Recovery of lactose from aqueous solution by application of ultrasound through millichannel
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Daxa Sharma
Abstract
Instead of direct disposal of whey, extraction of valuable products from it may reduce the environmental pollution. In the present study, the effect of ultrasound irradiation through millichannel on recovery of lactose was investigated. The ultrasonic baths of varying amplitude (20–40%) and frequency (25–35 kHz), two different configurations of millichannel i.e., coil and serpentine, were used to know their individual and combined effect on the lactose yield. Box-Behnken design was employed to examine the interactive effect of different operating conditions. The recovery of lactose was enhanced approximately by 5–53% and induction time was reduced by 1.79–1.85 times in comparison to the conventional process. The size of the lactose crystals was reduced from 139.5 to 42.486 μm at 40% amplitude and 49.879 μm at 35 kHz frequency. Optimized condition showed 63% yield of lactose at 3.6 supersaturation, 35 kHz frequency, and 45 min of sonication time.
Acknowledgement
Authors are grateful to the institute for their support to carry out this research work.
Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: None declared.
Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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© 2021 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
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- Analysis of environmental factors for production of green raisins in Liang-fang
- Differences between retort distillation and double distillation in cherry spirits with double-kettle equipment
- Effects of different drying methods on the chemical, nutritional and colour of yerba mate (Ilex paraguariensis) leaves
- Effects of composition, temperature and shear rate on chocolate milk rheology: an empirical modeling approach incorporating yield behavior
- Recovery of lactose from aqueous solution by application of ultrasound through millichannel
Articles in the same Issue
- Frontmatter
- Articles
- Characteristics of gluten-free potato dough and bread with different potato starch-protein ratios
- Process optimization of chili flavor beef tallow and analysis of its volatile compounds by GC-IMS
- Impacts of different blanching pretreatments on the quality of dried potato chips and fried potato crisps undergoing heat pump drying
- Analysis of environmental factors for production of green raisins in Liang-fang
- Differences between retort distillation and double distillation in cherry spirits with double-kettle equipment
- Effects of different drying methods on the chemical, nutritional and colour of yerba mate (Ilex paraguariensis) leaves
- Effects of composition, temperature and shear rate on chocolate milk rheology: an empirical modeling approach incorporating yield behavior
- Recovery of lactose from aqueous solution by application of ultrasound through millichannel
