Development of Activated Carbons from Sunflower Seed Husk for Metal Adsorption

• Tupkanjana Prapin

  Department of Chemical Engineering, King Mongkut’s Institute of Technology North Bangkok

• Phalakornkule Chantaraporn

  Department of Chemical Engineering, King Mongkut’s Institute of Technology North Bangkok

抄録

This study has explored a new source of carbonaceous materials, i.e., sunflower seed husk for the adsorption separation process. Activated carbons were produced from sunflower seed husk using phosphoric acid activation in nitrogen. The properties of activated carbons, i.e., bulk density, ash content, iodine number, surface area and surface functional groups were measured together with copper and chromium adsorption activities. The carbon adsorbed 0.75 mmol Cu²⁺/g carbon and 0.37 mmol Cr⁶⁺/g carbon. The Langmuir model best fitted the copper ion adsorption data, while the Freundlich model best fitted the chromium ion adsorption data. Copper and chromium uptake was directly correlated with the number of groups titrable with the base. The results indicated that the acid-activated sunflower seed husk-based carbons were effective metal ion adsorbents and could potentially replace typical coal-based activated carbons in the treatment of metal contaminated wastewater.

収録刊行物

• JOURNAL OF CHEMICAL ENGINEERING OF JAPAN

  JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 40 (3), 222-227, 2007

  公益社団法人 化学工学会

キーワード

• Activated Carbon
• Sunflower
• Seed Husk
• Adsorption
• Surface Modification

詳細情報

• CRID: 1390001204569531136
• NII論文ID: 10018902688
• NII書誌ID: AA00709658
• DOI: 10.1252/jcej.40.222
• ISSN: 18811299
• ISSN: 00219592
• NDL書誌ID: 8691467
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I8691467
• Web Site: http://www.jstage.jst.go.jp/article/jcej/40/3/40_3_222/_pdf
• 本文言語コード: en
• データソース種別:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可