공업화학 (Applied Chemistry for Engineering)

  • 제35권2호
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  • Pages.85-95
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  • 2024
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  • 1225-0112(pISSN)
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  • 2288-4505(eISSN)
한국공업화학회 (The Korean Society of Industrial and Engineering Chemistry)
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막 기반 직접공기포집: 총설

Membrane-Based Direct Air Capture: A Review

  • 양성백 (경상국립대학교 그린에너지융합연구소) ;
  • 임광섭 (경상국립대학교 나노.신소재융합공학과) ;
  • 니키타 쿠마리 (경상국립대학교 그린에너지융합연구소) ;
  • 남상용 (경상국립대학교 그린에너지융합연구소)
  • Seong Baek Yang (Research Institute for Green Energy Convergence Technology, Gyeongsang National University) ;
  • Kwang-Seop Im (Department of Materials Science and Convergence Technology, Gyeongsang National University) ;
  • Km Nikita (Research Institute for Green Energy Convergence Technology, Gyeongsang National University) ;
  • Sang Yong Nam (Research Institute for Green Energy Convergence Technology, Gyeongsang National University)
  • 투고 : 2024.02.28
  • 심사 : 2024.03.24
  • 발행 : 2024.04.10
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⟨ 이전 논문 다음 논문 ⟩

초록

직접공기포집 기술은 기후 변화 완화에서 중요한 역할을 하고 있다. 국제에너지기구와 기후변화에 관한 보고서에서는 이러한 중요성을 강조하고 있고, 탄소의 지속적인 배출에도 불구하고 이를 감소시킴으로써 지구 온난화를 1.5 ℃로 제한하는 것을 목표로 한다. 직접공기포집 기술은 초기 비용에도 불구하고 연구 및 개발, 운영 학습 및 규모의 경제를 통한 비용 절감의 가능성을 보여주고 있다. 최근 고투과도를 갖춘 고분자 막의 발전은 막 기반 직접공기포집 기술에 대한 잠재력을 제시하고 있으나, 효과적인 대기 중 CO2 분리를 위해서는 CO2에 대한 높은 선택성과 투과성을 갖춘 막을 필요로 한다. 현재 연구는 막 최적화 연구를 다수의 연구팀에 의하여 연구되고 있으며, CO2 포집 효율을 향상시키는 데 중점을 두고 있다. 본 연구에서는 직접공기포집의 중요성, 발전 중인 비용 동향 및 기후 변화 완화에 있어서 막의 발전이 중요한 역할을 강조하고 있고, 덧붙여서 이 연구에서는 막 기반 DAC에서의 permeance와 selectivity의 이론적 배경, 조건, 구성, 장단점에 대해 알아보았다.

Direct air capture (DAC) technology plays a crucial role in mitigating climate change. Reports from the International Energy Agency and climate change emphasize its significance, aiming to limit global warming to 1.5 ℃ despite continuous carbon emissions. Despite initial costs, DAC technology demonstrates potential for cost reductions through research and development, operational learning, and economies of scale. Recent advancements in high-permeance polymer membranes indicate the potential of membrane-based DAC technology. However, effective separation of CO2 from ambient air requires membranes with high selectivity and permeability to CO2. Current research is focusing on membrane optimization to enhance CO2 capture efficiency. This study underscores the importance of direct air capture, evolving cost trends, and the pivotal role of membrane development in climate change mitigation efforts. Additionally, this research delved into the theoretical background, conditions, composition, advantages, and disadvantages of permeance and selectivity in membrane-based DAC.

키워드

과제정보

This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (2020R1A6A1A03038697).

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