60 Aluminum Recycling
scrap costs. The reduction of labor costs requires the use of greater automation in
furnace operations, described in Chapter 9. This too is more difcult to accomplish
when lower-grade scrap is used. Minimizing the use of salt would reduce ux as well
as disposal costs. The recent surge in natural gas production has reduced fuel costs;
better furnace design (see Chapters 7 and 8) will reduce it further.
RECYCLING PRODUCTS AND THEIR PRICE
There are two primary types of aluminum recycling facility. The rst is a remelter.
Remelters engage in direct recycling, producing a specic alloy from scrap primarily
consisting of that alloy. As discussed in Chapter 11, some recycling facilities are now
located adjacent to manufactur ...