Hello Ubya, So I used to work in the E-waste recycling field and let me tell you that there is alot of money to be made in the field... however the
trick is first getting your feed-stock for cheap (which sounds like you are working on that) and getting your processing costs down. Both of those
factors are aided by having a very large scale established operation; however, that is out of reach for most amateur/ mico/garage-scale processors.
Silicon by itself is definitly not the most useful thing to many amateur chemists- mainly because it is hard to react with things and when it does
react, it produces some very dangerous compounds. Probably the most useful Si compound is Silane gas with as Tsjerk pointed out is from the reaction
of Mg2Si with HCl. Silane is often used to make ultra pure silicon for chips and such. In addition, the dust can be very damaging to human tissue as
well if it is ground fine enough; however, if the silicon was used as a composite material that might be useful. Quite frankly, my guess the most
profitable use for the waste silicon would be in the "up-cycling" consumer art world. For example, sunglasses made from used vinyl records (https://hiconsumption.com/vinylize-eyeglasses-made-from-recy...).
It might be worth your time though to look into titanium and niobium capacitor recycling if you are interested in the non-precious metals ewaste
recycling filed. Many places dont bother with these components since they are a pain to sort and are not worth that much. However, both of those
elements are conflict metals which could spike in price at a moments notice because most of the worlds supply is in countries like the Democratic
Republic of the Congo, which, last time I checked, is not the most stable Nation on earth. |