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NON-DISSOLVED SOLIDS REMOVAL DURING PALM KERNEL OIL ULTRAFILTRATION

*Mubiar Purwasasmita  -  Department of Chemical Engineering, Industrial Technology Faculty, Institut Teknologi Bandung, Indonesia
Petrus Benny Juwono  -  Department of Chemical Engineering, Industrial Technology Faculty, Institut Teknologi Bandung, Indonesia
Aysha Mareta Karlina  -  Department of Chemical Engineering, Industrial Technology Faculty, Institut Teknologi Bandung, Indonesia
Khoiruddin Khoiruddin  -  Department of Chemical Engineering, Industrial Technology Faculty, Institut Teknologi Bandung, Indonesia
I Gede Wenten  -  Department of Chemical Engineering, Industrial Technology Faculty, Institut Teknologi Bandung, Indonesia

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Abstract

Performance of polypropylene hollow fiber ultrafiltration membrane during non-dissolved solids (NDS) removal from palm kernel oil is investigated. The filtration is operated at difference feed temperature and pressure to study the effect of both parameters on membrane performance. From the experimental results, it can be concluded that polypropylene hydrophobic hollow fiber membrane can be used for palm kernel oil NDS removal. Temperature and trans-membrane pressure have proportional effect to permeate flux. In contrast, they have inverse effect to rejection of NDS. During the experiment, permeate fluxes and rejections of NDS varied from 3.4 to 8.7 L/m2.h and from 51% to 94%, respectively. The best operating conditions suggested are feed temperature of 30°C and TMP of 1 bar which produce the highest NDS rejection. In addition, the permeate quality can meet the requirement of standard NDS content even at its lowest rejection level which shows the remarkable performance of membrane filtration.

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Keywords: non-dissolved solids; palm kernel oil; polypropylene membrane; ultrafiltration

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Section: Research Article
Language : EN
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