As salam km ,
I have experience with extraction of precious metals like gold silver platinum and palladium from computer chips,RAM,Motherboard and processors.
I will design complete automated system for you that can process large quantities of chips easily.
The basic mechanism of the process is first dissolving the chips in hot sulfuric acid followed by non precious metal extraction with nitric acid then followed by precious metal extraction with AQUAREGIA.
Followed by neutralization with urea and precipitation with Sodium metabilsulphide.
The whole process will be completely automated the end product will be Pure gold dust.
The machine will be made of stainless steel ,Plastic and glass in some places .The valves used on the machine will be made of stainless steel that is resistant to acid.
I will also provide complete part list for the machine and also show you where you can buy the parts.
I will help you every step to build and test this machine.
Please message me i will give you complete details.