• Media type: E-Article
  • Title: Anwendung von Tensiden bei der mechanischen Flüssigkeitsabtrennung
  • Contributor: Kaiser, Manfred; Burg, Birgit; Köster, Rita; Schreck, Berthold
  • imprint: Wiley, 1993
  • Published in: Chemie Ingenieur Technik
  • Language: English
  • DOI: 10.1002/cite.330651006
  • ISSN: 0009-286X; 1522-2640
  • Keywords: Industrial and Manufacturing Engineering ; General Chemical Engineering ; General Chemistry
  • Origination:
  • Footnote:
  • Description: <jats:title>Abstract</jats:title><jats:p><jats:bold>Use of Surfactants for Mechanical Liquid Separation</jats:bold>. Mechanical dewatering of finegrained solid materials can be improved by the addition of surfactants. As interface‐active substances surfactants reduce surface tension and consequently the capillary forces within the bed of solid particles. A hydrophobization of the solid surface due to the adsorption of surfactants may contribute to further reduction of moisture as well. The development of non‐foaming surfactants enables the use without distrubing other ongoing processes by the formation of foam. Investigations on the interaction between the adsorption behaviour, type of material surface, and contact time during dewatering processes support the optimization of dewatering agents. The use of surfactants is an attractive means of improving or replacing other methods of mechanical dewatering.</jats:p>