Journal
NEW JOURNAL OF CHEMISTRY
Volume 40, Issue 10, Pages 8704-8709Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6nj01461e
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Funding
- Universiti Malaysia Pahang [GRS 130350]
- Malaysian Palm Oil Board (GSAS)
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In the present work, a new catalyst system composed of copper oxide nanoparticles (CuO-nano) along with a conventional homogeneous base catalyst (NaOH) for the glycerolysis of palm oil to produce monoglycerides (MG) was proposed. CuO-nano was synthesized in glycerol and directly used in the glycerolysis reactions, which formed a pseudo-homogeneous system. The production of MG and diglycerides (DG) from oil was monitored by using H-1-NMR, C-13-NMR and HPLC. When compared with the conventional NaOH catalyst, CuO-nano used alone showed less activity, but adding NaOH to the CuO-nano exhibited a synergistic effect by increasing the MG yield significantly. The oil conversion, MG and DG yield were achieved at 95, 71 and 24%, respectively, for the new catalyst system composed of CuO-nano and NaOH. The mechanism of the glycerolysis reaction over CuO-nano and NaOH was elucidated.
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