Treatment of turkey processing wastewater with sand filtration [An article from: Bioresource Technology]

This digital document is a journal article from Bioresource Technology, published by Elsevier in 2007. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.

Description:
This research investigated the feasibility of coarse/fine sand filtration for removing organic materials from turkey processing wastewater. Sand filtration was tested with three organic and hydraulic loadings. Six two-layer sand bioreactors were in three groups, each with 5cm layer of pea gravel at the bottom to support layers of fine sand (46cm) and coarse sand (15cm) to a height of 66cm. The bioreactors were inoculated with a mixture of 20% (vol/vol) of wastewater lagoon sludge, 40% (vol/vol) of turkey processing wastewater, and 40% (vol/vol) of BOD"5 dilution water before starting the column operation with turkey processing wastewater. The wastewater contained 1270+/-730mgCOD/L and was applied to each sand bioreactor at hydraulic loading rates of 264, 132 and 66L/m^2/day. Each group comprised duplicate columns with the identical hydraulic loading. A commercially available detergent, Ivory^T^M, was added to the wastewater at 0.04% (wt/vol). Maximum treatment efficiencies were reached within a week. The removal of TOC and BOD"5 was >94% during 80 days of column operation at low and medium hydraulic loading rates (=