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a st Furna ce – Basi c O x y ge n Furn ace – T hi n Sla b Ca sting t stee l 14 .8 50 Smel t Re du ction – Basi c O x y ge n Furn ace – T hi n Sla b Ca sting t stee l 17 .8 60 Di rect Re du ced I ron – Ele ctric Arc Furna ce – T hi n Sla b Ca sting t stee l 16 .9 57 Scrap Ele ctric Arc Furna ce – T hi n Sla b Ca sting t stee l 87 .5 A lu mini um Unit GJ/t kgc e/t Prima ry Alu min iu m t al umi ni um 70 .6 24 11 Se con da ry Alu min iu m t al umi ni um 85 Ce me nt Unit GJ/t kgc e/t Po rtlan d Ce men t t ceme nt 10 1 Fly Ash Ce men t t ceme nt 83 Bla st Furna ce Sl ag Ceme nt t ceme nt 65 國際標桿 /International benchmarks ? 世界最佳實踐工業(yè)行業(yè)能源強度值 /World Best Practice Final Energy Intensity Values for Selected Industrial Sectors Pul p Unit GJ/t kgc e/t No nw oo d Ma rket Pul p ai r drie d t 26 4 Wood Kraft Pulp ai r drie d t 11 .1 38 0 Wood Sulfi te Pul p ai r drie d t 18 .5 63 2 W oo d T he rmome cha ni cal Pulp ai r drie d t 22 4 Re cove red Pap er Pu lp ai r drie d t 51 Pa per Unit GJ/t kgc e/t Un coa ted