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Recent Submissions

Fate and effect of Polyamide-6 microplastics in mesophilic and thermophilic anaerobic digestion Şimşek, İrem; Sanin, Faika Dilek (2024-11-15) Research has demonstrated that depending on the type and concentration, microplastics affect anaerobic digestion (AD). Owing to the high abundance of polyamide-6 (PA6) in wastewater treatment plants and limited understandi...
Use of lyophilized and acclimated digestate dominated by Methanobrevibacter as a start-up inoculum in anaerobic digester led to higher methane production in biochemical methane potential assays Cam, Deniz; Sayin, Sena; Sarman, Oral Zeki; Iren, Erol; İçgen, Bülent (2024-09-01) Transporting wet inoculum for full-scale anaerobic digester (AD) start-up is usually infeasible and costly, especially, for remote locations. To overcome these burdens lyophilized AD inoculum is thought to be used after on...
Assessment of the implementation status of best available techniques for cleaner production in the textile industry Yaman, Mehmet Eren; Ozturk, Emrah; Yetiş, Ülkü; KİTİŞ, Mehmet (2024-08-01) The draft Integrated Pollution Prevention and Control (IPPC) regulation mandates compliance with best available techniques (BATs) for textile manufacturers. A study in Turkish textile facilities, covering 56 units across f...
A life cycle assessment of the membrane processes applied for salt recovery from reactive dyeing wastewater Şimşek, Naz Zeynep; Yetiş, Ülkü (2024-06-01) The environmental impacts of membrane treatment for salt and water recovery from reactive dyeing wastewater are assessed using the Life Cycle Assessment (LCA) framework. Three membrane treatment options (UF-only, NF-only, ...
Nutrient recovery from manure digestate by using waste magnesite powder and bone meal as sustainable substitutes for struvite precipitation Kutlar, Feride Ece; Engin, Iskin; Yılmazel Tokel, Yasemin Dilşad (2024-05-08) BACKGROUND: Struvite (MgNH4PO4.6H(2)O) precipitation is a sustainable approach that can offer simultaneous removal/recovery of nutrients from biogas plant effluents. However, most biogas plant effluents contain a higher mo...
Enhancing Microplastics Recovery from Complex Sludge Samples Using COD‑Guided Pretreatment Sanin, Faika Dilek (2024-05-01) Given the society’s continuous reliance on plastic materials, large amounts of micron-sized plastic particles (i.e., microplastics, MPs) reach wastewater treatment plants (WWTPs) every day. Despite their effective removal ...
Unraveling the mechanisms of free radicals-based transformation and accumulation of potentially toxic metal(loid)s in biochar- and compost-amended soil-plant systems Cheema, Ayesha Imtiyaz; Amina, Amina; Ullah, Habib; Munir, Mehr Ahmed Mujtaba; Rehman, Abdul; Sarma, Hemen; Pikoń, Krzysztof; Yousaf, Balal (2024-04-10) Rapid industrialization and urbanization have resulted in the widespread contamination of soil by potentially toxic metal(loid)s (PTMs). Among these, arsenic (As), cadmium (Cd), chromium (Cr) lead (Pb) and nickel (Ni) are ...
Resource utilization in the sub-sectors of the textile industry: opportunities for sustainability KIR, Alperen; Ozturk, Emrah; Yetiş, Ülkü; KİTİŞ, Mehmet (2024-01-01) It was aimed to determine the specific resource use and reduction potential profiles in various textile sub-sectors (cotton woven fabric dyeing-finishing, wool woven fabric dyeing-finishing, synthetic woven fabric dyeing-f...
Monitoring of organic micropollutant behavior and fate in a full-scale conventional biological urban wastewater treatment plant Demirbilek, D.; İpek, U.; Yetiş, Ülkü (2024-01-01) Organic micropollutants, found at trace levels in nature, are causing significant concern due to their toxic, carcinogenic, and mutagenic effects. In this study, the fate and removal of organic micropollutants were monitor...
Discharges of Wastewater Treatment Plants Needed Further Monitoring to Minimize Potential Risk of Entamoeba and Blastocystis for Public Health Onursal, Aslı; İçgen, Bülent (2024-01-01) The protozoan parasites Entamoeba histolytica and Blastocystis hominis are responsible for causing human amebiasis and hominis infections, respectively. These infections are highly prevalent and are often linked to waterbo...
Linear solvation energy relationships for adsorption of aromatic organic compounds by microplastics Hatinoglu, Dilara; Adan, Abdulrahman; Perreault, Francois; İmamoğlu, İpek; Apul, Onur G. (2023-12-05) This study develops predictive models for adsorption of organic compounds (OC) by microplastics using linear solvation energy relationship (LSER). The adsorption mechanism of aromatic OCs by microplastics was investigated ...
Methane Recovery from Cattle Manure: Role of Granular Activated Carbon Amendment into Anaerobic Digestion-Microbial Electrolysis Cells (AD-MECs) Integrated Systems Ghaderikia, Amin; Yılmazel Tokel, Yasemin Dilşad (2023-12-01) Anaerobic digestion (AD) of manure is commonly applied, yet the low methane (CH4) production yield and rate are among the limitations of the process. AD integration with microbial electrolysis cells (MECs) and amendment of...
Enhanced biohydrogen production from high loads of unpretreated cattle manure by cellulolytic bacterium Caldicellulosiruptor bescii at 75 °C Tunca, Berivan; Kutlar, Feride Ece; Kas, Aykut; Yılmazel Tokel, Yasemin Dilşad (2023-11-01)
Modification of Saharan dust size distribution during its transport over the Anatolian Plateau Uzunpınar, Elif Sena; İmamoğlu, İpek; Rahmani, Amir; Tuncel, Süleyman Gürdal (2023-09-20) Particle number size distribution in dust plumes and its modification as the plume travels over the Anatolia were investigated by measuring particle number size distributions at two stations: one located on the Mediterrane...
Novel catabolic pathway for 4-Nitroaniline in a Rhodococcus sp. strain JS360 Kurt, Zöhre; Qu, Yi; Spain, Jim C. (2023-07-15) 4-Nitroaniline (4NA), the starting material for the first synthesized azo dye, is a toxic compound found in industrial wastewaters. Several bacterial strains capable of 4NA biodegradation were previously reported but the d...
Seasonal monitoring of microbial activity using conventional approaches in a full-scale urban biological wastewater treatment plant Demirbilek, Deniz; İpek, Ubeyde; Yetiş, Ülkü (2023-05-01) Activated sludge processes contain various groups of microorganisms with different metabolic properties, which are responsible for contaminants removal. Therefore, it is important to elucidate the general structure and fun...
Preparation of chabazite based Fenton-like heterogeneous catalyst and its organic micropollutant removal performance Ali, Mohsin; Dilek, Filiz Bengü; İpek Torun, Bahar (2023-04-01) Natural chabazite (CHA) is used for the first time as a heterogeneous catalyst in Fenton-like oxi- dation. Pretreatment techniques (NH4+-exchange, steam treatment, and Fe-exchange) were ap- plied to natural CHA to improve ...
Start-up strategies of electromethanogenic reactors for methane production from cattle manure Ghaderikia, Amin; Taşkın, Bilgin; Yılmazel Tokel, Yasemin Dilşad (2023-03-15) This study qualitatively assessed the impacts of different start-up strategies on the performance of methane (CH4) production from cattle manure (CM) in electromethanogenic reactors. Single chamber MECs were operated with ...
Microplastics & organics - a comparative study of sorption of triclosan and malachite green onto polyethylene Ciftci, Goekce; Turkeli, Ulku Dide; Ozen, Elif Yaren; Özdemir, Melek; Sanin, Faika Dilek; İmamoğlu, İpek (2023-02-01) This study aims to elucidate interaction of organics with microplastics in a comparative manner via the use of two model compounds (i.e., triclosan and malachite green) having different physicochemical properties, onto pol...
Wastewater treatment plants discharges disseminated more Giardia than Cryptosporidium Onursal, Asli; İçgen, Bülent (2023-02-01) Parasitic protozoaGiardia intestinalisandCryptosporidium parvumare causative agents for giardiasis and cryptosporidiosis, respectively. These infections are mostly associated with waterborne diseases. The discharges from w...

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