Evaluation of Ultrafiltration Performance for Phospholipid Separation

• Published in: Journal of physics. Conference series Vol. 909; no. 1; pp. 12083 - 12091
• Main Authors: Aryanti, N, Wardhani, D H, Maulana, Z S, Roberto, D
• Format: Journal Article
• Language: English
• Published: Bristol IOP Publishing 01.11.2017
• Subjects: Degumming; Lecithin; Membrane processes; Membranes; Palm oil; Performance evaluation; Phospholipids; Phosphors; Physics; Rejection; Separation; Ultrafiltration; Vegetable oils
• ISSN: 1742-6588; 1742-6596
• DOI: 10.1088/1742-6596/909/1/012083

Ultrafiltration membrane for degumming of crude palm oil has been applied as an alternative method since the membrane process required less procedure than the conventional degumming. This research focused on the examination of ultrafiltration performance for phospholipid separation from model crude palm oil degumming. Specifically, profile flux and rejection, as well as blocking mechanism, were investigated. Feed consisting of Refined Crude Palm Oil - Isopropanol - Lecithin mixtures were represented as crude palm oil degumming. Lecithin was denoted a phospholipid component, and the concentrations of lecithin in feed were varied to 0.1%, 0.2%, and 0.3%. The concentration of phospholipid was determined as phosphor content. At the concentration of lecithin in feed representing phospholipid concentration of 8,45 mg/kg, 8,45 mg/kg, 24,87 mg/kg and 57,58 mg/kg, respectively. Flux profiles confirmed that there was a flux decline during filtration. In addition, the lecithin concentrations do not significantly effect on further flux decline. Rejection characteristic and phospholipid concentration in the permeate showed that the phospholipid rejections by ultrafiltration were in the range of 23-79,5% representing permeate's phospholipid concentration of 1,73 - 44,25 mg/kg. Evaluation of fouling mechanism by Hermia's blocking model confirmed that the standard blocking is the dominant mechanism in the ultrafiltration of lecithin mixture.