Comprehensive approach to determining the physical properties of granular activated carbons

Yu Chun Chiang, Pen Chi Chiang, E. E. Chang

研究成果: 雜誌貢獻文章同行評審

25 引文 斯高帕斯(Scopus)

摘要

The objectives of this research were to identify the physical characteristics of activated carbons manufactured by peat, bituminous coal and coconut shell as well as examine the correlation among these properties. The helium density and mercury density were measured by using the recommended standard methods; in addition, the adsorption isotherms of nitrogen, argon and mercury were reported by using the automatic adsorption apparatus. The results manifested the pore features could be realized from the adsorption isotherm and hysteresis loop of nitrogen. In addition, as the percent of macropore volume was significant, the composite approach would be recommended as an alternative for analyzing pore features. The result of factor analysis implied the characteristic energy of adsorption was associated with the pore size distribution. It intended, except for physical adsorption, other mechanisms might coact on adsorption processes.
原文英語
頁(從 - 到)237-247
頁數11
期刊Chemosphere
37
發行號2
DOIs
出版狀態已發佈 - 七月 1998

ASJC Scopus subject areas

  • 環境科學 (全部)
  • 環境化學

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