Pemanfaatan Arang Aktif Sabut Kelapa Sawit Sebagai Adsoben Zat Warna Sintetis Reactive Red-120 Dan Direct Green -26

Abstract

The problem of environmental polution caused by waste of batik industry lately is increasing, so it needed a method to overcome that problem. The aim of this study was to determine the ability of activated charcoal from coconut fiber palm in adsorbing Reactive Red-120 and Direct Green-26 dyes in waste of batik along with determining the parameters of isotherms adsorption using UV-Vis Spectrophotometer analysis method. Variations of pH, contact time, adsorbent weight and temperature were carried out as variable to obtain optimum conditions of the adsorption process. The optimum of conditions for Reactive Red-120 occured at pH 3 and a contact time of 30 minutes, while Direct Green-26 occurred at pH 4 and a contact time of 40 minutes, with each adsorbent weight 150 mg and the temperature 30 °C. Adsorption isotherms determined by Freundlich and Langmuir models with maximum adsorption capacity (Qmax) were obtained for the Reactive Red-120 was 400 mg/g, while Direct Green-26 is 169 mg/g.

Adsorption of Anionic and Cationic Dyes in Batik Wastewater Using Biomass Adsorbents: Literature Review

“…The results showed that the optimum adsorption condition occurred at pH 2 with an adsorption capacity of 322.6 mg/g. Puspita et al [46] also reported the adsorption of reactive red-120 dye using palm fiber as an adsorbent. The variations of pH used were from pH 2 to 8.…”

“…After all, the dye solution forms a new layer on the surface of the adsorbent so that it covers the adsorbent surface. Puspita et al[46] researched the adsorption of reactive red-120 dye using oil palm coir adsorbent with contact time variations from 10 to 90 minutes.Optimum adsorption conditions occurred at contact time of 30 minutes. Musafira et al[54] did adsorption of rhodamine B dye using kepok banana peels as an adsorbent.…”