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Synthesis and characterization of microporous activated carbon from rubberwood by chemical activation with KOH

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2021, 31(5), pp.1079-1088
  • DOI : 10.1007/s42823-020-00224-z
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General
  • Received : August 4, 2020
  • Accepted : December 28, 2020
  • Published : October 1, 2021

Thongpat Wasutha 1 Taweekun Juntakan 1 Maliwan Kittinan 1

1Prince of Songkla University

Accredited

ABSTRACT

This research aims to study the efect of impregnation ratio and activation temperature on microporous development of activated carbon (AC). Rubberwood chips, which are wasted from home furnishing industry, were used as precursors for synthesized of activated carbon by chemical activation employing Potassium hydroxide (KOH) as activation agent. Rubberwood char was carbonized at 400 °C for 1 h under inert gas. In this experiment, the rubberwood chars were impregnated with KOH solution by 1:1–3 (char: KOH) impregnation ratio for 24 h, then the samples were activation at 600–800 °C. Surface area, pore volume, micropore volume, pore size distribution, adsorption isotherm and porous structure were analyzed in this experiment to identify the properties of derived activated carbon. According to the investigation, the activated carbon, activated at 800 °C with impregnation ratio of 1:3, demonstrated the highest surface area, pore volume and micropore volume as 1491.75 m2 /g, 0.6777 cm3 /g, and 0.5813 cm3 /g, respectively. Its average pore size was 1.82 nm and it also showed type I adsorption isotherm which indicates as microporous solid.

Citation status

This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2024-07-27)

Total Citation Counts(KCI+WOS) (21) 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 (26) 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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