mixing iron us5439503

C22B 11 - Obtaining noble metals - Patents …

Patents for C22B 11 - Obtaining noble metals (5,080) 10/1995: 10/21/1995: CA2147307A1 Noble metal recovery : ... US5439503 Mixing iron bearing ore with flux and ...

Patent US5439503 - Process for treatment …

The recovery of gold, silver and platinum group metals from volcanic cinders containing iron is achieved by mixing the cinders with a suitable flux, and metallic ...

extracting gold from rocks - riteshgroup.in

Patent US5439503 - Process for ... silver and platinum group metals from volcanic cinders containing iron is achieved by mixing the cinders with a suitable. Add to cart.

Patent US6461400 - Process for extracting …

forming a first mixture by mixing said target material with a copper containing metal in a particulate form and a ... iron, or a mixture thereof ... US5439503: 31 Jan ...

Patent US5238484 - Plant for the production …

A plant for the production of molten metals, includes a melting vessel and a metallurgical vessel receiving the melt from the melting vessel for aftertreating the ...

smelting copper ore containing gold - …

Patent US5439503 - Process for treatment of volcanic igneous rocks ... Aug 8, 1995 ... mixing an iron-bearing igneous ore containing gold, silver, and ....