Recycling rates of metals

Material Flow Analysis
Source: UNEP, 2011. Recycling rates of metals.

This Material Flow Analysis diagrams are from the recycling rates of metal status report of UNEP and the International Resource Panel.  Interestingly, the MFA of one metal may feed into the MFA of another metal (read below):

Flows related to a simplified life cycle of metals and the recycling of production scrap and end-of-life products.  Boxes indicate the main processes.  Yield losses at all life stages are indicated through dashed lines.  When material is discarded to landfills (WM), it may be recycled, lost into the cycle of another metal (as with copper wire mixed into steel scrap), or landfilled.  The boundary indicates the global industrial system, not a geographic entity.

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