Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 15 of 15 for “"electrochemical reactor"”.
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Oxidation of butene over platinum catalysts in a zirconia-yttria electrochemical reactor
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1986.
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Modeling, Simulation, and Optimization of an Electroorganic Process Flowsheet
… electroorganic process flowsheet. A model of an electrochemical reactor based upon fundamental principles was developed for the electrolytic oxidation of secondary butyl alcohol to methyl ethyl ketone in an aqueous sulfuric acid solution. Experimental measurements were performed to calculate rate …
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Electrochemical Disinfection of Liquid Human Waste Using Potentiodynamic Methods and Controlled Electrode Surface Chemistry
… human liquid waste, or, blackwater. Herein, electrochemical disinfection as a means of treating blackwater is investigated using degenerately boron-doped diamond and Magnéli-phase titanium sub-oxide electrodes. It is found that both can be operated in potentiodynamic modes to control surface …
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Modeling of Parallel Plate Electrochemical Reactors and Liquid Tin Anode Solid Oxide Fuel Cells
… One way to remediate the toxic waste is to use electrochemical reactions to convert the toxic waste into a naturally occurring non toxic species through use of a parallel plate electrochemical reactor. A model is presented for the reduction of hexavalent chromium in a parallel plate …
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An investigation of improvements to electrochemical precipitation of struvite from source separated urine
… be expensive. Previous studies have proven that electrochemical dosing of magnesium is a feasible and reliable method of struvite precipitation. It not only produces high grade struvite that is valuable and marketable, but it also eliminates the need for alkalinity dosing in order to create a …
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ELECTROCHEMICAL ORGANIC TRANSFORMATIONS: FROM THE DEVELOPMENT OF ENANTIOSELECTIVE STRATEGIES TO CONTINUOUS-FLOW METHODOLOGIES
… and scalability. This thesis explores electrochemical strategies for C(sp2)-C(sp3) bond formation, rearrangements, and C-Cl bond construction in both aliphatic and (hetero)aromatic frameworks. In the first part, the enantioselective α-chlorination of aldehydes is revisited by replacing …
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Pressure drop, liquid holdup and mass transfer in a graphite fibre bed with upward co-current gas-liquid flow
… mass transfer capacity was determined by the electrochemical reaction method with the electro-reduction of oxygen to peroxide. The electrochemical reactor used consisted of graphite fibre cathode bed of dimension 89 mm long by 38 mm wide by3 mm thick. The cathode was separated from the anode …
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Electrochemical engineering of low-cost and high-power redox flow batteries
… tanks. The electrolyte is pumped through an electrochemical reactor where the active species are oxidized or reduced. The size of the reactor determines the power rating, while the tank volume determines the total energy capacity, enabling scalability unique to this architecture. Recent …
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Treatment of Oil-Sands Produced Water by Electrocoagulation
… and iron electrodes materials, as well as their electrochemical behavior, was investigated. Fe-EC had current efficiencies between 90-95%, while Al-EC showed larger than 100% current efficiencies. Besides operating parameters, different electrochemical reactor designs were also tested. …
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Leveraging System-Level Analyses and Techno-Economic Modeling to Inform the Viability of Electrochemically-Mediated CO₂ Separation
… for CO₂ at ambient conditions. Alternatively, electrochemical capture systems may enable CO₂ removal from flue gas streams at higher energetic efficiencies while also offering more modular and scalable designs. However, direct comparisons between the thermochemical and electrochemical …
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Investigation of novel ammonia production options using photoelectrochemical hydrogen
… and experimentally investigates the photoelectrochemical production of hydrogen and electrochemical synthesis of ammonia in a cleaner and integrated manner. In this respect, the main objective of this thesis is to develop a novel solar energy based ammonia production system integrated to …
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Membrane Electrochemical Treatment of Landfill Leachate: Processes, Performance and Challenges
… when leachate co-treatment is applied. Membrane electrochemical reactor (MER) treatment was investigated to reduce the UV quenching capability and simultaneously recover resources in the leachate as an effective onsite pre-treatment. Ion-selective membranes were used in this MER to create two …
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Engineering of Microbial Fuel Cells technology: Materials, Modelling and Architecture
A Microbial fuel cell (MFC) is a bio-electrochemical reactor, able to convert chemical energy, contained in organic substrate, in electrical energy, thanks to the metabolic activity of microorganisms. Firstly, a fluid-dynamic modelling of different Microbial Fuel Cell configurations to study …
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Integration of Photovoltaic Systems and Electrochemical Technologies Toward Carbon Neutrality: Experimental and Modeling Study
L'abstract è presente nell'allegato / the abstract is in the attachment