Open AccessApplication of zeolite intercalated calcium carbonate from pokea shell (Batissa violacea celebensis) waste as adsorbent Ni2+ ion
Author(s) -
Mashuni,
La Ode Ali Imran Ahmad,
Fitri Handayani Hamid,
Sudarlin
Publication year - 2021
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1763/1/012006
Subject(s) - adsorption , freundlich equation , zeolite , langmuir , nuclear chemistry , intercalation (chemistry) , fourier transform infrared spectroscopy , chemistry , langmuir adsorption model , isothermal process , inorganic chemistry , materials science , chemical engineering , organic chemistry , catalysis , physics , thermodynamics , engineering
The purpose of this study was to obtain adsorbent zeolite modified by CaCO 3 from pokea shell (PS) waste to adsorb Ni 2+ ions. Adsorbents are made through the intercalation method, where the PS powder is mixed to zeolites in 0.1 M HCl with 3 ratios of 3:1, 2:2 and 1:3 (g/g), respectively. The optimization of adsorption power was carried out by using parameters such as pH, contact time and concentration variation of Ni 2+ ion solution. The analysis of the adsorption capacity and type of bond using the Freundlich and Langmuir isotherm equations. The characterization of the active site composition of the adsorbent was used FTIR instrument. FTIR spectra showed that CaCO 3 modified zeolite adsorbent include Si-OH, O-H, Al-O, Si-O, C-H, Ca-C and C-O from CaCO 3 and C-O from CO 3 2 -functional groups. The results showed that the best adsorbent was it with the zeolite-PS powder ratio of 3:1, the optimum conditions were obtained at pH 5, contact time at 60 minutes and 45 mg l −1 concentration. Adsorption of Ni 2+ ions meets the Freundlich isothermal with adsorption capacity and energy of 1.33 mg g −1 and 5.78 kJ mol −1 .