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adsorption kinetic and thermodynamic studies for manganese extraction from aqueous medium using mesoporous silica journal of col

  • Access in mesoporous materials: Advantages of a

    ... Zinc-Manganese Oxide ... Adsorption, kinetic and thermodynamic studies for manganese extraction from aqueous medium using mesoporous silica, Journal of ...

    • Published in: Advanced Materials · 1997Authors: Louis Mercier · Thomas J PinnavaiaAffiliation: Michigan State UniversityAbout: Adsorption · Environmental protection · Metal ions in aqueous solution
    • Adsorption and Reduction of Chromium (VI) from Aqueous ...

      Adsorption of chromium ions from aqueous ... (2 cm à 2 cm) strips using a paper ... which provides a stronger thermodynamic driving force to overcome ...

    • Silicon dioxide SiO2 PubChem

      Silicon dioxide SiO2 or (SiO2)n ... Celite 512 medium; Silica, fumed, powder; Silicon dioxide ... precipitation of amorphous silicon dioxide particles from aqueous ...

    • Adsorption of divalent metal ions from aqueous

      Adsorption isotherms and kinetic studies suggest that sorption ... metal ions from aqueous solutions using graphene ... ions removal from aqueous medium ...

      • Published in: Dalton Transactions · 2013Authors: Rafal Sitko · Edyta Turek · Beata Zawisza · E Malicka · E Talik · J HeiAffiliation: University of Silesia in Katowice · Polish Academy of Sciences
      • The synthesis of micrometer and submicrometersize ...

        Foad Raji and Majid Pakizeh, Kinetic and thermodynamic studies of Hg(II) adsorption onto MCM-41 modified by ZnCl2, Applied Surface Science, 301, (568), (2014).

        • Published in: Advanced Materials · 1997Authors: Michael Grun · Iris Lauer · K K UngerAffiliation: University of MainzAbout: X-ray crystallography · Molecular sieve · Scanning electron microscope
        • Adsorption and Reduction of Chromium(VI) From Aqueous ...

          (4) can be linearized by inversion to obtain the following form: Ce C 1 = + e qe K q m q m Freundlich Isotherm (5) The Freundlich isotherm model can be applied to nonideal adsorption on heterogeneous surfaces as well as multilayer sorption.Adsorption and Reduction of Chromium(VI) The Open Environmental Pollution & Toxicology Journal.

        • Kinetic and thermodynamic studies on the adsorption

          Studies had been conducted employing squid melanin for the adsorption of Pb(II) and cadmium (Cd(II)) (Chen et al., 2010) and the melanin pigment synthesized using tyrosinase enzyme exhibited efficient removal of uranium from aqueous solution (Saini and Melo, 2013).

        • Kinetic, Isotherm, and Thermodynamic Studies of the ...

          Kinetic, Isotherm, and Thermodynamic Studies of the Adsorption of Methyl Orange from Aqueous Solution by Chitosan/Alumina Composite. ... Thermodynamic Studies

          • Published in: Journal of Chemical & Engineering Data · 2012Authors: Jixiang Zhang · Qiuxiang Zhou · Lailiang OuAffiliation: Langfang Teachers College · Nankai University
          • Adsorption kinetics, isotherm, and thermodynamics studies ...

            Adsorption kinetics. Kinetic sorption studies were performed using 20 mL B. serrata extract of selected 1 and 1.6 mg/mL initial concentrations of AKBA with 0.250 g of Indion 830 resins in 50 mL glass rectors.

          • Ferdowsi University of Mashhad: Third University in Iran

            Faculty of Sciences, Ferdowsi University of Mashhad, Mashhad. Basiri, A. (2017). Theoretical investigation of the voltage-current in beta-diketones with CH3 and CF3 subgroups in beta position as the molecular switches. , (Master's thesis of Chemistry).

          • Kinetic, Isotherm and Thermodynamic Analysis on Adsorption ...

            Adsorption of chromium(VI) from aqueous solutions using cross-linked magnetic chitosan beads. Industrial and Engineering Chemistry Research. 2009; 48:26462651. doi: 10.1021/ie800814h. Jain M, Garg VK, Kadirvelu K. Adsorption of hexavalent chromium from aqueous medium onto carbonaceous adsorbents prepared from waste biomass.

            • Published in: Water Air and Soil Pollution · 2012Authors: Ali Kara · Emel DemirbelAffiliation: Uludag UniversityAbout: Bioinformatics · Sorption isotherm
            • Journal of Environmental Science and Health, Part A

              (2017) The Adsorption of Pb, Zn, Cu, Ni, and Cd by Modified Ligand in a Single Component Aqueous Solution: Equilibrium, Kinetic, Thermodynamic, and Desorption Studies. International Journal of Analytical Chemistry 2017, pages 1-15.

            • Kinetic, Isotherm and Thermodynamic Analysis on Adsorption ...

              Read "Kinetic, Isotherm and Thermodynamic Analysis on Adsorption of Cr(VI) Ions from Aqueous Solutions by Synthesis and Characterization of Magnetic-Poly(divinylbenzene-vinylimidazole) Microbeads, Water, Air, Soil Pollution" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available

            • Preparation of Pyridinium-Functionalized Magnetic ...

              This study indicated that this novel pyridinium-functionalized mesoporous material had excellent adsorption capacity. Meanwhile, compared with other adsorbents, it could remove nitrate fast and easy to be collected by magnetic separation, showing great potential application for nitrate removal from aqueous solution.

            • The Exchange Adsorption of Ions from Aqueous

              The Exchange Adsorption of Ions from Aqueous Solutions by ... Kinetic, Thermodynamic, and Mechanism Studies ... in Tartrate Medium. The Separation of Manganese

            • Activated carbons for the removal of heavy metal ions: A ...

              A study on adsorption of metals by activated carbon in a large-scale (municipal) process of surface water purification, Cent. Eur. J. Chem., 2013, 11, 742-753. Google Scholar Deliyanni E., Arabatzidou A., Tzoupanos N.,Matis K., Adsorption of Pb2+ using mesoporous activated carbon and its effects on surface modifications, Adsorpt. Sci.

            • An Efficient Removal of Disperse Dye from Wastewater Using ...

              Batch adsorption study was conducted to optimize physical parameters such as pH, adsorbent dosage, dye concentration, agitation speed, and contact time at 25, 35, and 45°C for the removal of Disperse Orange 25 (DO) and Disperse Blue 79 1 (DB) dyes from wastewater.

            • Kinetic and Thermodynamic Studies on the Phosphate ...

              Several kinetic models including intraparticle diffusion model, pseudo-first-order model, Elovich model, and pseudo-second-order model were employed to evaluate the

            • Publications Page 9 sur 1618 SETARAM Instrumentation

              ... Removal of some heavy metal ions from aqueous solution by adsorption using ... A kinetic study ... Mixed copper and iron modified MCM-41 mesoporous silica ...

            • [email protected]

              ... nanostructures within mesoporous silica. Journal of ... kinetic and thermodynamic studies. Journal of Sol-Gel ... from aqueous solutions using tri-n ...

            • Kinetics, mechanism, isotherm and thermodynamic studies

              Kinetics, mechanism, isotherm and thermodynamic studies of liquid phase adsorption of Pb2+ onto wood activated carbon supported zerovalent iron

            • Kinetic and isotherm studies for adsorption of Pb(II)

              Kinetic and isotherm studies for adsorption of ... from aqueous solution onto coconut shell activated ... of Pb 2+ and Hg 2+ metal ions from aqueous medium using Ti ...

            • Journal of Radioanalytical and Nuclear Chemistry

              The adsorption kinetic data could be interpreted by pseudo-second-order kinetic model. The equilibrium data were correlated with the Langmuir, Freundlich and Temkin models, and the maximum monolayer adsorption capacity obtained from the Langmuir model was 133.3 mg Th(IV)/g at 25 °C.

            • On the Structure of a Catalyst Surface: The Journal of ...

              ... of the sites of a catalyst surface when the adsorption ... thermodynamic studies. Journal of ... Using Surfactants in an Aqueous Medium ...

            • Journal of Chemistry An Open Access Journal hindawi.com

              The journal is naturally broad in scope, welcomes submissions from across a range of disciplines, and reports both theoretical and experimental studies. Journal of Chemistry is a peer-reviewed, Open Access journal that publishes original research articles as well as review articles on all aspects of fundamental and applied chemistry.

            • Adsorptive amputation of hazardous azo dye Congo

              Adsorptive amputation of hazardous azo dye ... Adsorption and kinetic studies of ... Removal of Congo red from aqueous synthetic solutions using silica gel ...

            • International Journal of Chemistry ISSN: 1916-9698

              International Journal of Chemistry ... Kinetics and Thermodynamic Studies on the Adsorption of Co2+ onto Chitosan ... from Aqueous Solution: Thermodynamic and Kinetic ...

            • Enhanced Removal of Arsenic Species from Water by ...

              ... second-order kinetic model. The adsorption thermodynamic parameters ... mesoporous silica , using ... ies for manganese extraction from aqueous medium using ...

            • Kinetic, Isotherm and Thermodynamic Analysis on Adsorption ...

              Read "Kinetic, Isotherm and Thermodynamic Analysis on Adsorption of Cr(VI) Ions from Aqueous Solutions by Synthesis and Characterization of Magnetic-Poly ...

            • Molecules Free Full-Text Adsorption Characteristics of ...

              Furthermore, adsorption thermodynamic parameters, namely the standard enthalpy, entropy, and Gibbs free energy, were calculated. The results indicate that cesium adsorption by zirconia is an endothermic (ΔH > 0) process and good affinity of cesium ions towards the sorbent (ΔS > 0) was observed.

              • Published in: Molecules · 2014Authors: Sobhy M Yakout · Hisham S HassanAffiliation: King Saud UniversityAbout: Sol-gel · Caesium · Thermodynamics · Kinetics · Cubic zirconia
              • Adsorption Isotherms Research Papers Academia.edu

                Adsorption data obtained from the equilibrium studies suggests that the activated carbon produced fits better into the Freundlich Isotherm (R2 > 90) and that the adsorption of Cu and Fe ions are best described by the pseudo-second order kinetic model (R2>94), which indicate that the adsorption mechanism is chemisorption and adsorption of the Zinc

              • Behaviour of Silica and Florisil as Solid Supports in the ...

                Behaviour of silica and florisil as solid supports in ... adsorption process, kinetic studies for the ... aqueous solutions by adsorption. Journal of ...

                • Published in: Journal of Automated Methods & Management in Chemistry · 2015Authors: Andreea Gabor · Corneliu Mircea Davidescu · Adina Negrea · Mihaela Affiliation: Romanian AcademyAbout: Bioinformatics · Text mining
                • Preparation of Pyridinium-Functionalized Magnetic ...

                  This study indicated that this novel pyridinium-functionalized mesoporous material had excellent adsorption capacity. Meanwhile, compared with other adsorbents, it could remove nitrate fast and easy to be collected by magnetic separation, showing great potential application for nitrate removal from aqueous solution.

                • Behaviour of Silica and Florisil as Solid Supports in the ...

                  In this study two solid supports, silica and florisil, were impregnated with crown ether (dibenzo-18-crown-6) and Fe(III) ions and their efficiency was compared in the adsorption process of As(V) from aqueous solutions. The solid supports were impregnated with crown ether due to their ability to build complexes with positives ions.

                • A review on the adsorption of heavy metals by clay ...

                  Kinetic and thermodynamic studies of ... Removal of copper ions from aqueous solution by adsorption using ... montmorillonite and illite from aqueous medium. ...

                • Synthesis, characterization, and adsorption properties of ...

                  The thermodynamic parameters of Gibbs free energy, enthalpy, and entropy for the adsorption of Ce(III) can be obtained using the following equation: 48 (13) (14) where R is the universal gas constant and T (K) is the temperature.

                • Publications.... Welcome to the homepage of Dr.

                  A comparative study on adsorption and photocatalytic dye degradation under visible light irradiation by mesoporous MnO2 modified MCM-41 nanocomposite. Binita Nanda, Amaresh Chandra Pradhan, K.M.Parida*, Microporous & Mesoporous Materials, 226 (

                • Nanoporous manganese oxides as environmental

                  ... ions based on mesoporous manganese oxides were ... studied using batch kinetic measurements ... ions from aqueous solutions by manganese ...

                • Behaviour of Silica and Florisil as Solid Supports in the ...

                  Behaviour of Silica and Florisil as Solid Supports in ... liquid ratio on the adsorption process, kinetic studies for the ... aqueous solution, Journal of ...

                • Chemical Science Transactions Most Cited Articles CST ...

                  A New Approach for Extraction and Determination of Manganese in ... Medium: Adsorption and Thermodynamic Study ... 2 O 2 Aqueous Solution: Kinetic Studies ...

                • Highly efficient removal of uranium(VI) from wastewater

                  2.4.4 Adsorption kinetic and isotherms studies of PAA. Isotherms studies were performed by soaking 0.01 g PAA in a series of conical flasks containing 10 mL of U(VI) ions solution at different initial concentration (20, 50, 100, 200,

                • Chemical Engineering Journal (v.225, #C)

                  Pseudo-second-order model fitted well with the adsorption kinetic studies. The adsorption processes were described by Langmuir model with maximum adsorption capacity of 60.03 mg g 1 and 80.27 mg g 1 for Ca-Mt and Ethyl-Mt, respectively. Also, the thermodynamic studies showed that the adsorption of Cs + was spontaneous and

                • Adsorption, kinetic and thermodynamic studies for ...

                  Extracting of Mn(II) from aqueous medium. Adsorption, kinetic and thermodynamic for the Mn(II) onto mesoporous silica. Effect of pH on Mn(II) adsorption from aqueous medium. Adsorption of Mn(II) onto adsorbent was spontaneous and endothermic.

                • Chemical Science Transactions Table of Contents Early ...

                  Nano TiO 2 Assisted Degradation of Textile Dyes in H 2 O 2 Aqueous Solution: Kinetic Studies ... SO 4 Medium: Adsorption and Thermodynamic Study ... Using Different ...

                • Aminopropyl-grafted various silica mesostructures for ...

                  Adsorption isotherms and mechanism of Mo(VI) adsorption on these materials were studied. The adsorbed complexes of Mo(VI) could be formed by ion exchange process or/and by chelation reaction. This study shows a new approach for fractional recovery and separation of Mo(VI) from Re(VII) by using amino-modified SBA-15-type mesoporous

                • Behaviour of Silica and Florisil as Solid Supports in the ...

                  3.2.2. Kinetic Studies . For the kinetic studies, the influences of the contact time on the adsorption capacity of the impregnated silica and florisil were studied (Figure 5). The data showed that the adsorption capacity for both materials increases with increase of time till they reach the equilibrium at 180 minutes.

                  • Published in: Journal of Automated Methods & Management in Chemistry · 2015Authors: Andreea Gabor · Corneliu Mircea Davidescu · Adina Negrea · Mihaela Affiliation: Romanian AcademyAbout: Bioinformatics · Text mining
                  • Pore and solid diffusion models for fixedbed adsorbers ...

                    Saif Ali Chaudhry, Tabrez Alam Khan and Imran Ali, Equilibrium, kinetic and thermodynamic studies of Cr(VI) adsorption from aqueous solution onto manganese oxide coated sand grain (MOCSG), Journal of Molecular Liquids, 236, (320), (2017).

                  • Synthesis of Amino Magnetic Titano-Silicate and Its Role ...

                    The adsorption properties Including maximum adsorption capacity, kinetics, and thermodynamics controlling the adsorption process were well-examined using batch method. The adsorption of uranium ions onto AMTS and IMTS is pH dependent with maximum adsorption at pH 5 and reaching the equilibrium after 45 minutes.

                  • Kinetic, Isotherm and Thermodynamic Analysis on Adsorption ...

                    Adsorption of chromium(VI) from aqueous solutions using cross-linked magnetic chitosan beads. Industrial and Engineering Chemistry Research. 2009; 48:26462651. doi: 10.1021/ie800814h. Jain M, Garg VK, Kadirvelu K. Adsorption of hexavalent chromium from aqueous medium onto carbonaceous adsorbents prepared from waste biomass.

                    • Published in: Water Air and Soil Pollution · 2012Authors: Ali Kara · Emel DemirbelAffiliation: Uludag UniversityAbout: Bioinformatics · Sorption isotherm
                    • Chemical Science Transactions Most Cited Articles CST ...

                      A New Approach for Extraction and Determination of Manganese in ... Medium: Adsorption and Thermodynamic Study ... 2 O 2 Aqueous Solution: Kinetic Studies ...

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