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- Title
Effectiveness and efficiency between CuO/natural zeolite catalysts and ZnO/natural zeolite in naphthol blue–black waste management by photolysis degradation method.
- Authors
Zilfa; Arifin, B.; Zein, R.; Rahmayeni; Ummi, S.; Ramadhan, S.
- Abstract
This research compares the level of effectiveness and efficiency of photolysis catalysts made from natural Clinoptilolite-Ca type zeolite with CuO or ZnO for naphthol blue–black dyes. Degradation was carried out using 365 nm UV light at 10 W. The degradation products were analyzed by UV-VIS spectrophotometer and Fourier transform infrared (FTIR). FTIR, X-ray diffraction (XRD), and scanning electron microscopy (SEM) were used in catalyst characterization. The results showed that degradation of 20 mL naphthol blue-black 6 mg/L after 45 min irradiation without a catalyst was 5.30%, with 0.6 g ZnO/zeolite this increased to 80.43% while 0.8 g CuO/zeolite resulted in 41.41% degradation. If irradiation time was increased to 90 min, the percent degradation was 88.54% for the ZnO/zeolite catalyst and 57.25% for CuO/zeolite. Degradation without irradiation after 90 min was 37.62% for CuO/ zeolite and 43.33% for ZnO/zeolite. When simulated naphthol blue–black industrial waste was used 0.6 g ZnO/zeolite use resulted in 81.55% degradation and 0.8 g CuO/zeolite 37.36%. FTIR result shows a shift in the wavenumber confirming that degradation had indeed occurred. Characterization of both catalysts before and after the degradation reaction using FTIR, XRD, and SEM showed no change in the structure of the catalyst.
- Subjects
ZEOLITE catalysts; NAPHTHOL; ZINC oxide; WASTE management; INDUSTRIAL wastes; ZEOLITES
- Publication
Desalination & Water Treatment, 2021, Vol 226, p400
- ISSN
1944-3994
- Publication type
Article
- DOI
10.5004/dwt.2021.27253