Life Cycle Assessment of Oil Sorbent

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  • 油吸着材のライフサイクルアセスメントに関する研究
  • アブラ キュウチャクザイ ノ ライフサイクルアセスメント ニ カンスル ケンキュウ

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Abstract

This paper describes the life cycle assessment of sorbent (oil absorbent) in estimation of CO2 emissions produced throughout the life cycle for each scenario of sorbent ; Sugi Bark Product and Anaerobic/Aerobic Biodegradation Disposal (Scenario A/B), Sugi Bark Product and Incineration Disposal (Scenario C) and Polypropylene Product and Incineration Disposal (Scenario D). CO2 emission is the highest in disposal stage in all scenarios. In comparison of LCA of SBS (Sugi Bark Sorbent; scenario A, B, C), CO2 emission is lower in biodegradation disposal than in incineration disposal. Biodegradation disposal has more advantage in CO2 emission than incineration disposal, when the oil content of recovered substance is lower. The ratio of total CO2 emission of SBS and Polypropylene is 1:3 at most; the replacement of Polypropylene sorbent with SBS can reduce 8.3t-CO2 emission in recovering 1t of Bunker C oil.

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