• flocculation kinetics using dual coagulants: effects

    Flocculation kinetics using dual coagulants: effects

    use of Iron (III) in combination with cationic polymers. 2- To delineate the conditions under which the use of dual coagulants is the preferable alternative. 3- To study the effect of cold temperature on flocculation kinetics using dual coagulants. The effect of cold temperature on the effectiveness of dual coagulants has not been studied.

  • flocculation kinetics using dual coagulants: effects

    Flocculation kinetics using dual coagulants: effects

    The effects of temperature, rapid mixing time and intensity, sulfate, and coagulant addition sequence of dual coagulants on the flocculation kinetics were studied. Either ferric nitrate alone or a cationic polymer alone or in combination as dual coagulants were used. The flocculation kinetics were monitored using mainly a Photometric Dispersion Analyzer (PDA).

  • (pdf) temperature effects on flocculation, using different

    (PDF) Temperature effects on flocculation, using different

    Temperature effects on flocculation, using different coagulants Article (PDF Available) in Water Science & Technology 50(12):171-5 · February 2004 with 6,464 Reads How we measure 'reads'

  • flocculation kinetics using dual coagulants core

    Flocculation kinetics using dual coagulants CORE

    Flocculation kinetics using dual coagulants: effects of temperature, addition sequence, rapid mixing, and sulfate . By Bashaar Yakoub Ammary. Abstract. The effects of temperature, rapid mixing time and intensity, sulfate, and coagulant addition sequence of dual coagulants on the flocculation kinetics were studied. Either ferric nitrate alone or a cationic polymer alone or in combination as

  • effective coagulation-flocculation treatment of highly

    Effective coagulation-flocculation treatment of highly

    The coagulation-flocculation process followed second order kinetic equation for both dual coagulants. The kinetic rate constant for ferric chloride-APAM was found to be more than the ferric chloride-polyDADMAC, which indicates rapid settling of flocs. The germination index results show both dual coagulants were phytotoxin free i.e. 91% and 137%

  • temperature effects on flocculation kinetics using fe(iii

    Temperature Effects on Flocculation Kinetics Using Fe(III

    The effect of low water temperature on flocculation kinetics was examined using ferric nitrate to coagulate kaolin clay in water under tightly controlled treatment conditions. Both the particle size distribution data obtained from an automatic image analysis system and the on-line measurement of the degree of turbidity fluctuation in a flowing

  • effective coagulation-flocculation treatment of highly

    Effective coagulation-flocculation treatment of highly

    Effective coagulation-flocculation treatment of highly polluted palm oil mill biogas plant wastewater using dual coagulants: Decolourisation, kinetics and phytotoxicity studies

  • flocculation kinetics of colloidal suspensions: effects

    Flocculation Kinetics of Colloidal Suspensions: Effects

    In this study, the experimental data collected to evaluate this effect showed that: (a) The dosage of metallic coagulants influences considerably the flocculation kinetics of colloidal suspensions, reflecting directly on K A and K B; (b) For short detention times, in order to allow for adequate aggregation of colloidal particles, the coagulant

  • enhanced coagulation-flocculation performance of iron

    Enhanced Coagulation-Flocculation Performance of Iron

    Enhanced Coagulation-Flocculation Performance of Iron-Based Coagulants: Effects of PO43- and SiO32- Modifiers PLOS ONE,Dec 2019 Wei Chen,Huaili Zheng,Houkai Teng,Yili Wang,Yuxin Zhang,Chuanliang Zhao,Yong Liao

  • investigating coagulation behavior of chitosan with

    Investigating coagulation behavior of chitosan with

    The color removal efficiency was relatively large at pH 6.0–7.0. The bigger flocs were formed under alkaline condition for Al a and its dual-coagulant, and under acidic condition for Al b /Al c and the corresponding dual-coagulants, respectively. In coagulated water, the values of strength and regrowth also increased as CS was dosed, due to

  • flocculation kinetics of colloidal suspensions: effects

    Flocculation Kinetics of Colloidal Suspensions: Effects

    In this study, the experimental data collected to evaluate this effect showed that: (a) The dosage of metallic coagulants influences considerably the flocculation kinetics of colloidal suspensions, reflecting directly on K A and K B; (b) For short detention times, in order to allow for adequate aggregation of colloidal particles, the coagulant

  • enhanced coagulation-flocculation performance of iron

    Enhanced Coagulation-Flocculation Performance of Iron

    Some literatures pointed out that the coagulants with higher fractal dimensions exert positive effects on flocculation of colloidal particles and formation of bridge-aggregation among flocs [18, 35]. In this paper, fractal dimension is calculated using the linear correlation between the logarithms of perimeter (L) and area (A). Assisted by

  • recent advancement of coagulation–flocculation and its

    Recent Advancement of Coagulation–Flocculation and Its

    2016-03-04· Effective coagulation-flocculation treatment of highly polluted palm oil mill biogas plant wastewater using dual coagulants: Decolourisation, kinetics and phytotoxicity studies. Journal of Water Process Engineering 2017, 16, 258-269. DOI: 10.1016/j.jwpe.2017.02.005.

  • effect of addition sequence on dual‐coagulant

    Effect of Addition Sequence on Dual‐Coagulant

    This research investigated the effect of addition sequence of cationic polymers in combination with inorganic coagulants on flocculation kinetics. A photometric dispersion analyzer (PDA) was used as the primary device to study the flocculation kinetics of kaolin clay suspensions at different concentrations and under different experimental

  • drinking water treatability database

    Drinking Water Treatability Database

    Sweep flocculation occurs when colloidal contaminants are entrained or swept down by the precipitates as they settle in the suspension. The optimal pH range for coagulation is 6 to 7 when using alum and 5.5 to 6.5 when using iron. For high alkalinity water, excessive amounts of coagulant may be needed to lower the pH to the optimal pH range. In

  • awwa ace95091

    AWWA ACE95091

    Specifically, the following points are addressed: delineate the conditions under which the use of dual coagulants is the preferable alternative; study the effect of cold temperature on flocculation kinetics using dual coagulants, and investigate whether the combined use of Iron (III) and cationic polymers is better suited for the coagulation of

  • flocculation property of composite flocculants pac/cpam

    Flocculation property of composite flocculants PAC/CPAM

    References. I.K.M. Manda, R.C.G. Chidya, J.D.K. Saka, T.T. Biswick, Comparative assessment of water treatment using polymeric and inorganic coagulants, Phys. Chem

  • a new approach using coagulation rate constant

    A new approach using coagulation rate constant

    2015-09-23· Coagulation–flocculation–sedimentation processes for treating three levels of bentonite synthetic turbid water using date seeds (DS) and alum (A) coagulants were investigated in the previous research work. In the current research, the same experimental results were used to adopt a new approach on a basis of using coagulation rate constant as an investigating parameter to identify

  • iop conference series: earth and environmental science

    IOP Conference Series: Earth and Environmental Science

    Coagulation-Flocculation Process in Landfill Leachate Treatment: Focus on Coagulants and Coagulants Aid M A Kamaruddin, M M A Abdullah, M S Yusoff et al.-Effects of pressure, temperature, and treatment time on oscillatory rheological properties and non-isothermal gelatinization kinetics of chickpea (Cicer arietinum L.) flour slurry

  • flocculation: processes and applications nova science

    Flocculation: Processes and Applications Nova Science

    Additionally, the performance of natural coagulant tanin compared to chemical coagulants aluminium sulphate and ferric chloride commonly used in the treatment of raw wastewater from tannery, by means of the physicochemical processes of coagulation, flocculation and sedimentation are examined.

  • enhanced coagulation-flocculation performance of iron

    Enhanced Coagulation-Flocculation Performance of Iron

    Some literatures pointed out that the coagulants with higher fractal dimensions exert positive effects on flocculation of colloidal particles and formation of bridge-aggregation among flocs [18, 35]. In this paper, fractal dimension is calculated using the linear correlation between the logarithms of perimeter (L) and area (A). Assisted by

  • flocculation: processes and applications nova science

    Flocculation: Processes and Applications Nova Science

    Additionally, the performance of natural coagulant tanin compared to chemical coagulants aluminium sulphate and ferric chloride commonly used in the treatment of raw wastewater from tannery, by means of the physicochemical processes of coagulation, flocculation and sedimentation are examined.

  • coagulation and flocculation mrwa

    COAGULATION AND FLOCCULATION MRWA

    Coagulation and Flocculation Process Fundamentals 1 Coagulation and Flocculation . Groundwater and surface water contain both dissolved and suspended particles. Coagulation and flocculation are used to separate the suspended solids portion from the water. Suspended particles vary in source, charge, particle size, shape, and density. Correct

  • effect of dosing method on color removal deepdyve

    Effect of dosing method on color removal DeepDyve

    2009-08-15· Three inorganic–organic dual-coagulants were comparatively evaluated in terms of color removal, zeta potential and flocculation dynamics in treating simulative reactive and disperse dyeing wastewater. The flocculation kinetics, including floc growth rate, floc size and floc size difference in the steady-state phase, was investigated using photometric dispersion analyzer (PDA). The first dual

  • coagulation, flocculation and clarification of drinking water

    Coagulation, Flocculation and Clarification of Drinking Water

    Coagulation, Flocculation and Clarification of Drinking Water Terry L. Engelhardt Application Development Manager Drinking Water Hach Company Photo by author The intent of this paper is to provide cursory information about coagulation, flocculation and clarification. This knowledge will provide a basis for understanding the needs of the

  • coagulation and flocculation treatment of

    COAGULATION AND FLOCCULATION TREATMENT OF

    COAGULATION AND FLOCCULATION TREATMENT OF WASTEWATER IN TEXTILE INDUSTRY USING CHITOSAN MOHD ARIFFIN ABU HASSAN1, TAN PEI LI1, ZAINURA ZAINON NOOR1 ABSTRACT Aluminum sulfate (alum), ferrous sulfate, ferric chloride and ferric chloro-sulfate were commonly used as coagulants. However, a possible link of Alzheimer’s disease

  • adsorption neutralization model and floc growth kinetics

    Adsorption Neutralization Model and Floc Growth Kinetics

    The characteristics and coagulation properties of these prepared aluminum salts were investigated. The Langmuir, Freundlich, and Sips adsorption isotherms were first used to describe the adsorption neutralization process in coagulation, and the Boltzmann equation was used to fit the reaction kinetics of floc growth in flocculation. It was novel

  • flocculation

    Flocculation

    Flocculation, in the field of chemistry, is a process in which colloids come out of suspension in the form of floc or flake, either spontaneously or due to the addition of a clarifying agent. The action differs from precipitation in that, prior to flocculation, colloids are merely suspended in a liquid and not actually dissolved in a solution .

  • factorial optimization and kinetics of coal washery

    Factorial Optimization and Kinetics of Coal Washery

    to optimization. The combined effects of pH, dosage and settling time on the particle (turbidity) removal were studied using response surface methodology. Kinetic data generated were confronted with specified kinetic models for the evaluation of functional kinetics parameters. The

  • optimizing coagulation process for low to high turbidity

    Optimizing Coagulation Process for Low to High Turbidity

    values of COD using 150 mg L−1 aluminum sulfate at a pH range of 5-8 (Guida et al., 2005). In this study two coagulants, namely ferric chloride and alum, which are the most common types of coagulants in water treatment plants of Iran, were investigated with the aim of determining their capabilities to reduce turbidity of drinking water. Their

  • flocculation american society of civil engineers

    Flocculation American Society of Civil Engineers

    Effect of Mixing on Flocculation Kinetics of Kaolin Clay Suspension at Cold Temperature Using Fe(III) Coagulant Effects of Flocculation on Particle Transport On the basis of previous experimental and theoretical work on flocculation rates and the settling speeds of flocs, an accurate and computationally efficient model of the aggregation and

  • effects of compound bioflocculant on deepdyve

    Effects of compound bioflocculant on DeepDyve

    2014-08-01· Read "Effects of compound bioflocculant on coagulation performance and floc properties for dye removal, Bioresource Technology" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

  • dual functionality of a graft starch flocculant

    Dual functionality of a graft starch flocculant

    Dual functionality of a graft starch flocculant: flocculation and antibacterial performance in water treatment However, traditional water treatment agents usually possess single functionality only, causing a wide variety of agents with high doses, complicated devices, and fussy operations in actual applications.

  • awwa ace94155 pdf discount and limited time offer

    AWWA ACE94155 pdf discount and limited time offer

    The overall objectives of this research are: to investigate the kinetics of flocculating kaolin clay in water suspension using ferric nitrate as a coagulant under a number of treatment conditions; to investigate the role of sulfate in flocculation kinetics; and to assess the effects of temperature on flocculation kinetics, spanning the full

  • application of organic coagulants in water

    Application of Organic Coagulants in Water

    Coagulation is an essential mechanism that occurs in most conventional water and wastewater treatment plants. This occurs in a physical purification unit involving transport processes and the addition of coagulants for chemical reactions, charge neutralization, and formation of smaller flocs to agglomerate into larger flocs. This enhances the effective removal of recalcitrant contaminants by

  • assessment of endotoxin removal from reclaimed wastewater

    Assessment of Endotoxin Removal from Reclaimed Wastewater

    have harmful effects on human health, their removal from water is crucial. Lipopolysaccharide endotoxin has hydrophobic groups, and their removal using a coagulation-flocculation alternative is believed to be efficient. Thus, their removal from reclaimed wastewater using the coagulation- flocculation process was assessed. Secondary effluent

  • kinetics and coagulation performance of snail shell

    Kinetics and coagulation performance of snail shell

    pharmaceutical effluent. Invariably, the after effects problems such as, health challenges and post usage handling posed by the synthetic polyelectrolyte’s coagulants can be minimized as well solve the environmental aesthetic problem due to indiscriminate littering of snail shells after using

  • coag-flocculation kinetics and functional parameters

    Coag-Flocculation Kinetics and Functional Parameters

    The coag-flocculation performance of Mucuna Seed Coagulant as affected by pH variation in coal washery effluent has been investigated at room temperature using various dosages of unblended Mucuna Seed Coagulant. In addition, coag-flocculation parameters such as Coagflocculation reaction order α, αth order coag-flocculation constant K, Collision factor for Brownian Transport βBr

  • what is coagulation/flocculation and chitosan-based

    What is coagulation/flocculation and chitosan-based

    2016-08-02· Dual functionality of a graft starch flocculant: Water treatment agents, including coagulants / flocculants, bacteriostatic / bactericidal agents, scale inhibitors, etc., play very important roles in the field of water treatment. However, traditional water treatment agents usually Flocculation using starch-based flocculants: An

  • bashaar y. ammary google scholar citations

    Bashaar Y. Ammary Google Scholar Citations

    Their combined citations are counted only for the first article. Merged citations . This "Cited by" count includes citations to the following articles in Scholar. The ones marked * may be different from the article in the profile. Add co-authors Co-authors. Upload PDF. PDF Restore Delete Forever. Follow this author. New articles by this author. New citations to this author. New articles

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