{"id":{"repo_id":"cape-town","oai_identifier":"oai:open.uct.ac.za:11427/10049"},"canonical_url":"https://search.dev.ndltd.org/etd/cape-town/oai:open.uct.ac.za:11427/10049","repository":{"repo_id":"cape-town","name":"University of Cape Town","base_url":"https://open.uct.ac.za/oai/request"},"display":{"title":"Impurities in crystals formed by eutectic freeze crystallization","abstract":"A large concern facing South African industry, particularly the mining sector, is a suitable and sustainable means to deal with large volumes of liquid waste, comprised mostly of effluent water streams containing a variety of dissolved salts. A novel technique is being developed for the treatment of industrial waste brines; Eutectic Freeze Crystallization (EFC), can potentially separate these into pure water and its major constituent salts, which can be reused or sold. The feasibility of this technology is heavily invested in its capacity to produce pure salts. Thus, it is important to investigate the obtainable purity of these salts, before larger scale operations can begin. A major component of many South African waste brines is sodium sulphate. This work has therefore focused on the purity of sodium sulphate obtained from two different South African brines.","abstract_html":"A large concern facing South African industry, particularly the mining sector, is a suitable and sustainable means to deal with large volumes of liquid waste, comprised mostly of effluent water streams containing a variety of dissolved salts. A novel technique is being developed for the treatment of industrial waste brines; Eutectic Freeze Crystallization (EFC), can potentially separate these into pure water and its major constituent salts, which can be reused or sold. The feasibility of this technology is heavily invested in its capacity to produce pure salts. Thus, it is important to investigate the obtainable purity of these salts, before larger scale operations can begin. A major component of many South African waste brines is sodium sulphate. This work has therefore focused on the purity of sodium sulphate obtained from two different South African brines.","abstract_has_math":false,"creators":["Apsey, Grant"],"institution":"Department of Chemical Engineering","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Lewis, Alison Emslie"],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011","date_published":"2011","updated_at":"2026-07-22T22:22:49Z","subjects":[],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11427/10049","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Lewis, Alison Emslie"]},{"key":"dc:creator","label":"Author","values":["Apsey, Grant"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-12-26T06:17:56Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-12-26T06:17:56Z"]},{"key":"dc:date.issued","label":"Date","values":["2011"]},{"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/11427/10049"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Includes abstract.","Includes bibliographical references (leaves 82-84)."]},{"key":"dc:description.abstract","label":"Abstract","values":["A large concern facing South African industry, particularly the mining sector, is a suitable and sustainable means to deal with large volumes of liquid waste, comprised mostly of effluent water streams containing a variety of dissolved salts. A novel technique is being developed for the treatment of industrial waste brines; Eutectic Freeze Crystallization (EFC), can potentially separate these into pure water and its major constituent salts, which can be reused or sold. The feasibility of this technology is heavily invested in its capacity to produce pure salts. Thus, it is important to investigate the obtainable purity of these salts, before larger scale operations can begin. A major component of many South African waste brines is sodium sulphate. This work has therefore focused on the purity of sodium sulphate obtained from two different South African brines."]},{"key":"dc:title","label":"Title","values":["Impurities in crystals formed by eutectic freeze crystallization"]}]}],"canonical_facts":{"dc:contributor.advisor":["Lewis, Alison Emslie"],"dc:creator":["Apsey, Grant"],"dc:date.accessioned":["2014-12-26T06:17:56Z"],"dc:date.available":["2014-12-26T06:17:56Z"],"dc:date.issued":["2011"],"dc:description":["Includes abstract.","Includes bibliographical references (leaves 82-84)."],"dc:description.abstract":["A large concern facing South African industry, particularly the mining sector, is a suitable and sustainable means to deal with large volumes of liquid waste, comprised mostly of effluent water streams containing a variety of dissolved salts. A novel technique is being developed for the treatment of industrial waste brines; Eutectic Freeze Crystallization (EFC), can potentially separate these into pure water and its major constituent salts, which can be reused or sold. The feasibility of this technology is heavily invested in its capacity to produce pure salts. Thus, it is important to investigate the obtainable purity of these salts, before larger scale operations can begin. A major component of many South African waste brines is sodium sulphate. This work has therefore focused on the purity of sodium sulphate obtained from two different South African brines."],"dc:identifier.uri":["http://hdl.handle.net/11427/10049"],"dc:language.iso":["eng"],"dc:publisher.department":["Department of Chemical Engineering"],"dc:publisher.institution":["University of Cape Town"],"dc:title":["Impurities in crystals formed by eutectic freeze crystallization"],"dc:type":["Master Thesis"],"dc:type.qualificationlevel":["Masters"],"dc:type.qualificationname":["MSc"]},"updated_at":"2026-07-22T22:22:49Z"}