Page 32 - 營建產業循環經濟發展研討會-論文集
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Iron and Steel Slag - Production
Rapid Economical Growth
World Steel
Annual Steel Production
–
’70
Blast furnace slag 24 million tonnes/yr (~300kg-slag/t-HM) Steelmaking slag 13 million tonnes/yr (~120kg-slag/t-steel)
24
Tokyo Olympic games ’64
EXPO Osaka ’70 Oil shock ’73
Lehman shock ’08 Dubai crisis ’09
