title: Anaerobic treatment of vinasses by a sequentially mixed moving bed biofilm reactor.
abstract: Wine distillery wastewater, commonly called vinasses, was treated by an anaerobic moving bed biofilm reactor (AMBBR) with 32.9 litre available volume. The reactor was filled with 66% cylindrical polyethylene supports with density 0.84 g cm(-3) as a biofilm carrier. The reactor was sequentially mixed by a submerged centrifugal pump fixed to the bottom, and each mixing time just lasted 1.25 minutes. The organic loading rate (OLR) of the reactor were increased from 1.6 to 29.6 g sCOD l(-1) d(-1) (soluble chemical oxygen demands--sCOD) and hydraulic retention time (HRT) was decreased from 6.33 to 1.55 days accordingly. Soluble COD removal efficiency was 81.3-89.2% at an OLR of 29.6 g sCOD l(-1) d(-1). At the end of the experiment, 83.4% total biomass was attached on support and the specific density of support in the reactor was 0.93-1.05 g cm(-3), which increased by about 10.7-25% compared with that at the beginning of the study.
authors.affiliation: Laboratory of Environmental Technology, College of Geo-exploration Science and Technology, Jilin University, Chaoyang Campus, Changchun 130026, China.
authors.forename: C
authors.initials: C
authors.lastname: Sheli
authors.forename: R
authors.initials: R
authors.lastname: Moletta
mesh_terms: D001421:Bacteria, Anaerobic / Q000378:metabolism*; D001673:Biodegradation, Environmental; D018441:Biofilms; D018533:Biomass; D019149:Bioreactors / Q000382:microbiology*; D007220:Industrial Waste / Q000517:prevention & control; D010100:Oxygen / Q000378:metabolism; D014865:Waste Disposal, Fluid / Q000379:methods*; D014876:Water Pollution / Q000517:prevention & control; D014920:Wine
chemical_list: D007220:Industrial Waste; D010100:Oxygen