• flocculation of kaolin particles with cationic lignin polymers

    Flocculation of kaolin particles with cationic lignin polymers

    The flocculation performance of the polymer was evaluated in a 0.25 wt.% kaolin suspension using a particle dispersion analyzer and the results demonstrated the superiority of the lignin-graft

  • flocculation of kaolin particles with cationic lignin

    Flocculation of kaolin particles with cationic lignin

    2019-02-25· As observed, the flocculation of kaolin particles by KLD increased the average size of flocs. The particle size of kaolin was 4.7 µm without using polymers. The floc

  • flocculation of kaolin particles with cationic lignin

    Flocculation of kaolin particles with cationic lignin

    2019-02-25· Flocculation of kaolin particles with cationic lignin polymers. Hasan A(1), Fatehi P(2)(3). Author information: (1)Green Processes Research Centre and Chemical Engineering Department, Lakehead University, 955 Oliver Road, Thunder Bay, ON, P7B5E1, Canada.

  • altmetric flocculation of kaolin particles with cationic

    Altmetric Flocculation of kaolin particles with cationic

    Flocculation of kaolin particles with cationic lignin polymers. Overview of attention for article published in Scientific Reports, February 2019. Altmetric Badge. About this Attention Score Average Attention Score compared to outputs of the same age. Mentioned by twitter 2 tweeters. Citations dimensions_citation 3 Dimensions. Readers on mendeley 9 Mendeley. What is this page? Summary

  • flocculation of kaolin and lignin by bovine blood

    Flocculation of kaolin and lignin by bovine blood

    Flocculation of kaolin and lignin by bovine blood and hemoglobin Article in Journal of Chemical Technology & Biotechnology 90(8) · July 2014 with 78 Reads How we measure 'reads'

  • synthesis of a novel tunable lignin-based star copolymer

    Synthesis of a novel tunable lignin-based star copolymer

    In current work, lignin-based multi-arm star copolymer phenolated kraft lignin-graft-poly (2-methacryloyloxyethyl) trimethyl ammonium chloride (PKL-g-PDMC) was designed and synthesized as a new kind of cationic flocculant via Steglich esterification of PKL and subsequent RAFT polymerization with DMC, and its flocculation performance in the removal of kaolin particles from simulated

  • preparation of octopus-like lignin-grafted cationic

    Preparation of octopus-like lignin-grafted cationic

    However, when excess L-CPA was added, too strong electronegativity induced by lignin would enhance the repulsion between the kaolin particles and lignin-grafted flocculants, leading to reduced flocculation efficiency. In one word, the flocculation of L-CPA was realized by

  • lignin-based flocculant and dispersant for wastewater

    Lignin-based flocculant and dispersant for wastewater

    charge density of the polymers increased. The flocculation studies also confirmed that the flocculation efficiency of these cationic lignin polymers depended on the adsorbed amount of . iii polymer on kaolin and bentonite particles, but not on the unadsorbed amount present in the suspensions. In this study, the flocs size and structure of cationic lignin in kaolin suspension was determined by

  • lignin-based flocculant and dispersant for wastewater

    Lignin-based flocculant and dispersant for wastewater

    An improved reflocculation ability of cationic polymers was observed as the molecular weight and charge density of the polymers increased. The flocculation studies also confirmed that the iii flocculation efficiency of these cationic lignin polymers depended on the adsorbed amount of polymer on kaolin and bentonite particles, but not on the

  • polymer absorption and flocculation

    Polymer Absorption and Flocculation

    Flocculation of coal by nonionic polymers appears to be quite good under all conditions. For clay and quartz, on the other hand, flocculation was found to be mediocre even under the best conditions. Optimum polymer dosage appears not to vary with pH and ionic strength, although the clarity of the supernatant liquid does depend on these two

  • natural polymer matrix as safe flocculant to remove

    Natural polymer matrix as safe flocculant to remove

    To perform coagulation-flocculation tests, the kaolin suspensions with specified initial turbidities were prepared using the stock (Yu et al., 2011). The pHs of the working kaolin suspensions (hereinafter called wastewater) were adjusted to known values before use. 2.5. Coagulation-flocculation procedure

  • lignin-based flocculant and dispersant for wastewater

    Lignin-based flocculant and dispersant for wastewater

    charge density of the polymers increased. The flocculation studies also confirmed that the flocculation efficiency of these cationic lignin polymers depended on the adsorbed amount of . iii polymer on kaolin and bentonite particles, but not on the unadsorbed amount present in the suspensions. In this study, the flocs size and structure of cationic lignin in kaolin suspension was determined by

  • stability of kaolin dispersion in the presence of lignin

    Stability of kaolin dispersion in the presence of lignin

    Dispersion of kaolin in aqueous systems is important in many industries including ceramics, chemicals, pharmaceuticals and paints. In this work, kraft lignin-acrylamide (KAM) polymers were

  • lignin-based flocculant and dispersant for wastewater

    Lignin-based flocculant and dispersant for wastewater

    An improved reflocculation ability of cationic polymers was observed as the molecular weight and charge density of the polymers increased. The flocculation studies also confirmed that the iii flocculation efficiency of these cationic lignin polymers depended on the adsorbed amount of polymer on kaolin and bentonite particles, but not on the

  • polymer absorption and flocculation

    Polymer Absorption and Flocculation

    Flocculation of coal by nonionic polymers appears to be quite good under all conditions. For clay and quartz, on the other hand, flocculation was found to be mediocre even under the best conditions. Optimum polymer dosage appears not to vary with pH and ionic strength, although the clarity of the supernatant liquid does depend on these two

  • adsorption and flocculation by polymers and polymer

    Adsorption and flocculation by polymers and polymer

    This explains the results showing that ζ-potential of kaolin and bentonite particles in polymer mixtures depends primarily on the conformation of the anionic polyelectrolyte on the surface. 4. Mechanisms of flocculation by polymers. Adsorbed polymers can have major effects on colloid stability.

  • flocculation mechanism induced by cationic polymers

    Flocculation Mechanism Induced by Cationic Polymers

    Flocculation of kaolin particles with cationic lignin polymers. Scientific Reports 2019, 9 (1) DOI: 10.1038/s41598-019-39135-z. R.K. Dwari, B.K. Mishra. Evaluation of flocculation characteristics of kaolinite dispersion system using guar gum: A green flocculant.

  • structure and strength of flocs of precipitated calcium

    Structure and Strength of Flocs of Precipitated Calcium

    Application of bio-based modified kaolin clay engineered as papermaking additive for improving the properties of filled recycled papers. Applied Clay Science 2019, 182, 105258. DOI: 10.1016/j.clay.2019.105258. Agha Hasan, Pedram Fatehi. Flocculation of kaolin particles with cationic lignin polymers.

  • dmc-grafted cellulose as green-based flocculants

    DMC-grafted cellulose as green-based flocculants

    Novel cellulose based flocculants C-g-P (DMC) with various chain architectures are synthesized through a situ graft copolymerizationm, which is a new and simple method to employ γ-methacryloxypropyl trimethoxy silane (KH-570) as a bridge for the connection of cellulose matrix and DMC group.

  • synthesis of a novel tunable lignin-based star copolymer

    Synthesis of a novel tunable lignin-based star copolymer

    In current work, lignin-based multi-arm star copolymer phenolated kraft lignin-graft-poly (2-methacryloyloxyethyl) trimethyl ammonium chloride (PKL-g-PDMC) was designed and synthesized as a new kind of cationic flocculant via Steglich esterification of PKL and subsequent RAFT polymerization with DMC, and its flocculation performance in the removal of kaolin particles from simulated

  • flocculation of kaolin by waxy maize starch phosphates

    Flocculation of kaolin by waxy maize starch phosphates

    Flocculation of kaolin by waxy maize starch phosphates Randal L. Shogren* Plant Polymer Research Unit, National Center for Agricultural Utilization Research, USDA/ARS/NCAUR, 1815 N. University St., Peoria, IL 61604, USA

  • dispersion and flocculation affinity of anionically

    Dispersion and flocculation affinity of anionically

    The results confirmed that the adsorption of modified lignin samples was higher than that of commercial lignosulfonate on alumina, bentonite, and kaolin. The oxidized lignin with nitric acid exhibited a greater adsorption capacity than other modified lignin samples on all types of particles studied. Generally, the modified lignin reduced the

  • polymer induced flocculation and separation

    Polymer induced flocculation and separation

    2010-11-01· Read "Polymer induced flocculation and separation of particulates from extracts of lignocellulosic materials, Bioresource Technology" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

  • flocculation and dewatering of kaolinite suspensions

    Flocculation and dewatering of kaolinite suspensions

    series. The first additives used were a low molecular weight (LMW) anionic lignin-based polymer (lignosulfonate) and four LMW cationic cellulose-based polymers (Celquat). The second additive used was a HMW linear PAM based polymer (A3335). The performance of the dual polymer systems was compared to that of using A3335 alone. Performance of the treatments was assessed based on real

  • influence of ph, electrolytes and polymers on flocculation

    Influence of pH, Electrolytes and Polymers on Flocculation

    polymers. Figure 3. Flocculation of kaolin particles. [3]. (a) Edge-to-Face (b) Face-to-Face Figure 4. Model of polymer bridging flocculation of kaolin particles. 3.4 Filtration rate Figure 5 demonstrated the relationship between filtration rate floc size and floc strength (Bingham yield stress) as function of pH at different electrolytes and

  • effect of ph on the flocculation behaviors of kaolin using

    Effect of pH on the flocculation behaviors of kaolin using

    At the pH greater than 6, the zeta potential magnitude of kaolin particles and copolymer molecules increased significantly, and the repulsive force between kaolin particles increased after copolymer addition due to the kaolin particles being more negatively charged, which resulted in poor flocculation efficiency and cloudy supernatant. It was

  • flocculating properties of water-soluble polymer-colloid

    Flocculating Properties of Water-Soluble Polymer-Colloid

    Keywords: Polymer-Colloid Complexes of Aluminoxane Particles, Weakly Charged Cationic Polyelectro-lytes, Kaolin, Flocculation . 1. Inroduction . At present, the problem of water supply acquires a global strategic significance since, firstly, water turned out to be the main deficit of

  • polymer induced flocculation and separation

    Polymer induced flocculation and separation

    Main content area. Polymer induced flocculation and separation of particulates from extracts of lignocellulosic materials

  • effect of coagulants and flocculants on dewatering

    EFFECT OF COAGULANTS AND FLOCCULANTS ON DEWATERING

    polymers (flocculation) may be used to accomplish this. Salts of multivalent cations viably lessening the surface charge of the particles are called coagulants, on the other hand, high molecular weight water-soluble polymers extensive enough to connect the particles are referred to as flocculants [8]. Polymers may be anionic, cationic or

  • molecules free full-text production of flocculants

    Molecules Free Full-Text Production of Flocculants

    Lignin is the most abundant natural aromatic polymer composing 18–35 wt. % of wood [5,6].It was estimated that (5–36) × 10 8 tons of lignin are produced annually [].In woody plants, lignin plays a critical role in providing strength to fiber walls, controlling fluid flow, and protecting against enzymatic degradation [].Lignin contains phenylpropanoid units originating from three aromatic

  • flocculating properties of water-soluble polymer-colloid

    Flocculating Properties of Water-Soluble Polymer-Colloid

    The flocculating properties of polymer-colloid complexes (PCCs) formed via noncovalent interactions of positively charged aluminoxane particles (APs) with macromolecules of weakly charged cationic acrylamide copolymers from the Praestol and Organopol series have been studied. The PCCs that spontaneously formed during mixing of sols of a high-basicity aluminum polyhydroxochloride (APHC)

  • flocculation of kaolinite clay suspensions using a

    Flocculation of kaolinite clay suspensions using a

    To understand the role of temperature in the flocculation, the long‐range interaction and adhesion forces between kaolinite clay particles in the polymer solutions at both room temperature and 40°C were measured using an atomic force microscope (AFM). The measured adhesion forces correlated well with the settling characteristics: a stronger

  • polymer induced flocculation and separation

    Polymer induced flocculation and separation

    2010-11-01· Read "Polymer induced flocculation and separation of particulates from extracts of lignocellulosic materials, Bioresource Technology" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

  • frontiers evaluation of anionic and cationic pulp-based

    Frontiers Evaluation of Anionic and Cationic Pulp-Based

    2020-01-30· In wastewater treatment, flocculation is a widely used solid/liquid separation technique, which typically employs a charged polymer, a polyelectrolyte (PEL). Polyelectrolytes features, such as charge type, charge density and molecular weight, are essential parameters affecting the mechanism of flocculation and subsequent floc sedimentation. The effectiveness of the process is also influenced

  • enhancement of colloidal particle and lignin removal

    Enhancement of colloidal particle and lignin removal

    In addition to the colloidal lignin, there were large amounts of lignin or lignin-like substances dissolved in the PHL. The PGA was added into the model dissolved lignin (DL) solution, and the effects of the PGA and pectinase treatment on the dissolved lignin removal during cationic polymer flocculation were studied. The results are shown in

  • electrokinetic potential of bentonite and kaolin particles

    Electrokinetic potential of bentonite and kaolin particles

    TY JOUR. T1 Electrokinetic potential of bentonite and kaolin particles in the presence of polymer mixtures. AU Bárány, S. AU Kozakova, I.

  • simulation of particle size in flocculation hydrodynamic

    Simulation of Particle Size in Flocculation Hydrodynamic

    Therefore, in systems where polymer flocculation occurs by bridging, dynamic changes in the particle size distribution depend upon the interaction of nonlinear, stochastic hydrodynamics with particles whose growth results from a number of concurrent and sequential random processes. Structural Consideration in Flocculation

  • effects of polymer molecular weight on adsorption

    Effects of Polymer Molecular Weight on Adsorption

    flocculation of polymer-adsorbed clay particles [14–16]. Flocculation in colloidal suspensions with polymers can be caused by charge neutralization and/or bridging flocculation [17]. However, charge neutralization can hardly induce flocculation in clay suspensions with nonionic or anionic polymers,

  • an effective flocculation method to the kaolin

    An Effective Flocculation Method to the Kaolin

    These adsorbed OH − ions tightly wrapped around kaolin particles to form a protective layer which decreased the combination chance between the flocculant and kaolin particles; thus, a deteriorative flocculation performance occurred. Moreover, PAD-1 displayed the lowest turbidity in the full range of pH, whereas the zeta potential was the

  • reduction of titanoferrous impurities from kaolin

    Reduction of Titanoferrous Impurities from Kaolin

    Reduction of Titanoferrous Impurities from Kaolin by Selective Adsorption of Flocculating Agents Mahesh M Kulkarni, Gajanan N Jadhav Abstract: Kaolin clay is used as a filler and pigment in various applications such as paper, paint, rubber, plastics, adhesives, ink and ceramics

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