Image (IMAGE) National Research Council of Science & Technology Caption (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 Credit The sources of photos and research results from KIST must be specified. Usage Restrictions Korea Institute of Science and Technology(KIST) License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.