Optimal control of leachate recirculation for anaerobic processes in landfills
نویسندگان
چکیده
منابع مشابه
Modeling of leachate recirculation using vertical wells in bioreactor landfills.
Leachate recirculation (LR) in municipal solid waste (MSW) landfills operated as bioreactors offers significant economic and environmental benefits. The subsurface application method of vertical wells is one of the most common LR techniques. The objective of this study was to develop a novel two-dimensional model of leachate recirculation using vertical wells. This novel method can describe lea...
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Results and Conclusion: In this study, a numerical two-permeability flow model was used to investigate the effects of tyres embedding on the outflow rate of leachate injection. Furthermore, it was coupled with momentum balance equations to determine the local factor of safety of slope stability. The established model was applied to a simplified bioreactor landfill. The simulation results demons...
متن کاملLandfill wall revegetation combined with leachate recirculation: a convenient procedure for management of closed landfills.
There is a need for a reliable sustainable option to effectively manage the landfill leachate generation. This study presents a simple procedure for the revegetation of the walls of closed landfills, employing the leachate as a fertirrigant. The native plants Lepidium sativum, Lactuca sativa, and Atriplex halimus, which suit the local climate, were chosen for this study in Southern Italy. The m...
متن کاملEvaluation of a buried vertical well leachate recirculation system for municipal solid waste landfills.
Vertical liquids addition systems have been used at municipal landfills as a leachate management method and to enhance biostabilization of waste. Drawbacks of these systems include a limitation on pressurized injection and the occurrence of seepage. A novel vertical well system that employed buried wells constructed below a lift of compacted waste was operated for 153 days at a landfill in Flor...
متن کاملPractice review of five bioreactor/recirculation landfills.
Five landfills were analyzed to provide a perspective of current practice and technical issues that differentiate bioreactor and recirculation landfills in North America from conventional landfills. The bioreactor and recirculation landfills were found to function in much the same manner as conventional landfills, with designs similar to established standards for waste containment facilities. L...
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ژورنال
عنوان ژورنال: Discrete & Continuous Dynamical Systems - B
سال: 2021
ISSN: 1553-524X
DOI: 10.3934/dcdsb.2020215