水资源与水工程学报

文章摘要

黑晓慧,陶红,蔡孝辉,谷守扬,卑蕾蕾.新型微介孔复合材料La/13X/MCM-41光催化降解壬基酚的研究Journal of Water Resources and Water Engineering[J].,2012,23(6):62-65

新型微介孔复合材料La/13X/MCM-41光催化降解壬基酚的研究

Study on photocatalytic degradation of nonylphenol by using mirco/mesoporous composite La/13X/MCM-41

Received:July 17, 2012 Revised:August 05, 2012

DOI：10.11705/j.issn.1672-643X.2012.06.014

中文关键词: La/13X/MCM-41 壬基酚光催化内分泌干扰物

英文关键词: La/13X/MCM-41 nonylphenol photocatalysis endocrine disrupting chemicals

基金项目:上海市自然科学基金项目(10ZR1421300)

Author Name	Affiliation
HEI Xiaohui	School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai 200093, China [KH*3D]
TAO Hong	School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai 200093, China [KH*3D]
CAI Xiaohui	School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai 200093, China [KH*3D]
GU Shouyang	School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai 200093, China [KH*3D]
BEI Leilei	School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai 200093, China [KH*3D]

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中文摘要:

以碱处理后的13X分子筛、硅酸钠为原料,加入模板剂,同时引入La₂O₃,在水热条件下晶化生成具有良好的吸附性能和光催化性能的新型微孔-介孔复合材料La/13X/MCM-41,并将其应用于壬基酚(NP)的光催化降解。通过XRD、TEM、FT-IR、N₂吸附-脱附等技术对复合材料的微观结构进行了表征分析。考察了催化剂用量、NP初始浓度、初始pH、光照时间等对NP光催化降解效率的影响。结果表明:在催化剂用量为0.1g/L、初始浓度为1mg/L、初始pH为6、光照时间为210min的最佳条件下,NP的光催化降解效率可达93%以上,反应符合一级动力学方程,复合材料La/13X/MCM-41具有较高的催化活性。

英文摘要:

Photocatalytic degradation of nonylphenol(NP) using the Mirco/mesoporous Composite La/13X/MCM-41, which was synthesized by hydrothermal method as reported in this article, was carried out to test the catalytic activity of the composite material. The synthesized materials were characterized by powder X-ray diffraction patterns (XRD), transmission electron microscopy (TEM), N_2sorption isotherms, fourier-transform infrared (FT-IR). The influencing factors of the NP photodegradation were also evaluated.The NP removal efficiency can reach above 93% when the optimum conditions are as follows catalyst dosage is 0.1g/L, reaction time is 120min, initial pH is 6and initial concentration is 1mg/L. The NP photodegradation process obeys first-order reaction. The Mirco/mesoporous Composite La/13X/MCM-41 exhibited higher catalytic activity.

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