{"id":{"repo_id":"cape-town","oai_identifier":"oai:open.uct.ac.za:11427/10852"},"canonical_url":"https://search.dev.ndltd.org/etd/cape-town/oai:open.uct.ac.za:11427/10852","repository":{"repo_id":"cape-town","name":"University of Cape Town","base_url":"https://open.uct.ac.za/oai/request"},"display":{"title":"Selective catalytic hydrogenation for industrial 1-hexene purification","abstract":"Linear alpha-olefins, including 1-hexene, are used mainly as co-monomers in the production of polymers. The very low tolerance of the polymerisation catalyst to highly unsaturated impurities makes removal of these impurities from the olefin feedstock crucial. In South Africa, linear alpha-olefins are a major product of Fischer-Tropsch synthesis. A complex extractive distillation process is used to separate impurities from the product stream. A final polishing step by adsorption results in a significant loss of valuable alpha-olefin.","abstract_html":"Linear alpha-olefins, including 1-hexene, are used mainly as co-monomers in the production of polymers. The very low tolerance of the polymerisation catalyst to highly unsaturated impurities makes removal of these impurities from the olefin feedstock crucial. In South Africa, linear alpha-olefins are a major product of Fischer-Tropsch synthesis. A complex extractive distillation process is used to separate impurities from the product stream. A final polishing step by adsorption results in a significant loss of valuable alpha-olefin.","abstract_has_math":false,"creators":["McEwan, Lynsey"],"institution":"Department of Chemical Engineering","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2010,"date_issued":"2010","date_published":"2010","updated_at":"2026-07-22T22:23:16Z","subjects":[],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11427/10852","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["McEwan, Lynsey"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2015-01-01T12:41:42Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2015-01-01T12:41:42Z"]},{"key":"dc:date.issued","label":"Date","values":["2010"]},{"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":["Master Thesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["Masters"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["MSc"]}]},{"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/11427/10852"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Includes abstract.","Includes bibliographical references (leaves 79-82)."]},{"key":"dc:description.abstract","label":"Abstract","values":["Linear alpha-olefins, including 1-hexene, are used mainly as co-monomers in the production of polymers. The very low tolerance of the polymerisation catalyst to highly unsaturated impurities makes removal of these impurities from the olefin feedstock crucial. In South Africa, linear alpha-olefins are a major product of Fischer-Tropsch synthesis. A complex extractive distillation process is used to separate impurities from the product stream. A final polishing step by adsorption results in a significant loss of valuable alpha-olefin."]},{"key":"dc:title","label":"Title","values":["Selective catalytic hydrogenation for industrial 1-hexene purification"]}]}],"canonical_facts":{"dc:creator":["McEwan, Lynsey"],"dc:date.accessioned":["2015-01-01T12:41:42Z"],"dc:date.available":["2015-01-01T12:41:42Z"],"dc:date.issued":["2010"],"dc:description":["Includes abstract.","Includes bibliographical references (leaves 79-82)."],"dc:description.abstract":["Linear alpha-olefins, including 1-hexene, are used mainly as co-monomers in the production of polymers. The very low tolerance of the polymerisation catalyst to highly unsaturated impurities makes removal of these impurities from the olefin feedstock crucial. In South Africa, linear alpha-olefins are a major product of Fischer-Tropsch synthesis. A complex extractive distillation process is used to separate impurities from the product stream. A final polishing step by adsorption results in a significant loss of valuable alpha-olefin."],"dc:identifier.uri":["http://hdl.handle.net/11427/10852"],"dc:language.iso":["eng"],"dc:publisher.department":["Department of Chemical Engineering"],"dc:publisher.institution":["University of Cape Town"],"dc:title":["Selective catalytic hydrogenation for industrial 1-hexene purification"],"dc:type":["Master Thesis"],"dc:type.qualificationlevel":["Masters"],"dc:type.qualificationname":["MSc"]},"updated_at":"2026-07-22T22:23:16Z"}