碳负载铁纳米材料的制备及吸附水中四环素的研究

碳负载铁纳米材料的制备及吸附水中四环素的研究(7400字)

摘 要：针对含四环素废水处理难度大，传统水处理工艺效果不好等问题。采用水热法利用水华蓝藻和氯化高铁制备具有磁性的碳铁复合材料并研究其对水中四环素的吸附性能。通过调节水热反应温度、掺铁的量、反应环境pH等获得不同的碳负载铁纳米材料，结果表明（1）在170℃下采用水热法制备的碳负载铁纳米材料吸附四环素的效果最好；（2）改变掺铁量，当氯化高铁含量为原来的两倍时达到最佳吸附效果（3）采取3、5、7、9、11五个不同的pH值来制备材料，不同的pH对材料的吸附效果影响不大。
关键词：碳负载铁纳米材料；震荡；吸附；表征；影响因素。

Carbon Loading with Iron: Preparation and Application on Removal of Tetracycline in Water 

Abstract: Aim at solving the problems caused by difficult treatment on wastewater containing tetracycline and insufficient effect of traditional wastewater treatment. Using algae and FeCl3•6H2O to make up carbon iron composite materials by means of Hydrothermal and study it’s adsorptivity of tetracycline contained in water. Acquiring different kinds of carbon loaded iron nanometer materials by means of adjusting the temperature of hydrothermal reaction, the amount of iron involved, response environments pH and so on. The experimental findings are as follows:(1) The effect of adsorption tetracycline achieves the best when use the carbon loaded iron nanometer material made up by Hydrothermal under temperature of 170 ℃ (2)Changing the amount of iron involved and the absorptive effect achieves the best when the figure is twice as much as before.(3) Adopting 3,5, 7,9, 11 five different kinds of ph values to prepare materials, only to find that different ph values make little difference to the effect of adsorbing tetracycline in aquatic environment.
Key words: Carbon Loading with Iron；Concussion；Adsorption；Characterization；Influence factors
 

目    录
摘 要    1
关键词    1
1 前言    2
2 国内外研究现状    2
3 材料与方法    3
3.1 水热反应    3
3.2 实验药剂与仪器    4
3.2.1 实验药剂    4
3.2.2 实验仪器    4
3.3碳负载铁纳米材料的制备过程    4
3.3.1 实验步骤    4
3.4碳负载铁纳米材料的吸附试验过程    5
3.4.1 实验步骤    5
4 四环素的标准曲线    6
5 结果与讨论    7
5.1 不同制备温度下的材料表征    7
5.1.1 170℃、190℃、210℃碳负载铁纳米材料扫描电镜测定    7
5.1.2 170℃、210℃碳负载铁纳米材料能谱测定    8
5.1.3 170℃、190℃、210℃碳负载铁纳米材料的磁性性质    9
5.2不同温度条件下制备的材料对四环素吸附的影响    9
5.3 不同含铁量条件下制备的材料对四环素吸附的影响    11
6 总结    13
参考文献    13
致  谢    15