• flocculation/sterilization dual-function starch-based

    Flocculation/sterilization dual-function starch-based

    2016-10-06· Many kinds of efficient starch-based flocculants have been developed for water treatment because they are inexpensive, biodegradable, shear stable, and effective. However, little work has been reported regarding dual-function starch-based flocculants, and their widespread use need experimental validation in field operation.

  • preparation of dual-function starch-based flocculants

    Preparation of dual-function starch-based flocculants

    A dual-function starch-based flocculant (CMS-g-APAM) was designed and prepared.CMS-g-APAM can simultaneously remove turbidity and inhibit Escherichia coli in water.Simple charge neutralization is the dominant mechanism of flocculation. • CMS-g-APAM can partially destruct the cell wall of E. coli.

  • preparation of dual-function starch-based flocculants

    Preparation of dual-function starch-based flocculants

    Download Citation Preparation of dual-function starch-based flocculants for the simultaneous removal of turbidity and inhibition of E. coli in water A dual-function starch-based flocculant

  • dual functionality of a graft starch flocculant

    Dual functionality of a graft starch flocculant

    However, little work has been reported regarding dual-function starch-based flocculants (Huang et al., 2016a, Huang et al., 2016b), and their widespread use need experimental validation in field operation. In particular, in-depth study of the synergistic mechanisms would further provide a theoretical basis for research and development of dual

  • dual functionality of a graft starch flocculant

    Dual functionality of a graft starch flocculant

    2018-02-02· Many kinds of efficient starch-based flocculants have been developed for water treatment because they are inexpensive, biodegradable, and effective. However, little work has been reported regarding dual-function starch-based flocculants, and their widespread use need experimental validation in field operation. Grafted quaternary ammonium salt

  • evaluation of the starch-based flocculants on flocculation

    Evaluation of the starch-based flocculants on flocculation

    In comparison to the inorganic coagulants and the synthesized organic polymeric flocculants, the toxicity of the generated sludge after flocculation of hairwork wastewater using the starch-based flocculants should not be worse, since their starch backbone was biodegradable.

  • evaluation of structural effects on the flocculation

    Evaluation of structural effects on the flocculation

    The molecular structure of a material substantially determines its final application performance. In this work, a series of starch-based flocculants with different charge densities and average graft chain lengths were prepared by the co-graft polymerization of acrylamide and [(2-methacryloyloxyethyl) trimethyl ammonium chloride] (St-g-PAM-co-PDMC).

  • synthesis and characterization of starch-based cationic

    Synthesis and Characterization of Starch-based Cationic

    Synthesis and Characterization of Starch-based Cationic Flocculants for Harvesting Microalgae A THESIS SUBMITTED TO THE FACULTY OF THE GRADUATE SCHOOL OF THE UNIVERSITY OF MINNESOTA BY Liang Li IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF SCIENCE Advisor: Roger Ruan August, 2012

  • flocculation/sterilization dual-function starch-based

    Flocculation/sterilization dual-function starch-based

    Many kinds of efficient starch-based flocculants have been developed for water treatment because they are inexpensive, biodegradable, shear stable, and effective. However, little work has been reported regarding dual-function starch-based flocculants, and their widespread use need experimental validation in field operation. Considering that

  • dual functionality of a graft starch flocculant

    Dual functionality of a graft starch flocculant

    A dual-function starch-based flocculant, carboxymethyl-starch-graft-aminomethylated-polyacrylamide (CMS-g-APAM), was designed and prepared by a simple method. The structure and solution properties

  • dual functionality of a graft starch flocculant

    Dual functionality of a graft starch flocculant

    A dual-function starch-based flocculant, carboxymethyl-starch-graft-aminomethylated-polyacrylamide (CMS-g-APAM), was designed and prepared by a simple method. The structure and solution properties

  • evaluation of the starch-based flocculants on flocculation

    Evaluation of the starch-based flocculants on flocculation

    Evaluation of the starch-based flocculants on flocculation of hairwork wastewater Article in Science of The Total Environment 601-602:1628-1637 · December 2017 with 55 Reads How we measure 'reads'

  • flocculation and antimicrobial properties of a cationized

    Flocculation and antimicrobial properties of a cationized

    A dual-function starch-based flocculant, carboxymethyl-starch-graft-aminomethylated-polyacrylamide (CMS-g-APAM), was designed and prepared by a simple method. The structure and solution properties

  • evaluation of structural effects on the flocculation

    Evaluation of structural effects on the flocculation

    Request PDF Evaluation of structural effects on the flocculation performance of a co-graft starch-based flocculant The molecular structure of a material substantially determines its final

  • template for the collection of cp highlights and tools

    Template for the collection of CP highlights and tools

    Template for the collection of CP highlights and tools Name based ionic flocculants Water treatment with starch Visualisation Purpose / Goal (300 characters) Water treatment plants apply cationic and anionic polymers. A Hungarian micro enterprise developed and produces starch based ionic flocculants.

  • 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

  • starch based anionic and cationic flocculants cleaner

    Starch based anionic and cationic flocculants Cleaner

    A Hungarian micro enterprise developed and produces starch based anionic and cationic flocculants. These starch based polymers use renewable raw materials and are environmentally degradable after usage. Such flocculants are useful in drinking water treatment plants. They may also be combined with inorganic salts (for example poly- aluminium

  • dual functionality of a graft starch flocculant

    Dual functionality of a graft starch flocculant

    developed and optimized to enable widespread use of the prepared dual-function starch-based flocculants in water treatment. Mu Huang, Zhouzhou Liu, Aimin Li, Hu Yang State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing

  • evaluation of structural effects on the flocculation

    Evaluation of structural effects on the flocculation

    The molecular structure of a material substantially determines its final application performance. In this work, a series of starch-based flocculants with different charge densities and average graft chain lengths were prepared by the co-graft polymerization of acrylamide and [(2-methacryloyloxyethyl) trimethyl ammonium chloride] (St-g-PAM-co-PDMC). The flocculation performance of St-g-PAM-co

  • cationic cellulose nanocrystals (cncs) for organic

    Cationic Cellulose Nanocrystals (CNCs) for Organic

    Cellulose nanocrystals were modified for use as novel flocculants by taking advantage of the extended cationic polymeric chains on CNCs. They were evaluated using both organic colloids and inorganic bentonite clay particles. For the flocculation of organic colloids, cellulose nanocrystals (CNCs) were grafted with N-N-(dimethylamino) ethyl methacrylate (DMAEMA), 4-vinylpyridine (4VP) and

  • cationic starch flocculants as an alternative to synthetic

    Cationic starch flocculants as an alternative to synthetic

    2014-04-02· Researchers have identified a number of natural flocculants, polysaccharides and polysaccharide derivatives in particular, as candidates for dewatering applications. In this study, the dewatering performance of four soils (sand, silt, kaolin, and natural organic soil) was evaluated with synthetic and starch-based flocculants.

  • flocculation of escherichia coli using a quaternary

    Flocculation of Escherichia coli Using a Quaternary

    Preparation of dual-function starch-based flocculants for the simultaneous removal of turbidity and inhibition of Escherichia coli in water. Water Research 2016, 98, 128-137. DOI: 10.1016/j.watres.2016.04.009. Wen-jing Ren, Ai-qing Zhang, Si-yong Qin, Zhen-ke Li.

  • screening of chitosans and conditions for bacterial

    Screening of Chitosans and Conditions for Bacterial

    2000-11-29· Preparation of dual-function starch-based flocculants for the simultaneous removal of turbidity and inhibition of Escherichia coli in water. Water Research 2016, 98, 128-137. DOI: 10.1016/j.watres.2016.04.009. Ran Yang, Haijiang Li, Mu Huang, Hu Yang, Aimin Li. A review on chitosan-based flocculants and their applications in water treatment.

  • fabrication of bifunctional chitosan-based flocculants

    Fabrication of Bifunctional Chitosan-Based Flocculants

    The research on flocculants synthesized on the basis of chitosan has become more and more accessible, and these prepared flocculants based on chitosan have been used in heavy metal removal and sludge dewatering [26,27] However, few studies have reported on the synthesis of chitosan-based flocculants with a dual function, and their wide

  • zhen yang school of chemistry and materials science

    Zhen Yang School of Chemistry and Materials Science

    Synthesis of amphoteric starch-based grafting flocculants for flocculation of both positively and negatively charged colloidal contaminants from water. Chemical Engineering Journal, 2014, 244, 209-217 09) Z Yang, H Yang, Z Jiang, T Cai, H Li, H Li, A Li, R Cheng. Flocculation of both anionic and cationic dyes in aqueous solutions by the

  • magnetic flocculants synthesized by fe 3 o 4 coated with

    Magnetic flocculants synthesized by Fe 3 O 4 coated with

    A novel magnetic flocculant (CPAMF) was synthesized by using Fe 3 O 4 coated with cationic polyacrylamide (CPAM) for flocculation of high turbid water. The surface morphology and chemical structures of CPAMF were confirmed by Fourier transform infrared spectroscopy (FTIR) and thermo-gravimetric analysis (TGA).

  • screening of chitosans and conditions for bacterial

    Screening of Chitosans and Conditions for Bacterial

    Chitosans with different chemical compositions and molecular weights have been evaluated as flocculants of Escherichia coli suspensions. The flocculation performance of chitosans at different conditions (pH, ionic strength) was followed by residual turbidity measurements. For precise comparison, the chitosan concentrations corresponding to 75% flocculated bacteria (x75) were calculated from a

  • flocculants used in drinking wayer

    flocculants used in drinking wayer

    For example, a flocculant may be used in swimming pool or drinking water filtration to aid removal of microscopic particles which would otherwise cause the water to be turbid (cloudy) and which would be difficult or impossible to remove by filtration alone. Many flocculants are multivalent cations such as aluminium, iron, calcium or magnesium.

  • digital library

    Digital Library

    Preparation of dual-function starch-based flocculants for the simultaneous removal of turbidity and inhibition of Escherichia coli in water Water Research 2016 98 Adsorption of multi-heavy metals onto water treatment residuals: Sorption capacities and applications Chemical

  • mathieu lapointe frqnt postdoctoral fellow mcgill

    Mathieu Lapointe FRQNT Postdoctoral Fellow McGill

    Intrinsic flocculant characteristics such as the molecular weight, charge density, and spatial molecular configuration are of importance during water flocculation by interparticle bridging. In this review, synthetic vs. natural flocculants are compared and the polymers’ respective advantages/disadvantages are listed. The different functional

  • screening of chitosans and conditions for bacterial

    Screening of Chitosans and Conditions for Bacterial

    Chitosans with different chemical compositions and molecular weights have been evaluated as flocculants of Escherichia coli suspensions. The flocculation performance of chitosans at different conditions (pH, ionic strength) was followed by residual turbidity measurements. For precise comparison, the chitosan concentrations corresponding to 75% flocculated bacteria (x75) were calculated from a

  • flocculants used in drinking wayer

    flocculants used in drinking wayer

    For example, a flocculant may be used in swimming pool or drinking water filtration to aid removal of microscopic particles which would otherwise cause the water to be turbid (cloudy) and which would be difficult or impossible to remove by filtration alone. Many flocculants are multivalent cations such as aluminium, iron, calcium or magnesium.

  • mathieu lapointe frqnt postdoctoral fellow mcgill

    Mathieu Lapointe FRQNT Postdoctoral Fellow McGill

    Intrinsic flocculant characteristics such as the molecular weight, charge density, and spatial molecular configuration are of importance during water flocculation by interparticle bridging. In this review, synthetic vs. natural flocculants are compared and the polymers’ respective advantages/disadvantages are listed. The different functional

  • digital library

    Digital Library

    Preparation of dual-function starch-based flocculants for the simultaneous removal of turbidity and inhibition of Escherichia coli in water Water Research 2016 98 Adsorption of multi-heavy metals onto water treatment residuals: Sorption capacities and applications Chemical

  • modeling and optimization of the

    Modeling and Optimization of the

    Natural coagulants have received much attention for turbidity removal, thanks to their environmental friendliness. The present study investigates potential application of rice starch for removal of turbidity from aqueous solutions. It considers the effects of four main factors, namely settling time (40-140 min), pH (2-8), slow stirring speed (20-60 rpm), and rice starch dosage (0-200 mg/L

  • curriculum vitae

    CURRICULUM VITAE

    22 March 2018 CURRICULUM VITAE Professor João B.P. Soares, PhD, FCIC, FCAE, PEng Tier I Canada Research Chair in Advanced Polymer Reaction Engineering

  • production and application of environment-friendly starch

    Production and application of environment-friendly starch

    Our first results are related to starch based anionic flocculants. A new product was developed that can be applied in the drinking water treatment as coagulant aid together with Al– or Fe-salt coagulants. This flocculant is a starch phosphate with very low P-content (0.6 %). It can replace the commonly used synthetic flocculants, the dosage is

  • multifunctional water-soluble polymers for dewatering

    Multifunctional Water-Soluble Polymers for Dewatering

    Multifunctional Water-Soluble Polymers for Dewatering of Oil Sands Tailings by Sarang Prakash Gumfekar A thesis submitted in partial fulfillment of the requirements for the degree of

  • processes free full-text flocculation of a high

    Processes Free Full-Text Flocculation of a High

    Flocculants are divided into two categories according to the different materials: one is inorganic coagulants, such as aluminum sulfate, poly (ferric chloride) and poly (aluminum chloride) [], which have been used in high-turbidity water purification.However, the application of inorganic coagulants in high-turbidity water treatment is restricted by the excessive amount needed, the uneconomical

  • hu yang's livedna profile

    Hu Yang's LiveDNA Profile

    Dr. Hu Yang is currently working as Professor at Nanjing University, China. He has completed his Ph.D. in Environmental Engineering from same University and Postdoctoral Fellow at Institute for Chemical Research of Kyoto University in Japan. His area of research work is focused on the basic research about the Application of Polymeric Materials in Water Treatment, after suitable modification by

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