Yazar "Demirbaş, Özkan" için listeleme
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Adsorption kinetics and mechanism of maxilon blue 5G dye on sepiolite from aqueous solutions
Alkan, Mahir; Doğan, Mehmet; Turhan, Yasemin; Demirbaş, Özkan; Turan, Pınar (Elsevier Science Sa, 2008)The use of sepiolite for the removal of maxilon blue 5G from aqueous solutions at different contact times, stirring speeds, initial dye concentrations, pHs, ionic strengths and temperatures was investigated. The adsorption ... -
Adsorption kinetics and thermodynamics of an anionic dye onto sepiolite
Alkan, Mahir; Demirbaş, Özkan; Doğan, Mehmet (Elsevier Science Bv, 2007)The adsorption kinetics of CI reactive blue 221 (RB221), an anionic dye, onto sepiolite was investigated in aqueous solution in a batch system with respect to stirring speed, contact time, initial dye concentration, pH, ... -
Adsorption kinetics of a cationic dye from wastewater
Demirbaş, Özkan; Alkan, Mahir (Taylor & Francis Ltd, 2015)The adsorption kinetics and thermodynamics of Maxilon Blue 5G, a cationic textile dye, onto perlite were investigated in aqueous solution in a batch system for determining the effect of contact time, stirring speed, initial ... -
Adsorption kinetics of maxilon blue GRL onto sepiolite from aqueous solutions
Doğan, Mehmet; Alkan, Mahir; Demirbaş, Özkan; Özdemir, Yasemin; Özmetin, Cengiz (Elsevier Science Sa, 2006)Adsorption isotherm of maxilon blue GRL on sepiolite was determined and correlated with common isotherm equations such as Langmuir and Freundlich models. It was found that the Langmuir model appears to fit the isotherm ... -
Adsorption of casein onto some oxide minerals and electrokinetic properties of these particles
Demirbaş, Özkan; Alkan, Mahir; Demirbaş, Aygül (Elsevier Science Bv, 2015)In this study, the adsorption properties of casein onto some oxide minerals such as sepiolite, kaolinite and expanded and unexpanded perlites samples were studied as a function of concentrations of casein, sodium phosphate ... -
Adsorption of cationic polyacrylamide (C-PAM) on expanded perlite
Tekin, Nalan; Dinçer, Aziz; Demirbaş, Özkan; Alkan, Mahir (Elsevier Science Bv, 2010)The adsorption of cationic polyacrylamide (C-PAM) onto expanded perlite (EP) from aqueous solutions was investigated as a function of some parameters such as pH, ionic strength, and temperature. The adsorption of C-PAM was ... -
Adsorption of cationic polyacrylamide onto kaolinite
Tekin, Nalan; Demirbaş, Özkan; Alkan, Mahir (Elsevier Science Bv,, 2005)The adsorption of the cationic polymer, polyacrylamide (PAM), onto kaolinite was investigated. Polyacrylamides are among the most commonly used polymers in industry and adsorption of PAM onto kaolinite from aqueous solutions ... -
Adsorption of cationic polyacrylamide onto sepiolite
Tekin, Nalan; Dinçer, Aziz; Demirbaş, Özkan; Alkan, Mahir (Elsevier Science Bv, 2006)The adsorption of PAM onto sepiolite from aqueous solutions has been investigated systematically as a function of some parameters such as calcination temperature of sepiolite, pH, ionic strength and temperature. The ... -
Adsorption of copper (II) ions onto sepiolite and electrokinetic properties
Doğan, Mehmet; Türkyılmaz, Aydın; Alkan, Mahir; Demirbaş, Özkan (Elsevier Science Bv, 2009)We investigated the electrokinetic properties of sepiolite Suspensions using the microelectrophoresis technique as a function of pH in the presence of various electrolytes such as, LiCl, NaCl, KCl, Cu(NO(3))(2), CaCl(2), ... -
Adsorption of CTAB onto perlite samples from aqueous solutions
Alkan, Mahir; Karadaş, Mecit; Doğan, Mehmet; Demirbaş, Özkan (Academic Press Inc Elsevier Science, 2005)In this study, the adsorption properties of unexpanded and expanded perlite samples in aqueous cetyltrimethylammonium bromide (CTAB) solutions were investigated as a function of ionic strength, pH, and temperature. It was ... -
Adsorption of polyvinylimidazole onto kaolinite
Tekin, Nalan; Kadıncı, Emine; Demirbaş, Özkan; Alkan, Mahir; Kara, Ali (Academic Press Inc Elsevier Science, 2006)The adsorption of polyvinylimidazole (PVI) onto kaolinite from aqueous solutions has been investigated systematically as a function of parameters such as calcination temperature of kaolinite, pH, ionic strength, and ... -
Bazı aromatik bitkilerden elde edilen doğal boyaların diatomit yüzeyinde sorpsiyon özelliklerinin incelenmesi
Talaş, Erdal (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2018)Tıbbi ve aromatik bitkiler sağlık için oldukça faydalı maddeleri bünyelerinde taşımaktadırlar. Dünya genelinde 50.000-75.000 arasındaki bitki türü, geleneksel ve modern tıpta kullanılmaktadır. Türkiye sınırları içerisinde ... -
Biosorption of zinc ions onto corylus avellana L.
Demirbaş, Özkan; Karadağ, Adem (Taylor & Francis Ltd, 2015)Hazelnut is one of the most important agricultural products of Turkey. North coasts of Turkey are so suitable to grow hazelnut that approximately 80% of the total hazelnut production in the world is supplied from this ... -
Characterization and adsorption properties of chemically modified sepiolite
Turhan, Yasemin; Turan, Pınar; Doğan, Mehmet; Alkan, Mahir; Namlı, Hilmi; Demirbaş, Özkan (Amer Chemical Soc, 2008)Modification of sepiolite clay has been performed using triethoxy-3-(2-imidazolin-1-yl)propylsilane in the presence of toluene solution. The modified material was characterized by FTIR spectroscopy, XRD, and simultaneous ... -
Characterization, adsorption, and electrokinetic properties of modified sepiolite
Beyli, Pınar Turan; Doğan, Mehmet; Alkan, Mahir; Türkyılmaz, Aydın; Turhan, Yasemin; Demirbaş, Özkan; Namlı, Hilmi (Taylor & Francis Inc, 2016)The metal ion adsorption and electrokinetic properties of sepiolite modified by 3-(trimetoxysilyl)propyl metaacrylate was studied. The characterization of modified sepiolite was made by Fourier transform infrared spectroscopy ... -
Determination of the efficacy of thymol, eucalyptus and oxalic acid in the control of varroosis in honey bees
Özüiçli, Mehmet; Girişgin, Ahmet Onur; Kısadere, İhsan; Demirbaş, Özkan; Baykalır, Yasin (Balıkesir Üniversitesi, 2024)Objective: The subject of our study is to determine the efficacies of the natural products such as thyme oil, eucalyptus oil, and oxalic acid against Varroa destructor ectoparasite, which is widely observed in honey bee ... -
The dye removal from aqueous solution using polymer composite films
Şen, Fatih; Demirbaş, Özkan; Çalımlı, Mehmet Harbi; Aygün, Ayşenur; Alma, Mehmet Hakkı; Nas, Mehmet Salih (Springer Heidelberg, 2018)The composite consisted of clay and polymers like polyethylene (GCP) was used to remove methylene blue (MB) from the water. The most effective pH, temperature and initial dye concentration in adsorption process were found ... -
Electrokinetic and adsorption properties of sepiolite modified by 1-[3-(trimethoxysilyl)propyl]urea
Turan, Pınar; Doğan, Mehmet; Alkan, Mahir; Turhan, Yasemin; Namlı, Hilmi; Demirbaş, Özkan (Parlar Scientific Publications (P S P), 2007)Surface modification of clay minerals has become increasingly important for improving the practical applications. Modification of sepiolite clay has been performed using 1-[3-(trimethoxysilyl)propyl]urea (TMSPU) in the ... -
Electrokinetic and adsorption properties of sepiolite modified by 3-aminopropyltriethoxysilane
Demirbaş, Özkan; Alkan, Mahir; Doğan, Mehmet; Turhan, Yasemin; Namlı, Hilmi; Turan, Pınar (Elsevier Science Bv, 2007)Surface modification of clay minerals has become increasingly important for improving the practical applications of clays such as fillers and adsorbents. An investigation was carried out on the surface modification of ... -
Electrokinetic properties of kaolinite in mono- and multivalent electrolyte solutions
Alkan, Mahir; Demirbaş, Özkan; Doğan, Mehmet (Elsevier Science Bv,, 2005)Zeta potential, known as the electrical potential at the shear plane, zeta, is one of the important electrokinetic properties of clay minerals. For many applications, the sign and the magnitude of the ( potential is necessary ...
