Konu "Bentonite" için Makale Koleksiyonu listeleme
Toplam kayıt 18, listelenen: 1-18
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Adsorption kinetics and isotherm parameters of naphthalene onto natural- and chemically modified bentonite from aqueous solutions
(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 Acid Blue 193 from aqueous solutions onto BTMA-bentonite
(Elsevier Science BV, 2005)The adsorption of Acid Blue 193 (AB193) onto benzyltrimethylammonium (BTMA)-bentonite was investigated in aqueous solution in a batch system with respect to contact time, pH and temperature. The surface modification of ... -
Adsorption of Acid Blue 193 from aqueous solutions onto Na-bentonite and DTMA-bentonite
(Academic Press Inc Elsevier Science, 2004)Dodecyltrimethylammonium bromide-modified bentonite (DTMA-bentonite) was prepared and tested as an adsorbent for an acid dye (Acid Blue 193, AB 193) removal from aqueous solution in comparison with Na-bentonite. The effect ... -
Adsorption of lead(II) ions onto 8-hydroxy quinoline-immobilized bentonite
(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 studies of hydrogen and ethylene on cation-exchanged bentonite
(Mineralogical Soc, 2017)The adsorption of C2H4 and H-2 gases by bentonite from the Unye region, Turkey both as raw (B) and as K+-, Li+-, Ag+- and Mg2+- exchanged forms, was investigated using automated volumetric equipment and pressures up to 100 ... -
Characterization of natural- and organo-bentonite by XRD, SEM, FT-IR and thermal analysis techniques and its adsorption behaviour in aqueous solutions
(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 hydrochloric acid treatment on structure characteristics and C2H4 adsorption capacities of nye bentonite from Turkey: a combined FT-IR, XRD, XRF, TG/DTA and MAS NMR study
(Springer, 2016)In this study, a bentonite sample from nye, Turkey was treated with various HCl solutions (0.1, 1.0 and 5.0 M) at 90 A degrees C during 3 and 6 h. X-ray diffraction (XRD), X-ray fluorescence (XRF), differential thermal ... -
Evaluation on dye removal capability of didodecyldimethylammonium-bentonite from aqueous solutions
(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 ... -
Fourier Transform Infrared, Solid-State Nuclear Magnetic Resonance, and X-Ray Diffraction Studies of Natural and Acid-Treated Bentonites from Turkey
(Taylor & Francis Inc, 2013)The Fourier transform infrared (FT-IR) technique is widely used to distinguish structural properties and to derive information about structural changes following the chemical modification of clays in different conditions. ... -
Hydrogen adsorption on natural and sulphuric acid treated sepiolite and bentonite
(Pergamon-Elsevier Science LTD, 2018)In this study, hydrogen (H-2) adsorption on sepiolite and bentonite and those of acid treated forms were studied at 77 K using volumetric apparatus up to 100 kPa. Both clay minerals were treated with 100 ml of 0.5, 1.0, ... -
Immobilization of 2,2 '-dipyridyl onto bentonite and its adsorption behavior of copper(II) ions
(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 ... -
The investigation of the effect of thermal treatment on bentonites from Turkey with Fourier transform infrared and solid state nuclear magnetic resonance spectroscopic methods
(Pergamon-Elsevier Science LTD, 2012)There is a great deal of interest in the building industry in burned clays for production of building materials. Therefore, the effect of heat treatment on natural bentonite from Turkey was investigated by Fourier transform ... -
Modification of bentonite with a cationic surfactant: An adsorption study of textile dye Reactive Blue 19
(Elsevier Science BV, 2007)The utilization of modified bentonite with a cationic surfactant (dodecyltrimethylammonium (DTMA) bromide) as an adsorbent was successfully carried out to remove a synthetic textile dye (Reactive Blue 19 (RB 19)) by ... -
Prediction of the kinetics, equilibrium and thermodynamic parameters of adsorption of copper(II) ions onto 8-hydroxy quinoline immobilized bentonite
(Elsevier Science BV, 2008)In this study, the chelating agent of 8-hydroxy quinoline (HQ) was firstly used for the immobilization of bentonite and then it was used for the adsorption of copper(II) ions from aqueous solutions. The parameters of pH, ... -
SO2 adsorption on acid-treated bentonites from Turkey
(Mineralogical Soc, 2011)The adsorption of sulphur dioxide (SO2) on two bentonites from Unye, Turkey (Kavaktepe and Yemislitepe deposits - denoted below as BK and BY) and on forms treated with 1 and 2 M HCl solutions was investigated. The bentonite ... -
Spectroscopic and thermal studies of bentonites from Unye, Turkey
(Elsevier Science BV, 2010)Three bentonites from Turkey were investigated by X-ray diffraction (XRD), X-ray fluorescence (XRF), differential thermal analysis (DTA), thermogravimetric analysis (TG), Fourier transform infrared (FT-IR), magic angle ... -
Thermal behavior and immersion heats of selected clays from Turkey
(Springer, 2009)Four clays (two bentonites and two kaolinites) from Turkey were investigated by X-ray diffraction (XRD), thermal analysis (DTA/TG-DSC) and surface area measurement techniques. Mineralogically bentonite samples were ... -
Thermal, structural and ethylene adsorption properties of Ag-, Cu- and Fe-modified bentonite from Turkey
(Springer, 2016)Thermal and structural properties of bentonite from Unye (Turkey) and that of Ag-, Cu-and Fe-modified forms were investigated by differential thermal analysis, thermogravimetric analysis, X-ray diffraction and surface area ...