Effects of temperature and cooling modes on yield, purity and particle size distribution of dihydroxystearic acid crystals

European Journal of Scientific Research

Volumn 33, Issue 3, 2009, Pages 471-479

  Abidin, Sumaiya Zainal ^a   Ling, Gregory Koay Feng ^b   Abdullah, Luqman Chuah ^c   Ahmad, Salmiah ^d   Yunus, Robiah ^c   Choong, Thomas S Y ^c  

^a UNIVERSITY MALAYSIA PAHANG   (Malaysia)

^b Mewah Oils and Fats Pte Ltd   (Singapore)

^c UNIVERSITY PUTRA MALAYSIA   (Malaysia)

^d MALAYSIAN PALM OIL BOARD   (Malaysia)

Author keywords

Agglomeration; Crystal size distribution; Crystallization; Dihydroxystearic acid; Purification

Indexed keywords

EID: 68349160457     PISSN: 1450216X     EISSN: 1450202X     Source Type: Journal    
DOI: None     Document Type: Article

References (6)

1. Awang, R., Ahmad, S. and Ghazali, R. (2001). "Properties of sodium soap derived from palmbased dihydroxystearic acid" Journal of Palm Oil Research 13(2): 33-38.
2. Ismail Z., Ahmad S., Ismail R., Rigano L. 2006. "The advantages of palm-based dihydroxy stearate in deodorant sticks" Journal of Dispersion Science and Technology 27, pp. 463-467.
3. Roila, A., Salmiah, A. and Kang, Y. B. 1998. "Preparation of dihydroxy fatty acid from oleic acid" Malaysian Patent 9804456.
4. Koay G.F.L., Abdullah L.C., Yunus R., Thomas Choong S.Y., Siwayanan P., Ahmad S. 2006. "Crystallization of dihydroxystearic acid produced from commercial grade palm oil based crude oleic acid employing isopropyl alcohol as solvent" International Journal of Engineering and Technology. 3, pp.115-124.
5. Timms R.1985. PORIM Palm and Palm Kernel Oil Processing Course Monograph, Malaysian Palm Oil Board, Kuala Lumpur, p.10.
6. Saito N., Yokota M., Fujiwara T., Kubota N. 2000. "Liquid inclusions in crystals produced in suspension crystallization" Chemical Engineering Journal 79(1), pp. 53-59.