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Adsorptive Removal of Sulfur from Canola Oil

✍ Scribed by Cho-Ah-Ying, F. ;Deman, J. M.

Publisher
John Wiley and Sons
Year
1991
Weight
399 KB
Volume
93
Category
Article
ISSN
0931-5985

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✦ Synopsis

The presence of sulfur compounds in canola oil is mainly responsible for nickel catalyst poisoning during hydrogenation. In this study, different adsorbents (alumina, alumina-silicate, diatomaceous silica and silica gel) were used in conjunction with different bleaching earths (AOCS official natural bleaching earth, G 160 from Harshaw-Filtrol and montmorillonite K10 from Aldrich Chemical Co.) to remove the three types of sulfur compounds [total sulfur (TS), h e y nickel sulfur (RS) and volatile sulfur (VS)] from canola oil. The TS content of the oil was not affected during bleaching. The AOCS bleaching earth removed 28.6-36.4% RS and 57.8-78.90/0 VS in the bleaching temperature range of 12O-15O0C. The some bleaching earth, in combination with 6 % TriSyl (micronized silicon dioxide

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