CM-PATRA / record

(no English title in the source record)

Publication

IN-2015DN03228-A on Google Patents

Filed / published / granted

2013-11-19 / 2015-10-02 / n/a

Offices

IN (includes the Indian office)

Applicants

Chevron Usa Inc (US, foreign-industry)

Minerals

Vanadium

Stages

Recycling / secondary sources

CPC

C22B34/225

Abstract (first 170 chars)

A method for recovering vanadium from a spent slurry catalyst for hydrocarbon oil hydroprocessing is disclosed. In one embodiment after de oiling the spent catalyst is tr