DEWATERING PROCESS THROUGH FORWARD OSMOSIS USING DEEP EUTECTIC SOLVENTS WITH OR WITHOUT DISPERSED MAGNETIC NANOPARTICLES AS NOVEL DRAW SOLUTIONS

DEWATERING PROCESS THROUGH FORWARD OSMOSIS USING DEEP EUTECTIC SOLVENTS WITH OR WITHOUT DISPERSED MAGNETIC NANOPARTICLES AS NOVEL DRAW SOLUTIONS

The present invention relates to a novel forward osmosis (FO) process for dewatering of a variety of feed solution using low water activity and high osmotic pressure deep eutectic solvent with and without dispersed magnetic nanoparticles as draw solution. In particular, choline chloride-ethylene gly...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ALAMARU, Venkata Rami Reddy, BHATT, Jitkumar, POLISETTI, Veera Babu, NATARAJ, Sanna Kotrappanavar, PRASAD, Kamalesh, MONDAL, Dibyendu, MAHTO, Ashesh
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT
GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:The present invention relates to a novel forward osmosis (FO) process for dewatering of a variety of feed solution using low water activity and high osmotic pressure deep eutectic solvent with and without dispersed magnetic nanoparticles as draw solution. In particular, choline chloride-ethylene glycol, choline chloride-glycerol, Fe3O4 dispersed in former and latter were utilized as draw solution in FO for one step desalination of brackish and seawater, water recovery from effluent of leather and dye industries, protein and DNA concentration at room temperature. Owing to very low freezing point, the diluted draw solution after FO was recovered through phase separation by chilling at Ca. −10 ° C. with concomitant production of usable water. Although the present invention focused on specific DES and dispersion of Fe3O4 as magnetic nanoparticles but use of other DES having high osmotic pressure and low freezing point and other magnetic nanoparticles dispersion are logical extension of present invention.