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2020 Vol.29, Issue 2 Preview Page

Research Paper

Comminution Characteristics for Recycling Waste Glass Bottle

폐유리병 재활용을 위한 파분쇄 특성 연구

Han Sol Lee1
,
Hoon Lee2*
이 한솔1
,
이 훈2*
1Resources Recycling, University of Science and Technology, Daejeon 34113, Korea
2Mineral Resources Research Division, Korea Institute of Geoscience and Mineral Resources, Daejeon 34132, Korea
1과학기술연합대학원대학교 자원순환공학과
2한국지질자원연구원
*Corresponding Author
30 April 2020. pp. 28-36
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Abstract

To enhance the recycling rate of wasted glass bottles toward recycled aggregates, the study would decide optimal comminution equipment based on the particle size distribution, aspect ratio and equipment energy analysis. The impact, compress and abrasion is type of generated force by comminution. So, hammer crusher, shredder, roll crusher and ball mill have been selected because they have characteristic which is each type of force. As a result of the particle size analysis of each product, only the shredder product satisfied concrete and asphalt aggregate quality standard condition. Also, as a result of aspect ratio analysis using Imaging software program (Image J, National institute of health), most of size fraction is confirmed under 1.6 value. It was confirmed that the product has low dangerousness and satisfying to shpage index. Also, the particle reduction ratio against input energy of shredder product was the most high. Therefore, we can decide that the optimal equipment which applicable for comminuting waste glass bottle in certain particle size under 10mm is shredder. The result of study will make contribution to increasing energy efficiency of comminution processing and competitiveness of product.

Keywords
waste glass bottle
recycling
shredder
commiuntion
recycled aggregate

폐유리병을 순환 잔골재로 활용하여 재활용률을 향상시키기 위해 다양한 파분쇄 산물의 입도, 입형, 에너지 분석을 통해서 재활용 공정에 적용할 수 있는 최적의 장비 선정을 위한 파분쇄 특성 연구를 수행하였다. 파분쇄시 발생하는 힘의 종류인 충격, 압축, 마모가 특징적으로 나타는 장비인 해머크러셔, 슈레더 및 롤크러셔, 볼밀 총 4가지 장비를 선정하여 실험을 진행하였다. 각 장비의 파분쇄 산물의 입도 분석을 수행한 결과 슈레더에서 발생한 산물만이 콘크리트용, 아크팔트용 순환 잔골재의 품질 기준을 만족시키는 것으로 확인되었다. 화상소프트웨어(Image J, National institute of health)를 이용한 입형 분석 결과 대부분 입자의 입형이 1.6 이하의 값을 가지고 있어 순환 잔골재로 재활용하기에 위험성이 적고 편장석 비율 규정 조건 또한 충족하는 것으로 판단되었다. 또한 각 장비에서 소모되는 에너지를 측정해본 결과 에너지 대비 입자의 감소 비율이 슈레더의 산물이 가장 높은 것으로 확인되었다. 따라서 10mm 이하의 일정 입도구간에서 폐유리병 파분쇄시 적용될 수 있는 최적의 장비는 슈레더임을 판단할 수 있었다. 본 연구를 통해서 폐유리병 파분쇄 공정의 에너지 효율 및 제품의 경쟁력 향상에 큰 기여를 할 수 있을 것이라고 사료된다.

키워드
폐유리병
재활용
슈레더
파분쇄
순환골재
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Information
  • Publisher :The Korean Institute of Resources Recycling
  • Publisher(Ko) :한국자원리싸이클링학회
  • Journal Title :Journal of the Korean Institute of Resources Recycling
  • Journal Title(Ko) :자원리싸이클링
  • Volume : 29
  • No :2
  • Pages :28-36
  • Received Date : 2020-02-11
  • Revised Date : 2020-04-07
  • Accepted Date : 2020-04-14
  • DOI :https://doi.org/10.7844/kirr.2020.29.2.28
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