WAD cyanide recovery is assumed to be 90%, with recovered cyanide returned to leaching operations as calcium cyanide
Kiena was one of the first gold mines to use calcium cyanide
in CIP, because of its lower price and greater safety in handling.
19 issue of the Chemical Market Reporter, a widely read, weekly chemical industry publication, the following was cited: "Cyanco is exploring the viability of producing liquid calcium cyanide
at its facility near Winnemucca, Nevada, where it already produces liquid sodium cyanide.