Invention Grant
- Patent Title: Solvent extraction process for removal of naphthenic acids and calcium from low asphaltic crude oil
- Patent Title (中): 从低沥青原油中除去环烷酸和钙的溶剂萃取方法
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Application No.: US13767369Application Date: 2013-02-14
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Publication No.: US09238780B2Publication Date: 2016-01-19
- Inventor: Harender Bisht , Asit Kumar Das , Bibeka Hazarika , Biswajit Shown , D. P. S. Rana , Mahesh G. Marve , Manthan A. Malvanker , Paras N. Shah , Rohit R. Irabatti , Sukumar Mandal , Suyog S. Salgarkar
- Applicant: Reliance Industries Limited
- Applicant Address: IN Mumbai
- Assignee: Reliance Industries Limited
- Current Assignee: Reliance Industries Limited
- Current Assignee Address: IN Mumbai
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: IN441/MUM/2012 20120217
- Main IPC: C10G53/04
- IPC: C10G53/04 ; C10G53/02 ; C10G21/00 ; C10G21/14 ; C10G31/06 ; C10G53/06
Abstract:
The present disclosure provides a process for obtaining extracted crude oil (ECO) which is substantially free of naphthenic acids, calcium and other impurities from low asphaltic crude oils or their residue fractions by preferential extraction of saturates using at least one solvent.
Public/Granted literature
- US20130213857A1 Solvent Extraction Process for Removal of Naphthenic Acids and Calcium from Low Asphaltic Crude Oil Public/Granted day:2013-08-22
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