Activated Carbon from Tamarind Wood Supported TiO2 for Methylene Blue Dye Removal in Wastewater by Photocatalytic Process
Abstract
The activated carbon from Tamarind Wood supported TiO2 for the application of Methylene Blue (MB) removed in wastewater by photocatalytic process. The carbon from Tamarind Wood was activated by the chemical activation with H3PO4. The characterization of the activated carbon from Tamarind Wood were determined by Scanning Electron Microscope (SEM) Iodine number and MB test, respectively. The results were found that the activated carbon from Tamarind Wood provided higher surface area and more porosity when compared to that of the carbon from Tamarind Wood. Iodine number and MB test were 700 and 120 mg/g, respectively. The studies of calcined temperature and the number of TiO2 coating cycle on the activated carbon from Tamarind Wood were characterized by X-ray diffraction (XRD) and SEM. The calcined temperature at 500°C with 10 coating cycles of TiO2 generated the catalyst of anatase TiO2 on the activated carbon from Tamarind Wood. The XRD patterns of anatase TiO2 catatyst showed the presence of peaks at 2θ of 25.32° 37.80° 48.05° and 55.06°, respectively. The experiment of MB removal in wastewater of the TiO2 coated on the activated carbon from Tamarind Wood was performed using photocatalytic process. It was found that the efficiency persentage of MB removal in wastewatwer was 97.76 with the TiO2 coated on the activated carbon from Tamarind Wood via photocatalytic process.
Keywords: activated carbon, tamarind Wood, methylene blue dye, titanium dioxide, photocatalytic
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