Synthesis of nanoporous adsorbents using alum sludge

Nayoung Park, Junghyun Bae, Goun Kim, Jong Ki Jeon, Young Kwon Park, Choul Ho Lee

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


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 m2 / g. With the calcination treatment, the breakthrough time in the formaldehyde adsorption increases remarkably with an optimum calcination temperature of 400 - C. The breakthrough capacity of the formaldehyde increases to a maximum 2.96 mg/g at this temperature.

Original languageEnglish
Pages (from-to)5321-5325
Number of pages5
JournalJournal of Nanoscience and Nanotechnology
Issue number7
StatePublished - 1 Jul 2015


  • Alum sludge
  • Breakthrough time
  • Extrusion
  • Formaldehyde
  • Pellet-Type adsorbent


Dive into the research topics of 'Synthesis of nanoporous adsorbents using alum sludge'. Together they form a unique fingerprint.

Cite this