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연구성과 > 금주의 우수논문

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SCI Review; Early Access

The adsorptive removal of lead ions in aquatic media: Performance comparison between advanced functi
성명 김기현()
소속 공과대학 건설환경공학과
캠퍼스
우수선정주 2019년 12월 3째주
Author Liv, Botao (Dept Civil & Environm Engn); Khan, Azmatullah (Dept Civil & Environm Engn); 김기현 (Dept Civil & Environm Engn); Kukkar, Deepak (Dept Civil & Environm Engn);
Corresponding Author Info Kim, KH; Kukkar, D (reprint author), Hanyang Univ, Dept Civil & Environm Engn, Seoul, South Korea.; Zhang, M (reprint author), China Jiliang Univ, Dept Environm Engn, Hangzhou, Zhejiang, Peoples R China.
E-mail 이메일 아이콘kkim61@hanyang.ac.kr
Document Type Review; Early Access
Source CRITICAL REVIEWS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY Volume: Issue: Pages:- Published:
Times Cited 0
External Information http://dx.doi.org/10.1080/10643389.2019.1694820
Abstract The low permissible concentration of lead ions (Pb2+) in potable water (15 ppb) makes it even more challenging to develop highly efficient water purification technologies. Adsorption has become one of the preferred water treatment techniques for removing various metal species including Pb2+ ions. However, assessment of adsorbent capacities between the tested materials was often made in a biased manner (e.g., derivation of the maximum capacities under unrealistically high initial feeding conditions). In this work, such comparison was made in terms of partition coefficient (PC) as a key metric for the least biased evaluation to explore the best sorbents among materials with a broad range of breakthrough capacities. Nanoscale sorbents derived from carbon-based nanomaterials and MOFs are highly advantageous, as they can offer highly sensitive and selective adsorption of Pb2+ ions. In general, advanced functional materials showcased better adsorption-desorption efficiency for Pb2+ when compared to conventional materials (e.g., over three regeneration cycles). Continuous research and development for the functional materials are further required to scale down the production cost so that cost-effective technologies may be applied for environmental remediation. The future scope for Pb2+ removal techniques is discussed further with respect to the development of novel functional materials.
Web of Science Categories Environmental Sciences
Funding R&D Center for Green Patrol Technologies through the R&D for Global Top Environmental Technologies - Ministry of Environment [2018001850001]; National Research Foundation of Korea (NRF) - Ministry of Science, ICT & Future Planning [2016R1E1A1A01940995]
Language English
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