{"id":{"repo_id":"wvu","oai_identifier":"oai:researchrepository.wvu.edu:etd-2199"},"canonical_url":"https://search.dev.ndltd.org/etd/wvu/oai:researchrepository.wvu.edu:etd-2199","repository":{"repo_id":"wvu","name":"West Virginia University","base_url":"https://researchrepository.wvu.edu/do/oai/"},"display":{"title":"New catalysts for syngas production from carbon dioxide and methane","abstract":"The performance of cobalt tungsten carbide material was investigated for CH4/CO2 reforming. The catalyst was found to convert to a very stable, very active, form when heated in CH4/CO 2 at 850°C and 5 atm. Even after 90 hours on stream, CH4 and CO2 rates of 1.3 and 1.25 mmol/min/g respectively are obtained, with CO yields of 76% and H2/CO ratio close to unity. XRD patterns suggest a phase transformation to WC+Co+C. SEM images suggest formation of encapsulated carbon and whisker carbon.;The kinetics of CH4/CO2 reforming was studied under differential conditions over 500--600°C. The observed rates seem to follow a Langmuir-Hinshelwood type of reaction mechanism. A scheme consisting of four reactions was considered: methane reforming, reverse water gas shift, carbon deposition and reverse boudouard. Carbon deposition and carbon removal are generally disregarded in most of the reported kinetic-models. The parameters of the model were successfully estimated. The comparison plots of the observed data and the predicted model show a good fit.","abstract_html":"The performance of cobalt tungsten carbide material was investigated for CH4/CO2 reforming. The catalyst was found to convert to a very stable, very active, form when heated in CH4/CO 2 at 850°C and 5 atm. Even after 90 hours on stream, CH4 and CO2 rates of 1.3 and 1.25 mmol/min/g respectively are obtained, with CO yields of 76% and H2/CO ratio close to unity. XRD patterns suggest a phase transformation to WC+Co+C. SEM images suggest formation of encapsulated carbon and whisker carbon.;The kinetics of CH4/CO2 reforming was studied under differential conditions over 500--600°C. The observed rates seem to follow a Langmuir-Hinshelwood type of reaction mechanism. A scheme consisting of four reactions was considered: methane reforming, reverse water gas shift, carbon deposition and reverse boudouard. Carbon deposition and carbon removal are generally disregarded in most of the reported kinetic-models. The parameters of the model were successfully estimated. The comparison plots of the observed data and the predicted model show a good fit.","abstract_has_math":false,"creators":["Iyer, Mahesh Venkataraman"],"institution":null,"degree_name":"MS","degree_level":"Thesis","degree_discipline":"Chemical and Biomedical Engineering","degree_department":null,"school":null,"contributors":["Edwin L. Kugler."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2001,"date_issued":"2001-12-01T08:00:00Z","date_published":"2001-12-01T08:00:00Z","updated_at":"2026-07-24T06:15:23Z","subjects":["Chemical engineering","Energy"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["https://researchrepository.wvu.edu/etd/1196"],"render_values":[{"text":"https://researchrepository.wvu.edu/etd/1196","href":"https://researchrepository.wvu.edu/etd/1196","code":true}]}]},"links":{"outbound_url":"https://doi.org/10.33915/etd.1196","outbound_label":"DOI","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Edwin L. 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The catalyst was found to convert to a very stable, very active, form when heated in CH4/CO 2 at 850°C and 5 atm. Even after 90 hours on stream, CH4 and CO2 rates of 1.3 and 1.25 mmol/min/g respectively are obtained, with CO yields of 76% and H2/CO ratio close to unity. XRD patterns suggest a phase transformation to WC+Co+C. SEM images suggest formation of encapsulated carbon and whisker carbon.;The kinetics of CH4/CO2 reforming was studied under differential conditions over 500--600°C. The observed rates seem to follow a Langmuir-Hinshelwood type of reaction mechanism. A scheme consisting of four reactions was considered: methane reforming, reverse water gas shift, carbon deposition and reverse boudouard. Carbon deposition and carbon removal are generally disregarded in most of the reported kinetic-models. The parameters of the model were successfully estimated. The comparison plots of the observed data and the predicted model show a good fit."]},{"key":"dc:title","label":"Title","values":["New catalysts for syngas production from carbon dioxide and methane"]}]}],"canonical_facts":{"dc:contributor":["Edwin L. Kugler."],"dc:creator":["Iyer, Mahesh Venkataraman"],"dc:date.available":["2019-01-17T08:00:00Z"],"dc:description.abstract":["The performance of cobalt tungsten carbide material was investigated for CH4/CO2 reforming. The catalyst was found to convert to a very stable, very active, form when heated in CH4/CO 2 at 850°C and 5 atm. Even after 90 hours on stream, CH4 and CO2 rates of 1.3 and 1.25 mmol/min/g respectively are obtained, with CO yields of 76% and H2/CO ratio close to unity. XRD patterns suggest a phase transformation to WC+Co+C. SEM images suggest formation of encapsulated carbon and whisker carbon.;The kinetics of CH4/CO2 reforming was studied under differential conditions over 500--600°C. The observed rates seem to follow a Langmuir-Hinshelwood type of reaction mechanism. A scheme consisting of four reactions was considered: methane reforming, reverse water gas shift, carbon deposition and reverse boudouard. Carbon deposition and carbon removal are generally disregarded in most of the reported kinetic-models. The parameters of the model were successfully estimated. The comparison plots of the observed data and the predicted model show a good fit."],"dc:identifier":["https://doi.org/10.33915/etd.1196","https://researchrepository.wvu.edu/etd/1196"],"dc:subject":["Chemical engineering","Energy"],"dc:title":["New catalysts for syngas production from carbon dioxide and methane"],"thesis:degree_discipline":["Chemical and Biomedical Engineering"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["MS"]},"updated_at":"2026-07-24T06:15:23Z"}