urban mining

(From left) gold-containing waste liquid, a capsule-type material wrapped in a circular polymeric shell (white) developed by KIST researchers to recover gold in an eco-friendly manner, gold extracted through the recovery process, and recovered gold refined into high-purity gold
A technology to begin the dream of urban mining
(From left) gold-containing waste liquid, a capsule-type material wrapped in a circular polymeric shell (white)