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Publisher: Diponegoro University (Total: 16 journals) [Sort by number of followers]

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International Journal of Science and Engineering
Number of Followers: 2

This is an Open Access Journal

Open Access journal
ISSN (Print) 2086-5023
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The Evaluation of Milk Nutrient Content Filtrated by Polyethersulfone
Ultrafiltration Membrane with Different Polymer Concentration and Time
Filtration
- Authors: Fauziyya Yusrika Rachma, Tutuk Djoko Kusworo, Dian Wahyu Harjanti
  Abstract: The aim of this study was to determine the effect of polyethersulfone (PES) polymer concentration and filtration time toward the membrane performance (flux) and milk nutrient content (water content, fat and protein). Ultrafiltration membrane was made using PES polymer and polyethylene glycol (PEG) as additive. This research used Split Plot in Time design with five repetitions. The main plot was filtration time and the subplot was level of polymer concentration. The data was analyzed using analysis of variance (ANOVA) and continued by Duncan Test in 5% level if there was a significant effect. The result showed that there was no interaction effect (P>0,05) between polymer concentration and time filtration to membrane flux and milk nutrient content. The difference of polymer concentration affect membrane flux and the milk water content (P<0,05), while the filtration time only affect the flux (P<0,05). The difference of polymer concentration and time filtration did not give significant effect (P>0,05) toward fat and protein content. Water content in milk filtrated by M1 and M3 membrane increased significantly, whereas water content in milk filtrated by M2 membrane decreased significantly. Fat content in milk filtrated by M1, M2 and M3 membrane were decreased. Milk protein content filtrated by M1 and M2 membrane tend to increase, while milk protein content filtrated by M3 membrane tend to decrease. It could be concluded that M2 membrane that containing of 15% PES and 5% PEG was the best membrane for milk filtration with 5 hours time of filtration.
  PubDate: 2017-03-07
  DOI: 10.12777/ijse.12.2.%p
  Issue No: Vol. 12, No. 2 (2017)

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