title: A kinetic evaluation of anaerobic treatment of swine wastewater at two temperatures in a temperate climate zone.
abstract: A static granular bed reactor (SGBR) was used to treat swine wastewater at 24 and 16°C. At 24°C, the organic loading rate (OLR) was 0.7-5.4 kg COD/m(3)day and the average chemical oxygen demand (COD) removal efficiency was 88.5%, respectively. Meanwhile, at 16°C, the OLR was 1.6-4.0 kg COD/m(3)day and the average COD removal efficiency was 68.0%, respectively. The SGBR acted as a bioreactor as well as a biofilter. After backwashing, the recovery of COD removal was not a function of an OLR but recovery time, while that of TSS removal was not a function of either recovery time or the OLR. The maximum substrate utilization rate (k(max)) ratio was 1.89 between 24 and 16°C, and the half velocity constant (K(s)) ratio was 1.22, and the maximum specific growth rate (μ(max)) ratio was 4.71. In addition, the temperature-activity coefficient in this study was determined to be 1.09.
authors.affiliation: Department of Civil, Environmental, and Sustainable Engineering, Arizona State University, Tempe, AZ 85287, USA. Seung.Lim@asu.edu
authors.forename: Seung Joo
authors.initials: SJ
authors.lastname: Lim
authors.forename: Peter
authors.initials: P
authors.lastname: Fox
authors.forename: Timothy G
authors.initials: TG
authors.lastname: Ellis
mesh_terms: D000383:Agriculture / Q000379:methods; D000693:Anaerobiosis; D000818:Animals; D001673:Biodegradation, Environmental; D019149:Bioreactors; D001709:Biotechnology / Q000379:methods*; D002980:Climate; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D008372:Manure / Q000382:microbiology; D013552:Swine; D013696:Temperature; D013997:Time Factors; D014874:Water Pollutants, Chemical / Q000032:analysis*; D018508:Water Purification / Q000379:methods*
chemical_list: D008372:Manure; D014874:Water Pollutants, Chemical