Inventor
VALKAMA KARI
FI4 patents
Patents
4 patentsUS10351930B2Jul 16, 2019
Silver recovery by ion exchange
OUTOTEC FINLAND OY1 citations51
US10060007B2Aug 28, 2018
Method of preparing a gold-containing solution and process arrangement for recovering gold and silver
OUTOTEC FINLAND OY0 citations35
US10023936B2Jul 17, 2018
Method of recovering copper and precious metals
OUTOTEC FINLAND OY0 citations30
US10174400B2Jan 8, 2019
Method for recovering metals
OUTOTEC FINLAND OY0 citations28