Kurum Yazarı "Koparal, Ali Savaş" Çevre Mühendisliği Bölümü İçin Listeleme
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Evaluation of the effect of oxygen on electro-Fenton treatment performance for real textile wastewater using the Taguchi approach
gökkus, O.; Yıldız, N.; Koparal, Ali Savaş; Yıldız, Yaldiz Sevki (Springer, 2018)This investigation demonstrates the performance difference of EF reactions conducted in the oxygenated and oxygen-free conditions due to the contribution of hydroxyl radicals in the solution. Additionally, the effects of ... -
Fluoride removal from water and wastewater with a bach cylindrical electrode using electrocoagulation
Un, Umran Tezcan; Koparal, Ali Savaş; Öğütveren, Ülker Bakır (Elsevier Science Sa, 2013)In this study, an electrochemical reactor with a unique design was used for defluoridation. A rotating impeller aluminium cathode and a cylindrical aluminium anode, which until now have not been employed for fluoride removal ... -
The formation of chlorine dioxide in the electrochemical treatment of drinking water for disinfection
Bergmann, M. E. Henry; Koparal, Ali Savaş (Pergamon-Elsevier Science LTD, 2005)There are increased activities in development and application of electrochemical disinfection cells using the natural chloride content for disinfectants production by directly electrolysed water. Unfortunately, the process ... -
Hybrid processes for the treatment of cattle-slaughterhouse wastewater using aluminum and iron electrodes
ün, ümran Tezcan; Koparal, Ali Savaş; Öğütveren, Ülker Bakır (Elsevier Science BV, 2009)Electrocoagulation (EC) of cattle-slaughterhouse wastewater, which is characterized by (i) high turbidity (up to 340 Nephelometric turbidity units), (ii) increased chemical oxygen demand (COD) concentration (4200 mg L-1), ... -
Kinetic studies on electrochemical antimony removal from concentrated sulfuric acid systems
Bergmann, M. E. Henry; Koparal, Ali Savaş (Wiley-V C H Verlag GMBH, 2007)The aim of this study was to separate antimony from its acidic aqueous solution with an electrochemical method by cathodic deposition. For this purpose it is essential to know the electrochemical behavior of antimony. ... -
One-step SO2 removal from the simulated flue gas on platinum anode in acidic solution
Un, Umran Tezcan; Koparal, Ali Savaş; Öğütveren, Ülker Bakır (World Scientific And Engineering Acad And Soc, 2007)In this study, removal Of SO2 absorbed into sulfuric acid solution from simulated flue gases was studied on Pt expanded mesh anode as three dimensional packed bed electrode in a batch mode. The conversion of the gaseous ... -
Peroxi-coagulation process: a comparison of the effect of oxygen level on color and TOC removals
Yıldız, Nurullah; gökkus, Ömür; Koparal, Ali Savaş; Yıldız, Yalçın Sevki (Desalination Publ, 2019)The present study investigates the feasibility of using peroxi-coagulation (PC) process for the oxidative degradation of real textile wastewater and the Taguchi experimental method was adapted to the system variables to ... -
Removal of disperse dye from aqueous solution by novel adsorbent prepared from biomass plant material
Gerçel, Özgül; Gerçel, H. Ferdi; Koparal, Ali Savaş; Öğütveren, Ülker Bakır (Elsevier Science BV, 2008)The adsorption of Disperse Orange 25 (3-[N-ethyl-4-(4-nitrophenylazo) phenylaminol propionitrile) onto activated carbon was investigated in a batch system with respect to contact time, carbon dosage, pH and temperature ... -
Removal of hydrogen sulfide by electrochemical method with a batchwise operation
Gerçel, Özgül; Koparal, Ali Savaş; Öğütveren, Ülker Bakır (Elsevier Science BV, 2008)This investigation demonstrated the prospects for the development of electrochemical reactor for the removal of hydrogen sulfide from sour gas at ambient temperature. Electrochemical absorption of hydrogen sulfide in aqueous ... -
Removal of nitrate from aqueous solutions by electrodialysis
In this work the removal of the nitrate from water was carried out by electrodialysis. In the experiments the effect of the applied voltage, pH value, initial nitrate concentration and duration of treatment on the removal ... -
The removal of salinity from produced formation water by conventional and electrochemical methods
Koparal, Ali Savaş (Inst Lebensmitteltechnologie Analytische Chemie, 2002)The produced formation water (PFW) which is extracted together with the petroleum is highly saline. In this study the removal of the ions causing salinity, namely Na+, Ca2+, Mg2+, Cl-, SO42- and HCO3- has been investigated. ... -
Studies on electrochemical disinfectant production using anodes containing RuO2
Bergmann, M. E. Henry; Koparal, Ali Savaş (Springer, 2005)The present work contains results for artificial water electrolysis in discontinuous operation using laboratory reactors without separators. Rotating anodes with mixed oxide coatings containing IrO2/RuO2 were used. The ... -
Sulfur dioxide removal from flue gases by electrochemical absorption
Un, Umran Tezcan; Koparal, Ali Savaş; Öğütveren, Ülker Bakır (Elsevier Science BV, 2007)Electrochemical absorption and oxidation of SO2 in aqueous solutions of sulfuric acid on Pt expanded mesh anode with the electrolyte recycle in a unique reactor design and electrode configuration has been investigated. ... -
Toxicity analysis of tannery wastewater treatment using chemical coagulation
Gerek, Emine Esra; Yılmaz, Seval; Yavuz, Y.; Koparal, Ali Savaş (Elsevier Ireland LTD, 2016)… -
Treatment of Basic Red 29 dye solution using iron-aluminum electrode pairs by electrocoagulation and electro-Fenton methods
Yavuz, Yusuf; Shahbazi, Reza; Koparal, Ali Savaş; Öğütveren, Ülker Bakır (Springer Heidelberg, 2014)The aim of this study is the treatment of Basic Red 29 (BR29) dye solution using hybrid iron-aluminum electrodes by electrocoagulation and electro-Fenton methods. The effect of current density, initial pH, supporting ... -
Treatment of slaughterhouse wastewater with iron electrodes
Un, Umran Tezcan; Koparal, Ali Savaş; Öğütveren, Ülker Bakır (Wit Press, 2008)This study is mainly focused on the electrocoagulation treatment of slaughterhouse wastewater for determining effects of the basic operating parameters such as current density, and supporting electrolyte dosage using iron ... -
Use of ultrasound for tar removal from tar-contaminated sand
Koparal, Ali Savaş; Nii, S; Kawaizumi, F; Takahashi, K (Soc Chemical Eng Japan, 2005)A countercurrent continuous washing apparatus for tar removal under ultrasonic irradiation has been developed. Tar was dissolved in dimethylformamide, DMF and sand was soaked into the resulting tar solution to prepare ... -
Water Disinfection With Advanced Methods: Successive and Hybrid Application of Antibacterial Column With Silver, Ultrasound and Uv Radiation
Gemici, B. T.; Karel, Filiz B.; Karaer, Fadime; Koparal, Ali Savaş (Corvinus University Budapest, 2018)The disinfection process is of great importance to the water supply to prevent diseases spread by water. Due to its negative impacts on human health, the number of studies conducted on disinfection systems alternative to ...