Advanced Journal of Environmental Science and Technology
Advanced Journal of Environmental Science and Technology ISSN 2756-3251 Vol. 13 (8), pp.001-006,August, 2022. © International Scholars Journals
Full Length Research Paper
Treatment of textile sludge using anaerobic technology
ASIA, I. O.1*, OLADOJA, N. A. 2 and BAMUZA-PEMU, E. E.1
1Department of Chemistry, Ambrose Alli University, P. M. B. 14 Ekpoma, Edo State Nigeria.
2Department of Chemistry, Adekunle Ajasin University Akugba, Ondo State Nigeria.
Accepted 30 July, 2022
Composite samples of sludge obtained from a textile factory were characterized for their pollution characteristics using some parameters of interest; pH, solids concentration, oxygen demand, nitrogen, phosphorus, total bacteria counts etc. The analysis revealed that the sludge has high pollution potentials and therefore needed treatment before disposal to the environment. The ratio of chemical oxygen demand, (COD) to that of biochemical oxygen demand, (BOD) was 3.08; meaning the sludge has high substrate biodegradability. Samples were subjected to mesophilic anaerobic treatment at the temperature of 35±2°C. The method achieved solids reduction of 61% total solids, 68% settleable solids and 51% volatile solids and a total bacteria reduction of 99.99%. The reduction in BOD and COD were 89% each. Nitrate and phosphate were found to reduce substantially thereby preventing eutrophication due to undesirable nutrients. The anaerobic treatment was found to have an additional benefit of producing biogas (methane and carbon (IV) oxide) which if harnessed may be used as fuel.
Key words: Textilee, mesophilic anaerobic treatment, pollution, digestion, eutrphication, sludge.
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