• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to project page

1996 Fiscal Year Final Research Report Summary

Structural Analysis of LCA for Chemical Products

Research Project

Project/Area Number 07680580
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field 環境影響評価(含放射線生物学)
Research InstitutionKansai University

Principal Investigator

NAKANISHI Eiji  Kansai University, Faculty of Engineering, Professor, 工学部, 教授 (90031070)

Project Period (FY) 1995 – 1996
KeywordsLCA / Recycling / Environment / Assessment / PET bottles / EPS packages / ペットボトル / EPS包装材
Research Abstract

A quantitative method to evaluate the total amount of CO_2 which is emitted to atmosphere over the life cycle of petrochemicals was proposed based on the concept of cumulative CO_2 emission unit. In the LCA methods developed in this project, the following two problems remain to be solved. The first is the socalled allocation or partitioning problem which determines how to allocate the emission to each product in the unit where more than two products are present. The second is the problem that how much CO_2 emission unit should be specified to the materials to be recycled.
In the LCA computer program designed in this project, a parametric procedure is designed so as to be applicable to any allocation policy, while zero CO_2 emission unit is specified to the materials to be recycled. By using this computer program, the cumulative CO_2 emission units of petrochemicals and its recycled products are caluculated automatically reading the date on the inventory table which is designated directly corresponding to material and energy flows of petrochemical manufacuring process.
Based on the cumulative CO_2 emission unit, the life cycle assessment was achieved for the following two cases ; recycling of used PET bottles to carpet (material recycling) and energy recovery by incineration of used EPS trays (thermal recycling). Both recycles have been concluded to be recommendable in view of LCA.

  • Research Products

    (4 results)

All Other

All Publications (4 results)

  • [Publications] 中西,英二: "LCAにおける配分問題に対する一考察" 化学工学論文集. 22・4. 815-821 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 中西,英二他: "LCAにおける利用済みプラスチック製品の環境負荷指標について" 化学工学論文集. 23(未定). (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] E.Nakanishi, et al.: "A Study of Partitioning Problem in Life Cycle Assessment" Kagaku Kogaku Ronbunshu. Vol.22, No.4. 815-821 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] E.Nakanishi, et al.: "Specification of Environment Load for Disposed Plastics Products in LCA" Kagaku Kogaku Ronbunshu. (in print).

    • Description
      「研究成果報告書概要(欧文)」より

URL: 

Published: 1999-03-09  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi