유가스전 생산설비를 활용한 한국의 CCS 저장비용 예비추정 연구
A Preliminary Estimation of CCS Injection Cost with Recycling Injection Equipments
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초록
CO2 배출 저감의 대안으로 CCS 사업을 고려하고 있는 국가들은 CCS 사업의 비용문제를 우려하고 있다. CCS 사업이 요구하는 비용 중 가장 큰 비율을 차지하는 부분은 포집부문의 비용으로 알려져 있으나, 이는 국가별 특성 에 따라 비용이 결정되는 부분이 아니므로 선행 사례를 통해 비용과 장단점을 가늠할 수 있다. 또한 수송비용은 다수의 파이프라인 건설 및 수송사업 경험으로 해당 비용 최적화 방안을 도출할 수 있을 것으로 기대하고 있다. 이에 국내 관 련분야 실적이 미미한 저장부문에서도 비용절감을 위한 대안의 탐색이 요구되고 있어, 본 연구에서는 동해 가스전의 생산시설을 활용할 수 있다는 전제하에, 선행사례들의 자료를 이용하여, 재사용설비를 이용한 저장비용추정을 시산 하였다. 이와 같은 예비추정 결과 저장비용 부분에서 약 51%의 비용저감 효과를 얻을 수 있는 것으로 나타났다.
Abstract
Countries that are considering CCS as an alternative to reducing CO2 emissions are concerned about the cost of the CCS project. The largest portion of the costs required by the CCS project is known as the cost of the capture sector, but this is not a cost-dependent part of the country. In addition, the transportation cost is expected to lead to cost optimization by many pipeline construction and transportation business experiences. Therefore, in this study, preliminary injection cost estimation were made using the data of the precedent cases, assuming that the production facilities of the Donghae gas field-recycling equipments- can be utilized. As a result, it was shown that the cost reduction about 51% would be obtained in the storage cost part.
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