Life Cycle Assessment and Improvement Assessment for Manufacturing Process of Corrugated Package

골판지 포장재의 생산공정에 대한 LCA 수행 및 친환경 공정개선

  • Jo, Hyun Jung (Department of Environmental Engineering, Inha University) ;
  • Hwang, Yong Woo (Department of Environmental Engineering, Inha University) ;
  • Park, Kwang Ho (Department of Environmental Engineering, Inha University) ;
  • Jo, Byoung Muk (Department of Paper Science and Engineering, Kangwon National University) ;
  • Kim, Hyoung Jin (Department of Forest Products, Kookmin University)
  • Received : 2005.01.25
  • Accepted : 2005.07.11
  • Published : 2005.10.10

Abstract

In this study, life cycle assessment (LCA) on one of corrugated cardboard box as functional unit was carried out. System boundary of this study divided according to raw material acquisition, corrugated cardboard manufacture and corrugated cardboard box manufacture stage. And environmental impacts are evaluated on each stage and sub-process. The impact categories are classified into eight categories of abiotic resource depletion, global warming stratospheric ozone depletion, photochemical oxidant creation, air acidification, eutrophication, ecotoxicity and human toxicity. From the results, it is found that environment impacts at raw material acquisition stage is the highest as about 92% of whole stage due to liner board manufacture stage. The highest environmental impacts at sub-process of corrugated cardboard and box manufacture stage is a single facer and D/W backer process that included as main process in corrugated cardboard manufacture, and is caused by used energies like electricity, B-C oil, and etc. And then diagnosis for clean production process system of package is carried out. Through diagnosis, on loss rate is reduced and inner pressure intensity of box is improved. After improvement, environmental impact was decreased about 3.8% compared with before improvement.

Acknowledgement

Supported by : 산업자원부

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