Abstract

In dairy waste treatment plant, there was sludge accumulation of material organic sediment on the bottom of the container. This sludge has a very strong odor, brownish and high organic content. Commonly used as fertilizer, animal feed, and biodiesel production. An alternative treatment processed by using anaerobic digestion is used in this study to produce biogas. The sludge was placed in anaerobic fixed bed continuous reactor with packing media support variation using bioball, natural zeolite, and bioring. The reactor was operated in batch 21 days with volume 30 liters. The effect of differences supported media on biogas production was investigated. In this study was obtained that fixed-bed reactor with supported zeolite media was the highest biogas production and sCOD removal up to 89.66%.

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