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Browsing by Author "Eyüpoğlu, Volkan"

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A comparative study of artificial neural network models for the prediction of Cd removal efficiency of polymer inclusion membranes

Eren, Beytullah; Muhammad Yaqub; Eyüpoğlu, Volkan (DESALINATION PUBL, 2019)

In this study, three different artificial neural network (ANN) including feed forward back-propagation (FFBPNN), recurrent neural network (RNN), and generalized regression neural network (GRNN) were proposed to estimate ...
A comprehensive study for selective removal of Cr(VI) by asymmetric imidazolium bromide salts as environmentally-friendly extractant

Eyüpoğlu, Volkan; Halil Ibrahim Turgut; Kumbasar, Recep Ali (TAYLOR & FRANCIS INC, 2018)

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AIP Conference Proceedings

Ahmet Okatan; Eyüpoğlu, Volkan; Kumbasar, Recep Ali; Halil Ibrahim Turgut (AMER INST PHYSICS, 2016)

In this study, we investigated the selective and the synergistic cobalt extraction from acidic aqueous solutions by solvent extraction using tri-iso-octylamine (TIOA) and Tri-n-octyl phosphine oxide (TOPO) as carriers. The ...
AIP Conference Proceedings

Ahmet Okatan; Eyüpoğlu, Volkan; Kumbasar, Recep Ali; Halil Ibrahim Turgut (AMER INST PHYSICS, 2016)

In this study, we investigated the selective and the synergistic cobalt extraction from acidic aqueous solutions by solvent extraction using tri-iso-octylamine (TIOA) and Tri-n-octyl phosphine oxide (TOPO) as carriers. The ...
Alkyl chain length dependent Cr(VI) transport by polymer inclusion membrane using room temperature ionic liquids as carrier and PVDF-co-HFP as polymer matrix

Halil Ibrahim Turgut; Eyüpoğlu, Volkan; Kumbasar, Recep Ali; Şişman, İlkay (ELSEVIER SCIENCE BV, 2017)

In this study, the relationship between transport performance of Cr(VI) through PVDF-co-HFP based ionic polymer inclusion membranes (IPIM), alkyl chain length of symmetric imidazolium bromide based room temperature ionic ...
An assessment of alkyl chain length effect of symmetric midazolium salts as a carrier for selective separation of Cr(VI)

Eyüpoğlu, Volkan; Halil Ibrahim Turgut; Emrah Polat; Ahmet Kunduracioglu; Muharrem Ekrem Koc; Zubeyde Sener; Kumbasar, Recep Ali (TAYLOR & FRANCIS INC, 2017)

Selective solvent extraction (SSX) of Cr(VI) and recovery was evaluated by using a homologous series of symmetric imidazolium bromide salts (SIMs) having various alkyl chain length. Therefore, propyl, pentyl, hexyl, octyl, ...
Determination of heavy metals in lower Sakarya river sediments using a BCR-sequential extraction procedure

Dündar, Mustafa Şahin; Altundağ, Hüseyin; Eyüpoğlu, Volkan; Keskin, Can Serkan (SPRINGER, 2012)

A BCR-sequential extraction procedure for the determination of extractable heavy metals was applied to sediments of various rivers and lakes. There are many rivers basins in Turkey. Sakarya River Basin is one of the most ...
Extraction of Ni(II) from spent Cr-Ni electroplating bath solutions using LIX 63 and 2BDA as carriers by emulsion liquid membrane technique

Eyüpoğlu, Volkan; Kumbasar, Recep Ali (ELSEVIER SCIENCE INC, 2015)

In the present study, the synergistic extraction of Ni(II) from spent Cr-Ni electroplating bath solutions (SEBS) was determined using 5,8-diethyl-7-hydroxydodecan-6-one oxime(LIX 63) and 2-bromodecanoic acid(2BDA) by ...
Overlapping Large Polaron Conductivity Mechanism and Dielectric Properties of Al0.2Cd0.8Fe2O4 Ferrite Nanocomposite

T. Sasmaz Kuru; Şentürk, Erdoğan; Eyüpoğlu, Volkan (SPRINGER, 2017)

In this work, the conduction and dielectric properties of Al0.2Cd0.8Fe2O4 ferrite nanoparticle, which was synthesized by a co-precipitation method, were investigated. Experimental data were taken from 20 Hz to 10 MHz and ...
Performance Evaluation of Nickel Separation and Extraction Process from Simulated Spent Cr/Ni Electroplating Bath Solutions by ELM Process Using LIX63 and PC88A

Eyüpoğlu, Volkan; Kumbasar, Recep Ali; Işık, Mahir (TAYLOR & FRANCIS INC, 2015)

The study was conducted to investigate synergistic extraction of nickel from simulated spent Cr-Ni electroplating bath solutions by emulsion liquid membrane (ELM) process using 5,8-diethyl-7-hydroxydodecan-6-one oxime (LIX ...
Performance Evaluation of Nickel Separation and Extraction Process from Simulated Spent Cr/Ni Electroplating Bath Solutions by ELM Process Using LIX63 and PC88A

Eyüpoğlu, Volkan; Kumbasar, Recep Ali; Işık, Mahir (TAYLOR & FRANCIS INC, 2015)

The study was conducted to investigate synergistic extraction of nickel from simulated spent Cr-Ni electroplating bath solutions by emulsion liquid membrane (ELM) process using 5,8-diethyl-7-hydroxydodecan-6-one oxime (LIX ...
Prediction of Ionic Cr (VI) Extraction Efficiency in Flat Sheet Supported Liquid Membrane Using Artificial Neural Networks (ANNs)

Eyüpoğlu, Volkan; Eren, Beytullah; Doğan, Emrah (UNIV TEHRAN, 2010)

Artificial neural networks (ANNs) are computer techniques that attempt to simulate the functionality and decision-making processes of the human brain. In the past few decades, artificial neural networks (ANNs) have been ...
Prediction of Ionic Cr (VI) Extraction Efficiency in Flat Sheet Supported Liquid Membrane Using Artificial Neural Networks (ANNs)

Eyüpoğlu, Volkan; Eren, Beytullah; Doğan, Emrah (UNIV TEHRAN, 2010)

Artificial neural networks (ANNs) are computer techniques that attempt to simulate the functionality and decision-making processes of the human brain. In the past few decades, artificial neural networks (ANNs) have been ...
Selective and Synergistic Extraction of Nickel from Simulated Cr-Ni Electroplating Bath Solutions using LIX 63 and D2EHPA as Carriers

Eyüpoğlu, Volkan; Kumbasar, Recep Ali (TAYLOR & FRANCIS INC, 2014)

The main goal of the present study is to explain synergistic extraction of nickel from simulated Cr-Ni electroplating bath solutions (SEBS) using 5,8-diethyl-7-hydroxydodecane-6-one oxime (LIX 63) and di-(2-ethylhexyl) ...
Separation of Co(II) from Zinc Plant Acidic Thiocyanate Leach Solutions Containing Co(II) and Ni(II) by Solvent Extraction Using Trioctylamine in Toluene

Eyüpoğlu, Volkan; Kumbasar, Recep Ali (JAPAN ASSOC SOLVENT EXTRACTION, 2011)

In this study, a zinc plant purification cake (CINKUR Co. Turkey) was leached with sulphuric acid and an acidic leach solution containing Zn(II), Fe(II), Pb(II), Al(III), Cu(II), Co(II) and Ni(II) ions was obtained. After ...
SEQUENTIAL EXTRACTION SPECIATION OF HEAVY METALS IN SEDIMENTS BASED ON GRAIN SIZE

Dündar, Mustafa Şahin; Altundağ, Hüseyin; Eyüpoğlu, Volkan; Keskin, Can Serkan (PARLAR SCIENTIFIC PUBLICATIONS (P S P), 2013)

Surface sediments collected from the bottom of the Lower Sakarya River were analyzed for their metal levels based on their grain size. For this purpose, a three-step sequential extraction procedure was used to elucidate ...
Seyreltik sulu çözeltilerden destekli sıvı membran prosesi ile kromun ekstraksiyonu

Eyüpoğlu, Volkan (Sakarya Üniversitesi, 2007)

Anahtar Kelimeler : Alamine 336; destekli sıvı membran; Cr(VI) ekstraksiyonu;permeasyon katsayısı; asidik çözeltiler.Ağır metallerden biri olan krom, trivalent(+3) krom ve hekzavalent(+6) krom halindebulunur. Cr(VI), ...
Sulu çözeltilerden kobalt ve nikelin solvent ekstraksiyon tekniği kullanılarak ayrılması

Eyüpoğlu, Volkan (Sakarya Üniversitesi, 2010)

Kobalt ve nikel alaşım ve bileşikleri endüstriyel ve teknolojik açıdan önemli ve yaygın kullanım alanlarına sahiptirler. Kobalt ve nikelin genellikle birlikte bulunması, bu metallerin benzer fiziksel ve kimyasal özelliklere ...
Synergistic and selective extraction of Cd2+ from acidic solution containing Cd2+, Co2+, Ni2+ by triisooctylamine (TIOA) and tributyl phosphate (TBP)

Sönmez, Fatih; Kumbasar, Recep Ali; Eyüpoğlu, Volkan (ELSEVIER SCIENCE INC, 2012)

Selective and synergistic extraction of cadmium from acidic iodine solutions containing Cd2+, Co2+ and Ni(2+)using solvent extraction (SX) technique is presented in this study. The study has highlighted the importance of ...