Abstract
The combination of adsorption and photoelectrocatalytic degradation system for Remazol Yellow FG decolorization has been studied. The adsorption of Remazol Yellow FG was carried out using alumina and silica, which was activated using H2SO4 1 M and NaOH 1 M. The adsorption results at optimum pH were then used for photoelectrocatalytic process. Photoelectrocatalytic degradation cell was built by electrode Ti/TiO2 as a cathode and Ti/TiO2-PbO as an anode. Material characterizations were performed by UV-Vis Spectrophotometers, X-Ray Diffraction (XRD), and Fourier Transform Infra-Red (FTIR). Activation of the adsorbent can increase Remazol Yellow FG adsorption on alumina base and silica acid that were reached 99.500% and 81.631%, respectively. The optimum condition of Remazol Yellow FG 6 adsorption by alumina acid was at pH 3, alumina base were at pH 4 and pH 5, and silica base were at pH 6 and pH 10. Degradation of Remazol Yellow FG using TiO2-PbO electrode was 72.756% at potential cells of 7.5 Volts for 10 minutes. The combination of adsorption and photoelectrocatalytic degradation can decrease the concentration of Remazol Yellow FG achieved 99.705%
Highlights
The textile industry was known to be one source of water pollution due to textile production that passes through several stages of the process such as dyeing; leaching, measurement, printing, and improvement that have potentially produce waste
We have studied the decolorization of Remazol Yellow FG by adsorption and photoelectrocatalytic degradation system
Adsorption Remazol Yellow FG with acid activated alumina was optimum at pH 3 about 98.90% (Figure 5a)
Summary
The textile industry was known to be one source of water pollution due to textile production that passes through several stages of the process such as dyeing; leaching, measurement, printing, and improvement that have potentially produce waste. The silica and alumina can be used as an adsorbent in the adsorption of Remazol Yellow FG. We have studied the decolorization of Remazol Yellow FG by adsorption and photoelectrocatalytic degradation system. An optimum condition of adsorbent properties was carried out by adsorption of 10 ppm Remazol Yellow FG on untreated silica and alumina, and acid and base activated.
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