The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 23, 2024
Filed:
Feb. 09, 2019
Reliance Industries Limited, Mumbai, IN;
Sateesh Daggupati, Khamman, IN;
Sachchit Majhi, Jamshedpur, IN;
Sukumar Mandal, Faridabad, IN;
Asit Kumar Das, Jamnagar, IN;
Vishwanath Sapre Ajit, Tampa, FL (US);
Reliance Industries Limited, Mumbai, IN;
Abstract
The present disclosure relates to a process for recovering vanadium in the form of iron vanadate from a gasifier slag. The process comprises pulverizing the slag to obtain pulverized slag (). The pulverized slag () is soaked in water () and an alkali salt () to obtain a slurry (), followed by roasting the slurry in the presence of air to obtain roasted slag () which is leached () to obtain a first solution (). The first solution () is heated at a temperature in the range of 60° C. to 80° C. while adding an iron salt () in an amount in the range of 10 wt % to 60 wt % at a pH in the range of 4 to 10, to obtain a second solid residue () which is dried to obtain iron vanadate ().