2015
DOI: 10.4028/www.scientific.net/amr.1101.290
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Adsorption of Remazol Brilliant Blue R (RBBR) by C-4-Ethoxy-3-Methoxyphenylcalix[4]Resorcinarene Triphenylphosphonium Chloride

Abstract: The adsorption of Remazol by CEMPCRP was studied as a function of pH, contact time and concentration. All experiments were carried out using the batch method. The initial and final RBBR concentration were determinated using UV-Vis spectrometer at λ = 592.3 nm. The result showed that the optimum condition of RBBR adsorption were at pH 10, contact time 360 min, and concentration of 300 mg/L. This adsorption followed the Lagergren (first pseudo order) and Langmuir isotherm adsorption model. The adsorption capacit… Show more

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“…Gambar 1. Adsorben C C-4-etoksi-3-metoksifenilkaliks[4]resorsinarena (Wulandari et al, 2013) Berdasarkan penelitian sebelumnya diketahui bahwa energi adsorpsi CKR terhadap anion Cr 2 O 7 2sebesar -28,76 kJ/mol. Proses adsorpsi Cr 2 O 7 2secara efektif terjadi pada pH 4 dengan waktu kontak selama 180 menit dan konsentrasi Cr 2 O 7 2-40 mg/L.…”
Section: Pendahuluanunclassified
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“…Gambar 1. Adsorben C C-4-etoksi-3-metoksifenilkaliks[4]resorsinarena (Wulandari et al, 2013) Berdasarkan penelitian sebelumnya diketahui bahwa energi adsorpsi CKR terhadap anion Cr 2 O 7 2sebesar -28,76 kJ/mol. Proses adsorpsi Cr 2 O 7 2secara efektif terjadi pada pH 4 dengan waktu kontak selama 180 menit dan konsentrasi Cr 2 O 7 2-40 mg/L.…”
Section: Pendahuluanunclassified
“…Konstanta laju adsorpsi Cr 2 O 7 2sebesar 2,528 x10 -2 g mol -1 menit -1 dan kapasitas adsorpsi maksimum 24,37 mg/g. Interaksi yang terjadi mengikuti kinetika orde kedua Ho dan McKay dan model isoterm adsorpsi Langmuir (Wulandari et al, 2013). Proses adsorpsi tejadi pada lapisan (monolayer).…”
Section: Pendahuluanunclassified
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