多孔材料对医药中间体废水的降解研究
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摘要
研究以氯化铁与活性炭为主要原料,分别添加淀粉、尿素等物质,利用化学沉淀反应,通过真空高温焙烧制备废水降解材料;然后利用材料对医药中间体废水进行降解。研究结果表明以氯化铁、活性炭、淀粉、尿素4种物质为原料制备出的TC4材料内部明显呈现蜂窝多孔状。研究还发现该材料对医药中间体废水中COD的降解能力最强,在连续运行的实验系统中对废水COD的平均降解率能够高于60%,且运行稳定。
The porous wastewater degradation material was prepared by using ferric chloride and activated carbon as the main raw materials,adding catalytic materials,using chemical precipitation reaction,and then calcining at high temperature by vacuum. The materials were then used to degrade the pharmaceutical intermediate wastewater. The results showed that TC4 material prepared from ferric chloride,activated carbon,starch and urea was honeycomb porous and the material had the strongest ability to degrade COD in pharmaceutical intermediate wastewater. In the continuous operation experimental system,the average degradation rate of COD in wastewater was higher than 60%,and the operation was stable.
The porous wastewater degradation material was prepared by using ferric chloride and activated carbon as the main raw materials,adding catalytic materials,using chemical precipitation reaction,and then calcining at high temperature by vacuum. The materials were then used to degrade the pharmaceutical intermediate wastewater. The results showed that TC4 material prepared from ferric chloride,activated carbon,starch and urea was honeycomb porous and the material had the strongest ability to degrade COD in pharmaceutical intermediate wastewater. In the continuous operation experimental system,the average degradation rate of COD in wastewater was higher than 60%,and the operation was stable.
引文
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[2]王增玉,张敬东.难生物降解有机废水处理技术现状与发展[J].工业水处理,2002,22(12):1-5.
[3]陈晓康,宁培森,丁著明.树脂吸附法处理有机废水的研究进展[J].热固性树脂,2015,30(6):55-64.
[4]郭洋,王恒,衡加丽,等.吸附法处理环氧氯丙烷高盐有机废水的研究[J].广州工,2015,43(15):91-92.
[5]史铁锤,黄雪琴,邵和松.蒸发浓缩法对高盐废水的处理效果[J].安徽农业科学,2017,45(14):46-47.
[6]班福忱,孙晓昕,李美然,等. Fenton法处理有机废水的研究进展[J].建筑与预算,2016,(9):51-54.
[7]席彩文,刘彬彬.臭氧氧化法处理难降解有机废水[J].工业安全与环保,2005,31(11):15-17.
[8] WANG Yu-ping,WANG Lian-jun,PENG Pan-ying,et al. Treatment of naphthalene derivatives with iron-carbon micro-electrolysis[J].Transactions of Nonferrous Metals Society of China,2006,16(6):1442-1447.
[9]刘峰.铁碳微电解技术预处理头孢合成制药废水[J].环境影响评价,2017,39(3):94-96.
[10] XU X Y,CHENG Y,ZHANG T,et al. Treatmeng of pharmaceutical wastewater using interior micro-electrolysis/Fenton oxidation-coagulation and biological degradation[J]. Chemosphere,2016,152:23-30.
[11]刘永红.处理印染废水的内置铁炭UASB-SBR联用系统[J].环境工程,2012,11(3):45-58.