Resources Recycling (자원리싸이클링)

The Korean Institute of Resources Recycling (한국자원리싸이클링학회)
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Analysis for Water Vapour Adsorption and Desorption Performance of Waste Paper-Mulberry according to Particle Size Control

폐닥나무의 입도제어에 따른 흡·방습 특성 분석

  • Jo, Ki-Sic (Energy & Environmental Division, Korea Institute of Ceramic Eng. & Tech.) ;
  • Kim, Tae-Yeon (Energy & Environmental Division, Korea Institute of Ceramic Eng. & Tech.) ;
  • Seo, Sung-Kwan (Energy & Environmental Division, Korea Institute of Ceramic Eng. & Tech.) ;
  • Lee, Oh-Kyu (Forest Biomaterials Research Center, National Institute of Forest Science) ;
  • Chu, Yong-Sik (Energy & Environmental Division, Korea Institute of Ceramic Eng. & Tech.)
  • 조기식 (한국세라믹기술원 에너지환경본부) ;
  • 김태연 (한국세라믹기술원 에너지환경본부) ;
  • 서성관 (한국세라믹기술원 에너지환경본부) ;
  • 이오규 (국립산림과학원 산림바이오소재연구소) ;
  • 추용식 (한국세라믹기술원 에너지환경본부)
  • Received : 2020.01.30
  • Accepted : 2020.03.23
  • Published : 2020.04.30
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Abstract

In this study, adsorption and desorption characteristics of pulverized waste paper-mulberry pellet and bast fiber were measured to confirm the applicability to humidity control products. Paper-mulberry powder was classified by 710-355㎛, 355-100㎛, 100-45㎛ and less than 45㎛ and used in experiment. Specific surface area increased from 1.02㎡/g to 1.35㎡/g as the particle size decreased from 710㎛ to under 45㎛. Adsorption and desorption performance decreased in the order of 355-100㎛, 710-355㎛, 100-45㎛, less than 45㎛ and bast fiber, adsorption content on each particle sizes were 141.1g/㎡, 147.1g/㎡, 135.7g/㎡, 129.0g/㎡ and desorption content were 117.2g/㎡, 123.6g/㎡, 110.2g/㎡, 93.3g/㎡. As a result, adsorption and desorption performance of paper-mulberry powder were superior to those of the bast fiber and these phenomenon can be considered that it caused by pore distribution in pellet and damage of fiber.

본 연구에서는 분쇄 가공된 폐닥나무의 친환경 조습 제품에 대한 적용 가능성을 확인하기 위해 인피섬유와 폐닥나무 분쇄 펠렛의 흡·방습 성능 측정을 진행하였다. 폐닥나무 분말은 710-355㎛, 355-100㎛, 100-45㎛ 및 45㎛ 미만의 입도별로 분류하여 사용하였다. 분말의 비표면적은 입자 크기가 710㎛부터 45㎛미만으로 감소할수록 1.02㎡/g에서 1.35㎡/g로 증가하는 경향을 나타내었다. 흡·방습량은 355-100㎛, 710-355㎛, 100-45㎛, 45㎛미만 및 인피섬유의 순으로 감소하였으며, 각각 141.1g/㎡, 147.1g/㎡, 135.7g/㎡, 129g/㎡의 흡습 및 117.2g/㎡, 123.6g/㎡, 110.2g/㎡, 93.3g/㎡의 방습 성능이 확인되었다. 폐닥나무 분말의 흡습 및 방습 성능은 닥나무 인피섬유 보다 우수하였으며, 이는 펠렛 내부 기공의 분포와 섬유 손상에 기인한 것으로 사료되었다.

Keywords

References

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