Recycling Flashcards
What are the two factors which are significant for the successful recycling?
1) the material itself
2) the product into which it has been incorporated
What do we mean by ‘new or primary scrap and
‘old or secondary scrap’ ?
New or primary scrap is the cutoffs from billets, risers from castings, and turning from machining that are a by-product of the manufacture of products; it can be recycled immediately, often in-house.
Old or secondary scrap appears when the products themselves reach the end of their usefull lives.
What’s the main factor which determines the degree of the recycling?
What makes the separetion of metals easy?
1) Their density
2) Their magnetic and electrical field properties
3) Their color
Why are the virgin materials more expensive than the recycled ones?
Virgin materials are more expensive than those that have been recycled, because their quality, both in engineering terms and that of perception, is greater.
