Journal
SEPARATION AND PURIFICATION TECHNOLOGY
Volume 212, Issue -, Pages 980-985Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.seppur.2018.11.001
Keywords
Sorbent metrics; Sub ppm airborne benzene; Activated carbon; Metal-organic framework
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Funding
- R&D Center for Green Patrol Technologies through the R&D for Global Top Environmental Technologies - Ministry of Environment (MOE)
- National Research Foundation of Korea (NRF) - Ministry of Science, ICT & Future Planning [2016R1E1A1A01940995]
- Korea Ministry of Environment (MOE) [2015001950001]
- Cooperative Research Program for Agriculture Science and Technology Development, Rural Development Administration, Republic of Korea [PJ012521032018]
- Rural Development Administration (RDA), Republic of Korea [PJ012521032018] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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To assess the best sorbents available in real-world treatment of airborne volatile organic compounds (VOCs), we explored four sorbent performance metrics (10% breakthrough volume, space velocity, regeneration cycles, and cost) against benzene, a representative VOC, using well-known sorbents in the partial pressure (P-benzene) range 0.01 - 1 Pa. Accordingly, some common materials (e.g., activated carbons) outperformed novel materials like MOFs. The performance of MOFs was often exaggerated as data were generally collected under unrealistic P-benzene (e.g., > 5,000 Pa). The use of metrics appropriate to real-world conditions is thus critical for selecting sorbents.
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