• flocculation efficiency of hybrid polymers with trivalent

    Flocculation efficiency of hybrid polymers with trivalent

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  • 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 of a pasi-p(am-adb) hybrid flocculant

    Preparation of a PASi-P(AM-ADB) hybrid flocculant

    The application of the hybrid polymer for the treatment of 2.5gL−1 kaolin suspension indicates that it had an excellent flocculation capacity and its flocculation efficiency was much better than

  • 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'

  • (pdf) polymeric systems based on poly(acrylic acid)

    (PDF) Polymeric systems based on poly(acrylic acid)

    The flocculation performance of obtained polyacrylamide copolymers and the one based on the natural polymer was compared with the performance of the commercial AAm/AA flocculant (CF). All

  • 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

  • screening and evaluation of polymers as flocculation aids

    Screening and evaluation of polymers as flocculation aids

    Based on the results of the initial screening, a further evaluation of six polymers was conducted to estimate the optimum polymer dosage for flocculation of aquaculture microscreen effluent and overall solids removal efficiency. Results of these evaluations show TSS removal was close to 99% via settling, with final TSS values ranging from as

  • flocculation an overview sciencedirect topics

    Flocculation an overview ScienceDirect Topics

    The use of nonmetal coagulants has been attracting increasing attention over the last few years. Polymers and natural compounds have been the main focus of attention, and a schematic of the process of polymer flocculation is shown in Fig. 4.5.One example is the natural compound extracted from the Opuntia ficus-indica cactus as a flocculation and concentration agent for bacteria suspended in

  • 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

    In this work, inspired by the mineralization in nature, a graphene oxide/polymer‐based hybrid coagulant/flocculant that precipitates large‐scale, multicomponent (e.g., dyes, heavy metal ions, and nanoparticles) and complex pollutants simultaneously at room temperature by forming double‐network hydrogel through bioinspired Ca 2

  • 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.

  • study of kaolin for synthesis of aluminum chloride

    Study of kaolin for synthesis of Aluminum Chloride

    particle interface. 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

  • study on adsorption of inorganic-organic hybrid polymers

    Study on Adsorption of Inorganic-organic Hybrid Polymers

    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 bitumen than Al-PAM. Thus, with the presence of bitumen, Fe-PAM could be a better flocculant than Al-PAM in the treatment of oil sands tailings.

  • the role of polymer in improving floc strength

    The Role of Polymer in Improving Floc Strength

    Dosing polymer to improve floc characteristics is a widely practiced method in water treatment to improve floc strength, and there is strong operational evidence showing the benefit of polymer dosing. However, there is a paucity of information on how polymer operates in terms of quantifying the resulting floc size and strength over different size scales. A dual particle sizing approach was

  • flocculation-flotation vs. mbr for high mlss secondary

    Flocculation-Flotation vs. MBR for High MLSS Secondary

    Hybrid centrifugal dissolved air flotation technology (The GEM System developed at CWT [see Figure 4]) provides the best of both centrifugal and dissolved air systems: efficient continuous flow mixing and in line flocculation with the nucleation and entrainment of fine dissolved air bubbles. This development has resulted in systems with

  • polish journal of chemical technology volume 20 issue 4

    Polish Journal of Chemical Technology Volume 20 Issue 4

    Purification and recovery of laccase produced by submerged cultures of Trametes versicolor by three-phase partitioning as a simple and highly efficient technique By: Agata Wasak,Radosław Drozd,Bartłomiej Grygorcewicz,Dorota Jankowiak and Rafał Rakoczy

  • efficiency of polyaluminum nitrate sulfate–polyamine

    Efficiency of polyaluminum nitrate sulfate–polyamine

    The hybrid coagulants were always more efficient in COD removal: 51 vs. 37% at initial pH 8.4, and especially at initial pH 10.5 (for similar silica removal): 31 vs. 4%. The effect of molecular weight of the PAs was significant for COD removal (higher molecular weight PAs are more efficient for COD removal), while it was not significant for silica removal efficiency. The main flocculation

  • water treatment coagulation-flocculation general

    water treatment coagulation-flocculation general

    When sometimes used instead of or in addition to mineral coagulants, these cationic polymers will neutralise negative colloids directly through their positive charges. Their adsorption to the surface of these colloids will allow a bridging effect and, therefore flocculation, to occur at the same time. One of the main benefits will be the

  • preparation, characterization and application of hybrid

    PREPARATION, CHARACTERIZATION AND APPLICATION OF HYBRID

    PREPARATION, CHARACTERIZATION AND APPLICATION OF HYBRID POLYMER IN DYE WASTEWATER TREATMENT YEAP KIEW LEE UNIVERSITI SAINS MALAYSIA 2014 . ii PREPARATION, CHARACTERIZATION AND APPLICATION OF HYBRID POLYMER IN DYE WASTEWATER TREATMENT by YEAP KIEW LEE Thesis submitted in fulfillment of the requirements

  • flocculation in saccharomyces cerevisiae: a review

    Flocculation in Saccharomyces cerevisiae: a review

    Thus, flocculation can be seen as an off‐cost process of cell separation, which does not require energy input. As an auto‐immobilization process, flocculent yeasts can be used in high density cell reactors, which increase the efficiency of the process (Bai et al. 2008).

  • treatment of leachate by coagulation-flocculation using

    Treatment of Leachate by Coagulation-Flocculation using

    Coagulation-flocculation is widely used for wastewater treatment. This treatment is efficient and simple to operate. It have many factors can influence the efficiency, such as the type and dosage of coagulant/flocculant, pH, mixing speed and time, temperature and retention time. The optimization of these factors may influence the process

  • water treatment chemicals amcon is the solution

    Water Treatment Chemicals AMCON is the solution

    Polymer Hybrid V has great flocculation efficiency. They are suitable for various types of wastewater treatment systems, such as sludge dewatering presses, dissolved-air floatation (DAF) systems, and chemical precipitation systems. Hybrid V has anionic, cationic, non-ionic and zwitterionic coagulants. The coagulants also come in two different

  • what is coagulation/flocculation and chitosan-based

    What is coagulation/flocculation and chitosan-based

    2016-08-02· Commonly used flocculants are synthetic organic polymers with higher molecular-weight such as polyacrylamide and its derivatives for better bridging flocculation. Accordingly, the cationic polymeric flocculants usually possess dual functions of coagulation and flocculation. However, traditional inorganic coagulants and synthetic polymeric

  • preparation of a pasi-p(am-adb) hybrid flocculant

    Preparation of a PASi-P(AM-ADB) hybrid flocculant

    Flocculation results showed that this hybrid flocculant exhibited significantly higher removal efficiency than two other common flocculants, polyaluminum chloride and cationic polyacrylamide. Gratifyingly, the PASi-P(AM-ADB) can also efficiently remove refractory organic contaminants during the process of flocculation, as demonstrated by gas

  • flocculation-flotation enables anaerobic-aerobic

    Flocculation-Flotation Enables Anaerobic-Aerobic

    Hybrid centrifugal dissolved air flotation technology (The GEM System developed at CWT [see Figure 3]) provides the best of both centrifugal and dissolved air systems: efficient continuous flow mixing and in line flocculation with the nucleation and entrainment of fine dissolved air bubbles. This development has resulted in systems with

  • 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

  • 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.

  • study of al(oh)3−polyacrylamide-induced pelleting

    Study of Al(OH)3−Polyacrylamide-Induced Pelleting

    2008-11-11· A nanocomposite polymer, Al(OH)3−polyacrylamide (Al-PAM) hybrid, was tested as a flocculant. This novel hybrid polymer was found to induce pellet-like floccules, leading to a more effective solid−liquid separation than common polyacrylamide (PAM)-based flocculants. To understand the mechanism of Al-PAM-induced pelleting flocculation, the molecular structure of this hybrid polymer

  • 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

  • reactive cibacron blue dye wastewater treatment

    REACTIVE CIBACRON BLUE DYE WASTEWATER TREATMENT

    and MCPEO 1 hybrid polymer in the combined and hybrid processes 85 4.23 Percentage colour removal and COD reduction of combined and hybrid processes using MgCl 2 and MCPEO 1 hybrid polymer 86 4.24 Efficiency of (a) combined process and (b) hybrid process using various dosages of MgCl 2 and MCPEO 1 hybrid polymer for the

  • the effect of using coagulants and coagulants aid

    The effect of using Coagulants and Coagulants Aid

    Many studies were achieved in order to improve water efficiency treatment and to remove high turbidity by using Coagulants like Alum with Coagulants aid like polymers. Many researches explain the effect of these polymers on the removal of high water turbidity over the past years attempting to improve the coagulation and flocculation processes.

  • a novel flocculant of al(oh) 3 –polyacrylamide ionic hybrid

    A novel flocculant of Al(OH) 3 –polyacrylamide ionic hybrid

    2004-05-15· Read "A novel flocculant of Al(OH) 3 –polyacrylamide ionic hybrid, Journal of Colloid and Interface Science" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

  • tramfloc, inc. more than you really want to know

    TRAMFLOC, INC. More Than You Really Want To Know

    Provides more than you really want to know about polymers, water chemicals and equipment for potable, waste and process water in industrial, municipal and mining treatment systems. Over 500 formulations are available plus custom blending. Tramfloc manufactures flocculants, coagulants, water soluble polymers, emulsion breakers, dewatering agents, tailings and concentrate treatment.

  • water soluble polymers

    Water Soluble Polymers

    The charge neutralization efficiency of an electrolyte increases with its valency (the Schulze and Hardy rule). This explains the predominant use of bivalent or trivalent electrolytes for destabilizing colloidal suspensions. 8 Water Soluble Polymers Flocculation Coagulation Coagulation and flocculation

  • application of organic coagulants in water

    Application of Organic Coagulants in Water

    Natural polymers are usually mixed with inorganic coagulants to enhance their treatability efficiency, although synthetic polymers can at times be toxic to humans [11, 14, 44]. Organic polymers can easily be modified and optimized during the manufacturing process for wider application.

  • an overview of coagulation-flocculation technology

    An Overview of Coagulation-Flocculation Technology

    By Lee D. Wilson, PhD. Background. Coagulation is an essential chemical-driven process in water and wastewater treatment, as evidenced by widespread use of such technology in food/beverage production, remediation of mine tailings, petroleum refining and secondary treatment of drinking water. In rural communities and developing countries, coagulant-flocculant systems are used as an efficient

  • viscometric and morphological properties of novel

    Viscometric and Morphological Properties of Novel

    2013-01-15· The viscometric properties of novel magnesium electrolyte–polyacrylamide composite polymers in aqueous solutions were investigated using

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