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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 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 ... -
Characterization of natural- and organo-bentonite by XRD, SEM, FT-IR and thermal analysis techniques and its adsorption behaviour in aqueous solutions
Ikhtiyarova, G. A.; Özcan, Asiye Safa; Gök, Özer; Özcan, Adnan (Mineralogical Soc, 2012)In this study, natural bentonite was modified with hexadecyltrimethylammonium (HDTMA) bromide to obtain organobentonite (HDTMA-bentonite). Bentonite and HDTMA-bentonite were then characterized using XRD, XRF, SEM, FT-IR, ... -
Effects of different parameters on the synthesis of silica aerogel microspheres in supercritical CO2 and their potential use as an adsorbent
Başaran, Ersin; Arıcı, Tuğba Alp; Özcan, Adnan; Gök, Özer; Özcan, Asiye Safa (Springer, 2019)Synthesis of metal oxide microspheres in supercritical carbon dioxide (SCO2) is very attractive for a wide range of applications such as catalysis, controlled release, and separation science due to their identical properties. ... -
Evaluation of Silver Content and Antibacterial Activities of Silver Loaded Fiber/Cotton Blended Textile Fabrics
Üreyen, Mustafa Erdem; Gök, Özer; Ateş, Mustafa; Günkaya, Göktuğ; Suzer, Şefik (Ege Universityersitesi, 2010)The aims of this work were to analyze the antibacterial activity and laundering durability of the silver loaded cellulosic fiber/cotton blended antibacterial textile fabrics, to quantify the silver content present in ... -
Evaluation on dye removal capability of didodecyldimethylammonium-bentonite from aqueous solutions
Öncü-Kaya, Elif Mine; Side, Nilgün; Gök, Özer; Özcan, Asiye Safa; Özcan, Adnan (Taylor & Francis Inc, 2017)The removal efficiency of Reactive Blue 19 (RB19) by using surfactant-modified bentonite (MB) from aqueous solutions, and also textile wastewater samples was examined. Natural bentonite (NB) was firstly modified with ... -
Immobilization of 2,2 '-dipyridyl onto bentonite and its adsorption behavior of copper(II) ions
Erdem, Bilge; Özcan, Adnan; Gök, Özer; Özcan, Asiye Safa (Elsevier Science BV, 2009)In this study, the immobilization of 2,2'-dipyridyl onto bentonite was firstly carried out and it was then used for the adsorption of copper(II) ions from aqueous solutions. The variation of the parameters of pH, contact ... -
Structural characterization of dodecyltrimethylammonium (DTMA) bromide modified sepiolite and its adsorption isotherm studies
Özcan, Asiye Safa; Gök, Özer (Elsevier Science BV, 2012)In this study, dodecyltrimethylammonium (DTMA) bromide was used to modify natural sepiolite via an ion exchange reaction to form DTMA-sepiolite. Sepiolite and DTMA-sepiolite were then characterized by using Brunauer-Emmett-Teller ...