Yazar "Un, Umran Tezcan" için listeleme
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Adsorption of Disperse Orange 30 dye onto activated carbon derived from Holm Oak (Quercus Ilex) acorns: A 3(k) factorial design and analysis
Un, Umran Tezcan; Ateş, Funda; Erginel, Nihal; Özcan, Öznur; Oduncu, Emre (Academic Press LTD- Elsevier Science LTD, 2015)In this study, samples of activated carbon were prepared from Holm Oak acorns by chemical activation with H3PO4, ZnCl2 and KOH as activating agents. The samples were characterized by SEM, BET, FTIR and elemental analysis, ... -
Chromium(VI) removal from industrial wastewater using hydrogen peroxide assisted electrocoagulation
Onpeker, Suzan; Un, Umran Tezcan (Desalination Publ, 2019)In this study, removal of hexavalent chromium, Cr(VI), from real industrial wastewater using hydrogen peroxide (H2O2) assisted electrocoagulation was investigated. The material for anode and cathode was iron. The impact ... -
Complete treatment of olive mill wastewaters by electrooxidation
Un, Umran Tezcan; Altay, Umit; Koparal, Ali Savaş; Öğütveren, Ülker Bakır (Elsevier Science Sa, 2008)Laboratory scale electrochemical experiments on. a olive mill wastewater (OMW) were performed to obtain discharge quality which meets the regulations requirement without any pre- or additional treatment. The process has ... -
Continuous electrocoagulation of cheese whey wastewater: An application of Response Surface Methodology
Un, Umran Tezcan; Kandemir, Ayşe; Erginel, Nihal; Ocal, S. Eren (Academic Press LTD- Elsevier Science LTD, 2014)In this study, treatment of cheese whey wastewater was performed using a uniquely-designed continuous electrocoagulation reactor, not previously encountered in the literature. An iron horizontal rotating screw type anode ... -
Electrochemical desulfurization of waste gases in a batch reactor
Un, Umran Tezcan; Koparal, Ali Savaş; Öğütveren, Ülker Bakır (Asce-Amer Soc Civil Engineers, 2007)To meet the increasing need for reduction of exhaust emissions from stationary sources, many technologies have been developed to remove SO2 from flue gas. In this study the anodic oxidation of sulfur dioxide in aqueous ... -
Electrochemical Process for the Treatment of Drinking Water
Un, Umran Tezcan; Koparal, Ali Savaş; Öğütveren, Ülker Bakır; Durucan, Ayça (Parlar Scientific Publications (PSP), 2010)Removal of fluoride from model water (distilled water + NaF salt + Na(2)SO(4)) by electrocoagulation using iron electrode was investigated in this study. Experiments were conducted to evaluate the effects of current density ... -
Electrochemical treatment of wastewaters from poultry slaughtering and processing by using iron electrodes
Eryuruk, Kagan; Un, Umran Tezcan; Öğütveren, Ülker Bakır (Elsevier Sci LTD, 2018)Poultry slaughterhouse wastewater (PSWW) originating from slaughterhouse and meat processing contains high concentrations of organic substances. Discharging this kind of wastewater to a river, sewer system or soil causes ... -
Electrocoagulation in a packed bed reactor-complete treatment of color and cod from real textile wastewater
Un, Umran Tezcan; Aytaç, Ersin (Academic Press LTD- Elsevier Science LTD, 2013)This paper deals with the efficiency of electrocoagulation (EC) for the abatement of COD and absorbance (i.e. color) from real textile wastewater using a packed bed electrochemical reactor in a unique design, not previously ... -
Electrocoagulation of olive mill wastewaters
Un, Umran Tezcan; Uğur, S.; Koparal, Ali Savaş; Öğütveren, Ülker Bakır (Elsevier Science BV, 2006)An attempt has been made to remove chemical oxygen demand (COD) from olive mill wastewaters (OMW) as well as oil-grease and turbidity in the presence of H2O2 and polialuminum chloride (PAC), as a coagulant-aid by an ... -
Electrocoagulation of tissue paper wastewater and an evaluation of sludge for pyrolysis
Un, Umran Tezcan; Topal, Seher; Ateş, Funda (Desalination Publ, 2016)In this study, the electrocoagulation (EC) of tissue paper wastewater is studied using iron and aluminum flat blade disk turbine-type anodes and a cylindrical iron cathode. The effect of several parameters, such as supporting ... -
Electrocoagulation of vegetable oil refinery wastewater using aluminum electrodes
Un, Umran Tezcan; Koparal, Ali Savaş; Öğütveren, Ülker Bakır (Academic Press LTD- Elsevier Science LTD, 2009)Electrocoagulation with aluminum electrodes was used to treat the vegetable oil refinery wastewater (VORW) in a batch reactor. The effects of operating parameters such as pH, Current density, PAC (poly aluminum chloride) ... -
Electrocoagulation of yogurt industry wastewater and the production of ceramic pigments from the sludge
Un, Umran Tezcan; Özel, Emel (Elsevier Science BV, 2013)In this study, the treatment of strained (condensed) yogurt wastewater using a uniquely designed iron reactor with electrocoagulation and the sludge produced during the electrocoagulation as a raw material in the production ... -
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 ... -
Investigating the Advantages and Limitations of Modeling Physical Mass Transfer of CO2 on Flat Plate by One Fluid Formulation in OpenFOAM
Thummala, Phanindra Prasad; Un, Umran Tezcan; Celik, Ahmet Ozan (Budapest Univ Technology Economics, 2020)One fluid formulation is an approach used for modeling and analysis of mass transfer between two immiscible phases. in this study we implement and analyze the advantages and limitations of this approach for CO2 physical ... -
Low-cost adsorbent prepared from poplar sawdust for removal of disperse orange 30 dye from aqueous solutions
Un, Umran Tezcan; Ateş, Funda (Springer, 2019)In this study, the applicability of char generated from poplar sawdust as an inexpensive adsorbent for the removal of a textile dye is investigated. Adsorbent samples were generated through pyrolysis at temperatures of ... -
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 ... -
Optimization of microalgae Scenedesmus SP. growth rate using a central composite design statistical approach
Derakhshandeh, Masoud; Un, Umran Tezcan (Pergamon-Elsevier Science LTD, 2019)In this research, growth rate of microalgae Scenedesmus sp. was modified by optimizing four effective factors. The operational energy efficiency factor (OEEf) of the photobioreactor was also considered in parallel. A central ... -
Production of char from hornbeam sawdust and its performance evaluation in the dye removal
Ateş, Funda; Un, Umran Tezcan (Elsevier Science BV, 2013)Hornbeam sawdust was used as a biomass sample in the experiments involving char production. Within this purpose, a slow pyrolysis of the biomass sample was carried out in a fixed-bed reactor. The chemical characteristics ... -
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. ... -
The treatment of chromium containing wastewater using electrocoagulation and the production of ceramic pigments from the resulting sludge
Un, Umran Tezcan; Onpeker, Suzan Eroğlu; Özel, Emel (Academic Press LTD- Elsevier Science LTD, 2017)This research experimentally investigates the treatment of authentic electroplating wastewater with high Cr(VI) content by electrocoagulation with the obtained sludge being reused as a raw material to produce inorganic ...
