2001
DOI: 10.2320/jinstmet1952.65.7_589
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Abstract: The reduction effects of CO 2 emission from typical steel products by the reduction agent injection into blast furnace were analyzed by Life Cycle Assessment methodology, using the statiscal data.As the results, the reduction effects by pulverized coal injection and waste plastic injection were estimated to be 0.07 kg and 0.16 kg CO 2 at the point of 0.1 kg/kg HM of injection, respectively. As the coke is replaced with pulverized coal on the equivalent in carbon content, the CO 2 emission from the coke manuf… Show more

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Cited by 6 publications
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“…If surplus gas was generated from the coal and waste plastics, the gas was assumed to be used for the generation of electricity in a joint thermal power plant with an efficiency of 38% (Narita et al 2001). The CO 2 emission intensity of electricity and oil production were assumed to be 0.45 kg CO 2 /kWh (Matsuno and Betz 2000).…”
Section: Matrix Calculation To Estimate the Energy And Materials Flow mentioning
confidence: 99%
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“…If surplus gas was generated from the coal and waste plastics, the gas was assumed to be used for the generation of electricity in a joint thermal power plant with an efficiency of 38% (Narita et al 2001). The CO 2 emission intensity of electricity and oil production were assumed to be 0.45 kg CO 2 /kWh (Matsuno and Betz 2000).…”
Section: Matrix Calculation To Estimate the Energy And Materials Flow mentioning
confidence: 99%
“…In recent years, studies targeting feedstock recycling have been increasing, and the estimation of the environmental effect by feedstock recycling has attracted interest (Plastic Waste Management Institute 2005a; Molgaard 1995;Song et al 1999;Arena et al 2003;Ross and Evans 2003;Holmgren and Henning 2004;Finnveden et al 2005;Noda et al 2001;Perugini et al 2005;Narita et al 2001;Ziebik and Stanek 2001;Inaba et al 2005).…”
Section: Introductionmentioning
confidence: 98%
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“…Keywords: Blast furnace feedstock recycling; coke oven chemical feedstock recycling; composition of waste plastics; life cycle inventory analysis; matrix calculation method Vol.5 No.4 る。 (P l a s t i c W a s t e M a n a g e m e n t I n s t i t u t e 2005a ; Molgaard 1995;Song et al 1999;Arena, et al 2003;Ross & Evans 2003;Holmgren & Henning 2004;Finnveden et al 2005;Noda et al 2001;Perugini et al 2005;Narita et al 2001;Ziebik & Stanek 2001;Inaba et al 2005) 製鉄所における廃プラスチックのフィードストックリサ イクルの環境負荷への影響を推計するのに、LCAを適用 した既存研究はいくつか行われている。 (Narita et al 2001;Ziebik & Stanek 2001;Inaba et al 2005 Table 7. CO 2 emissions when 1 ton of PE is fed into coke oven Table 9.…”
Section: Recommendation and Perspectivesunclassified