Food Engineering Progress (산업식품공학)

Korean Society for Industrial Food Engineering (한국산업식품공학회)
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Development of Controlled Atmosphere Container Using Gas Separation Membrane for the Storage of Agricultural Products

선택적 기체분리막을 이용한 controlled atmosphere 컨테이너 개발

  • Park, Seok Ho (Division of Postharvest Engineering, National Academy of Agricultural Science) ;
  • Chun, Ho Hyun (Advanced Process Technology Research Group, World Institute of Kimchi) ;
  • Choi, Dong Soo (Division of Postharvest Engineering, National Academy of Agricultural Science) ;
  • Choi, Seung Ryul (Division of Postharvest Engineering, National Academy of Agricultural Science) ;
  • Kim, Jin Se (Division of Postharvest Engineering, National Academy of Agricultural Science) ;
  • Oh, Sung Sik (Division of Postharvest Engineering, National Academy of Agricultural Science) ;
  • Lee, Jin Su (Postharvest Research Team, National Institute of Horticultural & Herbal Science)
  • 박석호 (국립농업과학원 농업공학부) ;
  • 천호현 (세계김치연구소 신공정기술연구단) ;
  • 최동수 (국립농업과학원 농업공학부) ;
  • 최승렬 (국립농업과학원 농업공학부) ;
  • 김진세 (국립농업과학원 농업공학부) ;
  • 오성식 (국립농업과학원 농업공학부) ;
  • 이진수 (국립원예특작과학원 저장유통연구팀)
  • Received : 2014.10.17
  • Accepted : 2014.12.29
  • Published : 2015.02.28
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Abstract

This study was conducted to develop the domestic production of a controlled atmosphere (CA) storage system, including nitrogen generator and carbon dioxide eliminator using selective gas separation membrane and operating program. Generally, the gas composition inside general cold stores constantly changes due to the metabolic activity of the respiring vegetables and fruits and leakage of gases through doors and walls. However, the CA container developed by our research team is able to control of the level of oxygen and carbon dioxide inside the reefer, making it simple and effective in operation. The efficiency of the nitrogen generator to replace oxygen with nitrogen inside the CA container was approximately 1.33% per hour. The change in oxygen concentration inside the CA container during the operation refrigerator almost did not show any difference for 8 days. Therefore, CA storage container should be a promising approach to maintaining the high quality of agricultural products during storage.

본 연구는 농가단위에서 활용 가능한 CA 컨테이너를 국산화하기 위한 1년차 연구결과이다. CA 저장고의 핵심장치인 질소발생기, 이산화탄소 제거장치는 국내에서 보급되는 부품을 이용하여 개발하였다. 본 연구에서 개발한 CA 컨테이너 성능은 CA 컨테이너 내의 기체조성을 얼마나 빨리 조정할 수 있는가와 조성된 기체환경이 얼마 동안 그대로 유지되는지의 여부로 검증하였다. 질소발생기는 공기의 유량을 조절하여 산소의 농도를 0.09%에서 8.26% 범위에서 정밀하게 조절이 가능하기 때문에 질소발생기 만으로도 충분히 CA 저장고의 기체환경을 조절할 수 있을 것으로 판단되었다. CA 컨테이너의 기밀성능은 8일간 내부의 산소농도가 그대로 유지될 만큼 성능이 우수한 것으로 판단된다. 본 연구결과를 바탕으로 금년도에 수확한 후지 사과를 대상으로 CA 컨테이너 축소모델의 성능을 확인하고, 최종 연구목표인 CA 컨테이너 국산화 모델 설계에 본 연구결과를 반영할 계획이다.

Keywords

Acknowledgement

Supported by : 농촌진흥청

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