{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/83393"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/83393","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"The Influence of Shear on Extracellular Polymeric Substance Production in Membrane Bioreactors","abstract":"The experimental results of the current study show two dominant mechanisms of soluble EPS production in MBRs: (1) erosion of floc-associated EPS and (2) biomass decay caused by predation. Soluble EPS produced by erosion was readily biodegradable while soluble EPS produced by biomass decay which was slowly degradable. It was further demonstrated that mathematical models of soluble EPS production in MBRs should include both erosion of floc-associated EPS and biomass decay. EPS production is tightly linked with fouling in MBRs. The current work demonstrates the link between MBR operation (i.e., level of shear) and EPS production. Ultimately, an understanding of the complex mechanisms of EPS production and their inter-relationship with process parameters will help facilitate the evolution of MBR operational philosophy toward strategies that both minimize the production of biological foulants in addition to reducing the deposition of foulants on the membrane surface.","abstract_html":"The experimental results of the current study show two dominant mechanisms of soluble EPS production in MBRs: (1) erosion of floc-associated EPS and (2) biomass decay caused by predation. Soluble EPS produced by erosion was readily biodegradable while soluble EPS produced by biomass decay which was slowly degradable. It was further demonstrated that mathematical models of soluble EPS production in MBRs should include both erosion of floc-associated EPS and biomass decay. EPS production is tightly linked with fouling in MBRs. The current work demonstrates the link between MBR operation (i.e., level of shear) and EPS production. Ultimately, an understanding of the complex mechanisms of EPS production and their inter-relationship with process parameters will help facilitate the evolution of MBR operational philosophy toward strategies that both minimize the production of biological foulants in addition to reducing the deposition of foulants on the membrane surface.","abstract_has_math":false,"creators":["Menniti, Adrienne L."],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Civl and Environmental Engineering","degree_department":null,"school":null,"contributors":["Eberhard Morgenroth"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-09-25T21:04:39Z","date_published":"2015-09-25T21:04:39Z","updated_at":"2026-07-22T22:26:21Z","subjects":["Engineering, Environmental"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(MiAaPQ)AAI3363034"],"render_values":[{"text":"(MiAaPQ)AAI3363034","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/83393","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Eberhard Morgenroth"]},{"key":"dc:creator","label":"Author","values":["Menniti, Adrienne L."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-09-25T21:04:39Z","10000-01-01","2009"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Civl and Environmental 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, Environmental"]}]},{"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/2142/83393","(MiAaPQ)AAI3363034"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["The experimental results of the current study show two dominant mechanisms of soluble EPS production in MBRs: (1) erosion of floc-associated EPS and (2) biomass decay caused by predation. Soluble EPS produced by erosion was readily biodegradable while soluble EPS produced by biomass decay which was slowly degradable. It was further demonstrated that mathematical models of soluble EPS production in MBRs should include both erosion of floc-associated EPS and biomass decay. EPS production is tightly linked with fouling in MBRs. The current work demonstrates the link between MBR operation (i.e., level of shear) and EPS production. Ultimately, an understanding of the complex mechanisms of EPS production and their inter-relationship with process parameters will help facilitate the evolution of MBR operational philosophy toward strategies that both minimize the production of biological foulants in addition to reducing the deposition of foulants on the membrane surface.","Made available in DSpace on 2015-09-25T21:04:39Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 3363034.pdf: 5509751 bytes, checksum: 0e98f78ab2444b1b6eaa95278dd29ede (MD5) Previous issue date: 2009","Embargo set by: Seth Robbins for item 84674 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","113 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2009."]},{"key":"dc:title","label":"Title","values":["The Influence of Shear on Extracellular Polymeric Substance Production in Membrane Bioreactors"]}]}],"canonical_facts":{"dc:contributor":["Eberhard Morgenroth"],"dc:creator":["Menniti, Adrienne L."],"dc:date":["2015-09-25T21:04:39Z","10000-01-01","2009"],"dc:description":["The experimental results of the current study show two dominant mechanisms of soluble EPS production in MBRs: (1) erosion of floc-associated EPS and (2) biomass decay caused by predation. Soluble EPS produced by erosion was readily biodegradable while soluble EPS produced by biomass decay which was slowly degradable. It was further demonstrated that mathematical models of soluble EPS production in MBRs should include both erosion of floc-associated EPS and biomass decay. EPS production is tightly linked with fouling in MBRs. The current work demonstrates the link between MBR operation (i.e., level of shear) and EPS production. Ultimately, an understanding of the complex mechanisms of EPS production and their inter-relationship with process parameters will help facilitate the evolution of MBR operational philosophy toward strategies that both minimize the production of biological foulants in addition to reducing the deposition of foulants on the membrane surface.","Made available in DSpace on 2015-09-25T21:04:39Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 3363034.pdf: 5509751 bytes, checksum: 0e98f78ab2444b1b6eaa95278dd29ede (MD5) Previous issue date: 2009","Embargo set by: Seth Robbins for item 84674 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","113 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2009."],"dc:identifier":["http://hdl.handle.net/2142/83393","(MiAaPQ)AAI3363034"],"dc:language":["eng"],"dc:subject":["Engineering, Environmental"],"dc:title":["The Influence of Shear on Extracellular Polymeric Substance Production in Membrane Bioreactors"],"dc:type":["text"],"thesis:degree_discipline":["Civl and Environmental Engineering"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:26:21Z"}