Yazar "Özkan, Aysun" için listeleme
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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 ... -
Planning of the Healthcare Waste Collection Routes in Eskişehir by Using Gis
Banar, Müfide; Özkan, Aysun; Altan, Metin; Ayday, Can (Anadolu Üniversitesi, 2008)This paper describes the planning of vehicle routes in the city for collection and transportation of healthcare wastes. The aim was to layout of the vehicle collection routes used for five days a week to minimize the ... -
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 ... -
Porsuk Havzası Yüzeysel ve Yeraltı Suyu Kirlilik Düzeyinin Araştırılması
Bakış, Recep; Koyuncu, Hakan; Özkan, Aysun; Banar, Müfide; Yılmaz, Gülgün; Yörükoğulları, Ertuğrul (Anadolu Üniversitesi, 2011)Bu makalede, sanayi, tarım ve evsel atık sularla yoğun bir şekilde kirletilen Porsuk çayı ve havzasındaki yüzeysel ve yeraltı suyu kirlilik düzeyi araştırılmıştır. Bu amaçla, Porsuk çayı boyunca ve havza içinden 20 istasyon ... -
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, ... -
Pyrolysis of Hyperaccumulator Plants Used for the Phytoremediation of Lead Contaminated Soil
Özkan, Aysun; Banar, Müfide; Günkaya, Zerrin; Kulaç, Alev; Yalçın, Gülser; Taşpınar, Kadriye; Altay, Abdullah (Foundation Environmental Protection & Research-Fepr, 2014)This study focuses on the phytoremediation of lead (Pb)contaminated soil by hyperaccumulator-plants. In this study-prxilysiS was utilized for the stabilization of Pb into a solid product. In the first stage of the study, ... -
Pyrolysis of Plants After Phytoremediation of Contaminated Soil with Lead, Cadmium and Zinc
Özkan, Aysun; Günkaya, Zerrin; Banar, Müfide (Springer, 2016)The aim of this study was to remediate lead (Pb), cadmium (Cd) and zinc (Zn) from contaminated soil and stabilize to pyrolysis solid product. To accomplish this, phytoremediation of soil contaminated with Pb, Cd and Zn by ... -
Pyrolysis of Printed Circuit Board Waste With the Addition of Certain Common Waste Materials
Banar, Müfide; Özkan, Aysun; Günkaya, Zerrin; Mergen, Alper (Parlar Scientific Publications (PSP), 2017)Every year in Europe, 8.7 million tons of electronic waste is produced, with annual electrical and electronic equipment waste (WEEE) generated in Turkey at 539,000 tons. Most of the WEEE is comprised of printed circuit ... -
Pyrolysis of Waste Toner Cartridges and Liquid Product Characterization
Özkan, Aysun; Yapici, Ece (Parlar Scientific Publications (PSP), 2017)Rapid changes in technology have resulted in an increase in the amount of electrical and electronic wastes produced, and this increase has caused disposal problems. Pyrolysis is one method that can be applied to the ... -
Pyrolysis of Zinc Contaminated Biomass From Phytoremediation
Özkan, Aysun; Günkaya, Zerrin; Banar, Müflide; Kulaç, Alev; Yalçın, Gülser; Taşpınar, Kadriye (2015)Bu çalışmanın amacı, çinkonun topraktan piroliz katı ürününe stabilize edilmesidir. Bu amaçla, ardışık olarak fitoremediasyon ve piroliz işlemleri uygulanmıştır. Fitoremediasyon aşamasında, çinkoyla kirlenmiş topraklar, ... -
Refrakter tuğla üretiminin yaşam döngüsü analizi ve yaşam döngüsü maliyeti yöntemleriyle değerlendirilmesi
Tok, Gülden (Anadolu Üniversitesi, 2015)Bu çalışmada, üretimdeki kurutma ve sinterleme süreçlerinden dolayı oldukça yoğun enerji tüketen bir sektör olan refrakter üretim sektörü ele alınmış, Yaşam Döngüsü Analizi (Life Cycle Assessment, LCA) ve Yaşam Döngüsü ... -
Refuse Derived Fuel (RDF) Utilization in Cement Industry by Using Analytic Network Process (ANP)
Özkan, Aysun; Banar, Müfide (Aidic Servizi Srl, 2010)One of the main methods for utilizing waste is its use as an energy source. Waste is only suitable for use as a fuel if it has chemical energy content. This energy content depends most of all on the size of the (organic) ... -
Stabilization of metal processing plant sludge via sequential application of phytoremediation and pyrolysis
Özkan, Aysun; Günkaya, Zerrin; Banar, Müfide (Taylor & Francis LTD, 2015)The aim of this study is to evaluate the metal removal ability of three different plants from metal processing sludge containing Pb, Cd, and Zn. Therefore, phytoremediation and pyrolysis were sequentially applied. In the ... -
Utilisation of waste clay from boron production as a landfill liner material
Banar, Müfide; Güney, Yücel; Özkan, Aysun; Günkaya, Zerrin; Bayrakçı, Eren; Ulutaş, Derya (Taylor & Francis LTD, 2019)The objective of this study was to investigate the potential utilisation of waste clay from boron production in sanitary landfills. The waste clay (CW) was mixed with bentonite (B) and waste tyre (TW) at different ratios. ... -
Utilization of Waste Clay from Boron Production in Bituminous Geosynthetic Barrier (GBR-B) Production as Landfill Liner
Banar, Müfide; Güney, Yücel; Özkan, Aysun; Günkaya, Zerrin; Bayrakçı, Eren; Ulutaş, Derya (Hindawi Publishing Corp, 2016)Bituminous geomembranes, one type of geosynthetics, include a hot bituminous mixture with mineral filler and reinforcement. In this study, boron production waste clay (CW) was used as filler to produce a geosynthetic barrier ... -
Utilization of waste incineration fly ashes in brick industry
Banar, Müfide; Özkan, Aysun; Yimsek, F. S. (2009)In the present study, waste incineration fly ash samples, taken from a clinic and hazardous waste incineration and energy production plant in Turkey, were mixed with brick raw materials in 10%, 20%, 30%, 40% and 50% ...