{"id":{"repo_id":"cape-town","oai_identifier":"oai:open.uct.ac.za:11427/13894"},"canonical_url":"https://search.dev.ndltd.org/etd/cape-town/oai:open.uct.ac.za:11427/13894","repository":{"repo_id":"cape-town","name":"University of Cape Town","base_url":"https://open.uct.ac.za/oai/request"},"display":{"title":"Characterisation of silicalite and post synthesis modified silicalite using adsorption","abstract":"The study of adsorption on microporous materials such as zeolites is of tremendous scientific and industrial interest. The effective development and design of both equipment and processes is reliant on the availability of accurate information on the processes of adsorption in these materials. Zeolites, of the type studied in this thesis, are becoming increasingly important in a wide range of fields such as ion-exchange, purification, separations particularly of close boiling compounds and catalytic processes. The work presented had two primary objectives. The first was the design and construction of a reliable apparatus for the measurement of adsorption isotherms. This adsorption apparatus was based upon the gravimetric technique due to the reliability, high sensitivity and the widespread use of this type of technique. The system constructed was a flow system as opposed to the more commonly used vacuum system. The choice of a flow gravimetric system introduces a number of advantages: * The effect of the heat of adsorption is reduced * The system is better able to replicate industrial conditions * The gravimetric technique is simple to use .","abstract_html":"The study of adsorption on microporous materials such as zeolites is of tremendous scientific and industrial interest. The effective development and design of both equipment and processes is reliant on the availability of accurate information on the processes of adsorption in these materials. Zeolites, of the type studied in this thesis, are becoming increasingly important in a wide range of fields such as ion-exchange, purification, separations particularly of close boiling compounds and catalytic processes. The work presented had two primary objectives. The first was the design and construction of a reliable apparatus for the measurement of adsorption isotherms. This adsorption apparatus was based upon the gravimetric technique due to the reliability, high sensitivity and the widespread use of this type of technique. The system constructed was a flow system as opposed to the more commonly used vacuum system. The choice of a flow gravimetric system introduces a number of advantages: * The effect of the heat of adsorption is reduced * The system is better able to replicate industrial conditions * The gravimetric technique is simple to use .","abstract_has_math":false,"creators":["Halhead, Michael David"],"institution":"Department of Chemical Engineering","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Möller, K P"],"committee_chairs":[],"committee_members":[],"year":2001,"date_issued":"2001","date_published":"2001","updated_at":"2026-07-22T22:23:35Z","subjects":[],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11427/13894","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Möller, K P"]},{"key":"dc:creator","label":"Author","values":["Halhead, Michael David"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2015-09-14T18:06:24Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2015-09-14T18:06:24Z"]},{"key":"dc:date.issued","label":"Date","values":["2001"]},{"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 (Eng)"]}]},{"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/11427/13894"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Bibliography: leaves 89-96."]},{"key":"dc:description.abstract","label":"Abstract","values":["The study of adsorption on microporous materials such as zeolites is of tremendous scientific and industrial interest. The effective development and design of both equipment and processes is reliant on the availability of accurate information on the processes of adsorption in these materials. Zeolites, of the type studied in this thesis, are becoming increasingly important in a wide range of fields such as ion-exchange, purification, separations particularly of close boiling compounds and catalytic processes. The work presented had two primary objectives. The first was the design and construction of a reliable apparatus for the measurement of adsorption isotherms. This adsorption apparatus was based upon the gravimetric technique due to the reliability, high sensitivity and the widespread use of this type of technique. The system constructed was a flow system as opposed to the more commonly used vacuum system. The choice of a flow gravimetric system introduces a number of advantages: * The effect of the heat of adsorption is reduced * The system is better able to replicate industrial conditions * The gravimetric technique is simple to use ."]},{"key":"dc:title","label":"Title","values":["Characterisation of silicalite and post synthesis modified silicalite using adsorption"]}]}],"canonical_facts":{"dc:contributor.advisor":["Möller, K P"],"dc:creator":["Halhead, Michael David"],"dc:date.accessioned":["2015-09-14T18:06:24Z"],"dc:date.available":["2015-09-14T18:06:24Z"],"dc:date.issued":["2001"],"dc:description":["Bibliography: leaves 89-96."],"dc:description.abstract":["The study of adsorption on microporous materials such as zeolites is of tremendous scientific and industrial interest. The effective development and design of both equipment and processes is reliant on the availability of accurate information on the processes of adsorption in these materials. Zeolites, of the type studied in this thesis, are becoming increasingly important in a wide range of fields such as ion-exchange, purification, separations particularly of close boiling compounds and catalytic processes. The work presented had two primary objectives. The first was the design and construction of a reliable apparatus for the measurement of adsorption isotherms. This adsorption apparatus was based upon the gravimetric technique due to the reliability, high sensitivity and the widespread use of this type of technique. The system constructed was a flow system as opposed to the more commonly used vacuum system. The choice of a flow gravimetric system introduces a number of advantages: * The effect of the heat of adsorption is reduced * The system is better able to replicate industrial conditions * The gravimetric technique is simple to use ."],"dc:identifier.uri":["http://hdl.handle.net/11427/13894"],"dc:language.iso":["eng"],"dc:publisher.department":["Department of Chemical Engineering"],"dc:publisher.institution":["University of Cape Town"],"dc:title":["Characterisation of silicalite and post synthesis modified silicalite using adsorption"],"dc:type":["Master Thesis"],"dc:type.qualificationlevel":["Masters"],"dc:type.qualificationname":["MSc (Eng)"]},"updated_at":"2026-07-22T22:23:35Z"}