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Journal > Jurnal Bahan Alam Terbarukan > PREPARATION OF SPENT BLEACHING EARTH-SUPPORTED CALCIUM FROM LIMESTONE AS CATALYST IN TRANSESTERIFICATION OF WASTE FRYING OIL

 

Jurnal Bahan Alam Terbarukan
Vol 6, No 1 (2017): June 2017 [Nationally Accredited]
PREPARATION OF SPENT BLEACHING EARTH-SUPPORTED CALCIUM FROM LIMESTONE AS CATALYST IN TRANSESTERIFICATION OF WASTE FRYING OIL
Hindryawati, Noor ( Jurusan Kimia, Fakultas Matematika dan Ilmu Pengetahuan alam, Universitas Mulawarman)
Daniel, Daniel ( Jurusan Kimia, Fakultas Matematika dan Ilmu Pengetahuan alam, Universitas Mulawarman)
Erwin, Erwin ( Jurusan Kimia, Fakultas Matematika dan Ilmu Pengetahuan alam, Universitas Mulawarman)
Maniam, Gaanty Pragas ( Faculty of Industrial Sciences and Technology, Universiti Malaysia Pahang, Lebuhraya Tun Razak, 26300 Gambang, Kuantan, Pahang, Malaysia Central Laboratory, Universiti Malaysia Pahang, Lebuhraya Tun Razak, 26300 Gambang, Kuantan, Pahang, Malaysi)
Article Info   ABSTRACT
Published date:
27 May 2017
 
An investigation was conducted on palm oil refinery waste-spent bleaching earth (POR-SBE), POR-SBE supported by calcium as catalysts for methyl esters production through transesterification process using waste frying oil. The catalysts showed longer lasting activity than the traditional alkali catalysts. The optimum conditions for the process were: Ca-POR-SBE catalyst amount 7 %; methanol to oil molar ratio 12:1; and a reaction duration is 4 h. The process was able to transesterify oil to methyl esters at 96.8 % conversion at 65 °C. The catalysts were easily separated from the reaction mixture and the final product met selected biodiesel fuel properties in accordance with European Standard EN 14214.
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