LCA解析のための外航貨物船の運航状況分析と海上輸送の大気環境負荷物質の排出係数

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Life Cycle Assessment (LCA) is a technique for assessing the environmental potential impacts associated with products throughout their life span from raw material acquisition to final disposal. Although Life Cycle Inventory (LCI) data are indispensable to perform LCA, reliable and accessible data for LCI analysis are limited. In particular, published and reliable data associated with transportation by oceangoing cargo-ships are very limited, in spite of the fact that a great quantity of natural and energy resources are imported and various kinds of manufactured products are exported by seaborne transportation in Japan. The paper presents averaged fuel energy consumptions and gaseous exhaust emissions per unit transportation, being based on the analysis of navigation logbooks of oceangoing cargo-ships. The ships comprise of eight ships that are categorized in five types of ships, namely, two oil tankers, two bulk carriers, and two container ships with different sizes respectively, and a pure car carrier and an LNG carrier. The gaseous exhaust emissions derived from combustion include carbon dioxide, sulfur oxides and nitride oxides. Averaged data of navigation distances, service speeds and ratios of loaded cargo to the maximum loading capacities, (in terms of dead weight, units of containers or cars), and averaged load factors of main engines, diesel generators and auxiliary boilers are provided.
独立行政法人海上技術安全研究所の論文
2005-09-26

LCA解析のための外航貨物船の運航状況分析と海上輸送の大気環境負荷物質の排出係数

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