Removal of disperse blue 2BLN from aqueous solution by combination of ultrasound and exfoliated graphite |
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| Authors: | Li Ji-Tai Li Mei Li Ji-Hui Sun Han-Wen |
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| Institution: | College of Chemistry and Environmental Science, Hebei University, Key Laboratory of Analytical Science and Technology of Hebei Province, Baoding 071002, PR China. orgsyn@mail.hbu.edu.cn |
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| Abstract: | This paper reports an efficient and convenient removal of disperse blue 2BLN from aqueous solution by the combination of ultrasound and exfoliated graphite. The various affecting factors were studied. The removal ratio of disperse blue 2BLN is 96.9% for the initial concentration of 200 mg/L using 600 mg/L exfoliated graphite (exfoliation volume of 300 mL/g) at 45 degrees C within 120 min under ultrasound. The combination method was more effective than sonolysis or exfoliated graphite treatment individually. |
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