Energy Recovery from Textile Mill Sludge Through Biomethanation

Y. Yadav

Abstract


In the present study, anaerobic treatment of textile mill sludge was carried out. The detailed composition of solid textile mill sludge is necessary to ascertain feasibility and to select a suitable process for treatment and resource recovery. The waste brought from textile effluent treatment plant of local industry was assessed for various parameters. The present study was undertaken to explore the possibility of use of textile mill sludge as a substrate for biomethanation. Gas production was directly proportional to pH. As the pH increases from 6.3 to 7.4 gas production was increased. The methanogenic activity is sensitive to pH, so pH should be maintained neutral. The TVFA content in the digester was also affected by pH and was found be inversely proportional to TVFA. The complete digestion resulted in total COD reduction by 63%.

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