Department of Environmental Engineering, Article

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Recent Submissions

Amendment for increased methane production rate in municipal solid waste landfill gas collection systems Larson, Steven L.; Martin, William A.; Şengör, Sema Sevinç; Wade, Roy; Altamimi, Faris (2021-06-01) Optimization of methane production rate can potentially decrease the operational lifetime of the landfill site and assist with better management of methane harvesting from the landfill cells. Increased moisture content in ...
Biohydrogen production from cattle manure and its mixtures with renewable feedstock by hyperthermophilic Caldicellulosiruptor bescii Yılmazel Tokel, Yasemin Dilşad; Duran, Metin (Elsevier BV, 2021-04-10) © 2021 Elsevier LtdFermentation of cattle manure as the sole carbon source and along with the mixtures of switchgrass and wastewater biosolids by hyperthermophilic cellulolytic bacterium, Caldicellulosiruptor bescii was as...
Maximizing the energy potential of urban sludge treatment: An experimental study and a scenario-based energy analysis focusing on anaerobic digestion with ultrasound pretreatment and sludge combustion Çelebi, Emrehan Berkay; Aksoy, Ayşegül; Sanin, Faika Dilek (2021-04-01) With stricter regulations and concerns over sustainability, combustion can be a beneficial handling method as dried sludge can be used as an energy source. Anaerobic digestion of sludge also provides energy in the form of ...
Co-digestion Potential of Industrial Sludges with Municipal Sludge Aksu Bahceci, Hazal; SANİN, SELİM LATİF; Sanin, Faika Dilek (2021-03-01) Anaerobic digestion found limited use in sludges from industrial wastewater treatment plants (WWTPs). So, it is of interest to assess the biodegradability and co-digestion performance of industrial sludges of biological or...
A practical approach for the determination of environmental quality standards-based discharge limits: the case of Tersakan sub-basin of Yesilirmak River in Turkey Çelebi, Sarp; Yetiş, Ülkü; Ünlü, Kahraman (2021-03-01) The control of point source discharges to rivers has become more significant since the establishment of environmental quality standards (EQSs). Many countries, including Turkey, have set EQS values for various contaminants...
Occurrence of micropollutants in the Yesilirmak River Basin, Turkey KÜÇÜK, ELİF; Pilevneli, Tolga; Erguven, Gokhan Onder; ASLAN, SİBEL; Olgun, Elmas O.; Canli, Oltan; Ünlü, Kahraman; Dilek, Filiz Bengü; İPEK, UBEYDE; Avaz, Gulsen; Yetiş, Ülkü (2021-03-01) The European Water Framework Directive (WFD) (2000/60/EC) is the most visionary piece of European environmental legislation that aims to achieve good water status of both surface water and groundwater bodies. The Directive...
Immobilization of Pb and Cu by organic and inorganic amendments in contaminated soil Rizwan, Muhammad Shahid; Imtiaz, Muhammad; Zhu, Jun; Yousaf, Balal; Hussain, Mubshar; Ali, Liaqat; Ditta, Allah; Ihsan, M. Zahid; Huang, Guoyong; Ashraf, Muhammad; Hu, Hongqing (2021-03-01) Soil contamination with heavy metals has become a global environmental-health concern. A series of greenhouse experiments were conducted to investigate the effects of rice straw, rice straw derived biochar (BC), multi-wall...
Understanding the synergy between N-doped ultra-microporous carbonaceous adsorbent and nitrogen functionalities for high performance of CO2 sorption Ahmed, Rafay; Liu, Guijian; Yousaf, Balal; Rehman, Abdul; Munir, Mehr Ahmed Mujtaba; Irshad, Samina; Rashid, Muhammad Saqib; Cheema, Ayesha Imtiyaz (2021-02-01) Porous carbonaceous adsorbents are believed to encourage contenders to CO2 uptake however their high production cost has urged researchers towards cheap renewable. In this study, nitrogen-doped carbonaceous adsorbents with...
intI1 Type Mobile Genetic Elements Co-selected Antibiotic-Resistant Genes in Untreated Hospital Wastewaters Kayali, Osman; İçgen, Bülent (2021-01-01) Dissemination of antibiotic-resistant genes (ARGs) from hospital wastewaters (HWWs) is facilitated by the horizontal gene transfer (HGT) and involves association of ARGs with mobile genetic elements (MGEs). In our previous...
Characterization and source apportionment of carbonaceous aerosols in fine particles at urban and suburban atmospheres of Ankara, Turkey Koçak, Ebru; ASLAN KILAVUZ, SEDA; ÖZTÜRK, FATMA; İmamoğlu, İpek; Tuncel, Süleyman Gürdal (2021-01-01) In order to find the spatial distribution characteristics of elemental (EC) and organic (OC) carbon in fine particles, daily PM2.5 aerosol samples were collected at two different stations, between July 2014 and September 2...
Environmental transformation and nano-toxicity of engineered nano-particles (ENPs) in aquatic and terrestrial organisms Abbas, Qumber; Yousaf, Balal; Ullah, Habib; Ali, Muhammad Ubaid; Ok, Yong Sik; Rinklebe, Joerg (2020-12-01) The rapid development in nanotechnology and incorporation of engineered nano-particles (ENPs) in a wide range of consumer products releasing the massive quantities of ENPs in different environmental compartments. The relea...
Development of a fate and transport model for biodegradation of PBDE congeners in sediments Karakas, Filiz; Aksoy, Ayşegül; İmamoğlu, İpek (Elsevier BV, 2020-11-01) Polybrominated diphenyl ethers (PBDEs) are a family where each congener possesses different physicochemical properties, persistence and/or toxicity. Biodegradation can selectively change the abundance of congeners. These w...
Development of a radioecological model for accidental release of radionuclides Unver, O.; Kocar, C.; Tuncel, G. (Carl Hanser Verlag, 2020-10-01) A dynamic radioecological model was developed to estimate radiation doses and stochastic health risks due to atmospheric releases in case of a nuclear reactor accident. Activities in some foodstuffs, feedstuffs and grass, ...
Sensitivity and uncertainty analysis for a radioecological model Unver, O.; Kocar, C.; Tuncel, G. (Carl Hanser Verlag, 2020-10-01) Uncertainty and sensitivity analysis were conducted for a radioecological model which was developed and applied for severe accident scenario for Akkuyu NPP in Turkey. Uncertainty was investigated in the doses and activity ...
Bamboo-biochar and hydrothermally treated-coal mediated geochemical speciation, transformation and uptake of Cd, Cr, and Pb in a polymetal(iod)s-contaminated mine soil Munir, Mehr Ahmed Mujtaba; Liu, Guijian; Yousaf, Balal; Ali, Muhammad Ubaid; Cheema, Ayesha Imtiyaz; Rashid, Muhammad Saqib; Rehman, Abdul (2020-10-01) In this study, polymetal(iod)s-contaminated mining soil from the Huainan coalfield, Anhui, China, was used to investigate the synergistic effects of biochar (BC), raw coal (RC), and hydrothermally treated coal (HTC) on the...
Carbon fractionation and stable carbon isotopic fingerprint of road dusts near coal power plant with emphases on coal-related source apportionment Liu, Yuan; Liu, Guijian; Yousaf, Balal; Zhang, Jiamei; Zhou, Li (2020-10-01) Road dust from coal utilization is a significant source contributing to the generation of pollutants that can affect the health of people residing within close proximity to roadways. In this study, road dust samples were c...
A strategy for the implementation of water-quality-based discharge limits for the regulation of hazardous substances GÜRSOY HAKSEVENLER, BETÜL HANDE; Atasoy-Aytis, Elif; Dilaver, Mehmet; YALÇINKAYA, SEDAT; Findik-Cinar, Nur; KÜÇÜK, ELİF; PİLEVNELİ, TOLGA; Koc-Orhon, Aybala; Siltu, Esra; Gucver, Sibel Mine; Karaaslan, Yakup; Yetiş, Ülkü (Springer Science and Business Media LLC, 2020-09-01) Many developing countries apply technology-based discharge standards that set quantitative limits on pollutant discharges. These standards do not inherently consider ambient constraints and, therefore, cannot guarantee to ...
Influence of hydrothermal treatment on selenium emission -reduction and transformation from low -ranked coal Ullah, Habib; Chen, Baoliang; Shahab, Asfandyar; Naseem, Faiza; Rashid, Audil; Lun, Lu; Yousaf, Balal; Khan, Sangar (2020-09-01) One of the key environmental limitations in coal usage is selenium emission whose removal is focused in this study. We employed hydrothermal treatment to remove Se element and upgrade low rank Huainan coal at 200-300 degre...
Performance of ozone and peroxone on the removal of endocrine disrupting chemicals (EDCs) coupled with cost analysis Ölmez Hancı, Tuğba; Dogruel, S.; Emek, A. D. Allar; Yilmazer, C. Eropak; Cinar, S.; Kiraz, O.; Citil, E.; Orhon, A. Koc; Siltu, E.; Gucver, S. M.; Ozgun, O. Karahan; Tanık, Ayşe Gül; Yetiş, Ülkü (IWA Publishing, 2020-08-01) Micropollutants such as endocrine disruptors are one of the most important groups of chemicals polluting water resources. Conventional treatment systems may not be effective for the removal of endocrine disrupting chemical...
Integrated solid waste management strategy of a large campus: A comprehensive study on METU campus, Turkey Bahcelioglu, Ecem; Bugdayci, E. Selin; Dogan, Nazli B.; Simsek, Naz; Kaya, Sinan O.; Alp, Emre (Elsevier BV, 2020-08-01) A significant amount of solid waste generation from various streams become inevitable for large campuses due to their large population and variety of activities taking place on the campus. Therefore, it is a challenge to d...

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