adsorption of cationic polyacrylamide onto sepiolite

Adsorption of cationic polyacrylamide onto sepiolite

The adsorption of cationic polyacrylamide (PAM) increases with pH from 5.50 to 11.00, temperature from 25 to 55 °C and ionic strength from 0 to 0.1 mol L −1. The sepiolite sample calcined at 200 °C has a higher adsorption capacity than the other calcined samples.

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adsorption of cationic polyacrylamide onto sepiolite

Adsorption of cationic polyacrylamide onto sepiolite

These include adsorption of thiram from aqueous solution on active carbon and sepiolite , the infrared study of the thermal treatment of sepiolite and palygorskite saturated with organic acids , the removal of reactive blue 221 and acid blue 62 onto sepiolite from aqueous solutions , the adsorption mechanism of cationic surfactants onto acid

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adsorption of cationic polyacrylamide onto sepiolite

Adsorption of cationic polyacrylamide onto sepiolite

Adsorption of cationic polyacrylamide onto sepiolite Article in Journal of Hazardous Materials 134(1-3):211-9 · July 2006 with 22 Reads How we measure 'reads'

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adsorption of cationic polyacrylamide (c-pam) on expanded

Adsorption of cationic polyacrylamide (C-PAM) on expanded

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 increased with increasing pH and temperature and with decreasing ionic strength.

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adsorption of nitrate ions onto sepiolite and surfactant

Adsorption of Nitrate Ions onto Sepiolite and Surfactant

Adsorption of Nitrate Ions onto Sepiolite and Surfactant-modified Sepiolite 327 are magnesium and silicon metal oxides, and they generate positive or negative charges, respec-tively, on the sepiolite surface. The extent of such charge generation is proportional to the pH of the aqueous solution surrounding the oxide particles.

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adsorption of cationic, anionic and hydrophobically

Adsorption of cationic, anionic and hydrophobically

The adsorption of modified polyacrylamides (PAM) at the silica surface has been studied by ellipsometry. To study the influence of the type of modification of the polyacrylamide on the adsorption behaviour, we have used cationic, anionic and hydrophobically modified polyacrylamides with varying charge density and degree of hydrophobisation.

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adsorption of cationic polyacrylamide onto kaolinite

Adsorption of cationic polyacrylamide onto kaolinite

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 have been investigated systematically as a function of some parameters such as calcination temperature of kaolinite, pH, ionic strength and temperature.

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adsorption of cationic polyacrylamide (c-pam) on expanded

Adsorption of cationic polyacrylamide (C-PAM) on expanded

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.

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synthesis of bentonite grafted by cationic polymer for the

Synthesis of bentonite grafted by cationic polymer for the

Synthesis of bentonite grafted by cationic polymer for the adsorption of Amido black 10B. Demirbas O, Alkan M (2006) Adsorption of cationic polyacrylamide onto sepiolite. J Hazard Mater 134:211. W., Pei, M. et al. Synthesis of bentonite grafted by cationic polymer for the adsorption of Amido black 10B. Colloid Polym Sci 294,

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enhanced and selective adsorption of mercury ions

Enhanced and Selective Adsorption of Mercury Ions

Enhanced and selective removal of mercury ions was achieved with chitosan beads grafted with polyacrylamide (chitosan-g-polyacrylamide) via surface-initiated atom transfer radical polymerization (ATRP). The chitosan-g-polyacrylamide beads were found to have significantly greater adsorption capacities and faster adsorption kinetics for mercury ions than the chitosan beads.

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effects of sepiolite on stabilization remediation of heavy

Effects of sepiolite on stabilization remediation of heavy

Tekin N, Dinçer A, Demirbaş Ö, Alkan M. Adsorption of cationic polyacrylamide onto sepiolite. Journal of Hazardous Materials, 2006, 134(1–3): 211–219 Article

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efficient removal of anionic and cationic dyes from an

Efficient Removal of Anionic and Cationic Dyes from an

A pullulan-graft-polyacrylamide porous hydrogel was prepared by radical polymerization in the presence of a crosslinking agent (N,N′-methylenebisacrylamide). Then, the swelling behavior of the hydrogel and the kinetics of swelling were investigated. The novel synthesized hydrogel was used as an adsorbent for removal of dyes from aqueous solutions.

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synthesis of kappa-carrageenan-g-poly - deepdyve

Synthesis of kappa-carrageenan-g-poly - DeepDyve

Abstract. Polym. Bull. (2013) 70:2451–2470 DOI 10.1007/s00289-013-0966-4 ORI G IN AL PA PER Synthesis of kappa-carrageenan-g-poly(acrylamide)/ sepiolite nanocomposite hydrogels and adsorption of cationic dye Gholam Reza Mahdavinia Adeleh Asgari Received: 25 January 2013 / Accepted: 22 April 2013 / Published online: 6 June 2013 Springer-Verlag Berlin Heidelberg 2013 Abstract In this study

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the kinetics and thermodynamics of sorption of chromium(vi

The Kinetics and Thermodynamics of Sorption of Chromium(VI

A novel adsorbent was prepared and its adsorption properties for Cr(VI) were studied. The iron(III) complex of a carboxylated polyacrylamide-grafted sawdust has been found to be an effective adsorbent for the removal of Cr(VI) from aqueous systems. Experiments were carried out as a function of concentration of Cr(VI), agitation period, agitation speed, pH, ionic strength, and temperature.

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physical adsorption isotherms extending from ultrahigh

Physical adsorption isotherms extending from ultrahigh

Kinetics, isotherm and thermodynamic studies of adsorption of Acid Blue 193 from aqueous solutions onto natural sepiolite. Colloids and Surfaces A: Physicochemical and Engineering Aspects 2006 , 277 (1-3) , 90-97.

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adsorptive features of polyacrylamide{aluminosilicate

Adsorptive features of polyacrylamide{aluminosilicate

BAYBAS˘ and ULUSOY/Turk J Chem Methylene blue (MB) (Figure 1), which is the subject of interest in this investigation, has long been used as a model for the adsorption of organic dye from aqueous solutions.5 It is a basic cationic dye classi ed under the ‘thiazin dyes’ (color index: CI 52015 or Basic blue 9).6 MB is also toxic such that it might cause permanent

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removal of methylene blue dye from aqueous solution using

Removal of methylene blue dye from aqueous solution using

The present work aims the elimination of an organic dye Methylene Blue (MB) by adsorption on the polyacrylamide (PAAM) hydrogel. Several experiments series were then carried out in order to study the influence on the adsorption capacity of certain parameters such as the mass of the adsorbent, the pH, the contact time, the initial dye concentration and the temperature.

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enhanced and selective adsorption of mercury ions

Enhanced and Selective Adsorption of Mercury Ions

Enhanced and selective removal of mercury ions was achieved with chitosan beads grafted with polyacrylamide (chitosan-g-polyacrylamide) via surface-initiated atom transfer radical polymerization (ATRP). The chitosan-g-polyacrylamide beads were found to have significantly greater adsorption capacities and faster adsorption kinetics for mercury ions than the chitosan beads.

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adsorptive removal of ciprofloxacin and isoniazid

Adsorptive removal of ciprofloxacin and isoniazid

The Tempkin model best describes the sorption of ciprofloxacin onto perlite with an R 2 = 0.997. The values of the Freundlich exponent, 1/n, range from 0.221 – 0.998, indicating a favourable adsorption of ciprofloxacin and isoniazid onto the adsorbents. The heat of sorption, B, calculated from the Temkin plots has values ranging from 0.018

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adsorption of proteins onto non-soluble polysaccharides

Adsorption of proteins onto non-soluble polysaccharides

Citation: Nadia Woitovich Valetti, M. Emilia Brassesc, Guillermo Alfredo Picó, ‘Adsorption of proteins onto non-soluble polysaccharides matrixes: a friendly strategy to isolate enzymes with potential application for downstream processes’, Materials Research Foundations, Vol. 15, pp 84-106, 2017

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native, acidic pre-treated and composite clay efficiency

Native, acidic pre-treated and composite clay efficiency

In view of the promising efficiencies of composites, it was hypothesized that MnFe 2 O 4 /clay composite might offer excellent methyl green adsorption. Therefore, native kaolinite (clay), HCl pre-treated kaolinite and MnFe 2 O 4 /kaolinite were used for the adsorption of methyl green from aqueous solution. The relevant isotherms, kinetic models and thermodynamic parameters were obtained in

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effect of different solvents and - madridge publishers

Effect of different solvents and - Madridge Publishers

Preparation of polyacrylamide hydrogel using different amount of sepiolite clay Acrylamide (300.0 mg) was dissolved in 2 mL deionized water. Predetermined amount of 0.1 (N) nitric acid treated sepiolite clay was added and mixed to get homogeneous solution. MBA (300 µL) and APS (100 µL) was added subsequently to the acrylamide solution.

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hai wu jia | scientific.net

Hai Wu Jia | Scientific.Net

Abstract: The effect of operating conditions, such as adsorption time, adsorbent dosage, influent pH and influent oil concentration, on the performance of organic modified sepiolite used for the treatment of steel rolling oily wastewater was investigated via single factor method, and the adsorption kinetics and thermodynamics were also studied with batch test.

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sepiolite, 63800-37-3

sepiolite, 63800-37-3

PubMed:Adsorption of cationic polyacrylamide onto sepiolite. PubMed:Interaction of pyridine derivatives with sepiolite. PubMed:IR spectroscopy of N-methylpyrrole adsorbed on oxides--a probe of surface acidity. PubMed:Removal of cyanobacterial blooms in Taihu Lake using local soils. I.

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the kinetics of sorption of basic dyes from aqueous

The kinetics of sorption of basic dyes from aqueous

Metin Açıkyıldız, Ahmet Gürses, Kübra Güneş and Duygu Yalvaç, A comparative examination of the adsorption mechanism of an anionic textile dye (RBY 3GL) onto the powdered activated carbon (PAC) using various the isotherm models and kinetics equations with linear and non-linear methods, Applied Surface Science, 354, (279), (2015).

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efficient removal of anionic and cationic dyes - deepdyve

Efficient Removal of Anionic and Cationic Dyes - DeepDyve

Scheme 2 Schematic illustration of the adsorption of MB and RB onto the pullulan-graft-polyacrylamide porous hydrogels and digital photographs of the hydrogels after dyes adsorption 2177, Page 6 of 14 Water Air Soil Pollut (2014) 225:2177 3.2 Dye Adsorption by the Hydrogel adsorption, which is extensively discussed in Sect. 3.2.5.

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adsorption capacity of methylene blue, an organic

Adsorption capacity of methylene blue, an organic

Yi Ju-Zhen, Zhang Li-Ming, Removal of methylene blue dye from aqueous solution by adsorption onto sodium humate/polyacrylamide/clay hybrid hydrogels, 10.1016/j.biortech.2007.05.028 Hajjaji M., Alami A., Influence of operating conditions on methylene blue uptake by a smectite rich clay fraction , 10.1016/j.clay.2008.12.011

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hierarchical porous chitosan sponges as robust

Hierarchical Porous Chitosan Sponges as Robust

The hierarchical porous morphology of chitosan foams is examined and identified by the SEM images. For the foams with the high concentrations of chitosan solutions (Ch-40 and Ch-20), the chitosan

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nanotube networks in polymer nanocomposites: rheology

Nanotube Networks in Polymer Nanocomposites: Rheology

Single-walled carbon nanotube (SWNT)/poly(methyl methacrylate) (PMMA) nanocomposites were prepared via our coagulation method providing uniform dispersion of the nanotubes in the polymer matrix. Optical microscopy, Raman imaging, and SEM were employed to determine the dispersion of nanotube at different length scales. The linear viscoelastic behavior and electrical conductivity of these

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polymers | free full-text | synthesis and characterization

Polymers | Free Full-Text | Synthesis and Characterization

Atrazine (ATZ) is an herbicide which is applied to the soil, and its mechanism of action involves the inhibition of photosynthesis. One of its main functions is to control the appearance of weeds in crops, primarily in corn, sorghum, sugar cane, and wheat; however, it is very toxic for numerous species, including humans. Therefore, this work deals with the adsorption of ATZ from aqueous

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hai wu jia | scientific.net

Hai Wu Jia | Scientific.Net

Abstract: The effect of operating conditions, such as adsorption time, adsorbent dosage, influent pH and influent oil concentration, on the performance of organic modified sepiolite used for the treatment of steel rolling oily wastewater was investigated via single factor method, and the adsorption kinetics and thermodynamics were also studied with batch test.

Get Price