Patent · US Active

Process for the removal of sodium from di-sulfide oil

US9790175B2 · kind B2 · utility

1Cited by

1References

9Claims

0Family size

Assignee

RELIANCE INDUSTRIES LIMITED · IN

Inventors

Biswajit Shown · Narayanpur, IN
Nagarathinam Shenbaga Murthy · Thoothukudi, IN
Asit Kumar Das · Faridabad, IN
Swapan Kumar Ghosh · Bachra, IN
Bidhayak Das · Narayanpur, IN
Rajeshwer Dongara · Sayla, IN
Anirban Ray · Narayanpur, IN
Chirag Dalpatbhai Panseriya · Sayla, IN
Udayan Sivathanu Ramalakshmi · Poonamallee, IN
Atul Kathiria · Jamnagar, IN

Key dates

Filing date	Mar 13, 2015
Grant date	Oct 17, 2017
Priority date	—
Expiry date	Mar 13, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C319/30
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

In the present disclosure there is provided a process for obtaining di-sulfide oil having sodium level below 0.1 ppm wherein a stream comprising di-sulfide oil having sodium level 1 ppm, collected as a waste stream from LPG desulfurization unit, is passed through an alumina bed packed in a column at a pre-determined liquid hourly space velocity (LHSV) and at pre-determined temperature to obtain a treated stream comprising di-sulfide oil having sodium level below 0.1 ppm.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.