FePCTiO2与PVDF膜耦合处染料废水.docx

优秀毕业论文 精品参考文献资料 FePc—Ti％与 FePc—Ti％与P、rDF膜耦合处理染料废水 杯中组装成了一个简易的悬浮型催化剂一膜反应器。考察TpH、染料溶液浓度以及染料 种类等因素对耦合体系处理染料溶液效果的影响。将悬浮型湿式氧化催化．膜分离耦合 工艺与单独的湿式氧化催化和膜分离处理染料溶液的效果进行了对比。膜对催化剂的有 效截留克服了单独的湿式氧化催化工艺中催化剂需要多次通过过滤等手段分离回用，并 存在较多质量损失的问题。 关键词：酞菁铁一二氧化钛；光催化一膜分离耦合；共混；表面接枝；酞菁铁一二氧化钛／ 壳聚糖；悬浮型催化剂一膜反应器 万方数据 大连理工大学硕士学位论文Abstract 大连理工大学硕士学位论文 Abstract Dye wastewater is one of the most untreatable industrial contaminant because of its’high BOD，COD and chroma．Membrane separation process and advanced oxidation technology including catalytic wet oxidation(cwo)and photocatalytic method have received the widespread attention as the present dye wastewater treatment processes．As a biomimetic photoeatalyst，metal phthaloeyanine(Mac)compounds have a good absorption property in the visible light range and could effectively utilize sunlight to treat dye wastewater．But when the MPc is used alone in an aqueous solution，it is easy to reunite and deactivation．The photocatalytic degradation activity of MPc could be improved by loading it on the carriers like Ti02．The coupling of photocatalyst or CWO catalyst with membrane separation process， can not only keep the respective process characteristics and removal efficiency of their own， but also has a synergistic effect to improve the treating rate．Therefore，in this paper,iron phthalocyanine(FePc)was loaded on the Ti02 to prepare FePc-Ti02 photocatalyst，and then iron phthalocyanine-titanium dioxide／chitosan ffePc-Ti02／CS)material WaS made to improve catalytic properties of FePc-Ti02．The iron phthalocyanine·titanium dioxide／polyvinylidene fluoride(FePc—Ti02／PVDF)membrane and iron phthalocyanine-titanium dioxide／polyacrylic acid-polyvinylidene fluoride(FePc-TiOz／PAA-PVDF)membrane were prepared to realize the embedded and surface load type that coupling photocatalyst and membrane．The FePc—Ti02／CS material and millipore PAA-PVDF membrane were utilized to get a suspending catalyst-membrane reactor,which can realize the coupling of CWO and membrane separation process·