Computer Simulation of Moisture Distribution in Unlined Aerobic Bioreactor Landfills-Quasi-Steady-State Condition

Gan, Jinghu; Sun, Yufan; Sun, Wei; Liu, Shiwei

doi:10.1016/j.proenv.2012.10.100

Cited by 2 publications

(1 citation statement)

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“…Municipal solid waste (MSW) disposal by landfilling is the most utilized method for waste disposal [1,3,9,19,24]. Sanitary landfilling is a process of disposing of MSWnon-hazardous wasteon land without causing any disturbance to the surrounding environment [10,23,24].…”

Section: Introductionmentioning

confidence: 99%

Biogas Production From Waste in a Sanitary Landfill Reactor

Aldrawsha

Ismail

Rajamohan

et al. 2020

Journal of Thermal Engineering

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In this research study, the feasibility of waste to biogas conversion in a sanitary landfill unit was investigated. The academic work was about quantifying the methane emission values during the wet season, by applying the FOD method on a static flux chamber and a pilot-scale sanitary landfill, and the methane emission potential table was established. The study was conducted for a period of 16 weeks from November 2018 to February 2019. The waste used in the pilot-scale sanitary landfill included food and cattle waste. It was observed that the methane emission rate peaked at 0.25 g/m 2 .d during week 10 and decreased to 0.12 g/m 2 .d during week 16. In addition, the carbon dioxide concentration obtained was 45% during the anaerobic phases and around 50% during the aerobic phases. The academic work studied the contribution of leachate pH, waste moisture content, and gas temperature to change methane emission values. The waste moisture content proved to have a direct relationship with the methane emission values, unlike the gas temperature. The leachate pH value during week 10/5 th test day was found to be 7.92, and increased steadily throughout the remaining study period, even though the methane emission values decreased during that period (after week 10/5 th test day).It was observed that the leachate recirculation process decreased the leachate content even though it affected the methane emission values.

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