Hydrogen Production by Gasification Technologies

가스화기술을 이용한 수소제조 기술

  • 윤용승 (고등기술연구원 플랜트엔지니어링센터)
  • Published : 2004.02.01

Abstract

Gasification is the essential technology that can meet the interim hydrogen demand of large quantity before entering the hydrogen economy. Although the hydrogen production that is based upon the pure renewable energy like wind and solar power will eventually prevail, the interim mass production of hydrogen for the next ten to twenty years will come from the technologies that can demonstrate the economic feasibility in production cost with a high potential in minimizing CO$_2$ generation and in improving plant efficiency. Particularly, feedstock such as natural gas, coal, petroleum residual oil, wastes, and biomass appears to be utilized in Korea as hydrogen source, at least during the short and medium period of time, owing to the advantage in production cost. Because one of the main reasons behind the recent hydrogen issue is the reduction requirement of CO$_2$ that would be controlled according to the climate change protocol, hydrogen production technologies must be developed to yield the minimal CO$_2$ generation.

가스화기술은 전세계적으로 수소에너지 사회로 진입하는 과정에서 필요한 대량수소 공급체계를 구축하는데 중단기적으로 필요한 기술이다. 장기적으로는 풍력이나 태양광과 같은 순수한 재생가능에너지에 기반한 수소공급 체계로 발전될 것이나, 향후 10-20년간 대량수순 제조가 필요하다면 경제성이 있는 기술을 $CO_2$ 발생이 최소화되면서 효율도 높은 기술로 발전시켜 적용하는 방향으로 진행될 것이다. 특히, 국내에서는 천연가스, 석탄, 중질잔사유, 폐기물, 바이오매스 등의 원료로부터 출발한 수소제조가 경제적인 측면에서 유리하므로 최소한 중단기적으로는 활용될 것으로 보인다 수소에너지 이슈가 부각되는 배경중의 하나가 기후변화협약에 대응한 $CO_2$저감의 필요성이므로, 이들 중단기적으로 활용될 원료들의 수소제조기술들은 반드시 $CO_2$저감이 가능한 기술로서 개발되어야 한다.

Keywords

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