Yazar "Özkan, Aysun" için 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, ... -
Choosing a recycling system using ANP and ELECTRE III techniques
Banar, Müfide; Özkan, Aysun; Kulaç, A. (2010)The process of coordinating with the European Union forced the Turkish government to set up new obligations and an environmental policy for Turkey. The new regulations are more obligatory and have more district lines than ... -
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 ... -
Elektronik atıklardan değerli metallerin biyosorpsiyon yoluyla geri kazanımı
Yapıcı, Ece (Anadolu Üniversitesi, 2016)Sürekli gelişen teknoloji elektrikli-elektronik eşya kullanımındaki sirkülasyonu da arttırmakta ve bunun sonucu olarak büyük miktarlarda atık kütleleri oluşmaktadır. Atık elektrikli ve elektronik eşyaların (AEEE) yönetiminde ... -
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 ... -
Fitoremediasyon ve piroliz işlemlerinin ardışık uygulamasıyla kadmiyum stabilizasyonu
Bu çalışmanın amacı, toprakta kirletici olarak bulunan kadmiyumun (Cd) stabilizasyonunu sağlamak için, ardışık olarak fitoremediasyon ve piroliz işlemlerinin uygulanmasıdır. Çalışmanın ilk aşamasında, kadmiyumla kirlenmiş ... -
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 ... -
Kampus Katı Atıklarının Karakterizasyonu ve Geri Kazanımı: Anadolu Üniversitesi Örneği
Banar, Müfide; Özkan, Aysun (Anadolu Üniversitesi, 2005)Günümüzde, atık miktarındaki hızlı artış nedeniyle sadece uluslararası ve ulusal değil, yerel anlamda da etkin bir entegre katı atık yönetiminin oluşturulması gerektiğinden, tüm dünyadaki üniversite kampuslarında, çevre ... -
Kentsel katı atık yönetim sistemlerinin oluşturulmasında farklı karar verme tekniklerinin kullanımı
Özkan, Aysun (Anadolu Üniversitesi, 2008)Sürdürülebilir bir katı atık yönetimi planlaması teknik, çevresel, ekonomik, sosyal ve politik faktörleri içeren karmaşık ve disiplinlerarası bir konudur. Bu tezde, bir kentte katı atık yönetim sistemi kurulurken izlenmesi ... -
Kurşunla Kontamine Olmuş Toprakların Fitoremediasyonunda Kullanılan Hiperakümülatör Bitkilerin Pirolizi
Özkan, Aysun; Banar, Müfide; Cokaygıl, Zerrin; Kulaç, Alev; Yalçın, Gülser; Taşpınar, Kadriye (2014)Bu çalışmada, kurşunla kirlenmiş toprakların hiperakümülatör bitkilerle arıtımı ve bu bitkilerin piroliziyle,piroliz sonrası elde edilen katı üründe kurşunun stabilizasyonu hedeflenmiştir. Çalışmanın ilk aşamasında,laboratuvarda ... -
Kurşunla Kontamine Olmuş Toprakların Fitoremediasyonunda Kullanılan Hiperakümülatör Bitkilerin Pirolizi
Özkan, Aysun; Banar, Müfide; Cokaygıl, Zerrin; Kulaç, Alev; Yalçın, Gülser; Taşpınar, Kadriye (2014)Bu çalışmada, kurşunla kirlenmiş toprakların hiperakümülatör bitkilerle arıtımı ve bu bitkilerin piroliziyle,piroliz sonrası elde edilen katı üründe kurşunun stabilizasyonu hedeflenmiştir. Çalışmanın ilk aşamasında,laboratuvarda ...
