沈阳工业大学硕士学位论文
Fe 78Si 9B 13非晶合金在处理模拟含油废水中的应用pcba检测设备
The Application of Fe 78Si 9B 13Amorphous Alloy in the Treatment
of Simulated Oily Wastewater
作者：单位：指导教师：单位：协助指导教师：单位：论文答辩日期：2018年06月02日
学位授予单位：沈阳工业大学
邱克强教授任英磊教授
沈阳工业大学施中玲
材料科学与工程学院沈阳工业大学汽水热交换器
摘要
近年来，随着石油开采的不断发展，引起水域油类污染不断加重，对水环境造成严重的影响。含油废水是含化学需氧量（COD）高和污染物难降解的一类废水。近年来，越来越多的含油废水处理方法得到了发展，尤以Fenton法较为突出，但同时又表现出一系列限制性。非晶态合金由于具有长程无序、短程有序的原子排列，因而在磁学、力学、催化性能等方面有很多潜在的应用价值。在现有研究中，Fe基非晶合金在废水处理中的应用解决了零价铁粉反应较慢的问题，开辟了非晶合金作为功能材料的新方向。因此，研究Fe基非晶合金处理含油废水对高有机负载量废水的处理具有重要意义。
本文首先研究了Fe78Si9B13非晶条带以类Fenton法在处理模拟柴油废水的过程中，各因素对COD去除率和含油量（O&G）去除率的影响以及Fe78Si9B13非晶合金在含油废水处理中的重复使用性。然后考虑到类Fenton法中，H2O2消耗量大的缺点，以Fe78Si9B13非晶合金为电极，用电Fenton法处理模拟柴油废水，以COD去除率和含油量（O&G）去除率为监测指标，以求进一步降低H2O2的消耗，从而降低废水处理的成本。
二氧化钼研究表明，Fe78Si9B13非晶合金以类Fenton法在处理模拟柴油废水时，发现降解反应符合拟一级动力学反应，在一定实验条件下，对COD和O&G去除率可分别达到80%和84.6%，且Fe78Si9B13非晶条带循环使用3次后仍为非晶态，表现出优越的结构稳定性和重复利用性。以Fe78Si9B13非晶合金为
图像型火焰探测器阳极，石墨板为阴极的电Fenton法与传统Fenton法要求的废水为酸性溶液的特点相一致，在一定实验条件下，pH为3.5时，在电解进行100min后，COD和O&G去除率可分别达89.6%和93.8%，并且COD 去除率随着电流密度的增大而提高。当初始COD或初始O&G浓度越高时，40min后反应速率越高，且出水COD或O&G浓度越高。反应后合金仍为非晶结构，且循环使用4次后，相同负载量的含油废水在处理100min后，COD去除率仍可达到86.3%。与传统Fenton法相比，电Fenton法在降低H2O2消耗以及污染物去除率方面表现出明显的优越性。
关键词：含油废水，铁基非晶，催化剂，降解作用，稳定性
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Abstract
In recent years,with the continuous development of oil exploration,oil pollution in the water has been continuously aggravated,which has a serious impact on the water environment.Oily wastewater is a type of wastewater that contains high levels of chemical oxygen demand(COD)and refractory pollutants.Nowadays,more and more oily wastewater treatment methods have been developed,especially the Fenton method. However,it is revealed that these methods have a series of restrictions.Amorphous alloys have many potential applications in terms of magnetism,mechanics an
尾气吸收塔d catalysis due to their special arrangement of atoms.In the existing research,the application of Fe-based amorphous alloy in wastewater treatment has solved the problem of slow reaction of zero-valent iron powder and opened up a new direction of the amorphous alloy as a functional material.Therefore,it is of great significance to study the treatment of oily wastewater by the Fe-based amorphous alloy to the degradation of high organic loading wastewater.
In this dissertation,the effect of various factors on the removal of COD and oil content (O&G)and the reusability of Fe78Si9B13amorphous alloy in wastewater treatment were studied by the Fenton-like process for the treatment of simulated diesel wastewater. Considering the high consumption of H2O2in the Fenton-like process,Fe78Si9B13 amorphous alloy electrode was used as the electrode to treat the simulated diesel wastewater by the electro-Fenton method.COD removal rate and oil removal(O&G)removal rate were used as the monitoring indicators to further reduce the H2O2consumption,thereby reducing the processing costs.贝克曼梁
The results showed that the degradation reaction of the simulated diesel wastewater which was treated with the Fe78Si9B13amorphous alloy by the Fenton-like method conforms to the first-order kinetic reaction.Under certain experimental conditions,the COD and O&G removal rates could reach80%and84.6%,respectively.With the optimal conditions, the nature of Fe78Si9B13amorphous a
lloy was maintained after being recycled for3times, showing its superior structural stability.The electro-Fenton process,in which the Fe78Si9B13 amorphous alloy was set as the anode and the graphite plate as the cathode,requires for the characteristics of acidic solution.This was consistent to the traditional Fenton process. Under the optimal conditions,after100min electrolysis,the COD removal rate can be up to
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