Optimisation of the treatment and disposal of solid wastes in Northern Cyprus

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2016-9

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Barışsever, Coşku

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Solid waste management has been a key issue of Northern Cyprus for many years as only half of the wastes are properly handled at a sanitary landfill whereas the rest are currently being burned or buried inappropriately at many open dumping areas all over Northern Cyprus which is a serious threat to the public health and the environment. In this study, we propose a mixed integer nonlinear programming model to determine which treatment facilities to build and their sizes, whether the current landfill should be extended or not, and when to extend the current landfill if it is to be extended so that all solid wastes generated in Northern Cyprus are properly handled and the total cost of the proposed system is minimised. Among several treatment facilities, anaerobic digestion, composting, waste-toenergy facilities, landfill, and clean and dirty material recovery facilities are considered in the model besides recycling of solid wastes through source-separation by households. The proposed optimisation model has been applied to the case of Northern Cyprus and solved by an open source optimisation solver. The results revealed that if sufficient landfill capacity is available and a good participation to recycling can be achieved, recovery of recyclable materials, landfilling the remaining wastes and sometimes building a composting facility is the least cost solution of the solid waste management problem. On the other hand, building a waste-to-energy facility becomes inevitable if the landfill capacity is insufficient. However, the total cost of a system with a waste-to-energy facility is very high compared to the case without such a facility.

Subject Keywords

Integrated solid waste management, Treatment facilities, Recycling, Optimisation, Mathematical programming

URI

https://hdl.handle.net/11511/69716

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Northern Cyprus Campus, Thesis

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Citation Formats

C. Barışsever, “Optimisation of the treatment and disposal of solid wastes in Northern Cyprus,” M.S. - Master of Science, Middle East Technical University, 2016.