1
Compiled by Dr. Joe Herbertson
June 2001
Sustainable Resource
Processing
Opportunity:
Integrated Strategy for Slags and Residues
Key issues for techno-economic solutions:
•Input materials
pre-treatments
•Heat recovery
efficiencies
•Process design
•Product market
opportunities
Large volumes of
metallurgical wastes have high iron contents and often some heavy metals. The remaining
material would otherwise be very appropriate for building and construction
products
Smelter
Slags and Residues
steelmaking slag, red mud, base metal residues etc.
Iron for Foundries
$
Slag for Building & Construction
$
Coal
Oxygen
Fume for Heavy Metal Recovery
$
Note: A specific
minerals industry opportunity is the use of metallurgical
slags for Portland cement substitution in mine backfill operations