Patent ID: 11859139
Assignee: COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH AN INDIAN REGISTERED BODY INCORPORATED UNDER THE REGN. OF SOC. ACT (ACT XXI OF 1860)
Field: Chemical engineering (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 4:
5. The method as claimed in claim 1, wherein the cooled stream (20A) generated in step (h) is routed to bottom tray of absorption tower (ABS) having plural trays,
wherein one portion (17A) of unstabilized naphtha stream (17) is routed to top tray of ABS,
wherein the liquid stream (22) from ABS and second part (17B) of unstabilized naphtha stream (17) are routed to the distillation column (15) to produce the LPG, a Light Naphtha (LN) product and noncondensate vapour stream (23).