CM-PATRA / record

Sequential extraction of metals from printed circuit boards by hydrometallurgical route using the same acid

Publication

WO-2020044365-A1 on Google Patents

Filed / published / granted

2019-08-20 / 2020-03-05 / n/a

Offices

WO

Applicants

IIT Madras (IN, academic)

Minerals

Copper, Tin, Zinc / Lead (not on list)

Stages

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

CPC

C22B25/06, C22B15/0073, C22B13/045, C22B7/007, C22B3/22

Abstract (first 170 chars)

The present invention relates to a method of extraction of metals from printed circuit boards of electronic devices in an environmentally friendly and economical process.