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Reawaruw, Delvika R.
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Biochemistry, Genetics & Molecular Biology Chemistry Engineering Environmental Science

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Kinetic Study And Isoterm Adsorption Of Pb Metal In Ouw Village Clay Activated Ammonium Nitrate Salt Sekewael, Serly J.; Tehubijuluw, Hellna; Reawaruw, Delvika R.
Indonesian Journal of Chemical Research Vol 1 No 1 (2013): Edisi Pertama (First Edition)
Publisher : Jurusan Kimia, Fakultas Sains dan Teknologi, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ijcr.2013.1-ser

Abstract

Kinetics studies and adsorption isotherms of Pb metal have been conducted on activated clay salts of ammonium nitrate (NH4NO3). Clays used are taken from Ouw village, Central Maluku. Clay activated by soaking in a solution of NH4NO3 700 ppm for 5 hours, then filtering and heating in a furnace at 550 oC for 4 hours. The optimum adsorption of metal ions Pb (II) by activated clay ammonium nitrate occurs at pH 4 with a contact time of 4 hours and followed the Freundlich adsorption isotherm pattern with a Kf value of 1.6193 x 10-8 mg/g and n value of 0.2059. Pb adsorption kinetics followed the pseudo-second-order Lagergren equation with the value of the adsorption rate constant (k2, ads) of 0.1248 g mg-1 min-1 and Xe value of 4.4783 mg/g.
Co-Authors Hellna Tehubijuluw Sekewael, Serly J.