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| 1 | 光电Fenton技术处理污泥深度脱水液研究显示文摘以光电Fenton技术处理污泥深度脱水液,试验结果表明,利用光电Fenton技术能快速有效地去除废水中的污染物.在最佳试验条件下,即初始pH为3.0,H2O2投加量65.3 mmol·L-1,FeSO4投加量6.53 mmol·L-1[n(Fe2+)∶n(H2O2)=1∶10),外加电压为7.5 V时,经光电Fenton技术处理20 min后污泥脱水液的COD去除率可以达到59.0%.同时TOC、TN、NH+4-N及TP的去除率也分别达到了49.3%、20.6%、73.6%和96.5%.该项研究为光电Fenton技术在废水处理中的应用提供了参考. | 王现丽 王世峰 吴俊峰 濮文虹 杨昌柱 张敬东 杨家宽 | 2014 | 环境科学2014，35，1： | 10 |
| 2 | Synthesis of porous iron hydroxy phosphate from phosphate residue and its application as a Fenton-like catalyst for dye degradation显示文摘Phosphate residue is a kind of hazardous solid waste and if not properly disposed of, could cause serious environmental contaminations. The abundant iron salt available in phosphate residue can be used to prepare photo-Fenton catalytic reagent for wastewater treatment. In this study, the phosphate residue was effectively purified by a hydrothermal recrystallization method, reaching an iron phosphate purity of 94.2%. The particles of iron phosphate were further processed with ball milling with their average size reduced from 19.4 to 1.6 μm. By hydrothermal crystallization of iron phosphate and thermal decomposition of oxalate precursor, porous iron hydroxy phosphate was prepared. The modified porous iron hydroxy phosphate(m-PIHP) of higher surface area with iron oxalate on its surface can degrade 98.87% of Rhodamine B in 15 min. Cyclic experiment showed that the catalyst still had a good catalytic activity after six cycles( > 40%). The X-ray photoelectron spectroscopy results showed that the iron oxalate complex on the catalyst surface decomposed to produce ferrous ions and accelerated the rate of · OH production. The current work demonstrated that the m-PIHP synthesized from phosphate residue and modified with iron oxalate can be used as an effective dye wastewater treatment agent. | Weilin Guo Yin Cao Yi Zhang Lijun Wang Lingxue Kong | 2022 | Journal of Environmental Sciences2022，34，2： | 3 |
| 3 | EDTA离子活化磁性MFe_(2)O_(4)(M=Co,Zn)/还原氧化石墨烯光芬顿催化体系研究显示文摘以溶剂热法制备出磁性MFe_(2)O_(4)(M=Co,Zn)/还原氧化石墨烯(MFe_(2)O_(4)/rGO)纳米复合材料,并表征了材料的物化性能。以不同类型的有机染料为目标污染物,乙二胺四乙酸二钠(EDTA-Na)为络合剂,率先探索了EDTA离子对“MFe_(2)O_(4)(M=Zn,Co)-rGO+H_(2)O_(2)”光芬顿体系催化降解有机染料和循环使用性能的影响。实验结果表明,与“MFe_(2)O_(4)(M=Zn,Co)-rGO+H_(2)O_(2)”反应体系相比,“MFe_(2)O_(4)(M=Zn,Co)-rGO+EDTA+H_(2)O_(2)”光芬顿体系在接近中性pH值和模拟太阳光照射条件下对阴、阳离子型有机染料都具有优异的催化降解活性。其中,“ZnFe_(2)O_(4)-rGO+EDTA+H_(2)O_(2)”体系的光芬顿催化活性高于“CoFe_(2)O_(4)-rGO+EDTA+H_(2)O_(2)”体系,在光照5 min后对RhB的降解率高达92.1%,这主要归因于该反应体系产生的大量羟基自由基(·OH),促进有机染料降解。实验结果揭示了该体系可能的光芬顿反应机理。 | 艾建平 李萌 胡丽玲 多树旺 林梦婷 程丽红 周泽华 李文魁 | 2022 | 陶瓷学报2022，43，6： | 1 |
| 4 | 基于H_(2)O_(2)原位生成的光芬顿体系降解罗丹明B的研究显示文摘为解决光芬顿体系需外部提供H_(2)O_(2)的问题,利用光催化蒽醌法制备H_(2)O_(2)并构建原位生成H_(2)O_(2)的光芬顿体系。通过优化实验条件提高H_(2)O_(2)产率,并通过降解罗丹明B验证该体系的光芬顿性能。结果表明,当二异丁基甲醇与2-乙基蒽醌质量比为80∶1时,H_(2)O_(2)的产率最高,可达13.08 mmol/L;在此条件下,将该反应与光芬顿结合,并将原位产生的H_(2)O_(2)用于降解罗丹明B,10 mg/L罗丹明B的降解效率达到95.59%。因此,实验构建的体系具备良好的催化降解性能。 | 张硕 方浩航 曹旺伟 蔡以艳 贺媚 程芳超 | 2023 | 现代化工2023，43，11： | 0 |
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