Search International and National Patent Collections

1. (WO2015047637) EXTRACT RECYCLE IN A HYDROCARBON DECONTAMINATION PROCESS

Pub. No.:    WO/2015/047637    International Application No.:    PCT/US2014/052866
Publication Date: Fri Apr 03 01:59:59 CEST 2015 International Filing Date: Thu Aug 28 01:59:59 CEST 2014
IPC: C10G 21/00
Applicants: UOP LLC
Inventors: GATTUPALLI, Rajeswar R.
MEZZA, Beckay J.
BHATTACHARYYA, Alakananda
STEVENS, Carl J.
DA SILVA FERREIRA ALVES, Joao Jorge
SANGALLI, Massimo
Title: EXTRACT RECYCLE IN A HYDROCARBON DECONTAMINATION PROCESS
Abstract:
Recycle of an extract stream containing a contaminant is used to improve recovery of hydrocarbons in a contaminant removal process. At least a portion of an extract stream is recycled to a contaminant extraction zone and contacted with rich ionic liquid. Contaminants in the recycle extract stream are transferred to the rich ionic liquid.