{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/66649"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/66649","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Analytical Perturbed Hard Sphere Models Based on Solubility and Volumetric Studies of Organic Solids Interacting With Supercritical Fluids","abstract":"Solubility data were measured by a new flow technique for naphthalene, phenanthrene, anthracene, triphenylmethane, hexamethylbenzene, fluorene, and pyrene in ethylene, and the latter three in carbon dioxide at temperatures from 298 to 358 K and pressures up to 50 MPa. These data suggested that partial molar volume data of the solute v(,2) would benefit enormously the modelling of the supercritical phase. An expression was derived that indicates the solubility data or gas chromatography data are not well suited for obtaining v(,2); therefore, a new experimental technique was designed. The solubility data were well correlated by perturbed hard sphere equations of state in a new way that does not require the use of critical properties, which are often unavailable, and if available, difficult to apply to these highly asymmetric systems. The crucial unlike pair energy parameter cross-correlated well with the heat of vaporization of the solid. The addition of a second order term, based on square well molecular dynamics results, increased the range of applicability of the model significantly.","abstract_html":"Solubility data were measured by a new flow technique for naphthalene, phenanthrene, anthracene, triphenylmethane, hexamethylbenzene, fluorene, and pyrene in ethylene, and the latter three in carbon dioxide at temperatures from 298 to 358 K and pressures up to 50 MPa. These data suggested that partial molar volume data of the solute v(,2) would benefit enormously the modelling of the supercritical phase. An expression was derived that indicates the solubility data or gas chromatography data are not well suited for obtaining v(,2); therefore, a new experimental technique was designed. The solubility data were well correlated by perturbed hard sphere equations of state in a new way that does not require the use of critical properties, which are often unavailable, and if available, difficult to apply to these highly asymmetric systems. The crucial unlike pair energy parameter cross-correlated well with the heat of vaporization of the solid. The addition of a second order term, based on square well molecular dynamics results, increased the range of applicability of the model significantly.","abstract_has_math":false,"creators":["Johnston, Keith Paul"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Chemical Engineering","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2014,"date_issued":"2014-12-13T18:55:50Z","date_published":"2014-12-13T18:55:50Z","updated_at":"2026-07-22T22:25:56Z","subjects":["Engineering, Chemical"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(UMI)AAI8203496"],"render_values":[{"text":"(UMI)AAI8203496","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/66649","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Johnston, Keith Paul"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2014-12-13T18:55:50Z","10000-01-01","1981"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Chemical Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Engineering, Chemical"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/66649","(UMI)AAI8203496"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Solubility data were measured by a new flow technique for naphthalene, phenanthrene, anthracene, triphenylmethane, hexamethylbenzene, fluorene, and pyrene in ethylene, and the latter three in carbon dioxide at temperatures from 298 to 358 K and pressures up to 50 MPa. These data suggested that partial molar volume data of the solute v(,2) would benefit enormously the modelling of the supercritical phase. An expression was derived that indicates the solubility data or gas chromatography data are not well suited for obtaining v(,2); therefore, a new experimental technique was designed. The solubility data were well correlated by perturbed hard sphere equations of state in a new way that does not require the use of critical properties, which are often unavailable, and if available, difficult to apply to these highly asymmetric systems. The crucial unlike pair energy parameter cross-correlated well with the heat of vaporization of the solid. The addition of a second order term, based on square well molecular dynamics results, increased the range of applicability of the model significantly.","Made available in DSpace on 2014-12-13T18:55:50Z (GMT). No. of bitstreams: 1 8203496.pdf: 4254114 bytes, checksum: 80b5307312f0240fd5d4ef19db9ab72b (MD5) Previous issue date: 1981","Embargo set by: Seth Robbins for item 66827 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","169 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1981."]},{"key":"dc:title","label":"Title","values":["Analytical Perturbed Hard Sphere Models Based on Solubility and Volumetric Studies of Organic Solids Interacting With Supercritical Fluids"]}]}],"canonical_facts":{"dc:creator":["Johnston, Keith Paul"],"dc:date":["2014-12-13T18:55:50Z","10000-01-01","1981"],"dc:description":["Solubility data were measured by a new flow technique for naphthalene, phenanthrene, anthracene, triphenylmethane, hexamethylbenzene, fluorene, and pyrene in ethylene, and the latter three in carbon dioxide at temperatures from 298 to 358 K and pressures up to 50 MPa. These data suggested that partial molar volume data of the solute v(,2) would benefit enormously the modelling of the supercritical phase. An expression was derived that indicates the solubility data or gas chromatography data are not well suited for obtaining v(,2); therefore, a new experimental technique was designed. The solubility data were well correlated by perturbed hard sphere equations of state in a new way that does not require the use of critical properties, which are often unavailable, and if available, difficult to apply to these highly asymmetric systems. The crucial unlike pair energy parameter cross-correlated well with the heat of vaporization of the solid. The addition of a second order term, based on square well molecular dynamics results, increased the range of applicability of the model significantly.","Made available in DSpace on 2014-12-13T18:55:50Z (GMT). No. of bitstreams: 1 8203496.pdf: 4254114 bytes, checksum: 80b5307312f0240fd5d4ef19db9ab72b (MD5) Previous issue date: 1981","Embargo set by: Seth Robbins for item 66827 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","169 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1981."],"dc:identifier":["http://hdl.handle.net/2142/66649","(UMI)AAI8203496"],"dc:language":["eng"],"dc:subject":["Engineering, Chemical"],"dc:title":["Analytical Perturbed Hard Sphere Models Based on Solubility and Volumetric Studies of Organic Solids Interacting With Supercritical Fluids"],"dc:type":["text"],"thesis:degree_discipline":["Chemical Engineering"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:25:56Z"}