{"id":{"repo_id":"cape-town","oai_identifier":"oai:open.uct.ac.za:11427/18294"},"canonical_url":"https://search.dev.ndltd.org/etd/cape-town/oai:open.uct.ac.za:11427/18294","repository":{"repo_id":"cape-town","name":"University of Cape Town","base_url":"https://open.uct.ac.za/oai/request"},"display":{"title":"The reductive animation of ethanol using supported metal catalysts","abstract":"Silica supported cobalt, nickel and copper are efficient catalysts for the reductive amination of ethanol using ammonia. High selectivity to ethylamine product was obtained between reaction temperatures of 140 and 200°C, between ammonia to ethanol molar ratios ranging from 1 to 4 and between hydrogen to ethanol molar ratios ranging from 2 to 5. Depending on the partial pressures of the ethanol, ammonia and hydrogen feeds, different ethylamine selectivities were obtained. The degree of amine substitution was decreased (i.e. increasing MEA and decreasing DEA and TEA selectivities) by increasing the ammonia partial pressure or by decreasing either the ethanol or hydrogen partial pressures.","abstract_html":"Silica supported cobalt, nickel and copper are efficient catalysts for the reductive amination of ethanol using ammonia. High selectivity to ethylamine product was obtained between reaction temperatures of 140 and 200°C, between ammonia to ethanol molar ratios ranging from 1 to 4 and between hydrogen to ethanol molar ratios ranging from 2 to 5. Depending on the partial pressures of the ethanol, ammonia and hydrogen feeds, different ethylamine selectivities were obtained. The degree of amine substitution was decreased (i.e. increasing MEA and decreasing DEA and TEA selectivities) by increasing the ammonia partial pressure or by decreasing either the ethanol or hydrogen partial pressures.","abstract_has_math":false,"creators":["Sewell, Gary Stanton"],"institution":"Department of Chemical Engineering","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Van Steen, Eric","O'Connor, Cyril"],"committee_chairs":[],"committee_members":[],"year":1996,"date_issued":"1996","date_published":"1996","updated_at":"2026-07-22T22:23:42Z","subjects":[],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11427/18294","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Van Steen, Eric","O'Connor, Cyril"]},{"key":"dc:creator","label":"Author","values":["Sewell, Gary Stanton"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2016-03-28T14:37:56Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2016-03-28T14:37:56Z"]},{"key":"dc:date.issued","label":"Date","values":["1996"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Department of Chemical Engineering"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["University of Cape Town"]},{"key":"dc:type","label":"Dc Type","values":["Doctoral Thesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["Doctoral"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["PhD"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11427/18294"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Includes bibliographical references."]},{"key":"dc:description.abstract","label":"Abstract","values":["Silica supported cobalt, nickel and copper are efficient catalysts for the reductive amination of ethanol using ammonia. High selectivity to ethylamine product was obtained between reaction temperatures of 140 and 200°C, between ammonia to ethanol molar ratios ranging from 1 to 4 and between hydrogen to ethanol molar ratios ranging from 2 to 5. Depending on the partial pressures of the ethanol, ammonia and hydrogen feeds, different ethylamine selectivities were obtained. The degree of amine substitution was decreased (i.e. increasing MEA and decreasing DEA and TEA selectivities) by increasing the ammonia partial pressure or by decreasing either the ethanol or hydrogen partial pressures."]},{"key":"dc:title","label":"Title","values":["The reductive animation of ethanol using supported metal catalysts"]}]}],"canonical_facts":{"dc:contributor.advisor":["Van Steen, Eric","O'Connor, Cyril"],"dc:creator":["Sewell, Gary Stanton"],"dc:date.accessioned":["2016-03-28T14:37:56Z"],"dc:date.available":["2016-03-28T14:37:56Z"],"dc:date.issued":["1996"],"dc:description":["Includes bibliographical references."],"dc:description.abstract":["Silica supported cobalt, nickel and copper are efficient catalysts for the reductive amination of ethanol using ammonia. High selectivity to ethylamine product was obtained between reaction temperatures of 140 and 200°C, between ammonia to ethanol molar ratios ranging from 1 to 4 and between hydrogen to ethanol molar ratios ranging from 2 to 5. Depending on the partial pressures of the ethanol, ammonia and hydrogen feeds, different ethylamine selectivities were obtained. The degree of amine substitution was decreased (i.e. increasing MEA and decreasing DEA and TEA selectivities) by increasing the ammonia partial pressure or by decreasing either the ethanol or hydrogen partial pressures."],"dc:identifier.uri":["http://hdl.handle.net/11427/18294"],"dc:language.iso":["eng"],"dc:publisher.department":["Department of Chemical Engineering"],"dc:publisher.institution":["University of Cape Town"],"dc:title":["The reductive animation of ethanol using supported metal catalysts"],"dc:type":["Doctoral Thesis"],"dc:type.qualificationlevel":["Doctoral"],"dc:type.qualificationname":["PhD"]},"updated_at":"2026-07-22T22:23:42Z"}