• flocculation of kaolin particles with cationic lignin

    Flocculation of kaolin particles with cationic lignin

    The adsorption, zeta potential and flocculation results confirmed that the polymer with the highest charge density and molecular weight (KLD5) was a more effective flocculant than other polymers

  • (pdf) flocculation of kaolin particles with cationic

    (PDF) Flocculation of kaolin particles with cationic

    Flocculation of kaolin particles with cationic lignin polymers. Article (PDF Available) in Scientific Reports 9(1) · December 2019 with 172 Reads How we measure 'reads' A 'read' is counted each

  • 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 Twitter

  • dynamics of coagulation of kaolin particles with ferric

    Dynamics of coagulation of kaolin particles with ferric

    An optical monitoring technique is used to investigate the dynamics of coagulation of kaolin suspensions with ferric chloride. Particular attention is given to the effects of coagulant dose, solution pH and mixing intensity on coagulation dynamics.

  • dmc-grafted cellulose as green-based flocculants

    DMC-grafted cellulose as green-based flocculants

    In Fig. 4 (c), it can be seen that the flocculation of kaolin particles was improved significantly after adding C-g-P (DMC) 2 compared to PAC; and the floc size ranged distributed between 5 and 26 microns with peak size around 8 micros.

  • evaluation of a novel dextran-based flocculant

    Evaluation of a novel dextran-based flocculant

    Given that large-sized insoluble inorganic particles can be easily and effectively removed by flocculation, the increasing of CR removal efficiency may be ascribed to the fact that CR molecules were adsorbed onto the kaolin particles before flocculation. The kaolin may act as bridges between DAB and CR, resulting in the simultaneous removal. 3

  • 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

  • effect of coagulants and flocculants on dewatering

    EFFECT OF COAGULANTS AND FLOCCULANTS ON DEWATERING

    Kaolin tailings are commonly generated in the mineral industry. They are invariably negatively charged and consequently tend to form stable dispersions with poor flocculation characteristics. Coagulation–flocculation treatments are suitable methods for removing colloidal particles from wastewater. In this study, the effects of

  • 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

  • removal of kaolin from aqueous suspension using a

    Removal Of Kaolin From Aqueous Suspension Using A

    2018-07-16· Flocculation is a trivial yet very easy and cost-effective process to remove undesirable particles from wastewater. It can be used with small-scale (domestic) or large-scale (industrial) water treatment. It requires a very few apparatus and wastage of water is very minimal. 3 wt% kaolin suspension is taken as the model wastewater for all the

  • sedimentation behavior of a fine kaolinite in the

    SEDIMENTATION BEHAVIOR OF A FINE KAOLINITE IN THE

    Georgia Kaolin Company, Inc. The median particle size was 0.20 ~m and the mass proportion of colloidal particles with size -0.20 ~m was about 55%, according to the supplier (Georgia Kaolin Company, 1990). The specific area determined by the BET was 20.1 mVg, 586

  • flocculation with lysozyme: a non‐enzymatic application

    Flocculation with Lysozyme: A Non‐Enzymatic Application

    Lysozyme was found to significantly aid in the flocculation of kaolin particles. The flocculating activity of lysozyme on kaolin was affected by the pH of the suspensions, while the addition of Mg 2+ and Ca 2+ ions did not have a significant effect. Potential industrial applications such as the flocculation of powdered activated carbon and

  • characteristics of the dynamic distribution

    Characteristics of the dynamic distribution

    Polyaluminium chloride (PAC) synthetic water was selected as a coagulant and kaolin suspension particles as objects to be removed. Online instruments such as the turbidimeter and particle counter were employed to monitor the flocculation process online and collect test data. The aim of the experiments was to study the dynamic distribution characteristics of suspension particles in the

  • simulation of particle size in flocculation hydrodynamic

    Simulation of Particle Size in Flocculation Hydrodynamic

    So, unlike the simulation of flocculation system with conventional metal hydroxides only. Results and Discussion. Numerous sets of experimental data were obtained by employing the available facilities and procedures for kaolin-Fe(3+) and kaolin-polyacrylamide flocs. The test aggregates were formed from a dispersed phase of colloidal kaolin in a

  • study of adsorption and flocculation properties

    Study of Adsorption and Flocculation Properties

    All clays were first dispersed in a small volume of seawater before this suspension was added to the 100 mL water columns. The goal of the assay is the cell removal through the flocculation of algal and mineral particles leading to the formation of aggregates, which rapidly settle

  • flocculation: making clean water (video) khan academy

    Flocculation: Making clean water (video) Khan Academy

    2019-01-13· Making clean and tasty water with cool science!

  • purification of kaolin by selective flocculation

    PURIFICATION OF KAOLIN BY SELECTIVE FLOCCULATION

    Purification of kaolin by selective flocculation A. B. Luz and A. Middea. Center for Mineral Technology-CETEM Av. Ipê,no 900, Ilha da Cidade Universitária 21941-590-Rio de Janeiro, RJ, Brasil ABSTRACT Kaolin clay is heavily used in the paper industry as a coating and a filler, however

  • the effects of synthetic flocculants on some geotechnical

    The effects of synthetic flocculants on some geotechnical

    However, this increase in apparent particle size is known to be sensitive to shearing and other effects. Therefore, it is possible that sufficient confining pressures or shear would quickly break down the flocculated particles, making the geotechnical behaviour of a material indistinguishable whether flocculated or not. However, little evidence

  • kaolin flotation: beyond the classical

    Kaolin Flotation: Beyond the Classical

    Kaolin Flotation: Beyond the Classical Mitchell J. willis,* Sharad ~athur,~ and Raymond H. youngt Recovery offine particles has been considered to be a major limitation of the classicalflotation pro- cess. However, the beneficiation of kaolin, a naturally occurringfine ore, via flotation has been practiced over the last 40years. Kaolin is

  • effect of different polyhydroxylic dispersants on

    EFFECT OF DIFFERENT POLYHYDROXYLIC DISPERSANTS ON

    Merkhiat kaolin than in the case of Umm Ali kaolin particles, Fig. (4 b). The above results reveal that using no dispersants with both types of kaolin, in the settling experiments, some coagulation to the inside wall of cylinder gives a good indication of flocculation. However additions of the

  • heteroflocculation of kaolin pre-treated with oppositely

    Heteroflocculation of kaolin pre-treated with oppositely

    Heteroflocculation of kaolin pre-treated with oppositely charged polyelectrolytes Article in Colloids and Surfaces A Physicochemical and Engineering Aspects 164(2):131-141 · May 2000 with 3 Reads

  • 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

  • flocculation of kaolin suspension with cationic polymer

    Flocculation of kaolin suspension with cationic polymer

    Read "Flocculation of kaolin suspension with cationic polymer, The Canadian Journal of Chemical Engineering" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

  • the flocculation of kaolin with polyacrylamides

    The Flocculation of Kaolin with Polyacrylamides

    bridges l:ebueen particles, causing them to aggregate. This mcdifies tt-e md lrrentation properties of tt-e mjne ral slurry. Thus classical rreasures of flocculation, among them th3 settled bed !"eight and tl-e supe rnatant turbidity, have tended to focus on the properties of the suspension raUer than tt-e flocculant. The kaolin polyacrylamide system is inwstigated in this study. In the

  • effects of temperature on the flocculation processes

    Effects of Temperature on the Flocculation Processes

    The settling and flocculation play important roles in the cohesive sediment transport. An experimental study on the settling and flocculation of kaolinite in a cylindrical settling column was

  • flocculation of kaolinite suspensions using chitosan

    Flocculation of kaolinite suspensions using chitosan

    Flocculation of kaolinite suspensions using chitosan 3.1 Introduction Removal of kaolinite turbidity from the effluents before discharging into the environment is a problem faced by the clay processing industry. Faust and Aly (I983) quote extensive application of kaolinite suspensions as a model for natural

  • on the kaolinite floc size at the steady state

    On the Kaolinite Floc Size at the Steady State

    The flocculation process of cohesive sediment and other particles (such as polystyrene/latex particles) in a fluid has been studied by physicists, chemical engineers and sanitary engineers [e.g. 6–11].The shear-induced flocculation process was studied theoretically using some heuristic analytical models [2,12–14]and a series of numerical models [15–19].

  • australian centre for geomechanics conference paper:

    Australian Centre for Geomechanics Conference Paper:

    However, this increase in apparent particle size is known to be sensitive to shearing and other effects. Therefore, it is possible that sufficient confining pressures or shear would quickly break down the flocculated particles, making the geotechnical behaviour of a material indistinguishable whether flocculated or not. However, little evidence

  • kaolin flotation: beyond the classical

    Kaolin Flotation: Beyond the Classical

    Kaolin Flotation: Beyond the Classical Mitchell J. willis,* Sharad ~athur,~ and Raymond H. youngt Recovery offine particles has been considered to be a major limitation of the classicalflotation pro- cess. However, the beneficiation of kaolin, a naturally occurringfine ore, via flotation has been practiced over the last 40years. Kaolin is

  • flocculation of kaolinite suspensions in water by coconut

    Flocculation of Kaolinite Suspensions in Water by Coconut

    The flocculation of kaolinite colloidal particles was carried out at pH = 6 in suspension of initial turbidity varying between 24 NTU and 102 NTU by a casein extracted from Cocos nucifera cream. During Jar-test essays, 90% to 99% of colloids were eliminated in the sediments. The optimal doses of

  • deflocculants: a detailed overview digitalfire

    Deflocculants: A Detailed Overview digitalfire

    In the state of deflocculation, the charges on the particles have been neutralized, the particles remain in suspension as single units, with a consequent reduction in viscosity. In the state of flocculation, the particles form three-dimensional groups or structures, due to electrostatic attraction, with a consequent increase in viscosity.

  • an effective flocculation method to the kaolin

    An Effective Flocculation Method to the Kaolin

    The kaolin wastewater flocculation results show that a high molecular weight and cationic degree of PAD-1 are what produced the strong charge neutralization and bridging abilities resulting in an excellent kaolin wastewater flocculation performance (residual turbidity = 5.9 NTU and floc size [d.sub.50] = 565.936 [micro]m).

  • [flocculation of kaolin suspensions by chitosan grafted

    [Flocculation of kaolin suspensions by chitosan grafted

    And also zeta potential values of particles,floc sizes, shape analyses were presented. It is presumed that the flocculation induced by CAS is dominated by charge patch mechanism and bond bridging. The flocculation reactivity of kaolin suspensions exhibits a dynamic changing, which is simultaneously responsible for several kinds of driving forces.

  • flocculating properties of water-soluble polymer-colloid

    Flocculating Properties of Water-Soluble Polymer-Colloid

    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 the XXI century, and, secondly, con-trol over high quality and safety of consumable water became urgent. The latter factor is associated with the task to remove particles less than 10 µm in size from water

  • 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

  • kaolin al2h4o9si2 pubchem

    Kaolin Al2H4O9Si2 PubChem

    Clay (kaolin) consists of hydrated aluminum silicate. The commercial products of clay (kaolin) contain varying quantities of alkalies and alkaline earths. Clay (kaolin) is a white to yellowish or grayish fine powder. There are at least three different minerals, kaolinite, dickite, and nacrite, classified as kaolin.

  • flocculation of both kaolin and hematite suspensions

    Flocculation of Both Kaolin and Hematite Suspensions

    The flocculation performance of these two flocculants has been systematically studied using kaolin and hematite suspensions as synthetic wastewater under various pH conditions. CMS-CTA-P and CMS-CTA-N exhibited inverse flocculation behavior, but the commonness was that the starch-based flocculants with charge opposite to those of the contaminants in water always had higher flocculation

  • molecular weight dependence of synthetic glycopolymers

    Molecular Weight Dependence of Synthetic Glycopolymers

    Molecular Weight Dependence of Synthetic Glycopolymers on Flocculation and Dewatering of Fine Particles Han Lu,† Li Xiang,† Xin Cui, Jing Liu, Yinan Wang, Ravin Narain,* and Hongbo Zeng* Department of Chemical and Materials Engineering, University of Alberta, 116 Street and 85 Avenue, Edmonton, Alberta T6G 2G6,

  • sedimentation behavior of a fine kaolinite in the

    SEDIMENTATION BEHAVIOR OF A FINE KAOLINITE IN THE

    Georgia Kaolin Company, Inc. The median particle size was 0.20 ~m and the mass proportion of colloidal particles with size -0.20 ~m was about 55%, according to the supplier (Georgia Kaolin Company, 1990). The specific area determined by the BET was 20.1 mVg, 586

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