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SnO2 is prepared by the hydrolysis and the automatic oxidation of SnCl2 in water, it shows the photocatalytic activity for the degradation of methyl orange in water under the UV light illumination. In the above process, methyl orange concentration decreases quickly, the total organic carbon (TOC) decreases slowly; inorganic ions (SO42−, NO3−, NH4+) can be formed; the pH value in the system decreases...
Natural rutile, which contains substituting metal ions as V 5+ and Fe 3+ , was found to exhibit good photoactivity in visible light. The result showed that 60.59% of methyl orange (MO) was photodegraded after 1h visible light irradiation. Compared with P25 TiO 2 , the efficiency and mechanism of MO degradation by natural rutile was discussed. The visible light response was...
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