Master Degree / Yüksek Lisans Tezleri

Permanent URI for this collectionhttps://hdl.handle.net/11147/3008

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Publisher: search.filters.publisher.01. Izmir Institute of TechnologySubject: search.filters.subject.Sustainability

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  • Master Thesis
    Industrial Symbiosis Model as a Tool of Circular Economy Supported by Lca: a Case Study of Adana Organized Industrial Zone
    (01. Izmir Institute of Technology, 2024) Küçüker, Mehmet Ali; Küçüker, Mehmet Ali; Küçüker, Mehmet Ali; 03.07. Department of Environmental Engineering; 03. Faculty of Engineering; 01. Izmir Institute of Technology
    This thesis aims to develop an industrial symbiosis model for 24 facilities located in the Adana Organized Industrial Zone (AOSB). Within the framework of the European Union Green Deal (EU Green Deal) and the United Nations (UN) Sustainable Development Goals, which emphasize the global importance of the circular economy (CE) model, this thesis focuses on all aspects of industrial symbiosis to transform organized industrial zones into eco-industrial parks and promote greener and more sustainable production. All facilities have been coded with NACE codes, and potential symbiosis alternatives between them and within in-factory processes have been examined. Potential matches have been identified and evaluated based on criteria such as environmental gains, emission reductions, and decreases in electricity, natural gas, and waste production that could be achieved through symbiosis. Value stream maps have been prepared for all facilities, and tables summarizing production and consumption processes have been created. Potential matches with other facilities have been identified, and a visual network was created through network analysis. Life cycle analyses (LCA) were conducted for two facilities, assessing the potential benefits of symbiosis through LCA. Subsequently, environmental benefits of symbiosis were calculated using emission factors. This study reveals that, as a result of possible industrial symbiosis scenarios, an industrial symbiosis system formed by the companies subject to the thesis could potentially achieve approximately 120,000 tCO2 emission savings and 15,000 MWh electricity savings annually. This study will contribute to future industrial symbiosis efforts in the transformation process of an organized industrial zone into an eco-industrial park.
  • Master Thesis
    Hybrid Renewable Energy Systems Design for Green Campus-Iztech
    (01. Izmir Institute of Technology, 2022) Çağlar, Başar; Çağlar, Başar; Açıkkalp, Emin; 03.06. Department of Energy Systems Engineering; 03. Faculty of Engineering; 01. Izmir Institute of Technology
    This study focuses on evaluating of standalone PV and Wind systems integrated with energy storage technologies to meet the electricity needs of the Izmir Institute of Technology campus in Izmir. University campuses with their high energy demand are one of the most important application areas for renewable energy systems and it’s critical to determine the types of renewable energy technologies, their size, and techno-economic feasibility for possible future implementation. Solar and wind energy were chosen as renewable energy sources based on the location and renewable energy potential of the IZTECH Campus. Two different energy storage systems are proposed to prevent any loss of power supply in standalone mode: (i) Lead-acid battery and (ii) Electrolyzer, hydrogen storage tank, and hydrogen-powered generator. Models were developed using the dynamic library-based structure of the TRNSYS program. The hourly electrical load was generated based on monthly data taken from the electricity supplier and the power output of PV modules was calculated based on the fixed tilt angle based on real meteorological data for the campus location. The electricity demand and generation were analyzed hourly for one calendar year. The number of PV modules was determined to meet the annual electricity demand of the campus while the capacity and number of energy storage modules were determined based on the maximum accumulative energy deficiency in a year. The round-trip efficiencies and the depth of discharge for the battery and the hydrogen storage efficiency for the hydrogen-based storage option were considered in the analysis. Parameters were calculated for both systems and simulation analyzes were evaluated. An economic cost analysis was performed for each system. In addition, suggestions are made for possible system improvements.