New nanoporous carbon materials with high adsorption capacity and rapid adsorption kinetics for removing humic acids

Sangjin Han, Sukjae Kim, Hacgyu Lim, Wonyong Choi, Hyunwoong Park, Jeyong Yoon, Taeghwan Hyeon

Research output: Contribution to journalArticlepeer-review

118 Scopus citations

Abstract

We report that new nanoporous carbon materials (SMC1), which were produced using silica sol particles as templates, show higher and faster adsorption of humic acids than two commercial activated carbons (F400 and Norit SA). In the best result, SMC1 showed 16 times the adsorption capacity of conventional activated carbons. In addition, the adsorption of humic acids on SMC1 proceeded very quickly, reaching the equilibrium concentration of humic acids within 15 min.

Original languageEnglish
Pages (from-to)131-135
Number of pages5
JournalMicroporous and Mesoporous Materials
Volume58
Issue number2
DOIs
StatePublished - 4 Mar 2003

Keywords

  • Adsorption properties
  • Carbonization
  • Humic acids
  • N gas adsorption
  • Porous carbon

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