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中文摘要：
在实验室条件下,取大连市黑石礁海域海水,加入风化好后的柴油配制成模拟石油污染海水,通过分别改变催化剂的掺杂比、溶液pH、催化剂添加量、光照时间和柴油初始浓度等因素,研究各因素对上转换材料TiO2复合光催化剂催化降解海洋石油污染的影响效果,并通过正交试验优化了光催化降解海洋石油污染的条件。结果表明：在海洋中柴油初始浓度为0.1 g/L时,催化剂掺杂比为15%,催化剂添加量为40 mg,溶液pH为7的条件下催化降解2.5 h,海洋石油污染光催化降解效果最好,降解率可达88.85%。
英文摘要：
Effects of dosage, pH value, and doped UV-vis conversion agent/TiO2 composite photocatalyst, illumi-nation time and initial concentration of oil on the degradation of stimulated oil-polluted seawater prepared by seawa-ter collected in Heishijiao, Dalian, supplemented with weathered diesel, in a laboratory. The condition of photoca-talysis degradation was optimized by orthogonal experiment. The results showed that the maximal photocatalytic deg-radation （88. 85%） was found under the conditions of oil-pollution concentration of 0. 1 g/L, catalysts doped 15%, catalyst dose 40 mg, pH 7 and 2. 5 h degradation.
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