Abstract
The present investigation studied methylene blue dye treatment using 5-L immersed lamp photocatalytic (UV) reactor. Dye treatment further studied using catalysts effects such as H2O2, ZnO, and TiO2. The marginal higher degradation was obtained for ZnO/UV compared to TiO2/UV effect, and it may be due to higher bandgap energy of ZnO. The maximum degradation was obtained for H2O2/UV (2 g/L) effect. The optimum findings of the present work were initial dye concentration: 31.3 µM, pH: 11, operating temperature: 28 °C, moles of dye removed: 30.1 ± 1.6 µM, moles of total organic carbon removed: 350.4 ± 17.5 µM, rate constant (pseudo-first order): 18.3 ± 0.7 × 10−3 min−1, and energy: 9.4 ± 0.4 × 10−3 µM. The present work showed the higher potential of scale-up photocatalytic reactor for treatment dye pollutants.
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Tadkar, P.S., Borkar, P.K., Gholap, S.N. et al. Treatment of Methylene Blue Dye Using Immersed Lamp Photocatalytic Reactor: 5 L Scale Study. J. Inst. Eng. India Ser. E 100, 199–204 (2019). https://doi.org/10.1007/s40034-019-00150-4
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DOI: https://doi.org/10.1007/s40034-019-00150-4