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研究了以 10 0W直管高压汞灯为光源 ,以TiO2 为催化剂 ,并将TiO2 固定在不锈钢质反应器内壁 ,对有机染料活性艳红X -3B进行光降解的可行性。结果表明 ,在本实验条件下 ,本系统对该染料有明显的光降解作用。浓度为5 0mg l-1的染料溶液 ,经 3 0min光照 ,其降解率达 95 .8%。此外 ,还探讨了多种因素对光降解的影响。
The feasibility of photodegradation of reactive brilliant red X-3B with organic dye was studied with 10W straight tube high pressure mercury lamp as light source, TiO2 as catalyst, and TiO2 immobilized on the inner wall of stainless steel reactor. The results show that under the experimental conditions, the system has obvious photodegradation of the dye. The dye solution at a concentration of 50 mg l-1, after 30min illumination, the degradation rate was 95.8%. In addition, the influence of many factors on photodegradation was also discussed.