Effect of ultrasound on bisphenol a adsorption on the granular activated carbon

Myunghee Lim, Younggyu Son, Mingcan Cui, Jeehyeong Khim

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The aim of this study is to investigate the effects of ultrasound (power, frequency) on bisphenol A (BPA) adsorption on granular activated carbon (GAC). The result of adsorption isotherm in a BPA solution, using sonicated GAC (at 35 kHz) can more successfully adsorb BPA than sonicated GAC (at 300 kHz) and the original GAC. At low frequency GAC has a high cavitation effect. Therefore, the amount of adsorbed BPA at a low frequency was higher than at a high frequency. In isotherm experiments, ultrasound can enhance the adsorption process in GAC in both frequencies (35 and 300 kHz). These results agree with other previous researches. The effect of power intensity in the adsorption of BPA is increased the adsorption of BPA with increasing power. The optimum power exists and differs from frequencies because the cavitation effect is not the same with different frequencies.

Original languageEnglish
Article number07HE10
JournalJapanese Journal of Applied Physics
Volume49
Issue number7 PART 2
DOIs
Publication statusPublished - 2010 Jul 1

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bisphenols
activated carbon
Activated carbon
Ultrasonics
Adsorption
adsorption
cavitation flow
Cavitation
isotherms
low frequencies
Adsorption isotherms
Isotherms
Experiments

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Effect of ultrasound on bisphenol a adsorption on the granular activated carbon. / Lim, Myunghee; Son, Younggyu; Cui, Mingcan; Khim, Jeehyeong.

In: Japanese Journal of Applied Physics, Vol. 49, No. 7 PART 2, 07HE10, 01.07.2010.

Research output: Contribution to journalArticle

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