{"id":{"repo_id":"iastate","oai_identifier":"oai:dr.lib.iastate.edu:20.500.12876/Yr3KBgQr"},"canonical_url":"https://search.dev.ndltd.org/etd/iastate/oai:dr.lib.iastate.edu:20.500.12876/Yr3KBgQr","repository":{"repo_id":"iastate","name":"Iowa State University","base_url":"https://dr.lib.iastate.edu/server/oai/request"},"display":{"title":"Prediction of multicomponent ion exchange a ternary system","abstract":"Often in nitrate contaminated water, sulfate is the primary anion which affects the ionexchange system between nitrate and chloride anions. The generally accepted selectivity sequence [4, 11,14] for commercially available strong-base anion exchangers in dilute aqueous solution is sulfate > nitrate > chloride. The purpose of this study was to compare two fundamental concepts of ion-exchange systems: selectivity coefficients and separation factors as parameters for use in predicting the breakthrough of the ions of interest in a ternary system: sulfate, nitrate and chloride.","abstract_html":"Often in nitrate contaminated water, sulfate is the primary anion which affects the ionexchange system between nitrate and chloride anions. The generally accepted selectivity sequence [4, 11,14] for commercially available strong-base anion exchangers in dilute aqueous solution is sulfate > nitrate > chloride. The purpose of this study was to compare two fundamental concepts of ion-exchange systems: selectivity coefficients and separation factors as parameters for use in predicting the breakthrough of the ions of interest in a ternary system: sulfate, nitrate and chloride.","abstract_has_math":false,"creators":["Lee, Pak-Hing"],"institution":null,"degree_name":"Master of Science","degree_level":"Masters","degree_discipline":"Civil Engineering","degree_department":null,"school":null,"contributors":[],"advisors":["Oulman, Charles S."],"committee_chairs":[],"committee_members":[],"year":1996,"date_issued":"1996","date_published":"1996","updated_at":"2026-07-24T02:38:01Z","subjects":[],"languages":["en"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier.doi","label":"DOI","values":["https://doi.org/10.31274/td-20260408-140"],"render_values":[{"text":"https://doi.org/10.31274/td-20260408-140","href":"https://doi.org/10.31274/td-20260408-140","code":true}]}]},"links":{"outbound_url":"https://dr.lib.iastate.edu/handle/20.500.12876/Yr3KBgQr","outbound_label":"Repository record","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Oulman, Charles S."]},{"key":"dc:creator","label":"Author","values":["Lee, Pak-Hing"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2024-08-21T14:04:48Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2024-08-21T14:04:48Z"]},{"key":"dc:date.issued","label":"Date","values":["1996"]},{"key":"dc:type","label":"Dc Type","values":["thesis"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Civil Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Masters"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.doi","label":"DOI","values":["https://doi.org/10.31274/td-20260408-140"]},{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://dr.lib.iastate.edu/handle/20.500.12876/Yr3KBgQr"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Often in nitrate contaminated water, sulfate is the primary anion which affects the ionexchange system between nitrate and chloride anions. The generally accepted selectivity sequence [4, 11,14] for commercially available strong-base anion exchangers in dilute aqueous solution is sulfate > nitrate > chloride. The purpose of this study was to compare two fundamental concepts of ion-exchange systems: selectivity coefficients and separation factors as parameters for use in predicting the breakthrough of the ions of interest in a ternary system: sulfate, nitrate and chloride."]},{"key":"dc:title","label":"Title","values":["Prediction of multicomponent ion exchange a ternary system"]}]}],"canonical_facts":{"dc:contributor.advisor":["Oulman, Charles S."],"dc:creator":["Lee, Pak-Hing"],"dc:date.accessioned":["2024-08-21T14:04:48Z"],"dc:date.available":["2024-08-21T14:04:48Z"],"dc:date.issued":["1996"],"dc:description.abstract":["Often in nitrate contaminated water, sulfate is the primary anion which affects the ionexchange system between nitrate and chloride anions. The generally accepted selectivity sequence [4, 11,14] for commercially available strong-base anion exchangers in dilute aqueous solution is sulfate > nitrate > chloride. The purpose of this study was to compare two fundamental concepts of ion-exchange systems: selectivity coefficients and separation factors as parameters for use in predicting the breakthrough of the ions of interest in a ternary system: sulfate, nitrate and chloride."],"dc:identifier.doi":["https://doi.org/10.31274/td-20260408-140"],"dc:identifier.uri":["https://dr.lib.iastate.edu/handle/20.500.12876/Yr3KBgQr"],"dc:language.iso":["en"],"dc:title":["Prediction of multicomponent ion exchange a ternary system"],"dc:type":["thesis"],"thesis:degree_discipline":["Civil Engineering"],"thesis:degree_level":["Masters"],"thesis:degree_name":["Master of Science"]},"updated_at":"2026-07-24T02:38:01Z"}