국가 수소공급 인프라 구축을 위한 블루수소의 역할
Role of Blue Hydrogen for Developing National Hydrogen Supply Infrastructure
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한국정부의 수소경제 활성화 대책이 제시된 이후 안정적이고 경제성을 갖춘 수소공급 기반확충을위한 노력들이 진행되고 있다. 궁극적으로는 그린수소를 활용한 탈탄소 수소경제 달성을 목표로하지만, 수소경제 초기 단계에서는 다양한 공급원에 대한 타당성 검토가 필요하며 현실적으로는 블루수소에 대한 의존성이 상당 기간 높을 것으로 전망되고 있다. 블루수소 공급원 개척을 위해서는 국가 차원의 구체적인 확보전략 수립과 해외 산유국 또는 기술선진국과의 협력은 필수적이다. 이 연구에서는 블루수소 확보를 위해 요구되는 수요 기술, 대상국 협력 환경 등을 분석하였다. 블루수소 확보에 있어 이산화탄소 처분 및 회수증진 적용을 동시에 고려한 모델은 충분한 경쟁력을 갖추고 있는 것으로 예측되며, UAE, 미국, 캐나다 등과의 협력이 우선 고려되어야 할 것으로 판단된다. 상용 수준의 공급원 확보를 위해 정부간 협력 체계 구축 및 적절한 정부 지원을 통한 수소 현지생산 및 국내 도입 연계 실증사업이 필요하며, 이를 통해 안정적이고 보다 경제적인 블루수소 공급원이 확보될 수 있을 것으로 판단된다
Abstract
The “Hydrogen Economy Roadmap of Korea,” which was released by the government, included an overseas source of hydrogen to consolidate the supply chain. The ultimate goal of hydrogen economy would be established by using green hydrogen from renewables. However, blue hydrogen is expected to form a considerable proportion of the hydrogen supply chain in the initial stage of hydrogen economy. To develop a new path of blue hydrogen supply, it is inevitable to build collaborative strategies with international oil producers or technologically advanced countries. By investigating the required technologies and collaborative environments of countries that have high potentials, the scheme of blue hydrogen supply was proposed. The business model integrated with CCS-EOR would be competitive, and UAE, USA, and Canada should be preferentially considered for collaborative target countries. To acquire commercial-level feasibility, it is necessary to perform an integrated pilot project, which includes overseas hydrogen production, CCS-EOR, and transportation.
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