• (pdf) flocculation efficiency of hybrid polymers with

    (PDF) Flocculation efficiency of hybrid polymers with

    We use cookies to make interactions with our website easy and meaningful, to better understand the use of our services, and to tailor advertising.

  • flocculation efficiency of hybrid polymers with trivalent

    Flocculation efficiency of hybrid polymers with trivalent

    Abstract. Acrylamide/acrylic acid copolymers (AAm/AA) have been synthesized by microemulsion polymerization in absence and presence of trivalent cations Al +3 and Fe +3. Starch ma

  • cross‐linked double network graphene oxide/polymer

    Cross‐Linked Double Network Graphene Oxide/Polymer

    In this study, we introduced a graphene oxide (GO)/polymer‐based hybrid coagulant/flocculant by forming double‐network hydrogel through bioinspired Ca 2+ crosslinking during the coagulation‐flocculation process (Figure 1a). 17 When applied to water treatment, GO/polymer‐based hybrid coagulant could precipitate multiple pollutants (e.g

  • preparation and characterization of coagulation

    Preparation and characterization of coagulation

    2014-05-01· The effects of PACl–PAMIPCl 2 hybrid polymer on flocculation performance of simulated dyes are studied by using PACl and PAMIPCl.c polymer as comparative polymeric flocculants. PACl–PAMIPCl 2 hybrid polymer with higher viscosity was chosen to be analyzed as it showed the best result in color removal and COD reduction for both simulated dyes.

  • flocculation

    Flocculation

    Flocculation is used in biotechnology applications in conjunction with microfiltration to improve the efficiency of biological feeds. The addition of synthetic flocculants to the bioreactor can increase the average particle size making microfiltration more efficient. When flocculants are not added, cakes form and accumulate causing low cell

  • the flocculation efficiency of polydisperse polymer

    The flocculation efficiency of polydisperse polymer

    The flocculation efficiency of polydisperse polymer flocculants Article in International Journal of Mineral Processing 73(2):161-175 · February 2004 with 114 Reads How we measure 'reads'

  • the flocculation efficiency of polydisperse polymer

    The flocculation efficiency of polydisperse polymer

    The flocculation efficiency of polydisperse polymer flocculants @inproceedings{Yan2004TheFE, title={The flocculation efficiency of polydisperse polymer flocculants}, author={Yao-de Yan and Sharna M Glover and Graeme J. Jameson and Simon Biggs}, year={2004} } Yao-de Yan, Sharna M Glover, +1 author Simon Biggs

  • the flocculation efficiency of polydisperse polymer

    The flocculation efficiency of polydisperse polymer

    The flocculation efficiency of polydisperse polymer flocculants @inproceedings{Yan2004TheFE, title={The flocculation efficiency of polydisperse polymer flocculants}, author={Yao-de Yan and Sharna M Glover and Graeme J. Jameson and Simon Biggs}, year={2004} } Yao-de Yan, Sharna M Glover, +1 author Simon Biggs

  • salt concentration influence on the efficiency of two

    Salt concentration influence on the efficiency of two

    2012-04-24· The influence of the increase of the solution ionic strength on the flocculation of charged latex particles in the presence of cationic polymers is reported. Empirical flocculation rate constants are experimentally determined using particle counting and for two cationic polymers, one linear and the second with two branches. Comparisons are made with a solution containing monovalent salt only

  • the flocculation efficiency of polydisperse polymer

    The flocculation efficiency of polydisperse polymer

    2004-02-03· Read "The flocculation efficiency of polydisperse polymer flocculants, International Journal of Mineral Processing" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

  • study on adsorption of inorganic-organic hybrid polymers

    Study on Adsorption of Inorganic-organic Hybrid Polymers

    For model tailings, Al-PAM, Fe-PAM and MF 1011 exhibited excellent flocculation efficiency, but MF 1011 was found to be sensitive to overdosing. For laboratory extraction tailings, hybrid polymers showed better flocculation performance than MF 1011. Adsorption measurement of polymers by QCM-D indicated that Fe-PAM adsorbed more significantly on

  • flocculation

    Flocculation

    Flocculation is used in biotechnology applications in conjunction with microfiltration to improve the efficiency of biological feeds. The addition of synthetic flocculants to the bioreactor can increase the average particle size making microfiltration more efficient. When flocculants are not added, cakes form and accumulate causing low cell

  • synthesis and characterization of hybrid polymer

    Synthesis and Characterization of Hybrid Polymer

    The inorganic-organic hybrid polymer PAFC–CPAM with 100∶1 (w/w) and basicity 1.5 was synthesized and the comparison with AlCl3 and CPAM for flocculation effect in coking wastewater regeneration treatment was also performed. The hybrid polymer was characterized by Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM) and Raman spectroscopy.

  • the flocculation efficiency of polydisperse polymer

    The flocculation efficiency of polydisperse polymer

    polymers in the blend. We also examined re-suspension (under shear) and re-flocculation of the sediment formed in the initial flocculation experiments. For the three single-polymer systems, rapid re-flocculation after shear was seen for the two lower molecular weight samples suggesting a reversible aggregate breakage. For the high molecular

  • response surface methodology (rsm) for wastewater

    Response Surface Methodology (RSM) for Wastewater

    In this study, a novel aluminum chloride-ploy(acrylamide) hybrid polymer has been synthesized by free radical solution polymerization of acrylamide (AM) onto aluminum chloride (AlCl3) in the presence of ammonium persulphate and sodium hydrogen sulphite as polymerization’s initiators. On the other hand, the structure of hybrid polymer (AlCl3-PAM) has been characterized by Fourier transform

  • cross‐linked double network graphene oxide/polymer

    Cross‐Linked Double Network Graphene Oxide/Polymer

    Hybrid coagulant/flocculant consisting of nanomaterials have tremendous potential in solid-liquid separation and can be applied to the coagulation-flocculation-sedimentation process of water treatment. In this work, inspired by the mineralization in nature, a graphene oxide/polymer-based hybrid

  • flocculation test procedure mineral processing

    Flocculation Test Procedure Mineral Processing

    A Flocculation Test Procedure is used to determine how much Flocculants need be added to solids in suspension (slurry or pulp) to cause the individual particles to collect in the form of flocs. The formation of flocs aids in improved settling rates, better overhead clarity and/or faster filtration rates. There are three main methods for achieving aggregation of very small or colloidal

  • flocculation test procedure mineral processing

    Flocculation Test Procedure Mineral Processing

    A Flocculation Test Procedure is used to determine how much Flocculants need be added to solids in suspension (slurry or pulp) to cause the individual particles to collect in the form of flocs. The formation of flocs aids in improved settling rates, better overhead clarity and/or faster filtration rates. There are three main methods for achieving aggregation of very small or colloidal

  • evaluation of cationic polyacrylamide-based hybrid

    Evaluation of cationic polyacrylamide-based hybrid

    Mutual effect of hybrid coagulants indicated the colloidal species to be helpful in enhancing DOC and DON removal. Other parameters affecting coagulation performance included the pH: the estimated maximum DON removal efficiency occurred at pH 6, DOC removal efficiency at pH 8. The above results found in this study showed that DON removal was

  • improvement of flocculation efficiency of water

    Improvement of Flocculation Efficiency of Water

    2010-05-11· (1998). Improvement of Flocculation Efficiency of Water Treatment by using Polymer Flocculants. Environmental Technology: Vol. 19, No. 4, pp. 431-436.

  • dosage effect of cationic polymers on the flocculation

    Dosage effect of cationic polymers on the flocculation

    Accepted Manuscript Dosage effect of cationic polymers on the flocculation efficiency of the marine microalga Neochloris oleoabundans G.P. ‘t Lam, E.K. Zegeye, M.H

  • 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.

  • polymeric branched flocculant effect on the flocculation

    Polymeric Branched Flocculant Effect on the Flocculation

    This paper presents the effect of the structure of cationic polyacrylamides (CPAMs) on flocculation of pulp suspensions and floc properties. A focused beam reflectance measurement (FBRM) probe was used to monitor flocculation, deflocculation, and reflocculation processes in real time. To carry out the study, 1% elemental chlorine free (ECF) eucalyptus kraft pulp containing 20% ground calcium

  • modeling and optimization of new flocculant dosage and ph

    Modeling and Optimization of New Flocculant Dosage and pH

    Water 2013, 5 343 1. Introduction Coagulation-flocculation is one of the chemical treatment processes commonly used for water and wastewater. It has a wide range of application in water and wastewater facilities because it is efficient

  • 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

  • study of kaolin for synthesis of aluminum chloride

    Study of Kaolin for Synthesis of Aluminum Chloride

    A physico-chemical method which is flocculation was used in this study to flocculate kaolin suspension. The effect of pH on the flocculation of kaolin suspension was studied between pH 5 to 7.5. The result showed the aluminium chloride-polyacrylamide (AlCl3-PAM) hybrid polymer was able to remove >99% of turbidity at pH 6.5 using 5 mg/L of dosage.

  • harvesting of microalgae by bio-flocculation

    Harvesting of microalgae by bio-flocculation

    2010-09-28· The high-energy input for harvesting biomass makes current commercial microalgal biodiesel production economically unfeasible. A novel harvesting method is presented as a cost and energy efficient alternative: the bio-flocculation by using one flocculating microalga to concentrate the non-flocculating microalga of interest.

  • 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

  • flocculation mechanism induced by cationic polymers

    Flocculation Mechanism Induced by Cationic Polymers

    On the basis of measurements of polymer adsorption and its effect on the zeta potential and floc properties, it has been found that the polymer charge density plays an important role in determining the flocculation mechanism. Polymers with a 10% charge density facilitate bridging, 40% charged polymers bring about either a combination of charge

  • improving the efficiency of a coagulation-flocculation

    Improving the Efficiency of a Coagulation-Flocculation

    Efficiency of coagulation-flocculation process used for semiconductor wastewater treatment was improved by selecting suitable conditions (pH, polyelectrolyte type, and concentration) through zeta potential measurements. Under this scenario the zeta potential, ζ,is the right parameter that allows studying and predicting the interactions at the molecular level between the contaminants in the

  • water free full-text modeling and optimization of new

    Water Free Full-Text Modeling and Optimization of New

    This maximum removal occurs due to the fact that the hybrid polymer FeCl 3-(PVP-g-PAM) becomes ionized, and the ionized Fe 3+ can easily neutralize the residual charge on particles and expand the chain on the bridge. It is observed that an increase in pH beyond the maximum range will lead to a decrease in the flocculation process efficiency.

  • coagulation & flocculation » aquarden technologies

    Coagulation & flocculation » Aquarden Technologies

    Flocculation: Particles that aggregate by the use of polymers that binds them together. Coagulation and flocculation are well-known techniques within wastewater treatment. They are typically used for treatment of wastewater containing colloids (suspended particles) and metal ions. But the phenomena are also well-known from everyday life

  • a novel flocculant of poly aluminum silicate sulfate

    A Novel Flocculant of Poly Aluminum Silicate Sulfate

    aluminum form the amorphous polymer and the flocculation efficiency of PAM-PASS is much better than that of commercial polyacrylamide (PAM) and PASS. Keywords: Flocculants ; Organic-inorganic hybrid; PAM-PASS; Stability Introduction Flocculant including inorganic flocculant and organic flocculant. The advantages of inorganic flocculant are low price, safe and low toxicity, wide sources, low

  • coagulation / flocculation process in the removal of trace

    Coagulation / flocculation process in the removal of trace

    Coagulation / flocculation process in the removal of trace metals present in industrial wastewater 1*AMUDA, OS; 2AMOO, IA; removal efficiency reached 84% at 5 mg/l polymer dose and 200 mg/l ferric chloride dose, the total chromium removal efficiency increased to 93% as polymer dose was increased to 10mg/l, also, 97% total chromium removal efficiency was achieved when the polymer

  • original research wastewater flocculation using a new

    Original Research Wastewater Flocculation Using a New

    The aim of this study is to prepare a new hybrid inor-ganic-organic copolymer, indicate its characterization, and employ it as a new flocculant in wastewater treatment. The present work focuses on the use of aluminum chloride-poly(acrylamide-co-acrylic acid) hybrid copolymer, in the flocculation of wastewater by exploring the optimum con-

  • treatment of pulp and paper mill wastewater with various

    Treatment of Pulp and Paper Mill Wastewater with Various

    better control of flocculation kinetics and improved floc strength. According to Yu and Somasundaran [6], floc-culants showed limited flocculation while being used alone, but achieved good flocculation when used together. Chitikela and Dentel [10] propose that hybrid cationic polyelectrolyte conditioning is more effective than single

  • research progress of natural polymers in wastewater

    Research Progress of Natural Polymers in Wastewater

    This paper aims to provide the present research progress of natural polymers in environmental engineering, including the striking characteristics and modification methods of the most well-known natural polymers, as well as their applications in environmental protection field. Concluding remarks and future trends are also pointed out.

Related Post