Wara Dyah Pita Rengga, Sri Wahyuni, Agung Feinnudin
The performance of nanosilver loaded bamboo-based activated carbon as an adsorbent used for the adsorptive removal of formaldehyde in the air. The size porous of the active carbon is predominantly on the size of mesoporous and microporous. Adsorption tests have been evaluated in laboratory scale fixed-bed column, at different temperatures and initial formaldehyde concentration. In order to investigate is both equilibrium and thermodynamic aspects. The experimental data was fitted with Langmuir model and fit well with the adsorption capacity of 91-110 mg/g. The increase in temperature reduces the adsorption capacity. The thermodynamic parameters show that the values of ΔG° obtained to confirm the feasibility of activated carbon effective sorbents of formaldehyde. The formaldehyde adsorption process is exothermic and adsorbent has a good affinity to formaldehyde. © 2017 Trans Tech Publications, Switzerland.
Chemical Engineering Department, Universitas Negeri Semarang, Semarang, Indonesia; Chemistry Department, Universitas Negeri Semarang, Semarang, Indonesia; Jakarta, Indonesia
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