Abstract
Sustainable municipal solid waste management has become a challenge to the engineers in the present world. Good pretreatment methods coupled with landfilling are looked as sustainable means of disposal of municipal solid waste. Bioreactor landfill is one such sustainable option. In the present study two landfill simulators (dry and leachate recirculation) were used to investigate the effect of leachate recirculation on the stabilisation process of mechanically biologically treated (MBT) municipal solid waste (MSW). The simulator with a leachate recirculation had a higher degree of waste stabilisation towards the end of the experiment due to higher moisture content and micro-organisms. The results observed at the end of 380 days prevail that the process combination of above operational parameters adopted in bioreactor was a more efficient approach for stabilisation of MSW. After 1 year of operation, the residues of the simulators were analysed, and it was found that the settlement and gas production were greater in leachate recirculation simulator than the dry simulator. The carbon content reduced in the bioreactor simulator by more than 60 % compared to the dry simulator. It was also observed that the biodegradation time for MBT-MSW was reduced in bioreactor simulator compared to maximum values presented in the literature.
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Lakshmikanthan, P., Santhosh, L.G., Sivakumar Babu, G.L. (2017). Evaluation of Bioreactor Landfill as Sustainable Land Disposal Method. In: Sivakumar Babu, G., Saride, S., Basha, B. (eds) Sustainability Issues in Civil Engineering. Springer Transactions in Civil and Environmental Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-10-1930-2_14
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DOI: https://doi.org/10.1007/978-981-10-1930-2_14
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