differences in large-amplitude oscillatory shear flow (LAOS), for continuum or molecular models, normally take the form of the first few terms of a series expansion in the shear ... -
Nonlinear Core Deflection in Injection Molding
(2018-02)Injection molding of thin slender parts is often complicated by core deflection. This deflection is caused by molten plastics race tracking through the slit between the core and the rigid cavity wall. The pressure of this ...
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