adsorption kinetics of cationic polyacrylamides on cellulose

These authors described the adsorption of cationic polyacrylamide onto cellulose as a three stage process: (i) Transport of polymer from the bulk of the solution to the solution fiber interface. (ii) Material transport across the interface.

Adsorption kinetics of cationic polyacrylamides on cellulose fibres and its influence on fibre flocculation

The adsorption of cationic polyacrylamide (C-PAM) and silicananoparticles onto a model surface of silicon oxide wascompared with the adsorption of C-PAM to fibres and theirinfluence on flocculation of a fibre suspension. An increase inionic

Rates of adsorption of cationic polyacrylamides on cellulose fibers have been measured. The effects of molecular weight, degree of substitution, and temperature are illustrated. An increase in molecular weight and degree of substitution

Adsorption of cationic polyacrylamides on cellulose

Rates of adsorption of cationic polyacrylamides on cellulose fibers have been measured. The effects of molecular weight, degree of substitution, and temperature are illustrated. An increase in molecular weight and degree of substitution

Adsorption Kinetics of Cationic Polyelectrolytes Studied with Stagnation Point Adsorption Reflectometry and Quartz Crystal Microgravimetry | Langmuir

Five different polyelectrolytes—cationic polyacrylamides of four charge densities and one cationic dextran—were examined. The adsorption kinetics was characterized using each technique, and the adsorption kinetics observed was in line with the

(PDF) Adsorption of cationic polyacrylamides onto monodisperse polystyrene latices and cellulose fiber: Effect of molecular weight and charge

Adsorption of cationic polyacrylamides onto monodisperse polystyrene latices and cellulose fiber: Effect of molecular weight and charge density of cationic polyacrylamides

Adsorption kinetics of cationic polyacrylamides on cellulose fibres and its influence on fibre flocculation - CORE

Adsorption kinetics of cationic polyacrylamides on cellulose fibres and its influence on fibre flocculationWith the silica surface,an increase in the ionic strength leads to a continuousincrease in the adsorption. However, on a cellulose

Adsorption and flocculation of cationic polyacrylamide and colloidal silica - Kinetic aspects | Request PDF

Adsorption and flocculation of cationic polyacrylamide and colloidal silica - Kinetic aspects

Adsorption isotherms and kinetics for the removal of cationic dye by Cellulose-based adsorbent biocomposite films | Request PDF

Adsorption isotherms and kinetics for the removal of cationic dye by Cellulose-based adsorbent biocomposite films October 2020 Korean Journal of Chemical Engineering 37(11)

Adsorption of cationic polyacrylamides onto monodisperse polystyrene latices and cellulose fiber: Effect of molecular weight and charge density of

Adsorption of cationic polyacrylamides onto monodisperse polystyrene latices and cellulose fiber: Effect of molecular weight and charge density of cationic polyacrylamides Tanaka, Hiroo Ödberg, Lars

The kinetics results of adsorption for all biocomposite films were well described using a pseudo-second-order kinetic model. The cellulose/activated carbon films would be promisingly utilized as a biosorbent for treatment of dye-contaminated

Kinetics of Polyelectrolyte Adsorption on Cellulosic Fibers | Request PDF

The adsorption of cationic polyelectrolytes onto cellulose fibres and their flocculation to increase process efficiency and paper quality are well understood [21][22][23] [24] [25][26].

Adsorption isotherms and kinetics for the removal of cationic dye by Cellulose-based adsorbent biocomposite films

Adsorption isotherms and kinetics for the removal of cationic dye by Cellulose-based adsorbent biocomposite films 3Korean J. Chem. Eng. adsorbents. The values of 1/k L Q max and 1/Q max can be calculated from the intercept and slope of linear

Kinetics of Adsorption of Anionic, Cationic, and Nonionic Surfactants | Industrial & Engineering Chemistry Research

Abstract. The kinetics of adsorption of anionic, nonionic, and cationic surfactants on a cellulose−water interface were investigated. The effects of monovalent, divalent, and a mixture of mono- and divalent salts on the adsorption kinetics of

At a low 1:5 mg/mL aerogel/MG ratio, both initial MG adsorption rate (2.3–59.8 mg g −1 min −1) and equilibrium adsorption capacity (53.0–203.7 mg g −1) increased with increasing initial MG concentrations from 10 to 200 mg/L, reaching a maximum

Lignin adsorption on cellulose fibre surfaces: Effect on surface chemistry, surface morphology and paper strength | SpringerLink

The adsorption of lignin on cellulose fibres at neutral pH and the effects of calcium ions and a cationic polyelectrolyte (PDADMAC) on the adsorption have been studied. The surface coverage by lignin was determined by electron spectroscopy for

Adsorption and flocculation of cationic polyacrylamide and colloidal silica - Kinetic aspects | Request PDF

Adsorption and flocculation of cationic polyacrylamide and colloidal silica - Kinetic aspects

Adsorption isotherms and kinetics for the removal of cationic dye by Cellulose-based adsorbent biocomposite films

Adsorption isotherms and kinetics for the removal of cationic dye by Cellulose-based adsorbent biocomposite films 3Korean J. Chem. Eng. adsorbents. The values of 1/k L Q max and 1/Q max can be calculated from the intercept and slope of linear

Hydrolysis of cationic polyacrylamides - Aksberg - 1989 - Journal of Applied Polymer Science - Wiley Online Library

Alison M. McCarron, Sabrina Crispo, Truis Smith‐Palmer, The flocculation of kaolin by cationic polyacrylamides and the effect of cationic surfactant on this process, Journal of Applied Polymer Science, 10.1002/app.10220, 83, 11, (2382-2389),

Enzymatic activation of dissolving pulp with cationic polyacrylamide to enhance cellulase adsorption | Semantic Scholar

In the present study, the concept of using cationic polyacrylamide (CPAM) to enhance the cellulase treatment efficiency was demonstrated. The hypothesis was that the CPAM would attribute to the increased cellulase adsorption onto cellulose

(PDF) Polyelectrolyte adsorption onto cellulose fibres - A review

Adsorption of cationic polyacrylamides, with different degrees of substitution, on bleached softwood pulp as a function of salt, NaCl, concentration. The adsorption is shown in % of polymer on the...

Adsorption of cationic and anionic dyes on montmorillonite in single and mixed wastewater | SpringerLink

Montmorillonite was employed as adsorbent to remove cationic and anionic dyes respectively and simultaneously. When the dye present singly, it only had a good effect to cationic dye removal. The experimental data well fitted to

Isolation and Characterization of Cellulosic Pulp Fines and Their Interactions with Cationic Polyacrylamides | Request PDF

The adsorption of three high molar mass cationic polyacrylamides on thermo mechanical pulp was studied. Three polyelectrolytes of different charge densities and three different pulp fractions were

Adsorption and viscoelastic properties of cationic xylan on cellulose film using QCM-D | Request PDF

The adsorption and viscoelastic properties of cationic xylan layers adsorbed from an aqueous electrolyte solution (NaCl 0, 1, 10, 100 mM) on a cellulose model surface were

Properties of Cationic Polyelectrolyte Layers Adsorbed on Silica and Cellulose Surfaces Studied by QCM-D—Effect of Polyelectrolyte Charge

The adsorption of cationic polyelectrolytes (C-PAMs and PDACMAC) with different charge densities and molecular weights on silica and cellulose model surfaces was examined using a quartz crystal microbalance with dissipation, QCM-D.

Kinetic and Thermodynamic Studies on the Adsorption of Anionic Surfactant on Quaternary Ammonium Cationic Cellulose

adsorption onto quaternary ammonium cationic cellulose (QACC) was investigated. The effects of solution acidity, initial concentration, adsorption time, and temperature on the adsorption of sodium dodecyl benzene sulfonate (SDBS), sodium lauryl