Patent Profile
| Patent No: | IN226702 [India] | Application No: | 0475DEL2001 |
| Title: | A process for sweetening of lpg, light petroleum distillates by liquid - liquid extraction using metal phthalocyanine sulphonamide catalyst | ||
| Issue Date: | 23-12-2008 | File Date: | 12-04-2001 |
| Inventor(s): | SAIN B, PURI SN, DAS G, BALODI BP, KUMAR S, KUMAR A, BHATIA VK, KAPOOR VK, RAI GP, RAO TSRP | ||
| IPC Classification: | C07C 7/11 | ||
| Abstract: | The present invention relates to a process for sweetening of LPG, light petroleum distillates by liquid-liquid extraction using metal phthalocyanine sulphonamide catalyst. The process steps comprising of liquid-liquid extraction of the mercaptans contained therein by alkali solution and regeneration of the mercaptan containing alkali solution by oxygen using metal phthalocyanine sulphonamide catalyst, whereby the mercaptans are converted to corresponding disulphides and the regenerated alkali solution can be reused for mercaptan extraction. |
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| Licensing Option: | License is already granted. Technology has already been Commercialized. Further license is possible. | ||
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Industrial Applications
Catalyst [Fuels and Lubricants]
Petroleum Fuels [Fuels and Lubricants]
Sustainable Development Goals (SDGs)
Affordable and Clean Energy
Climate Action
CSIR-Themes
Chemicals (including leather) and Petrochemicals