Treatment of dairy wastewater by using moving bed biofilm reactor sequential with integrated fixed-film sludge

Treatment of dairy wastewater by using moving bed biofilm reactor sequential with integrated fixed-film sludge
Author(s):
Dr. Selvabharathi Gopal, S. Robert Ravi, Etikala Chinna
Keywords:
Dairy wastewater, MBBR, IFAS Hydraulic Retention Time (HRT)
Abstract
Moving Bed Biofilm Reactor (MBBR) is a leading technology of biological solution for wastewater treatment based on the aerobic principle. In this study, lab scale experiments were done by using MBBR with Integrated Fixed-film Sludge(IFAS) process and polypropylene media to analyze BOD and COD removal from wastewater of dairy industries. The system efficiency in removal of BOD and COD was examined at a different rate of Hydraulic Retention Time (HRT) of 1, 1.5, 2, 2.5 and 3 hours. Similarly BOD and COD removal efficiency of 60% and 88% respectively was achieved with 3hrs HRT and also settling time was observed as 4 hours. Finally this study indicates that MBBR with IFAS process and polypropylene media as biofilm carrier posses very good removal of BOD and COD from Dairy Wastewater.
Article Details
Unique Paper ID: 154304 Publication Volume & Issue: Volume 8, Issue 10 Page(s): 573 - 576
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