Process of spontaneous dewatering of feed solution using salt bitterns as draw solutions

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The present invention relates to the use of abundant and generally wasted salt bitterns I with high .osmotic coefficient as draw solution in forward osmosis (FO). A I . > conventional high flux thin film composite polyamide membrane was utilized for this purpose. With sugarcane juice as feed, its fourfold concentration was demonstrated with an energy saving of 97% compared to the energy requirement for conventional multiple effect evaporation. Sucrose loss from feed to draw was

Patent No:: IN321169 [India]
Application No:: 735/DEL/2014
Filing Date:: 13-03-2014
Issue Date:: 24-09-2019
Inventor(s):: Pushpito Kumar Ghosh; Dibyendu Mondal; Sanna Kotrappanavar Nataraj; Alamuru Venkata Rami Reddy; Sumesh Chandra Upadhyay
IPC Classification:: B01D61/00
Implementing Organisation:: Central Salt & Marine Chemicals Research Institute (CSMCRI), Gujarat

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