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Preparations of Novel Flocculants and its Applications in the Paper-making Wastewater

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Published/Copyright: April 11, 2013
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Tenside Surfactants Detergents
From the journal Tenside Surfactants Detergents Volume 48 Issue 4

Abstract

Functional monomer [N-(2,4,4-trimethylpentan-2-yl)acrylamide] was synthesized and characterized by MS and NMR. A series of high molecular weight cationic polyacrylamides were prepared with N-(2,4,4-trimethylpentan-2-yl)acrylamide, acrylamide and methacryloxyethyltrimethyl ammonium chloride by copolymerization using complex initiation systems as catalysts in aqueous solution. Then they used as flocculants to treat the paper-making wastewater. The removal of the colour and the chemical oxygen demand (COD) in the treated waste water samples were determined. Results showed that flocculants could efficiently remove the color and the COD. The overall color and COD removal efficiencies reached as high as 80% and 85%, respectively.

Kurzfassung

Das funktionelle Monomer N-(2,4,4-trimethylpentan-2-yl)acrylamid wurde synthetisiert und mittels MS und NMR charakterisiert. Eine Reihe hoch molekularer kationischer Polyacylamide wurde hergestellt, indem N-(2,4,4-trimethylpentan-2-yl)acrylamid, Acrylamid und Methacryloxyethyltrimethylammoniumchlorid einer Copolymerisation unterworfen wurden. Die Copolymerisation wurde durch Zugabe eines komplexen wässrigen Katalysatorsystems gestartet. Die erhaltenen Polyacylamide wurden als Flockungsmittel zur Behandlung von Abwasser aus der Papierherstellung eingesetzt. Die Entfärbung und chemische Sauerstoffbedarf (CSB) der behandelten Abwasserproben wurden bestimmt. Die Ergebnisse zeigen, dass die Flockungsmittel sehr effizient bei der Färbung und beim COD sind. Die totale Entfärbung betrug 80% und der CSB-Wert erreichte 85%.

Key words:: Cationic polyacrylamide; functional monomer; flocculant; paper-making wastewater
Stichwörter:: Kationisches Polyacrylamid; funktionelles Monomer; Flockungsmittel; Abwasser aus der Papierherstellung
∗ Zhao Feng, Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science & Technology Normal University Nanchang, 330013, P.R. China, Tel.: 08607913805183, Fax: 08607913805183. E-Mail:

Dr. Feng Zhao was born in February 1975. He completed his Post Graduation in 1996. After completing his Ph.D. in 2005 from University of Suzhou, Jiangsu. He is at present working as Professor in Jiangxi Science and Technology Normal University, Nanchang (Jiangxi).

Jing L. He was born in August 1958. He completed his Post Graduation in 1982 from Jiangxi University, Jiangxi. He is at present working as manger in Jiangxi Province Torch High Technology Development Corporation, Nanchang (Jiangxi).

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Received: 2010-07-24
Published Online: 2013-04-11
Published in Print: 2011-07-01

© 2011, Carl Hanser Publisher, Munich

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  2. Contents
  3. Abstracts
  4. Abstracts
  5. Analytical Chemistry
  6. Biosurfactant in Planar Chromatography of Transition Metal Ions: Mixed Micelles Activated Separations
  7. Novel Surfactants
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  13. Synthesis, Characterization and Surface Activity of Trioctyl Hydroxyethyl Ammonium Chloride
  14. Physical Chemistry
  15. Physicochemical Properties of Cetyltributylphosphonium Bromide in the Presence of Additives
  16. Conductometry and Thermodynamic Study of Micellization of Cetyltrimethylammonium Bromide in Mixed Solvents Containing Dilute Electrolyte Solutions
  17. Environmental Chemistry
  18. Preparations of Novel Flocculants and its Applications in the Paper-making Wastewater
https://doi.org/10.3139/113.110138
Keywords for this article
Cationic polyacrylamide; functional monomer; flocculant; paper-making wastewater

Articles in the same Issue

  1. Contents/Inhalt
  2. Contents
  3. Abstracts
  4. Abstracts
  5. Analytical Chemistry
  6. Biosurfactant in Planar Chromatography of Transition Metal Ions: Mixed Micelles Activated Separations
  7. Novel Surfactants
  8. Synthesis and Properties of Lactobionamide-Based Polysiloxane Surfactant
  9. Structural Elucidation and Surfactant Properties of Rhamnolipids Synthesized by Pseudomonas aeruginosa (ATCC 10145) on Sweet Water as Carbon Source and Stabilization Effect on Foam Produced by Sodium Lauryl Sulfate
  10. Synthesis of Bisphosphodiester Surfactants Derived from Tetradecanol and Different Methylene Chains as a Spacer Derived from α-ω-Alkyl Dibromides
  11. Synthesis
  12. Synthesis, Characterization, and Kinetic Study of Two New Cationic Surfactants
  13. Synthesis, Characterization and Surface Activity of Trioctyl Hydroxyethyl Ammonium Chloride
  14. Physical Chemistry
  15. Physicochemical Properties of Cetyltributylphosphonium Bromide in the Presence of Additives
  16. Conductometry and Thermodynamic Study of Micellization of Cetyltrimethylammonium Bromide in Mixed Solvents Containing Dilute Electrolyte Solutions
  17. Environmental Chemistry
  18. Preparations of Novel Flocculants and its Applications in the Paper-making Wastewater
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