Yazar "Özcan, Adnan" için listeleme
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Adsorption and solid phase extraction of 8-hydroxyquinoline from aqueous solutions by using natural bentonite
Erdem, Bilge; Özcan, Adnan; Özcan, Asiye Safa (Elsevier Science BV, 2010)The nitrogen-heterocyclic compound 8-hydroxyquinoline (8HQ) is one of the components of coal tar and has a wide variety of uses in industry. Because of its toxicity for aquatic organisms and harmful effects for human health, ... -
Adsorption behavior of a disperse dye on polyester in supercritical carbon dioxide
Özcan, Asiye Safa; Özcan, Adnan (Elsevier Science BV, 2005)In order to understand the adsorption behavior of the dyeing of polyester fibres in supercritical carbon dioxide at 95 degrees C and 300 bar, the rate of dyeing and the equilibrium adsorption of a disperse dye, C.I. Disperse ... -
Adsorption behavior of a textile dye of Reactive Blue 19 from aqueous solutions onto modified bentonite
Gök, Özer; Özcan, Asiye Safa; Özcan, Adnan (Elsevier Science BV, 2010)The aim of this study is to evaluate adsorption kinetics, isotherms and thermodynamic parameters of Reactive Blue 19 (RB19) onto modified bentonite from aqueous solutions. The effects of pH, contact time, initial dye ... -
Adsorption characteristics of lead(II) ions onto the clay/poly(methoxyethyl)acrylamide (PMEA) composite from aqueous solutions
Solener, Musa; Tunalı, Sibel; Özcan, Asiye Safa; Özcan, Adnan; Gedikbey, Tevfik (Elsevier Science BV, 2008)The presence of heavy metals in the aquatic environment has been a big deal to scientists due to their increased discharge, toxic nature, and other adverse effects on receiving waters. Even a very low concentration of lead ... -
Adsorption kinetics and isotherm parameters of naphthalene onto natural- and chemically modified bentonite from aqueous solutions
Kaya, Erbil Melek Özlem; Özcan, Asiye Safa; Gök, Özer; Özcan, Adnan (Springer, 2013)Polycyclic aromatic hydrocarbons (PAHs) have widely been studied and a special concern because of their mutagenic and carcinogenic activities. In this study, natural- and chemically modified-bentonite were characterized ... -
Adsorption kinetics of naphthalene onto organo-sepiolite from aqueous solutions
Gök, Özer; Özcan, Asiye Safa; Özcan, Adnan (Elsevier Science BV, 2008)In this study, the adsorption kinetics of naphthalene onto organically modified-sepiolite was investigated by means of the effects of pH, contact time, adsorbent dosage and temperature. The modification of natural sepiolite ... -
Adsorption of Acid Blue 193 from aqueous solutions onto DEDMA-sepiolite
Özcan, Adnan; Öncü Kaya, Elif Mine; Özcan, Asiye Safa (Elsevier Science BV, 2006)The adsorption of Acid Blue 193 (AB 193) onto dodecylethyldimethylammonium (DEDMA)-sepiolite was investigated in aqueous solution in a batch system with respect to contact time, pH and temperature. The surface modification ... -
Adsorption of acid dyes from aqueous solutions onto acid-activated bentonite
Özcan, Asiye Safa; Özcan, Adnan (Academic Press Inc Elsevier Science, 2004)The adsorption of two dyes, namely, Acid Red 57 (AR57) and Acid Blue 294 (AB294), onto acid-activated bentonite in aqueous solution was studied in a batch system with respect to contact time, pH, and temperature. Acidic ... -
Adsorption of Acid Red 57 from aqueous solutions onto surfactant-modified sepiolite
Özcan, Adnan; Özcan, Asiye Safa (Elsevier Science BV, 2005)The adsorption of Acid Red 57 (AR57) onto surfactant-modified sepiolite was investigated in aqueous solution in a batch system with respect to contact time, pH and temperature. The surface modification of surfactant-modified ... -
Adsorption of Acid Yellow 99 onto DEDMA-sepiolite from aqueous solutions
Özcan, Asiye Safa; Özcan, Adnan (Inderscience Enterprises LTD, 2008)The adsorption of Acid Yellow 99 (AY99) onto dodecylethyldimethylammonium (DEDMA)-sepiolite was investigated in aqueous solution in a batch system with respect to pH, contact time and temperature. The surface modification ... -
Adsorption of lead(II) ions onto 8-hydroxy quinoline-immobilized bentonite
Özcan, Asiye Safa; Gök, Özer; Özcan, Adnan (Elsevier Science BV, 2009)In this Study, the immobilization of 8-hydroxy quinoline onto bentonite was carried out and it was then used to investigate the adsorption behavior of lead(II) ions from a(aqueous solutions. The changes of the parameters ... -
Adsorption of nitrate ions onto sepiolite and surfactant-modified sepiolite
Özcan, Adnan; Şahin, M; Özcan, Asiye Safa (Multi Science Publ Co LTD, 2005)The adsorption of nitrate ions onto clay minerals has not been given much attention, possibly because clay surfaces are negatively charged. In order to increase the positive charge on the surface, sepiolite was modified ... -
Adsorption potential of lead(II) ions from aqueous solutions onto Capsicum annuum seeds
Özcan, Asiye Safa; Özcan, Adnan; Tunalı, Sibel; Akar, Tamer; Kıran, İsmail; Gedikbey, Tevfik (Taylor & Francis Inc, 2007)The purpose of this work was to evaluate the adsorption potential of Capsicum annumn seeds, in a batch system for the removal of lead(H) ions from aqueous solutions. The experimental results showed that this agricultural ... -
Biosorption kinetics and isotherm studies of Acid Red 57 by dried Cephalosporium aphidicola cells from aqueous solutions
Kıran, İsmail; Akar, Tamer; Özcan, Asiye Safa; Özcan, Adnan; Tunalı, Sibel (Elsevier Science Sa, 2006)Equilibrium, kinetics and thermodynamic studies on the removal of Acid Red 57 (AR57) by biosorption onto dried Cephalosporium aphidicola (C. aphidicola) cells have been investigated in a batch system with respect to pH, ... -
Biosorption of a reactive textile dye from aqueous solutions utilizing an agro-waste
Akar, Sibel Tunalı; Özcan, Asiye Safa; Akar, Tamer; Özcan, Adnan; Kaynak, Zerrin (Elsevier Science BV, 2009)In the present study a low-cost waste biomass derived from canned food plant, was tested for its ability to remove reactive textile dye from aqueous solutions. The batch biosorption experiments were carried out at various ... -
Biosorption of a textile dye (Acid Blue 40) by cone biomass of Thuja orientalis: Estimation of equilibrium, thermodynamic and kinetic parameters
Akar, Tamer; Özcan, Asiye Safa; Tunalı, Sibel; Özcan, Adnan (Elsevier Sci LTD, 2008)Biosorption of Acid Blue 40 (AB40) onto cone biomass of Thuja orientalis was studied with variation in the parameters of pH, contact time, biosorbent and dye concentration and temperature to estimate the equilibrium, ... -
Biosorption of lead(II) ions onto waste biomass of Phaseolus vulgaris L.: estimation of the equilibrium, kinetic and thermodynamic parameters
Özcan, Asiye Safa; Tunalı, Sibel; Akar, Tamer; Özcan, Adnan (Elsevier Science BV, 2009)Biosorption of lead(II) ions onto Phaseolus vulgaris L. waste was investigated with the variation in the parameters of pH, contact time, biosorbent and lead(II) concentrations and temperatures. The nature of the possible ... -
Biosorption potential of Neurospora crassa cells for decolorization of Acid Red 57 (AR57) dye
Akar, Tamer; Demir, Temir A.; Kıran, İsmail; Özcan, Adnan; Özcan, Asiye Safa; Tunalı, Sibel (John Wiley & Sons LTD, 2006)Biosorption of Acid Red 57 (AR57) on to Neurospora crassa was studied with variation of pH, contact time, biosorbent and dye concentrations and temperature to determine equilibrium and kinetic models. The AR57 biosorption ... -
Capacity of Activated Carbon Derived from Peach Stones by K2CO3 in the Removal of Acid, Reactive, and Direct Dyes from Aqueous Solution
Gerçel, Özgül; Özcan, Adnan; Özcan, Asiye Safa; Gerçel, Hasan Ferdi (Asce-Amer Soc Civil Engineers, 2009)The present research deals with the production of activated carbon by chemical activation using peach stones and its adsorption behavior. The prepared activated carbon was used for the adsorption of three kinds of textile ... -
Centaurea urvillei DC. subsp. urvillei flavonoidleri
Özcan, Adnan (Anadolu Üniversitesi, 1990)Bu çalışmada 1982'de Niğde, Çiftehan'dan toplanan Centaurea ur- villei D.C. subsp. urvillei (ISTE 50886) bitkisi flavonoid bileşikle- ri açısından incelenmiştir. Bitkinin kurutulan ve toz edilen topraküstü kısımları bir ...
