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Received January 20, 2014
Accepted February 23, 2014
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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비전통자원개발에 따른 수처리 최신 기술

Recent Water Treatment Technology for Unconventional Natural Resource Development

한남대학교 화학공학과, 305-811 대전광역시 유성구 유성대로 1646 1서울과학기술대학교 화공생명공학과, 139-743 서울시 노원구 공릉길 232 2한국지질자원연구원 미래정책연구실, 305-350 대전광역시 유성구 과학로 124
Department of Chemical Engineering, Hannam University, 1646 Yuseong-daero, Yuseong-gu, Daejeon 305-811, Korea 1Department of Chemical & Biomolecular Engineering, Seoul National University of Science & Technology, 232 Gongneung-gil, Nowon-gu, Seoul 139-743, Korea 2Future R&D Policy Department, Korea Institute of Geoscience and Mineral Resources, 124 Gwahang-no, Yuseong-gu, Daejeon 305-350, Korea
jxpark@kigam.re.kr
Korean Chemical Engineering Research, April 2014, 52(2), 154-165(12), 10.9713/kcer.2014.52.2.154 Epub 1 April 2014
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Abstract

최근 수평시추, 수압파쇄 등의 기술발전에 따라 셰일가스, 셰일오일, 석탄층 메탄가스 등 비전통자원개발이 활성화 되었다. 이러한 기술발전으로 생산성이 향상되었지만, 화학약품이 포함된 수압파쇄 유체와 오일, 가스와 고농도의 염과 방사성 물질을 함유하는 생산수가 가스 생산중 발생하게 된다. 이같이 생성된 대량의 폐수에 따른 부정적인 환경적 요인은 비전통자원개발에 주요 장애요소로 급격히 대두되고 있다. 본 연구에서는 비전통자원개발에 따른 회수수와 생산수의 처리방법에 대한 융합적인 토대를 제시하고, 새롭게 떠오르는 다양한 수처리 기술을 총설하고자 한다. 비전통 자원개발 현장에 적용 가능한 기본적인 분리공정인 막분리, 증발, 결정화, 탈염공정 기술을 소개하고 또한 대량의 수자원을 사용하는 비전통자원개발의 특성상 물의 재이용 및 재활용이 가능한 기술을 소개하고자 한다.
Development of unconventional natural resources such as shale gas, shale oil and coal bed methane, has been activated and improved the productivity due to the recent technology advance in horizontal drilling and hydraulic fracturing. However, the flowback water mixed with chemical additives, and the brine water containing oil, gas, high levels of salts and radioactive metals is produced during the gas production. Potential negative environmental impact due to large volumes of the produced wastewater is increasingly seen as the major obstacles to the unconventional natural resource development. In this study an integrated framework for the flowback and brine water treatment is proposed, and we reviewed the upcoming state of the art technology in water treatment. Basic separation processes which include not only membrane, evaporation, crystallization and desalination processes, but the potential water reuse and recycling techniques can be applied for the unconventional natural resource industry.

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