{"id":{"repo_id":"uoit","oai_identifier":"oai:ontariotechu.scholaris.ca:10155/584"},"canonical_url":"https://search.dev.ndltd.org/etd/uoit/oai:ontariotechu.scholaris.ca:10155/584","repository":{"repo_id":"uoit","name":"Ontario Institute of Technology","base_url":"https://ontariotechu.scholaris.ca/server/oai/request"},"display":{"title":"First steps toward the construction of a channel cell for electrochemical studies under hydrothermal conditions","abstract":"The high-T,p channel flow cell (HT-CFC) for electrochemical studies under hydrothermal conditions would allow to investigate at a fundamental level the interaction between new materials and media conditions such those found in modern power plants, industrial processes, and geochemistry. A first CFC prototype was constructed and the performance of the cell was studied using the oxidation of ferrocyanide in 0.1M KCl as reference system under room temperature conditions. A numerical simulation software, COMSOL Multiphysics, was used to analyze the experimental results. At the same time, the thermal stability of hydroquinone (H2Q) and 1,4-benzoquinone (BQ), a redox couple that it could be used to extend the evaluation of the CFC to higher temperatures and pressures was also investigated using UV-visible spectroscopy up to 250 ˚C at 70 bar. These studies confirmed H2Q is stable in hot compressed water (pH ~ 2) up to at least 250 ˚C at 70 bar, but BQ, the oxidation production of H2Q, decomposes at temperatures lower than 100 ˚C with the formation H2Q and other non-absorbing products.","abstract_html":"The high-T,p channel flow cell (HT-CFC) for electrochemical studies under hydrothermal conditions would allow to investigate at a fundamental level the interaction between new materials and media conditions such those found in modern power plants, industrial processes, and geochemistry. A first CFC prototype was constructed and the performance of the cell was studied using the oxidation of ferrocyanide in 0.1M KCl as reference system under room temperature conditions. A numerical simulation software, COMSOL Multiphysics, was used to analyze the experimental results. At the same time, the thermal stability of hydroquinone (H2Q) and 1,4-benzoquinone (BQ), a redox couple that it could be used to extend the evaluation of the CFC to higher temperatures and pressures was also investigated using UV-visible spectroscopy up to 250 ˚C at 70 bar. These studies confirmed H2Q is stable in hot compressed water (pH ~ 2) up to at least 250 ˚C at 70 bar, but BQ, the oxidation production of H2Q, decomposes at temperatures lower than 100 ˚C with the formation H2Q and other non-absorbing products.","abstract_has_math":false,"creators":["Samiee, Fereshteh"],"institution":"University of Ontario Institute of Technology","degree_name":"Master of Science (MSc)","degree_level":null,"degree_discipline":"Materials Science","degree_department":null,"school":null,"contributors":[],"advisors":["Trevani, Liliana"],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-08-01","date_published":"2015-08-01","updated_at":"2026-07-24T05:35:38Z","subjects":["Hydrodynamic electrodes","Channel flow cell","UV-visible spectroscopy","COMSOL multiphysics","Numerical simulations"],"languages":["en"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/10155/584","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Trevani, Liliana"]},{"key":"dc:creator","label":"Author","values":["Samiee, Fereshteh"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2015-11-04T20:06:00Z","2022-03-29T17:33:59Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2015-11-04T20:06:00Z","2022-03-29T17:33:59Z"]},{"key":"dc:date.issued","label":"Date","values":["2015-08-01"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Materials Science"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science (MSc)"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Ontario Institute of Technology"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Hydrodynamic electrodes","Channel flow cell","UV-visible spectroscopy","COMSOL multiphysics","Numerical simulations"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://hdl.handle.net/10155/584"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The high-T,p channel flow cell (HT-CFC) for electrochemical studies under hydrothermal conditions would allow to investigate at a fundamental level the interaction between new materials and media conditions such those found in modern power plants, industrial processes, and geochemistry. A first CFC prototype was constructed and the performance of the cell was studied using the oxidation of ferrocyanide in 0.1M KCl as reference system under room temperature conditions. A numerical simulation software, COMSOL Multiphysics, was used to analyze the experimental results. At the same time, the thermal stability of hydroquinone (H2Q) and 1,4-benzoquinone (BQ), a redox couple that it could be used to extend the evaluation of the CFC to higher temperatures and pressures was also investigated using UV-visible spectroscopy up to 250 ˚C at 70 bar. These studies confirmed H2Q is stable in hot compressed water (pH ~ 2) up to at least 250 ˚C at 70 bar, but BQ, the oxidation production of H2Q, decomposes at temperatures lower than 100 ˚C with the formation H2Q and other non-absorbing products."]},{"key":"dc:title","label":"Title","values":["First steps toward the construction of a channel cell for electrochemical studies under hydrothermal conditions"]}]}],"canonical_facts":{"dc:contributor.advisor":["Trevani, Liliana"],"dc:creator":["Samiee, Fereshteh"],"dc:date.accessioned":["2015-11-04T20:06:00Z","2022-03-29T17:33:59Z"],"dc:date.available":["2015-11-04T20:06:00Z","2022-03-29T17:33:59Z"],"dc:date.issued":["2015-08-01"],"dc:description.abstract":["The high-T,p channel flow cell (HT-CFC) for electrochemical studies under hydrothermal conditions would allow to investigate at a fundamental level the interaction between new materials and media conditions such those found in modern power plants, industrial processes, and geochemistry. A first CFC prototype was constructed and the performance of the cell was studied using the oxidation of ferrocyanide in 0.1M KCl as reference system under room temperature conditions. A numerical simulation software, COMSOL Multiphysics, was used to analyze the experimental results. At the same time, the thermal stability of hydroquinone (H2Q) and 1,4-benzoquinone (BQ), a redox couple that it could be used to extend the evaluation of the CFC to higher temperatures and pressures was also investigated using UV-visible spectroscopy up to 250 ˚C at 70 bar. These studies confirmed H2Q is stable in hot compressed water (pH ~ 2) up to at least 250 ˚C at 70 bar, but BQ, the oxidation production of H2Q, decomposes at temperatures lower than 100 ˚C with the formation H2Q and other non-absorbing products."],"dc:identifier.uri":["https://hdl.handle.net/10155/584"],"dc:language.iso":["en"],"dc:subject":["Hydrodynamic electrodes","Channel flow cell","UV-visible spectroscopy","COMSOL multiphysics","Numerical simulations"],"dc:title":["First steps toward the construction of a channel cell for electrochemical studies under hydrothermal conditions"],"dc:type":["Thesis"],"thesis:degree_discipline":["Materials Science"],"thesis:degree_name":["Master of Science (MSc)"],"thesis:institution_name":["University of Ontario Institute of Technology"]},"updated_at":"2026-07-24T05:35:38Z"}