{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/70958"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/70958","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Kinetic Modeling of Mesophilic Digestion of Swine Manure Containing an Antibiotic Inhibitor (Methane, Biogas)","abstract":"A laboratory study was conducted to investigate the Monod kinetic parameters associated with the design and operation of mesophilic digestion of swine manure containing the antibiotic chlortetracycline (CTC). The experimental design was set up to determine the effects retention time (RT) and antibiotic concentration had on the fermentation process. Also, addition of the pure form of the antibiotic to the control substrate was examined. Antibiotic concentrations of 0, 25, 50 and 100 grams CTC per ton of feed were tried at 8-, 12-, 20- and 30-day RT's at an influent substrate concentration of 3 percent volatile solids.","abstract_html":"A laboratory study was conducted to investigate the Monod kinetic parameters associated with the design and operation of mesophilic digestion of swine manure containing the antibiotic chlortetracycline (CTC). The experimental design was set up to determine the effects retention time (RT) and antibiotic concentration had on the fermentation process. Also, addition of the pure form of the antibiotic to the control substrate was examined. Antibiotic concentrations of 0, 25, 50 and 100 grams CTC per ton of feed were tried at 8-, 12-, 20- and 30-day RT's at an influent substrate concentration of 3 percent volatile solids.","abstract_has_math":false,"creators":["Fedler, Clifford Bernard"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Agricultural Engineering","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2014,"date_issued":"2014-12-16T04:46:31Z","date_published":"2014-12-16T04:46:31Z","updated_at":"2026-07-22T22:26:03Z","subjects":["Engineering, Agricultural"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(UMI)AAI8600176"],"render_values":[{"text":"(UMI)AAI8600176","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/70958","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Fedler, Clifford Bernard"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2014-12-16T04:46:31Z","10000-01-01","1985"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Agricultural 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, Agricultural"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/70958","(UMI)AAI8600176"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["A laboratory study was conducted to investigate the Monod kinetic parameters associated with the design and operation of mesophilic digestion of swine manure containing the antibiotic chlortetracycline (CTC). The experimental design was set up to determine the effects retention time (RT) and antibiotic concentration had on the fermentation process. Also, addition of the pure form of the antibiotic to the control substrate was examined. Antibiotic concentrations of 0, 25, 50 and 100 grams CTC per ton of feed were tried at 8-, 12-, 20- and 30-day RT's at an influent substrate concentration of 3 percent volatile solids.","Based on the results obtained from the experiments, a retention time between 12 and 20 days was determined to be optimal for anaerobic digestion of swine manure at any concentration of the antibiotic. Also, addition of the pure antibiotic had no effect on the fermentation process. Therefore, it was concluded that when conducting similar experiments, which examine the effects of an antibiotic of anaerobic digestion, the manure must be collected from the animal receiving the antibiotic in its diet.","The methane production was reduced from 10 to 25 percent when the CTC concentration in the swine diet was at 100 grams per ton of feed. Also, it was concluded that the fermentation process was not able to acclimate to the presence of the CTC and obtain the same level of efficiency as the control within the time frame of this experiment.","The Maximum specific growth rate of the bacteria declined from 0.217/day to 0.183/day when the CTC concentration in the swine diet was 100 grams per ton of feed. This decline represents a substantial drop in the overall process efficiency, thus not allowing adequate conversion of the substrate to the normal end product, methane. This type of inhibition is similar to the uncompetitive type of inhibition in an enzyme reaction.","Made available in DSpace on 2014-12-16T04:46:31Z (GMT). No. of bitstreams: 1 8600176.pdf: 3328787 bytes, checksum: 164f45e9e75ab6ad3375ba57cc9a2a85 (MD5) Previous issue date: 1985","Embargo set by: Seth Robbins for item 71124 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","111 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1985."]},{"key":"dc:title","label":"Title","values":["Kinetic Modeling of Mesophilic Digestion of Swine Manure Containing an Antibiotic Inhibitor (Methane, Biogas)"]}]}],"canonical_facts":{"dc:creator":["Fedler, Clifford Bernard"],"dc:date":["2014-12-16T04:46:31Z","10000-01-01","1985"],"dc:description":["A laboratory study was conducted to investigate the Monod kinetic parameters associated with the design and operation of mesophilic digestion of swine manure containing the antibiotic chlortetracycline (CTC). The experimental design was set up to determine the effects retention time (RT) and antibiotic concentration had on the fermentation process. Also, addition of the pure form of the antibiotic to the control substrate was examined. Antibiotic concentrations of 0, 25, 50 and 100 grams CTC per ton of feed were tried at 8-, 12-, 20- and 30-day RT's at an influent substrate concentration of 3 percent volatile solids.","Based on the results obtained from the experiments, a retention time between 12 and 20 days was determined to be optimal for anaerobic digestion of swine manure at any concentration of the antibiotic. Also, addition of the pure antibiotic had no effect on the fermentation process. Therefore, it was concluded that when conducting similar experiments, which examine the effects of an antibiotic of anaerobic digestion, the manure must be collected from the animal receiving the antibiotic in its diet.","The methane production was reduced from 10 to 25 percent when the CTC concentration in the swine diet was at 100 grams per ton of feed. Also, it was concluded that the fermentation process was not able to acclimate to the presence of the CTC and obtain the same level of efficiency as the control within the time frame of this experiment.","The Maximum specific growth rate of the bacteria declined from 0.217/day to 0.183/day when the CTC concentration in the swine diet was 100 grams per ton of feed. This decline represents a substantial drop in the overall process efficiency, thus not allowing adequate conversion of the substrate to the normal end product, methane. This type of inhibition is similar to the uncompetitive type of inhibition in an enzyme reaction.","Made available in DSpace on 2014-12-16T04:46:31Z (GMT). No. of bitstreams: 1 8600176.pdf: 3328787 bytes, checksum: 164f45e9e75ab6ad3375ba57cc9a2a85 (MD5) Previous issue date: 1985","Embargo set by: Seth Robbins for item 71124 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","111 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1985."],"dc:identifier":["http://hdl.handle.net/2142/70958","(UMI)AAI8600176"],"dc:subject":["Engineering, Agricultural"],"dc:title":["Kinetic Modeling of Mesophilic Digestion of Swine Manure Containing an Antibiotic Inhibitor (Methane, Biogas)"],"dc:type":["text"],"thesis:degree_discipline":["Agricultural Engineering"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:26:03Z"}