concentrating

Hello, I need your help on this topic as I am fairly new. Let me give you a short intro as to what we do. We are into E-Waste recycling based out of Central India. We are processing roughly 100 tons of pcbs per month. During this process we are generating 300 kgs of Ash everyday which contains...

So there i was thinking about making a vibrator/ fluid bed for gold separation .. looking at patents and searching out boards and we had one that no one took any further! astonishing but guy's! Build it if you think it may work!..lol Anyhoo.. there i was...