4.7 Article

Bentonites modified with anionic and cationic surfactants for bleaching of crude palm oil

Journal

APPLIED CLAY SCIENCE
Volume 47, Issue 3-4, Pages 462-464

Publisher

ELSEVIER
DOI: 10.1016/j.clay.2009.11.037

Keywords

Organo-bentonite; Bleaching; Palm oil

Funding

  1. National Taiwan University of Science and Technology-Widya Mandala Surabaya Catholic University [RP09-01]
  2. Directorate General of Higher Education Republic of Indonesia [676/SP2H/PP/DP2MNII/2009]

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Bentonite Pacitan was modified with cetyl trimethylammonium bromide (CTAB) and LAS for bleaching crude palm oil. The organo-bentonites were prepared by normal heating and microwave irradiation. The advantage of using microwave irradiation is time efficiency. The bentonites were characterized by FTIR and XRD analysis. LAS modified bentonite was more effective as bleaching agent than CTA-bentonite. (C) 2009 Elsevier B.V. All rights reserved.

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