H. Köseoğlu

Süleyman Demirel University

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Mehmet Kitiş

Süleyman Demirel University

N.Ö. Yiğit

Süleyman Demirel University

Bİ

Bilgehan İlker Harman

Süleyman Demirel University

Nalan Kabay

Ege University

G. Civelekoglu

Akdeniz University

Sarper Sarp

Swansea University

Mithat Yüksel

Ege University

Enver Güler

Atilim University

Ece Gonulsuz

Süleyman Demirel University

Mehmet Beyhan

Suleyman Demirel University

Cooperative Institutions

Süleyman Demirel University

Suleyman Demirel University

Isparta University of Applied Sciences

Ege University

National University of Singapore

Middle East Technical University

Gwangju Institute of Science and Technology

King Abdullah University of Science and Technology

Technische Universität Berlin

Clemson University

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The Use of a Pilot-Scale Membrane Bioreactor in Treating Domestic Wastewater with Variable Characteristics for Potential Water Reuse on a University Campus

Springer eBooks (2008)

N.Ö. Yiğit Bilgehan İlker Harman G. Civelekoglu H. Köseoğlu Nazim Çiçek

Membrane bioreactor

Membrane Fouling

Hydraulic retention time

10.1007/978-3-540-74492-4_20

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Citations (2)

The recovery of silver from mining wastewaters using hybrid cyanidation and high-pressure membrane process

Minerals Engineering (2009)

H. Köseoğlu Mehmet Kitiş

Gold cyanidation

Nanofiltration

Membrane Technology

10.1016/j.mineng.2008.11.006

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Citations (46)

Removal of boron from SWRO permeate by boron selective ion exchange resins containing N-methyl glucamine groups

Desalination (2008)

Nalan Kabay Sarper Sarp Mithat Yüksel Mehmet Kitiş H. Köseoğlu

Ion-exchange resin

10.1016/j.desal.2007.01.199

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Citations (77)

Filtrierbarkeit und Scherstabilität von geflocktem Belebtschlamm

Chemie Ingenieur Technik (2008)

V. Iversen Jörn Villwock H. Köseoğlu N.Ö. Yiğit Anja Drews

Recyclingoptionen auch unter GMP entwickeln.Neben der Entwicklung von Auslegungsmethoden zur Verfahrens-und Prozessentwicklung werden Optimierungsstrategien zur Produktivitätssteige-

10.1002/cite.200750453

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Citations (1)

The impacts of operational conditions on phenol removal by nanofiltration membranes

Desalination and Water Treatment (2011)

H. Köseoğlu Bilgehan İlker Harman N.Ö. Yiğit Nalan Kabay Mehmet Kitiş

The main purpose of this study was to investigate the effectiveness of various nanofiltration (NF) membranes in rejecting phenol from waters. The impacts of operational conditions and water chemistry on phenol rejections in model solutions were studied. Single-solute phenol model solutions were prepared in distilled and deionized water. All membrane tests were conducted using a lab-scale cross-flow flat-sheet configuration test unit. For all the tested NF membranes, the main factor affecting phenol rejections was solution pH. Increasing solution pH from 7.0 to 10.5 significantly increased phenol rejections. Both the enhanced negative membrane surface charge at higher pH and the dominance of negatively charged phenolate species led to higher phenol rejections at pH 10.5 compared to neutral pH. No significant changes in flux values were observed at neutral pH and pH of 10.5. There was not a correlation among salt and phenol rejections by the tested polyamide NF membranes. The initial phenol concentrations (50 and 200 mg/l) did not affect permeate flux and phenol rejections. Phenol rejections increased by increasing the pressure from 100 to 200 psi. The results overall indicated that although both size exclusion and electrostatic repulsion mechanisms play role in phenol rejections by NF membranes, electrostatic repulsion mechanism contributes more to rejections than size exclusion mechanism. Supporting the electrostatic repulsion mechanism through pH increase in NF applications may result in both enhanced phenol rejections and prevention of phenol adsorption and further diffusion inside the membranes. On the other hand, the pH adjustments should be within the range of manufacturer specifications since increased membrane degradation could occur at higher pH values in polyamide membranes.

Nanofiltration

Distilled water

10.5004/dwt.2011.2120

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Citations (10)

The removal of boron from model solutions and seawater using reverse osmosis membranes

Desalination (2008)

H. Köseoğlu Nalan Kabay Mithat Yüksel Mehmet Kitiş

Artificial seawater

Distilled water

Osmotic pressure

10.1016/j.desal.2007.01.189

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Citations (51)

Water Flux and Reverse Salt Flux

Elsevier eBooks (2018)

H. Köseoğlu Enver Güler Bilgehan İlker Harman Ece Gonulsuz

Reversed electrodialysis

Energy flux

Energy source

10.1016/b978-0-444-63961-5.00002-x

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Citations (11)

Kaplanmış Seramik Membranla Rekabetli Ağır Metal Adsorpsiyonu ve Rejenerasyon Yöntemlerinin İncelenmesi

Deu Muhendislik Fakultesi Fen ve Muhendislik (2020)

Niyazi Erdem Delikanlı Muhammed Talha Aydin N.Ö. Yiğit Bilgehan İlker Harman Tugba Sardohan-Koseoglu

In this study, active surface of ceramic membrane was modified with silica layer and amino groups in order to improve the treatability of industrial wastewater with heavy metal content.As the separation capabilities of the developed membrane increased, it became more selective for metal ions in industrial wastewaters.The modified membrane is characterized by SEM-EDX, membrane surface charge, and XRF measurements.The affinities and rejection capacities of heavy metals in industrial wastewater on the coated ceramic membrane were investigated at constant concentration and pressure (6.5 mg / L, 2 bar) with single, triple and 5-mixture model solutions.Then, 2 different regeneration methods were applied to the coated ceramic membrane.To determine the regeneration capacity of coated ceramic membrane with optimum regeneration method; 3 different pressures (1,2 and 4 bar) and 3 different concentrations (6,5, 64 and 128 mg / L) of copper containing model solution and industrial wastewater were tested and compared with the clean water flux after regeneration.In single experiments the removal order was obtained as Cu 2+ >Pb 2+ >Ni 2+ >Zn 2+ >Fe 2+ .In triple tests removal order of Pb 2+ >Ni 2+ >Cu 2+ and Zn 2+ >Cu 2+ >Fe 2+ was obtained.In the removal test where all metals are combined, the result was obtained as Pb 2+ >Ni 2+ >Zn 2+ >Cu 2+ >Fe 2+ which is similar to the results of the studies in the literature.As a result of the tests performed, coated ceramic membranes were able to recover their initial performance after regeneration.ICP-MS analysis of the samples taken from the regeneration stream after coated membrane experiments 26,84-33,73 mg/L copper was found.By the multi-channel ceramic membrane tests which will be conducted in future studies, it is expected that the coating will strengthen the adsorption process by covering a larger surface area on ceramic membranes and reduce the process costs with obtained higher fluxes.

Ceramic membrane

Industrial wastewater treatment

10.21205/deufmd.2020226520

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Citations (0)

Sustainable textile production: cleaner production assessment/eco-efficiency analysis study in a textile mill

Journal of Cleaner Production (2016)

Emrah Öztürk H. Köseoğlu Mustafa Karaboyacı N.Ö. Yiğit Ülkü Yetış

Cleaner production

Textile

Environmental Pollution

10.1016/j.jclepro.2016.02.071