1Department of Chemistry, Lambung Mangkurat University, Indonesia
2Research Catalyst Group, Department of Chemistry, Lambung Mangkurat University, Indonesia
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@article{JKSA23969, author = {Heny Dewi and Joko Santoso and Nur Trianda and Rodiansono Rodiansono}, title = {Synthesis and Characterization of Ag@C-TiO2 Nanocomposite for Degradation of Sasirangan Textile Wastewater}, journal = {Jurnal Kimia Sains dan Aplikasi}, volume = {22}, number = {6}, year = {2019}, keywords = {@C-TiO2 nanocomposite, Ag@C-TiO2 photocatalyst; photocatalytic degradation; Sasirangan wastewater}, abstract = {Carbon-titanium oxide nanocomposite (denoted as @C-TiO 2 ) was successfully synthesized via hydrothermal method at 150°C for 24 h. The C-TiO 2 nanocomposite was furtherly modified by adding an Ag metal dopant (denoted as Ag@C-TiO 2 ) to improve and applied to the photocatalytic degradation of Sasirangan textile wastewater. The composite photocatalysts were characterized by XRD and UV–Vis DRS spectroscopies. XRD patterns showed that TiO 2 in @C-TiO 2 mainly consisted of a brookite phase, as indicated by a series sharp diffraction peak at 2θ = 27.2° (111), 31.5° (121) and 55.9° (241). The calculated band gap energy ( E g ) derived from UV-Vis DRS spectra for TiO 2 , @C-TiO 2 , and Ag@C-TiO 2 were 2.95 eV, 2.54 eV, and 2.74 eV, respectively. Ag@C-TiO 2 photocatalyst was found to be active for the photocatalytic degradation of Sasirangan textile wastewater, as indicated by the change of wastewater color from dark to clear. The quantitative photocatalytic activity of Ag@C-TiO 2 was evaluated in the degradation of methylene blue, whereas the conversion of methylene blue was 41.3%. The addition of Ag to @C-TiO 2 is believed to play an essential role in the enhancement of photocatalytic activity.}, issn = {2597-9914}, pages = {299--304} doi = {10.14710/jksa.22.6.299-304}, url = {https://ejournal.undip.ac.id/index.php/ksa/article/view/23969} }
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