{"id":{"repo_id":"calgary","oai_identifier":"oai:ucalgary.scholaris.ca:11023/2974"},"canonical_url":"https://search.dev.ndltd.org/etd/calgary/oai:ucalgary.scholaris.ca:11023/2974","repository":{"repo_id":"calgary","name":"University of Calgary","base_url":"https://ucalgary.scholaris.ca/server/oai/request"},"display":{"title":"Role of Nanosize Effects on the Adsorptive and Catalytic Properties of NiO Nanoparticles towards Heavy Hydrocarbons","abstract":"The effect of NiO nanoparticle size was studied to understand its impact on adsorption and catalytic activity during oil recovery and upgrading. A series of different-sized NiO nanoparticles between 5 and 80 nm were prepared. XRD, BET, FTIR, HRTEM and TGA were used to characterize the nanosize effect on the textural properties, shape and morphology. Quinolin-65 (Q-65) was first used as an asphaltene model molecule. Langmuir and Freundlich adsorption isotherms models and computational modeling for the interaction between NiO nanoparticle surface and Q-65 were carried out to understand the adsorption behavior. TGA/DTA and TGA-MS techniques were used to study the effect of NiO nanosizes on catalytic thermo-oxidative decomposition of the adsorbed Q-65. The entire study was repeated using visbroken residue n-C5 asphaltenes. For both Q-65 and n-C5 asphaltene post-adsorption oxidation, the Kissinger-Akahira-Sunose (KAS) kinetic method was used to estimate the kinetic triplets, namely f (α), Eα and Aα.","abstract_html":"The effect of NiO nanoparticle size was studied to understand its impact on adsorption and catalytic activity during oil recovery and upgrading. A series of different-sized NiO nanoparticles between 5 and 80 nm were prepared. XRD, BET, FTIR, HRTEM and TGA were used to characterize the nanosize effect on the textural properties, shape and morphology. Quinolin-65 (Q-65) was first used as an asphaltene model molecule. Langmuir and Freundlich adsorption isotherms models and computational modeling for the interaction between NiO nanoparticle surface and Q-65 were carried out to understand the adsorption behavior. TGA/DTA and TGA-MS techniques were used to study the effect of NiO nanosizes on catalytic thermo-oxidative decomposition of the adsorbed Q-65. The entire study was repeated using visbroken residue n-C5 asphaltenes. For both Q-65 and n-C5 asphaltene post-adsorption oxidation, the Kissinger-Akahira-Sunose (KAS) kinetic method was used to estimate the kinetic triplets, namely f (α), Eα and Aα.","abstract_has_math":false,"creators":["Marei, Nedal Nael"],"institution":"Graduate Studies","degree_name":"Master of Science (MSc)","degree_level":null,"degree_discipline":"Chemical and Petroleum Engineering","degree_department":null,"school":null,"contributors":[],"advisors":["Nassar, Nashaat"],"committee_chairs":[],"committee_members":["Kallos, Michael","Bergerson, Joule"],"year":2016,"date_issued":"2016","date_published":"2016","updated_at":"2026-07-24T01:30:13Z","subjects":["Chemistry--Inorganic","Chemistry--Organic","Chemistry--Physical","Physics--Atomic","Physics--Molecular","Physics--Theory","Engineering--Chemical","Engineering--Environmental"],"languages":["eng"],"rights":["University of Calgary graduate students retain copyright ownership and moral rights for their thesis. 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Quinolin-65 (Q-65) was first used as an asphaltene model molecule. Langmuir and Freundlich adsorption isotherms models and computational modeling for the interaction between NiO nanoparticle surface and Q-65 were carried out to understand the adsorption behavior. TGA/DTA and TGA-MS techniques were used to study the effect of NiO nanosizes on catalytic thermo-oxidative decomposition of the adsorbed Q-65. The entire study was repeated using visbroken residue n-C5 asphaltenes. For both Q-65 and n-C5 asphaltene post-adsorption oxidation, the Kissinger-Akahira-Sunose (KAS) kinetic method was used to estimate the kinetic triplets, namely f (α), Eα and Aα."]},{"key":"dc:title","label":"Title","values":["Role of Nanosize Effects on the Adsorptive and Catalytic Properties of NiO Nanoparticles towards Heavy Hydrocarbons"]}]}],"canonical_facts":{"dc:contributor.advisor":["Nassar, Nashaat"],"dc:contributor.committeemember":["Kallos, Michael","Bergerson, Joule"],"dc:creator":["Marei, Nedal Nael"],"dc:date.accessioned":["2016-05-05T15:50:03Z"],"dc:date.available":["2016-05-05T15:50:03Z"],"dc:date.issued":["2016"],"dc:description.abstract":["The effect of NiO nanoparticle size was studied to understand its impact on adsorption and catalytic activity during oil recovery and upgrading. A series of different-sized NiO nanoparticles between 5 and 80 nm were prepared. 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