CM-PATRA / record

Method for selective extraction of gold by niacin

Publication

WO-2022097167-A1 on Google Patents

Filed / published / granted

2021-10-27 / 2022-05-12 / n/a

Offices

ZA, US, WO

Applicants

IIT Madras (IN, academic)

Minerals

Gold / Silver (not on list)

Stages

Recycling / secondary sources, Hydrometallurgy (leaching, solvent extraction)

CPC

C22B11/042, C22B11/046, C22B11/044, C22B7/007, C22B3/44, C22B3/10

Abstract (first 170 chars)

The present invention relates to a method for selectively precipitating and extracting gold in aqueous solution by niacin. Aqueous Au 3+ is precipitated selectively as i