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Effective LFG Management - A Case Study in Istanbul, Turkey

Caglayan, Deniz (2017)

Katso/Avaa
Master Thesis (1.355Mb)
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Diplomityö

Caglayan, Deniz
2017

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Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi-fe2017102550290

Tiivistelmä

Waste management has become a growing trend in Turkey and policies are being developed to ameliorate the environmental standards. Besides, MSW management is a critical factor for Turkey while being a candidate country for EU accession.
The mitigating of the environmental impacts caused by MSW, particularly to the landfill gas have been gained a significant importance globally. Even though there are plenty of the researches and regulations have been carried out regarding the landfilling, the specific importance of LFG in conjunction with the environmental impacts are still largely unknown in Turkey, and the measurements on the LFG performance are rarely estimated, although the environmental impacts are directly affected by LFG. Therefore, the main desire of this thesis is to assess the environmental performances of the created LFG utilization scenarios in a sanitary landfill in Istanbul, Turkey. Furthermore, every scenario is economically evaluated by cost-benefit analysis to illustrate the optimal scenarios in terms of economic feasibility.
The environmental impacts caused by LFG are measured using a LCA modelling for a case landfill at Odayeri, Turkey. The results show that the major contributor to the environmental impact potentials is the LFG leaking in the landfill, and each alternative LFG utilization scenario created has lower environmental impacts than the current system. Particularly, Scenario 2, where the biogas upgrading system is activated to the facility is the best environmentally-friendly scenario in terms mitigating of GW impacts because the amount of avoided emissions is more than that of other scenarios. Furthermore, this system seems economically feasible and all the investment needed can be repaid in a short-time period.
The LCA modelling demonstrates that LCA can be used as a useful tool for the planning LCA management options by directly comparing the actual environmental impacts of different technologies and planning options.
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