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- Title
Vibration-assisted forward osmosis process for Mao (Antidesma bunius L. Spreng) juice concentration: water flux enhancement and preservation of phytochemicals.
- Authors
Sirinupong, T.; Tirawat, D.; Lau, W. J.; Youravong, W.
- Abstract
The experimental water flux of the forward osmosis (FO) process is much lower than the theoretical flux due to the existence of the internal concentration polarisation (ICP), external concentration polarisation (ECP), and membrane fouling. In the present work, vibration was integrated with the FO process to enhance water flux in water and Mao (Antidesma bunius L. Spreng) juice concentration. In addition, the capability of the FO process in preserving phytochemicals was studied. The use of the vibration assisted technique could enhance the water flux up to 23% during the FO process of distilled water due to the reduction of ICP, and a much higher water flux enhancement (up to 70%) was attained during the FO of Mao juice due to the reduction of ICP, ECP, and fouling. Phytochemicals including total phenolic compounds, anthocyanin, and ascorbic acid were preserved up to 82.7, 72.6, and 95.9%, respectively. These results suggest that membrane vibration is a promising technique for the enhancement of the FO process performance.
- Subjects
OSMOSIS; FLUX (Energy); PHYTOCHEMICALS; VITAMIN C; DISTILLED water; PHENOLS; REVERSE osmosis; REVERSE osmosis process (Sewage purification)
- Publication
International Food Research Journal, 2020, Vol 27, Issue 6, p1156
- ISSN
1985-4668
- Publication type
Article