Startseite Naturwissenschaften Selection of Surfactants on the Basis of Foam and Emulsion Properties to Obtain the Fire Fighting Foam and the Degreasing Agent
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Selection of Surfactants on the Basis of Foam and Emulsion Properties to Obtain the Fire Fighting Foam and the Degreasing Agent

  • Joanna Rakowska , Katarzyna Radwan , Zuzanna Ślosorz , Bożenna Porycka und Małgorzata Norman
Veröffentlicht/Copyright: 1. Mai 2013
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Tenside Surfactants Detergents
Aus der Zeitschrift Tenside Surfactants Detergents Band 51 Heft 3

Abstract

Colloidal systems containing droplets or bubbles are important for a wide variety of practical products and industrial processes i. e. control of filtration, cleaning emulsions, fire extinguishing foams, preparing foods or formulating personal care products. The study investigates the structure and stability of foam and emulsion obtained from different surfactants used as a potential compounds of fire fighting agent or removal of chemicals. The optical microscope Olympus BX51 (USA) for purpose of structure observation was used. The foamability of micellar surfactant solutions was tested with perforated disc beating method. Emulsions were prepared with 0.05 – 5 % solution of surfactants and diesel oil. The stability was monitored by measuring the volume of separated phases and recorded after 30 min since the homogenization was performed. The foamability as well as emulsion stability of the surfactant solutions depends on the chemical character of compounds.

Kurzfassung

Kolloidale Systeme, die Tröpfchen oder Bläschen enthalten, sind für eine Vielzahl technischer Produkte und Industrieverfahren wie Filtrationskontrolle, Reinigungsemulsionen, Feuerlöschschäumen, Lebensmittelherstellung und Formulierung von Körperpflegeprodukten von Bedeutung. In dieser Studie werden die Struktur und die Stabilität von Schäumen und Emulsionen untersucht, die mit verschiedenen Tensiden erzeugt wurden. Bei den verwendeten Tensiden handelte es sich um potenzielle Verbindungen, die in Feuerlöschmitteln und zur Entfernung von Chemikalien eingesetzt werden können. Die Strukturbeobachtungen erfolgten mit dem optischen Mikroskop Olympus BX51 (USA). Die Schäumbarkeit der mizellaren Tensidlösungen wurde mithilfe der Schlagschaummethode (Lochplatte) untersucht. Die Emulsionen wurden aus 0.05 – 5 %igen Tensidlösungen und Dieselöl hergestellt. Die Stabilität wurde bestimmt, indem man die Volumina der getrennten Phasen 30 Minuten nach Durchführungen der Homogenisierung gemessen hat. Das Schäumvermögen und die Emulsionsstabilität hingen vom chemischen Charakter der Verbindungen ab.

Key words: Degreasing agent; emulsion; foam; surfactant solution
Stichwörter: Entfettungsmittel; Emulsion; Schaum; Tensidlösung
* Correspondence address Dr. Inż. Joanna Rakowska, ul. Nadwiślańska 213, 05-420 Józefów, Poland, Tel.: +48-2 27 69 32 45, E-Mail:

Joanna Rakowska graduated from Warsaw University of Technology. She has a Ph. D. in chemical technology and she is currently a scientific and technical specialist at the Chemical and Fire Testing Department of Scientific and Research Centre of Fire Protection. Her research work is related with characterization and application of extinguishing and neutralizing agents.

Katarzyna Radwan graduated from J. Kochanowski University and she is PhD student at Poznań University of Technology. Since 2009 she has been working as a scientific and technical specialist at the Chemical and Fire Testing Department of Scientific and Research Centre of Fire Protection.

Zuzanna Ślosorz graduated from Poznań University of Technology in 2011. Since then she has been working at Chemical and Fire Testing Department of the Scientific and Research Centre of Fire Protection.

Bożenna Porycka was received her B. Sc. from University of Warsaw – Faculty of Chemistry. She has been working at Chemical and Fire Testing Department of the Scientific and Research Centre of Fire Protection. Her interests are focused on properties and applications of surfactant solutions as extinguishing agents.

Małgorzata Norman graduated from Poznań University of Technology in 2013. She is PhD student at the Faculty of Chemical Technology.

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Received: 2014-01-30
Revised: 2014-02-24
Published Online: 2013-05-01
Published in Print: 2014-05-15

© 2014, Carl Hanser Publisher, Munich

Artikel in diesem Heft

  1. Contents/Inhalt
  2. Contents
  3. Abstracts
  4. Abstracts
  5. Review Article
  6. Arginine Based Novel Cationic Surfactants: A Review
  7. Application
  8. Selection of Surfactants on the Basis of Foam and Emulsion Properties to Obtain the Fire Fighting Foam and the Degreasing Agent
  9. Negative Synergistic Effect on Foaming in Body Care Products with Silicone Oil and the Needle-Like Crystal of Ethylene Glycol Distearate
  10. Technical Chemistry
  11. Wetting Ability in Aqueous Mixtures of Amine Oxide with Anionic and Nonionic Surfactants
  12. Environmental Chemistry
  13. Validation of an HPLC Method for Determining log Pow Values of Surfactants
  14. Removal of Lead From Aqueous Media Using Carbonized and Acid Treated Orange Peel
  15. Corrosion and Scale Inhibition Properties by Phosphate-free and Nitrogen-free Scale Inhibitor in Cooling Water System
  16. Preparation and Application of Fluorescent-tagged Inhibitor for Calcium Phosphate and Iron(III) Hydroxide Scales in Industrial Cooling Water Systems
  17. Novel Surfactants
  18. Effect of Tuned Head Polarity of Cetyl Trimethyl Ammonium Bromide on their Physicochemical Properties
  19. Physical Chemistry
  20. Aggregation Behavior of PEO-PPO-PEO Tri-Block Copolymer (Pluronic®L64) in Nonionic Surfactant Additives Environment
  21. Surfactant Processing
  22. Solidification of Surfactants and Detergents to Dust-Free Free Flowing Pastilles
https://doi.org/10.3139/113.110300
Schlagwörter für diesen Artikel
Degreasing agent; emulsion; foam; surfactant solution

Artikel in diesem Heft

  1. Contents/Inhalt
  2. Contents
  3. Abstracts
  4. Abstracts
  5. Review Article
  6. Arginine Based Novel Cationic Surfactants: A Review
  7. Application
  8. Selection of Surfactants on the Basis of Foam and Emulsion Properties to Obtain the Fire Fighting Foam and the Degreasing Agent
  9. Negative Synergistic Effect on Foaming in Body Care Products with Silicone Oil and the Needle-Like Crystal of Ethylene Glycol Distearate
  10. Technical Chemistry
  11. Wetting Ability in Aqueous Mixtures of Amine Oxide with Anionic and Nonionic Surfactants
  12. Environmental Chemistry
  13. Validation of an HPLC Method for Determining log Pow Values of Surfactants
  14. Removal of Lead From Aqueous Media Using Carbonized and Acid Treated Orange Peel
  15. Corrosion and Scale Inhibition Properties by Phosphate-free and Nitrogen-free Scale Inhibitor in Cooling Water System
  16. Preparation and Application of Fluorescent-tagged Inhibitor for Calcium Phosphate and Iron(III) Hydroxide Scales in Industrial Cooling Water Systems
  17. Novel Surfactants
  18. Effect of Tuned Head Polarity of Cetyl Trimethyl Ammonium Bromide on their Physicochemical Properties
  19. Physical Chemistry
  20. Aggregation Behavior of PEO-PPO-PEO Tri-Block Copolymer (Pluronic®L64) in Nonionic Surfactant Additives Environment
  21. Surfactant Processing
  22. Solidification of Surfactants and Detergents to Dust-Free Free Flowing Pastilles
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