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Preparation of environmental-friendly N-rich chitin-derived activated carbon for the removal of formaldehyde

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2022, 32(6), pp.1473-1479
  • DOI : 10.1007/s42823-022-00379-x
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General
  • Received : June 30, 2022
  • Accepted : July 11, 2022
  • Published : October 1, 2022

Ryu Dongyeon 1 Kim Doo-Won 1 Kang Yu-Jin 2 Lee Youngjin 2 Nakabayashi Koji 1 Miyawaki Jin 1 PARK JOOIL 3 Yoon Seong-Ho 1

1Kyushu University
2한밭대학교 생명화학공학과
3한밭대학교

Accredited

ABSTRACT

A conventional porous carbon is still a very promising material for the removal of gaseous pollutants because of its abundant surface functional groups and a high specific surface area. Here, we prepared an environment-friendly uniform N-rich narrow micropore activated carbon, for the removal of formaldehyde, based on steam activation and N-rich with chitin as the starting material. A sample carbonized at 500 °C and steam activated at 800 °C (CAC800) showed a reasonable yield (55%) with uniform and narrow micropores without mesopores but having a balanced nitrogen functionality. CAC800 possesses outstanding formaldehyde removal capabilities under both dry and wet (humidity 45%) conditions. In addition, when compared with commercial activated carbon materials, we clearly demonstrated that the existence of high nitrogen content with uniform and narrow micropores simultaneously removed formaldehyde, effectively.

Citation status

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Total Citation Counts(KCI+WOS) (9) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

Scopus Citation Counts (10) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2024-10-01)

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