Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains
Vol 2, No 2 (2015): Wisuda Oktober Tahun 2015

Kinetika Adsorpsi Ion Logam Cu2+ Menggunakan Tricalciumphosphate Sebagai Adsorben Dengan Variasi Kecepatan Pengadukan Dan Temperatur

Mustika Canra (Unknown)
Ahmad Fadli (Unknown)
Komalasari Komalasari (Unknown)



Article Info

Publish Date
12 Nov 2015

Abstract

One of the heavy metals can pollute the waters is metal ions Cu2+. The purposes of this research are to observe the effect of stirring rate and temperature on the adsorption of metal ions Cu2+ using adsorbents tricalciumphsphate (TCP) and determine a suitable adsorption kinetics model. The procedure was begun by adding 1 gram of TCP into Cu2+ solution with a concentration of 3 ppm at stirring speed of 100 rpm, 200 rpm, and 300 rpm and a temperature of 30oC, 40oC, and 50oC. Samples were taken every 2 minutes, filtered and analyzed by atomic absorption spectrophotometer (AAS). The result demonstrated that the suitable kinetic model for adsorption of metal ions Cu2+ using TCP adsorbent is pseudosecond order kinetic model with adsorption kinetics constant value of 3,125 g/mg.min. The increased the stirring rate and temperature increase adsorption rat . Type of this adsorption is physics adsorption with activation energy value of 25,016 kJ / mol.Keywords: Adsorption kinetics model, the metal ion Cu2+, tricalciumphosphate, stirring rate and temperature.

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