The Sea:JOURNAL OF THE KOREAN SOCIETY OF OCEANOGRAPHY (한국해양학회지:바다)

The Korean Society of Oceanography (한국해양학회)
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Estimation of Microplastics Emission Potential in South Korea - For Primary Source -

우리나라 미세플라스틱의 발생잠재량 추정 - 1차 배출원 중심으로 -

  • LEE, HYE-SUNG (Department of Environmental & Biotechnology Engineering, Mokpo National Maritime University) ;
  • KIM, YONG-JIN (Department of Environmental & Biotechnology Engineering, Mokpo National Maritime University)
  • 이혜성 (목포해양대학교 환경.생명공학과) ;
  • 김용진 (목포해양대학교 환경.생명공학과)
  • Received : 2017.05.29
  • Accepted : 2017.07.18
  • Published : 2017.08.31
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Abstract

Microplastics are fractions of plastics less than 5 mm in size and can be divided into artificially manufactured primary microplastics and physically or chemically decomposed secondary microplastics. In this study, the emission source of microplastics made by the human activities is defined as the primary source of microplastics. And the primary sources of microplastics were summarized by using the literature and the emission potential of each source was estimated. As a result, this study showed that 63,000 to 216,000 ton/year of microplastics were discharged into the environment. Among primary sources, transport, tyre dust, and laundry were the major primary sources.

미세플라스틱은 5 mm 미만의 플라스틱 조각으로서 의도적으로 제조한 1차 미세플라스틱과 물리 화학적 파쇄나 분해에 의해 만들어진 2차 미세플라스틱으로 나눌 수 있다. 본 연구에서는 인간의 활동으로 인해 미세해진 플라스틱을 발생시키는 배출원을 미세플라스틱의 1차 배출원으로 정의했다. 본 연구에서 미세플라스틱의 1차 배출원을 문헌을 이용하여 정리하고, 각 배출원에서의 발생잠재량을 추정하고자 하였다. 그 결과, 6만 3천~21만 6천 ton/year의 미세플라스틱이 환경으로 유입되는 것으로 나타났다. 그중 선박수송, 타이어분진, 세탁에 의한 배출이 큰 비중을 차지하였다.

Keywords

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