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Journal > Jurnal Rekayasa Kimia & Lingkungan > Pengembangan Membran Magnesol untuk Pemurnian Biodiesel

 

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Jurnal Rekayasa Kimia & Lingkungan
Vol 9, No 3 (2013): Jurnal Rekayasa Kimia & Lingkungan
Pengembangan Membran Magnesol untuk Pemurnian Biodiesel
Article Info   ABSTRACT
Published date:
01 Jun 2013
 
Magnesol membrane has been prepared by mixing chitosan polymer with magnesol particles via phase inversion method. The optimum compositions of adsorptive membranes were 3% chitosan, 15% DMF and 60% loading adsorbent. The porosity of these membranes was 34,17% and swelling degree was 51,91%. The membrane clean water flux was 224,4 Lm‑2h‑1 at a transmembrane pressure of 2.5 bar.  The adsorptive membrane possesses an open and interconnected porous structure with a large surface area available for biodiesel purities adsorption. The results showed that after contacting in 60 minutes, numbers of acid value was reduced as 81,12% which is in accordance with value of SNI quality standards. In addition, the soap content adsorbed was 86,74%  as potassium soap and 86,73% as sodium soap. The regenerated membrane can be reused with mantaining the high adsorption capacity. The methanol was better than ethanol to regenerate the magnesol membrane. The Magnesol membrane will be a new alternative method for biodiesel purification.Keywords: biodiesel, membrane adsorption, chitosan, magnesol, acid number, soap
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