AI Article Synopsis
- The study investigates the photo-degradation of C.I. Disperse Blue 56 (DB56) using UV irradiation combined with manganese minerals, finding similar effectiveness to the UV/TiO2 method in degrading the dye and its toxicity.
- Under specific conditions (DB56 concentration at 400 mg/L, pH at 9.0, manganese dosage at 20 g/L, 25°C, and 50 L/h O2), the process achieved approximately 94% removal of color and 51% reduction in chemical oxygen demand.
- The findings suggest that the UV/MM method could be a promising alternative for treating dyeing wastewater and should be further explored.
Article Abstract
Photo-degradation of C.I. Disperse Blue 56 (DB56) by UV irradiation combined with manganese minerals (UV/MM) was investigated in this paper. Through comparative study with the UV/titanium dioxide (TiO2) process, it was found that the UV/MM method had similar photodegradation efficiency to UV/TiO2 and was slightly more effective in removing the toxicity. In the conditions of DB56 concentration = 400 mg/L, pH = 9.0, manganese minerals dosage = 20 g/L, room temperature (25 degrees C), dissolved oxygen (O2) = 50 L/h, and reaction time = 1 hour, the color and chemical oxygen demand removal percentages were up to approximately 94 and 51%, respectively. The results of this study indicate that UV/MM is an alternative approach that should be explored further in the treatment of dyeing wastewaters.
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| http://dx.doi.org/10.2175/106143009x12529484816196 | DOI Listing |
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