Dedradasi Metilen Biru Secara Fotolisis Dengan Katalis Cdots Doping Au

Septian Budiman
Hary Sanjaya (Universitas Negeri Padang)
Isnaeni Isnaeni (Badan Riset dan Inovasi Nasional)
Umar Kalmar Nizar (Universitas Negeri Padang)
Edi Nasra (Universitas Negeri Padang)

Jurnal Periodic Jurusan Kimia UNP
Vol 11, No 3 (2022): PERIODIC

The degradation of methylene blue was carried out by photolysis method with the help of a Cdots/Au catalyst. This study aims to determine the optimum concentration of dopen Au for Cdots and the optimum time for degradation of methylene blue with the help of a Cdots/Au catalyst. The photolysis method was carried out in a reactor equipped with 3 15 watt lamps with a UV wavelength of 254 nm. The absorption of methylene blue was measured using a spectrophotometer UV-Vis. The optimum Au dopen results were obtained at a concentration of 25 ppm with a degradation percentage of 39.94% and the optimum time for photolysis degradation was 6 hours of irradiation with a degradation percentage of 70.28%.