Journal of Energy Engineering (에너지공학)

The Korean Society for Energy (한국에너지학회)
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Water-Splitting and Highly Active Catalysts Technology for CO2 Reduction

물 분해와 CO2 환원을 위한 고활성 촉매기술

  • 정평진 (한국과학기술정보연구원)
  • Received : 2016.12.15
  • Accepted : 2017.08.10
  • Published : 2017.09.30
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Abstract

Currently, exhaust gas emitted from thermal power plants and various combustion facilities that consume large amounts of fossil fuels such as coal, oil, and natural gas contains high concentrations of $CO_2$ and is a major cause of global warming. Conventionally, as a countermeasure against this problem, research and development are being carried out from various fields, and it is considered to be one of the most promising methods for separating and recovering $CO_2$ in the exhaust gas. One of the reasons for the low use of carbon dioxide is oxidized among the carbon compounds and is present in the most stable state. From the viewpoint of $CO_2$ emissions, $CO_2$ immobilization technology, which converts $CO_2$ into chemically useful compounds, is considered to be more important.

현재, 석탄이나 석유, 천연가스 등의 화석연료를 대량으로 소비하는 화력발전소나 각종 연료시설로부터 배출되는 배기가스에는 고농도의 $CO_2$가 포함되어 있으며, 지구온난화의 주된 원인으로 되어 있다. 종래, 이 대책법으로서 다방면으로부터 연구개발이 수행되고 있으며, 배기가스 중의 $CO_2$를 분리 회수하여 처분하는 것도 매우 유망한 방법의 하나라고 생각되고 있다. 이산화탄소의 화학적 이용이 적은 이유의 하나는, 이산화탄소가 탄소화합물 중에서도 산화되어 가장 안정한 상태로 존재하기 때문이다. $CO_2$ 배출의 관점에서 앞으로 $CO_2$를 화학적으로 유용한 화합물로 변환시키는 $CO_2$ 고정화 기술이 더욱 중요하다고 생각된다.

Keywords

References

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