Journal
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
Volume 15, Issue 7, Pages 5321-5325Publisher
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2015.10411
Keywords
Alum Sludge; Pellet-Type Adsorbent; Extrusion; Formaldehyde; Breakthrough Time
Categories
Funding
- Korea Ministry of Environment
- Small and Medium Business Administration (SMBA, Korea) [S2098159]
- Korea Evaluation Institute of Industrial Technology (KEIT) [S2098159] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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This study optimizes the synthesis process of pellet-type adsorbents using alum sludge. The effect of the binder and heat treatment temperature on the nanopore formation in the adsorbent is investigated. The pellet-type adsorbent prepared using the powder-type sludge from water treatment is determined to be a material that contains nanopores. The specific surface area is increased significantly after the calcination process in the range of 132-172 m(2)/g. With the calcination treatment, the breakthrough time in the formaldehyde adsorption increases remarkably with an optimum calcination temperature of 400 degrees C. The breakthrough capacity of the formaldehyde increases to a maximum 2.96 mg/g at this temperature.
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