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Determination of partially hydrolyzed polyacrylamide in wastewater produced from polymer flooding by colloid titration

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Published/Copyright: April 19, 2013
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Journal of Polymer Engineering
From the journal Journal of Polymer Engineering Volume 33 Issue 4

Abstract

Colloid titration has been widely used to determine the charge carried by macromolecules and the concentration of anionic and cationic polyelectrolytes in paper making and food service industries. This method is simple and the materials used are non-volatile and harmless, but it has not previously been used to determine the partially hydrolyzed polyacrylamide (HPAM) in wastewater produced from polymer flooding. In this paper, colloid titration was used to determine the HPAM in wastewater produced from polymer flooding in an oilfield. When the HPAM concentration (Cp) was <200 mg/l, the relationship between the Cp and the titration value (Vp) was linear. This linear relationship was influenced by the pH of wastewater and the hydrolysis degree of HPAM; Vp increased with the pH and the hydrolysis degree. However, it was independent of the concentration of solubilized crude oil and salt concentration in the wastewater and the molecular weight of the HPAM. Recovery tests showed that the determination of HPAM in the wastewater by colloid titration was reliable. It was also found that the colloid titration and starch iodide method had similar accuracies for determination of the HPAM and that colloid titration was a better method for the analyst.

Keywords: colloid titration; polyacrylamide; polymer flooding; wastewater
Corresponding author: Shenwen Fang, School of Chemistry and Chemical Engineering, Southwest Petroleum University, 8 Xindu Avenue, Xindu District, Chengdu, Sichuan 610500, China

This work was financially supported by the Key Technologies R&D Program of China (No. 2011ZX05024-004-10) and Science fund for Young Talent Training of Sichuan province (No. 2011JQ0045).

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Received: 2012-12-30
Accepted: 2013-3-20
Published Online: 2013-04-19
Published in Print: 2013-07-01

©2013 by Walter de Gruyter Berlin Boston

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https://doi.org/10.1515/polyeng-2012-0179
Keywords for this article
colloid titration; polyacrylamide; polymer flooding; wastewater

Articles in the same Issue

  1. Masthead
  2. Masthead
  3. Review
  4. Considerations for the design of polymeric biodegradable products
  5. Original articles
  6. Study on copolymers synthesized from 2,3-epoxypropyl-3-(2-furyl) acrylate – styrene and their glass fiber reinforced composites
  7. Proton conducting polymer electrolytes based on PVdF-PVA with NH4NO3
  8. Preparation of starch-based styrene acrylate emulsion used as surface-treatment agent for decorative base paper
  9. Thermal degradation kinetics and mechanism of epoxidized natural rubber
  10. The thermal degradation behavior of meta- and para- hetero-amide fibers by TGA-FTIR
  11. Determination of partially hydrolyzed polyacrylamide in wastewater produced from polymer flooding by colloid titration
  12. Mechanical, electrical and tribological properties of graphite filled polyamide-6 composite materials
  13. Modification and improvement of acrylic emulsion paints by reducing organic raw materials and using silica nanocomposite
  14. Preparation and characterization of positively charged polysulfone nanofiltration membranes
  15. Contribution of rice husk ash to the performance of polymer mortar and polymer concrete
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