Kurum Yazarı "Özkan, Aysun" WoS İndeksli Yayınlar Koleksiyonu İçin Listeleme
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Adsorption of Copper from Waste Printed Circuit Boards with Modified Orange Peels
Özkan, Aysun; Günkaya, Zerrin; Yapici, Ece; Banar, Müfide (North Carolina State University Dept Wood & Paper Sci, 2017)Copper adsorption from waste printed circuit boards (PCBs) was studied using biosorbents derived from waste orange peels (OP). The orange peels were modified by different methods including saponification with NaOH (OP-S), ... -
Cadmium stabilization via sequential application of phytoremediation and pyrolysis
Özkan, Aysun; Banar, Müfide; Günkaya, Zerrin; Kulaç, Alev; Yalçın, Gülser; Taşpınar, Kadriye; Altay, Abdullah (Pamukkale University, 2016)The objective of this study is the treatment of cadmium (Cd) contaminated soil and stabilization of cadmium (Cd) in a solid product. For this aim, phytoremediation and pyrolysis were sequentially applied. Phytoremediation ... -
Characterization of an urban landfill soil by using physicochemical analysis and solid phase microextraction (SPME)-GC/MS
Banar, Müfide; Özkan, Aysun; Vardar, Çiğdem (Springer, 2007)We have aimed at characterizing top soil samples taken in-situ from five different locations of the unregulated dumping site in Eskisehir/Turkey for a period of six months. The study is the first attempt in the city and ... -
Characterization of pyrolytic oil obtained from pyrolysis of TDF (Tire Derived Fuel)
Banar, Müfide; Akyıldız, Vildan; Özkan, Aysun; Günkaya, Zerrin; Onay, Özlem (Pergamon-Elsevier Science LTD, 2012)In recent years, waste utilization before disposing to the land is the most important point about waste management. Due to the increasing emphasis on recycling, related to the two European Commission Directives (EC End of ... -
Characterization of the leachate in an urban landfill by physicochemical analysis and Solid Phase Microextraction-GC/MS
Banar, Müfide; Özkan, Aysun; Kürkçüoğlu, Mine (Springer, 2006)The aim of this study is to evaluate extensively the characterization and identification of major pollutant parameters by paying attention to the organic chemical pollution for unregulated dumping site leachate in ... -
Characterization of the Municipal Solid Waste in Eskisehir City, Turkey
Banar, Müfide; Özkan, Aysun (Mary Ann Liebert Inc, 2008)The solid waste, namely municipal solid waste, generated in big cities, is a mixture of all kinds of materials produced by many industries for the use of human beings where they throw away the unusable parts all together ... -
Choosing a municipal landfill site by analytic network process
Banar, Müfide; Köse, Barbaros Murat; Özkan, Aysun; Acar, Ilgın Poyraz (Springer, 2007)In this study, analytic network process (ANP), one of the multi-criteria decision making (MCDM) tools has been used to choose one of the four alternative landfill sites for the city of Eskisehir, Turkey. For this purpose, ... -
Comments on Rebuttal of M. Sagir
Banar, Müfide; Köse, Barbaros Murat; Özkan, Aysun; Acar, Ilgın Poyraz (Springer, 2009)This rebuttal was written in response to the rebuttal of the paper "choosing a municipal landfill site by analytic network process" published in 2007 by M. Sagir. This study was conducted as an application for the landfill ... -
Comparison of Different Modeling Methods of Copper Adsorption by Modified Orange Peels
Özkan, Aysun; Özkan, K.; Işık, S.; Günkaya, Zerrin; Banar, Müfide (Agro Arge Danışmanlık San Ve Tic As, 2016)Copper (Cu) which has higher electrical and thermal conductivity is an essential element in different sectors. Also, wastes occurred in these sectors contains copper in high amounts. For instance, printed circuit boards ... -
Environmental Performance of Electricity Generation Based on Resources: A Life Cycle Assessment Case Study in Turkey
Günkaya, Zerrin; Özdemir, Alp; Özkan, Aysun; Banar, Müfide (MDPI, 2016)The aim of this paper was to determine how to change the environmental performance of electricity generation depending on the resources and their shares, in order to support decision-makers. Additionally, this paper presents ... -
Evaluation of healthcare waste treatment/disposal alternatives by using multi-criteria decision-making techniques
Özkan, Aysun (SAGE Publications LTD, 2013)Healthcare waste should be managed carefully because of infected, pathological, etc. content especially in developing countries. Applied management systems must be the most appropriate solution from a technical, environmental, ... -
Evaluation of solid product obtained from tire-derived fuel (TDF) pyrolysis as carbon black
Banar, Müfide; Özkan, Aysun; Akyıldız, Vildan; Günkaya, Zerrin; Onay, Özlem (Springer, 2015)The main focus of this study was quality improvement of solid product obtained from tire-derived fuel (TDF) pyrolysis to use it as a substitute for commercial carbon blacks. First of all, TDF samples were analyzed by means ... -
Improvement of Solid Product Quality in Pyrolysis of Tyre Derived Fuels (TDF)
Akyıldız, Vildan; Özkan, Aysun; Günkaya, Zerrin; Banar, Müfide; Baydar, Semih (Aidic Servizi Srl, 2010)Waste tyres do not decompose easily in the nature and cause to many environmental problems. Although, 24 million tyres / y are produced and 8.5 million (180.000 t) of these amount become waste in Turkey, these waste tyres ... -
Life Cycle Assessment and Life Cycle Cost Analysis of Magnesia Spinel Brick Production
Özkan, Aysun; Günkaya, Zerrin; Tok, Gülden; Karacasulu, Levent; Metesoy, Melike; Banar, Müfide; Kara, Alpagut (MDPI AG, 2016)Sustainable use of natural resources in the production of construction materials has become a necessity both in Europe and Turkey. Construction products in Europe should have European Conformity (CE) and Environmental ... -
Life cycle assessment of solid waste management options for Eskisehir, Turkey
Banar, Müfide; Günkaya, Zerrin; Özkan, Aysun (Pergamon-Elsevier Science LTD, 2009)Life cycle assessment (LCA) methodology was used to determine the optimum municipal solid waste (MSW) management strategy for Eskisehir city. Eskisehir is one of the developing cities of Turkey where a total of approximately ... -
Lifecycle Assessment of Steel Rebar Production with Induction Melting Furnace: Case Study in Turkey
Özdemir, Alp; Günkaya, Zerrin; Özkan, Aysun; Ersen, Orbay; Bilgic, Muammer; Banar, Müfide (Asce-Amer Soc Civil Engineers, 2018)This paper demonstrates the utilization of the lifecycle assessment (LCA) methodology to determine the environmental burdens of steel rebar production with induction melting furnace technology. The data were obtained from ... -
Modified orange peels for the recovery of silver from waste printed circuit boards
Özkan, Aysun; Yapici, Ece; Günkaya, Zerrin; Banar, Müfide (Agro Arge Danışmanlık San Ve Tic As, 2016)In this study, it was focused on the silver adsorption from PCB by biosorbents derived from orange peels. In this content, orange peels (OP) were modified by different methods including saponification with NaOH (OP-S), ... -
A New Approach for Site Selection of Air Quality Monitoring Stations: Multi-Criteria Decision-Making
Hacıoğlu, Halil İbrahim; Arı, Akif; Özkan, Aysun; Elbir, Tolga; Tuncel, Gurdal; Yay, Ozan Devrim; Gaga, Eftade Emine (Taiwan Assoc Aerosol Res-Taar, 2016)The main objective of this study was to choose appropriate locations for two air quality monitoring stations in an urban area in Turkey by using specific decision-making techniques. For this purpose, five different potential ... -
Plant Site Selection for Recycling Plants of Waste Electrical and Electronic Equipment in Turkey By Using Multi Criteria Decision Making Methods
Banar, Müfide; Tulger, gülsah; Özkan, Aysun (Gh Asachi Technical University Iasi, 2014)Waste Electrical and Electronic Equipment (WEEE) is increasing day by day more than the amount of municipal wastes in the developing world. According to researches of Ministry of Environment and Urbanism in Turkey, to meet ... -
Prediction for the Solid Waste Composition by use of Different Curve Fitting Models: A Case Study
Özkan, Kemal; Işık, Şahin; Özkan, Aysun; Banar, Müfide (IEEE, 2015)This study presents a methodology for the prediction of solid waste composition in the urban area based on a set of limited samples. The methodology was applied by a case study for Eskisehir city in Turkey. For this purpose, ...