• optimizing flocculation with starch polymer to reduce

    Optimizing flocculation with starch polymer to reduce

    To reduce exposure to acrylamide monomers, this study examined the combination of an activated starch-based polymer with PAM to determine whether synergistic effects can be

  • optimization of chemical flocculation of scenedesmus

    Optimization of chemical flocculation of Scenedesmus

    Cationic ions like Fe 3+, Al 3+ and cationic starch can enhance the flocculation of negatively charged particles through patch charge neutralization . However, overdosing of flocculent leads to lower relative flocculation efficiency,due to the steric hindrance and/or electrostatic repulsion at

  • optimization of agro-industrial wastewater treatment using

    Optimization of agro-industrial wastewater treatment using

    Lower dosage of unmodified rice starch during the coagulation-flocculation treatment of POME could also be due to the reduction of surface area coverage required for polymer bridging because large initial flocs were formed when pollutant particles were covered with aluminum hydroxo complexes during the initial addition of alum (Narkis et al., 1991).

  • optimizing flocculation in water treatment dynamix

    Optimizing Flocculation in Water Treatment Dynamix

    2016-04-07· Agitator Design for Wastewater Clarification Part 2 Clarification on Flocculation In our previous article, Agitator Design for Wastewater Clarification Part 1, we looked at how to optimize a mixer for the unit process of coagulation.In wastewater treatment, coagulation is normally followed by flocculation.

  • analysis and optimization of coagulation and flocculation

    Analysis and optimization of coagulation and flocculation

    2015-02-01· Natural coagulants have been the focus of research of many investigators through the last decade owing to the problems caused by the chemical coagulants. Optimization of process parameters is vital for the effectiveness of coagulation process. In the present study optimization of parameters like pH, dose of coagulant and mixing speed were studied using natural coagulants sago and chitin in

  • substituting polyacrylamide with an activated starch

    Substituting polyacrylamide with an activated starch

    A coagulation pH above 6.5 was detrimental for both polymers, but more drastically for starch polymers. Therefore, optimizing coagulation is the first step needed prior to optimizing flocculation. • A slightly anionic charge density between 2.4 and 0.4 mEq/g was established as optimal for coagulation at a pH of 6.5. The optimal charge density

  • evaluation of activated starch as an alternative to

    Evaluation of activated starch as an alternative to

    Lower velocity gradient (<250 s −1) and smaller microsand (<100 μm) are considered to be the key elements to consider in the design of improved ballasted flocculation involving starch polymers. Future work should evaluate the fate of residual starch-based polymers in

  • evaluation of activated starch as an alternative to

    Evaluation of activated starch as an alternative to

    Evaluation of activated starch as an alternative to polyacrylamide polymers for drinking water flocculation Article in Aqua 64(3):333 · May 2015 with 359 Reads How we measure 'reads'

  • coagulation and flocculation in water and wastewater

    Coagulation and Flocculation in Water and Wastewater

    Coagulation and Flocculation in Water and Wastewater TreatmentThe CoagulantsRemoval of Natural Organic MatterPathogen RemovalRemoval of InorganicsWastewater TreatmentFactors Affecting Coagulation OperationsRapid MixingFlocculationTesting and ControlSludge HandlingFurther ReadingReferencesRelated PublicationsCoagulation and flocculation are an essential part of drinking water treatment as well as wastewater treatment. This article provides an overview of the processes and looks at the latest thinking. Material for this article was largely taken from reference1.Coagulation and flocculation are essential processes in various disciplines. In potable water treatment, clarification of water using coagulating agents has been practiced from ancient times. As early as 2000 BC the Egyptians used al

    Dual starch–polyacrylamide polymer system for improved

    To reduce exposure to acrylamide monomers, this study examined the combination of an activated starch-based polymer with PAM to determine whether synergistic effects can be achieved using a dual polymer system. Flocculation performance (floc size, density and rate of aggregation) was monitored using jar tests. Turbidity removal was also

  • dual starch–polyacrylamide polymer system for improved

    Dual starch–polyacrylamide polymer system for improved

    2017-11-01· To reduce exposure to acrylamide monomers, this study examined the combination of an activated starch-based polymer with PAM to determine whether synergistic effects can be achieved using a dual polymer system. Flocculation performance (floc size, density and rate of aggregation) was monitored using jar tests. Turbidity removal was also

  • optimization of chemical flocculation of scenedesmus

    Optimization of chemical flocculation of Scenedesmus

    Cationic ions like Fe 3+, Al 3+ and cationic starch can enhance the flocculation of negatively charged particles through patch charge neutralization . However, overdosing of flocculent leads to lower relative flocculation efficiency,due to the steric hindrance and/or electrostatic repulsion at

  • coagulation and flocculation in water and wastewater

    Coagulation and Flocculation in Water and Wastewater

    Coagulation and Flocculation in Water and Wastewater Treatment. Coagulation and flocculation are an essential part of drinking water treatment as well as wastewater treatment. This article provides an overview of the processes and looks at the latest thinking.

  • imaging c-pam-induced flocculation of paper fibers

    Imaging c-PAM-induced flocculation of paper fibers

    The flocculation of paper fibers by cationic polyacrylamides (c-PAM) was studied by imaging the fibers that remain free during flocculation. Studies with fibers of different lengths showed that

  • polymers for water and wastewater treatment

    Polymers for Water and Wastewater Treatment

    Tramfloc, Inc. manufactures more than 2,000 different polymeric formulations including flocculants, coagulants, emulsion breakers, super plasticizers, erosion control polymers, dust suppressant polymers, and super absorbent polymers. We make liquid, solution, emulsion, granular, bead, tablet and log forms of the polymers.

  • coagulations and flocculation water treatment suez

    Coagulations and Flocculation Water Treatment SUEZ

    In wastewater treatment these clarification aids help with the removal of other contaminants such as oil, phosphate and heavy metals. For raw water applications, polymer products help to eliminate the need for pH adjustment, decrease the load on demineralizers, increase filter throughout, and significantly reduce

  • flocculation using starch-based flocculants: an efficient

    Flocculation using starch-based flocculants: An efficient

    2018-01-23· The integration of flocculation allows for a comprehensive treatment, which can evidently alleviate the load of contaminant removal on the subsequent processes and reduce the operation cost. In the flocculation process, the flocculant always plays a key role. Natural polymer-based flocculants, a sort of organic polymers, are distinct from

  • chelating crosslinked starches as flocculation

    Chelating Crosslinked Starches as Flocculation

    For this reason, the Bureau of Mines has been conducting laboratory studies on the flocculation of a number of minerals with polymers (crosslinked starches) containing various chelating groups with the goal of identifying promising flocculants and determining the conditions required to obtain mineral selectivity. Previously, Termes and co

  • flocculation of kaolin by waxy maize starch phosphates

    Flocculation of kaolin by waxy maize starch phosphates

    2009-05-16· Read "Flocculation of kaolin by waxy maize starch phosphates, Carbohydrate Polymers" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

  • using coagulants poly aluminum chloride and aluminum

    Using Coagulants Poly Aluminum Chloride and Aluminum

    the dosage composed of inorganic coagulant alum or ferrous and polymer coagulants (either organic or Using Coagulants Poly Aluminum Chloride and Aluminum Sulfate to Optimize Phosphorus and Turbidity Removal from Secondary Effluent Kun Yang International Journal of Digital Content Technology and its Applications(JDCTA)

  • phosphatic clay flocculation

    Phosphatic Clay Flocculation

    Disposal of large quantities of fine-sized ore wastes becomes more and more unacceptable, as the quantity and average grade of our mineral resources are declining, at a time when our concern with the environment is increasing. In order to recover mineral values from these fine-sized fractions, and to reduce the amount of waste material, new separation techniques are necessary since traditional

  • properties and flocculation efficiency of

    PROPERTIES AND FLOCCULATION EFFICIENCY OF

    Three starch-based and two cellulose-based polymers were chosen for further flocculation and filtrations tests. Key optimization parameters for the polymer were identified as the increasing of molecular weight and nitrogen content. The starch-based polymer had the best performance in both applications, but in neither of the cases did it

  • preparation of flocculant for optimizing glycol lignin

    Preparation of flocculant for optimizing glycol lignin

    Glycol lignin possessing thermoplastic and fusible properties can be a biorefinery platform material; however, glycol lignin is obtained as very small particles in suspension and the low dewatering efficiency is a major difficulty for the mass production. To improve the productivity of glycol lignin in the refinery plant, glycol lignin-based flocculants were prepared and their flocculation

  • cationic polyacrylamide flocculant/ powder sinofloc

    Cationic Polyacrylamide Flocculant/ Powder Sinofloc

    SINOFLOC cationic flocculants are co-polymers of acrylamide with increasing proportions of cationic monomers. The cationic groups, which are thus introduced into the polymer, have positive charges in aqueous solution. Our cationic polyacrylamide is available in solid powder and emulsion forms.

  • utilizing cellulose nanofibril as an eco-friendly

    Utilizing cellulose nanofibril as an eco-friendly

    "Utilizing cellulose nanofibril as an eco-friendly flocculant for filler flocculation in papermaking," BioRes. 11(4), 10296-10313. Abstract Cellulose nanofibril (CNF) is a type of nano-sized cellulosic material with a high aspect ratio and a large specific surface area, which makes it a promising additive to flocculate particles such as fillers.

  • analysis and optimization of coagulation

    Analysis and optimization of coagulation

    Analysis and optimization of coagulation and flocculation process. Applied Water Science, Jan 2015 V They have achieved almost 100 % oil and grease removal for domestic wastewater as a result of the CFS process with starch. Optimization of mixing time In coagulation process, rapid mixing is used to spread out the coagulant throughout the turbid water. In flocculation process, slow mixing

  • pre-flocculation of precipitated calcium carbonate filler

    PRE-FLOCCULATION OF PRECIPITATED CALCIUM CARBONATE FILLER

    parameters. Moreover, filler pre-flocculation with starch was reported to be able to reduce linting and dusting problems (Modgi et al. 2010). A dual polymer system was also employed to pre-flocculate the PCC, and it was found that the mechanical strength of the sheets increased significantly with larger flocs and higher median PCC floc size (Cheng

  • factors affecting flocculation performance of synthetic

    Factors affecting flocculation performance of synthetic

    the flocculant polymer to control the discharge of agricultural nonpoint source pollution and fo- sed on the understanding of how soil-water and polymer properties affect flocculation perform- ce. Therefore, a series of flocculation experi- nts under different conditions was evaluated for bet- ter polymer clarification efficiency. Various fac-

  • modeling and optimization of the coagulation flocculation

    Modeling and Optimization of the Coagulation Flocculation

    performance of non-autoclaved rice starch is superior to the autoclaved variety, in terms of removal efficiency and floc size. In the optimal point, predicted by the model, a removal efficiency equal to 98.4% can be attained, using non-autoclaved rice starch, which is higher than that of the autoclaved rice starch (71.29%). The significant

  • flocculants atdmdrilling

    Flocculants ATDMDrilling

    A condition in which clays, polymers or other small charged particles become attached and form a fragile structure, a floc. In dispersed clay slurries, flocculation occurs after mechanical agitation ceases and the dispersed clay platelets spontaneously form flocs because of attractions between negative face charges and positive edge charges.

  • effect of carbonate alkalinity on the flocculation

    EFFECT OF CARBONATE ALKALINITY ON THE FLOCCULATION

    Approval of the thesis: EFFECT OF CARBONATE ALKALINITY ON THE FLOCCULATION BEHAVIOR OF HEMATITE Submitted by AYSAN MOLAEI in partial fulfillment of the requirements for the degree of Master of Science in Mining Engineering Department, Middle East Technical University by, Prof. Dr. Canan Özgen _____

  • coagulation/flocculation process for produced water treatment

    Coagulation/Flocculation Process for Produced Water Treatment

    /flocculation process on waste water treatment such as: Altaher et al,2011 (Altaher, et al ., 2011) optimized the coagulation-flocculation process of Wastewater

  • optimization of cationic amino starch synthesis using

    Optimization of cationic amino starch synthesis using

    2013-11-06· Previous studies have shown coagulation-flocculation to be the most efficient method for large scale microalgae harvesting. This study focused on modifying native potato starch with biogenic amines and optimizing the reaction parameters. Such modification rendered the starch cationic, with an ability to destabilize microalgae suspensions or

  • coagulations and flocculation water treatment suez

    Coagulations and Flocculation Water Treatment SUEZ

    In wastewater treatment these clarification aids help with the removal of other contaminants such as oil, phosphate and heavy metals. For raw water applications, polymer products help to eliminate the need for pH adjustment, decrease the load on demineralizers, increase filter throughout, and significantly reduce

  • utilizing cellulose nanofibril as an eco-friendly

    Utilizing cellulose nanofibril as an eco-friendly

    "Utilizing cellulose nanofibril as an eco-friendly flocculant for filler flocculation in papermaking," BioRes. 11(4), 10296-10313. Abstract Cellulose nanofibril (CNF) is a type of nano-sized cellulosic material with a high aspect ratio and a large specific surface area, which makes it a promising additive to flocculate particles such as fillers.

  • flocculation polymer genengnews

    Flocculation Polymer genengnews

    2017-12-28· The Clarisolve ® mPAA polymer is a stimulus-responsive flocculation polymer designed specifically to enable a simpler clarification of high-density cell culture monoclonal antibody (mAb

  • ijerph free full-text optimization of polyaluminum

    IJERPH Free Full-Text Optimization of Polyaluminum

    Flocculation can remove large amounts of nitrogen and phosphorus from wastewater, and the resulting nitrogen- and phosphorus-rich floc can be used to produce organic fertilizer. For biogas slurries containing high levels of nitrogen and phosphorus, ordinary flocculants can no longer meet the flocculation requirements. In this study, to fully utilize the advantages of the two flocculants and

  • beneficiation of synthetic iron ore kaolinite mixture

    Beneficiation of Synthetic Iron Ore Kaolinite Mixture

    polymer having high affinity towards hematite, which is a natural flocculant for selective flocculation. On account of which corn starch was used as the flocculant for this work. 2. MATERIALS AND METHOD Natural occurring hematite iron ore sample was used in this work, which was collected from one of the plant in India. Hematite iron ore sample

  • efficient flocculation of hairwork wastewater using starch

    Efficient flocculation of hairwork wastewater using starch

    starch-based flocculants had better flocculation performancefif in purification of hairwork wastewater, i.e. lower optimal doses and corresponding higher removal rates of turbidity and UV. 254. than polyaluminum chloride (PAC). The content of cationic groups was one of the key factors

  • flocculants atdmdrilling

    Flocculants ATDMDrilling

    A condition in which clays, polymers or other small charged particles become attached and form a fragile structure, a floc. In dispersed clay slurries, flocculation occurs after mechanical agitation ceases and the dispersed clay platelets spontaneously form flocs because of attractions between negative face charges and positive edge charges.

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