Gold And Platinum Ore Processing Plant

We are looking for small scale processing plant that processes crushed ore of gold and platinum. ore is crushed by a locally made hammer crusher to < than 2.5 mm.. size of plant of 100 ton of ore. we need to separate the gold and platinum each sepratley and have a high purity product. we like the process to be simple and using non sophisticated technology. because the area of operation is remote in sudan and difficult to aceess. however electricity can be produced by generators and if smelt