目录
摘要Ⅱ
关键词Ⅱ
AbstractⅢ
引言
引言1
1材料与方法4
1.1实验原料4
1.2材料制备4
1.3实验操作5
1.4测定方法5
2结果与分析5
2.1不同体系对氯霉素降解的影响5
2.1.1 SnCo2O4/PMS、Co3O4/PMS、SnO2/PMS体系对氯霉素降解的影响5
2.1.2 SnCo2O4/PMS、CuCo2O4/PMS体系对氯霉素降解的影响6
2.2 PMS用量对SnCo2O4/PMS降解氯霉素的影响7
2.3机理推断8
2.4氯霉素的降解路径8
3结论9
致谢10
参考文献10
钴锡双金属氧化物的制备及其催化过一硫酸盐降解氯霉素的研究
摘要
近年来，生物体中残留的抗生素对人类产生了一定程度的不良影响。其中，氯霉素因危害到人类的健康，已被许多国家的地区禁止使用。但因为它的成本比较低，故而使用氯霉素的现象屡禁不止。本文制备了钴锡双金属氧化物(SnCo2O4)，探究了它作为催化剂对过一硫酸盐(PMS)的催化效率，并用催化后的产物来降解氯霉素。我们分别研究了SnCo2O4、SnO2、Co3O4、CuCo2O4四种物质与PMS混合体系中氯霉素的降解情况，并将这四种氧化物对PMS的催化能力进行了对比，证明了SnCo2O4的优越性，同时也探究了PMS用量对SnCo2O4催化PMS降解氯霉素的影响。实验结果表明，SnCo2O4对PMS有非常好的催化效率。PMS的用量会影响氯霉素的降解速率。Co3O4对PMS的催化能力略高于SnO2，但都远远不如SnCo2O4。通过查阅资料获悉，CuCo2O4对PMS也有很好的催化效果，经实验对比，催化能力同样远不如SnCo2O4。在反应初期，PMS用量越大，氯霉素降解地就越快，但在反应后期，每个体系的氯霉素降解速率都会慢慢放缓直至最终稳定。除此之外，通过实验研究和检测，本文对反应机理以及氯霉素的可能降解路径进行了推断。
PREPARATION OF COBALT *51今日免费论文网|www.51jrft.com +Q: *351916072* 
TIN BIMETALLIC OXIDES AND ITS CATALYTIC PERFORMANCE FOR DEGRADATION OF CHLORAMPHENICOL BY PEROXYMONOSULFATE
ABSTRACT
In recent years, antibiotic residues in organisms have a certain degree of adverse effects on human beings. Among them, chloramphenicol, which is harmful to human health, has been banned in many countries. However, because of its low cost, the use of chloramphenicol is difficult to be completely banned. In this paper, cobalttin bimetallic oxide (SnCo2O4) was prepared and its catalytic efficiency for peroxisulfate (PMS) was investigated, and chloramphenicol was degraded by the products after catalysis. We have studied the degradation of chloramphenicol in the mixture of SnCo2O4, SnO2, Co3O4 and CuCo2O4 with PMS, and compared the catalytic ability of these four oxides to PMS. The superiority of SnCo2O4 was proved, and the effect of PMS dosage on the degradation of chloramphenicol by SnCo2O4 was also explored. The experimental results showed that SnCo2O4 could effectively catalyze the degradation of chloramphenicol by PMS, and the degradation rate was affected by the amount of PMS value. The catalytic ability of Co3O4 to PMS was slightly higher than that of SnO2, but it was far lower than that of SnCo2O4. It has been reported that CuCo2O4 also has a good catalytic role in PMS activation. But the catalytic ability was also far lower than that of SnCo2O4。The degradation rate of chloramphenicol increased with the amount of PMS increasing in the range of PMS selected in the experiment, but the degradation rate of each group was gradually close with time, and it was basically unchanged after reaching the maximum. In addition, the mechanism of the reaction and the possible degradation pathways of chloramphenicol were further deduced on the basis of experimental data and analyses.

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