{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/121296"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/121296","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Series reactions and transport in catalysis and crystal growth: A multiscale modeling perspective","abstract":"Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2025-08-01","abstract_html":"Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2025-08-01","abstract_has_math":false,"creators":["Shayesteh Zadeh, Armin"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Chemical Engineering","degree_department":null,"school":null,"contributors":["Peters, Baron G.","Yang, Hong","Mironenko, Alex","Rodriguez-Lopez, Joaquin"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2023,"date_issued":"2023-08","date_published":"2023-08","updated_at":"2026-07-22T22:24:57Z","subjects":["Catalysis","Crystal Growth","Multiscale Modeling","Reaction Engineering","Kinetics"],"languages":["en","eng"],"rights":["Copyright 2023 Armin Shayesteh Zadeh"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/2142/121296","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Peters, Baron G.","Yang, Hong","Mironenko, Alex","Rodriguez-Lopez, Joaquin"]},{"key":"dc:creator","label":"Author","values":["Shayesteh Zadeh, Armin"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2023-08","2023-05-24"]},{"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":["Catalysis","Crystal Growth","Multiscale Modeling","Reaction Engineering","Kinetics"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en","eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2023 Armin Shayesteh Zadeh"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://hdl.handle.net/2142/121296"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2025-08-01","The student, Armin Shayesteh Zadeh, accepted the attached license on 2023-05-18 at 12:37.","The student, Armin Shayesteh Zadeh, submitted this Dissertation for approval on 2023-05-18 at 12:47.","This Dissertation was approved for publication on 2023-05-24 at 14:07.","DSpace SAF Submission Ingestion Package generated from Vireo submission #19381 on 2023-12-04 at 17:17:45","Processes that involve reactions at interfaces are ubiquitous in chemical engineering, and often the surface kinetics are coupled to boundary layer transport, transport in porous solids, and bulk concentration changes. The quantitative study of heterogenous systems requires models that can incorporate phenomena at different length and time scales to analyze the diffusive and reactive contributions and identify the rate-controlling processes. In this thesis, we develop models to study the effects of diffusion limitations on reactions in series and the impedance of crystal growth rate due to conformer interconversion and dimerization reactions. We introduce the “secondary effectiveness factor” for different pellet geometries to quantify the contribution of diffusion limitations to the observed rate for a system of reactions in series. We demonstrate the application of the secondary effectiveness factor in designing catalyst pellets to increase the yield of intermediate species in a system with series reactions. We also model coupled reaction and diffusion phenomena in crystallization. Specifically, we study changes in the growth rate due to conformational interconversion and dimerization reactions in the boundary layer close to the crystal surface and the bulk. We develop a dimensionless parameter, “growth admittance,” that quantifies how much the rate of reaction in the boundary layer is affecting the crystal growth rate. Finally, we develop and solve a population balance model to understand how conformer interconversion kinetics, crystal growth rates, and residence time affects crystal production and size distributions in a mixed suspension mixed product removal crystallizer."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Series reactions and transport in catalysis and crystal growth: A multiscale modeling perspective"]}]}],"canonical_facts":{"dc:contributor":["Peters, Baron G.","Yang, Hong","Mironenko, Alex","Rodriguez-Lopez, Joaquin"],"dc:creator":["Shayesteh Zadeh, Armin"],"dc:date":["2023-08","2023-05-24"],"dc:description":["Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2025-08-01","The student, Armin Shayesteh Zadeh, accepted the attached license on 2023-05-18 at 12:37.","The student, Armin Shayesteh Zadeh, submitted this Dissertation for approval on 2023-05-18 at 12:47.","This Dissertation was approved for publication on 2023-05-24 at 14:07.","DSpace SAF Submission Ingestion Package generated from Vireo submission #19381 on 2023-12-04 at 17:17:45","Processes that involve reactions at interfaces are ubiquitous in chemical engineering, and often the surface kinetics are coupled to boundary layer transport, transport in porous solids, and bulk concentration changes. The quantitative study of heterogenous systems requires models that can incorporate phenomena at different length and time scales to analyze the diffusive and reactive contributions and identify the rate-controlling processes. In this thesis, we develop models to study the effects of diffusion limitations on reactions in series and the impedance of crystal growth rate due to conformer interconversion and dimerization reactions. We introduce the “secondary effectiveness factor” for different pellet geometries to quantify the contribution of diffusion limitations to the observed rate for a system of reactions in series. We demonstrate the application of the secondary effectiveness factor in designing catalyst pellets to increase the yield of intermediate species in a system with series reactions. We also model coupled reaction and diffusion phenomena in crystallization. Specifically, we study changes in the growth rate due to conformational interconversion and dimerization reactions in the boundary layer close to the crystal surface and the bulk. We develop a dimensionless parameter, “growth admittance,” that quantifies how much the rate of reaction in the boundary layer is affecting the crystal growth rate. Finally, we develop and solve a population balance model to understand how conformer interconversion kinetics, crystal growth rates, and residence time affects crystal production and size distributions in a mixed suspension mixed product removal crystallizer."],"dc:format":["application/pdf"],"dc:identifier":["https://hdl.handle.net/2142/121296"],"dc:language":["en","eng"],"dc:rights":["Copyright 2023 Armin Shayesteh Zadeh"],"dc:subject":["Catalysis","Crystal Growth","Multiscale Modeling","Reaction Engineering","Kinetics"],"dc:title":["Series reactions and transport in catalysis and crystal growth: A multiscale modeling perspective"],"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":"2026-07-22T22:24:57Z"}