Patent Profile
| Patent No: | EP2833990 [European Patent Office (EPO)] | Application No: | EP20130725484 |
| Title: | Method of preparation of a thin film composite reverse osmosis membrane with antifouling properties | ||
| Issue Date: | 30-03-2016 | File Date: | 03-04-2013 |
| Inventor(s): | Ghosh Pushpito Kumar; Jewrajka Suresh Kumar; Reddy Alamuru Venkata Rami; Haldar Soumya; Mandal Sanjay; Khullar Sadhika | ||
| IPC Classification: | B01D 65/08, B01D 67/00, B01D 69/12, B01D 71/56 | ||
| Abstract: | The present invention relates to the preparation of novel antibiofouling Thin Film Composite (TFC) Reverse Osmosis (RO) membranes on porous polysulfone (PSf) support of thickness 30-40 micron. TFC-RO membranes were prepared by interfacial polymerization between neat m-phenylenediamine (MPD) in water and pyridine tricarboxylic acid chloride (PTC) or a mixture containing PTC and trimesoyl chloride (TMC) in mixture of hexane + dichloromethane. The best results in terms of flux, NaCl rejection and antibiofouling property were obtained with 2:3-1:1 weight ratio of PTC to TMC. The present invention also relates to the preparation of antibiofouling TFC membranes by the interfacial polymerization between mixture of melamine + MPD and TMC. The best results in terms of antibiofouling property, NaCl rejection and flux were obtained with 1 :1 weight ratio of MPD to melamine. | ||
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:91-278- 2569496 Ext. 6000, 6010
:https://www.csmcri.res.in
Industrial Applications
Chemistry, Chemical Processes Polymers [Chemistry, Chemical Processes]