载钛羟基磷灰石光催化降解内分泌干扰物双酚A

doi:10.1016/S1872-2067(12)60709-8

催化学报 ›› 2014, Vol. 35 ›› Issue (1): 90-98.DOI: 10.1016/S1872-2067(12)60709-8

载钛羟基磷灰石光催化降解内分泌干扰物双酚A

李前^a, 冯想^a, 张晓^a, 宋寒^a, 张建伟^a, 尚静^a, 孙卫玲^a, 朱彤^a, 若村正人^b, 塚田峰春^b, 陆应亮^c

a 北京大学环境科学与工程学院, 北京 100871 ;
b 富士通研究所环境能源研究中心, 日本神奈川县厚木市;
c 富士通研究开发中心有限公司, 北京 100025

收稿日期:2013-07-22 修回日期:2013-09-11 出版日期:2013-12-23 发布日期:2014-01-17
通讯作者: 尚静
基金资助:
日本富士通研究所环境能源研究中心基金（k120400）；北京市自然科学基金（8132035）；国家自然科学基金（21277004，21190051，41121004）

Photocatalytic degradation of bisphenol A using Ti-substituted hydroxyapatite

Qian Li^a, Xiang Feng^a, Xiao Zhang^a, Han Song^a, Jianwei Zhang^a, Jing Shang^a, Weiling Sun^a, Tong Zhu^a, Masato Wakamura^b, Mineharu Tsukada^b, Yingliang Lu^c

a College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China;
b Environment and Energy Research Center, Fujitsu Laboratories Limited, Atsugi, Japan;
c Fujitsu Research and Development Center Company Limited, Beijing 100025, China

Received:2013-07-22 Revised:2013-09-11 Online:2013-12-23 Published:2014-01-17
Contact: Jing Shang
Supported by:
This work was supported by the Fujitsu Laboratories Limited Foundation (k120400), the Beijing Natural Science Foundation (8132035), and the National Natural Science Foundation of China (21277004, 21190051, 41121004).

摘要/Abstract

摘要：

对载钛羟基磷灰石（TiHAP）进行了透射电镜、X射线衍射、紫外-可见光谱和Zeta电位表征，并应用液相色谱-质谱技术对比了TiHAP和P25 TiO₂对环境内分泌干扰物双酚A（BPA）的吸附和光催化降解性能，探讨了富里酸和Fe³⁺对TiHAP薄膜光催化性能的影响。结果表明，TiHAP和TiO₂粉体对BPA的吸附符合Langmuir吸附等温方程，且前者吸附性能更大。TiHAP薄膜光催化降解BPA的性能优于TiO₂薄膜；富里酸和Fe³⁺对TiHAP和TiO₂薄膜光催化性能的影响趋势不同，从能带结构、电子转移和吸光性等角度分析了性能不同的原因。本结果可以为应用TiHAP降解环境内分泌干扰物提供依据。

关键词: 载钛羟基磷灰石, 光催化, 双酚A, 吸附, 二氧化钛

Abstract:

Ti-substituted hydroxyapatite (TiHAP) is a new photocatalyst with high adsorption capacity and photocatalytic activity. The morphology and structure of TiHAP were characterized using transmission electron microscopy, X-ray diffraction, ultraviolet-visible spectrophotometry, and the zeta potential. The adsorption and photocatalytic degradation of bisphenol A (BPA, an environmental endocrine disrupting chemical) over TiHAP and P25 TiO₂ photocatalysts were studied using liquid chromatography-mass spectrometry. The influences of fulvic acid and Fe³⁺ ions on the BPA degradtion rate were analyzed. The adsorption of BPA on TiHAP and TiO₂ obeyed the Langmuir adsorption equation. TiHAP exhibited much higher adsorption capacity and photocatalytic degradation activity of BPA than TiO₂. Fulvic acid and Fe³⁺ showed different effects on the photocatalytic activity of TiHAP and TiO₂ films. These were explained by band structure theory, the electron transfer path, and optical absorption capacity. The results are useful for the application of TiHAP in the photocatalytic degradation of environmental endocrine disrupting chemicals.

Key words: Titanium-substituted hydroxyapatite, Photocatalysis, Bisphenol A, Adsorption, Titanium dioxide

李前, 冯想, 张晓, 宋寒, 张建伟, 尚静, 孙卫玲, 朱彤, 若村正人, 塚田峰春, 陆应亮. 载钛羟基磷灰石光催化降解内分泌干扰物双酚A[J]. 催化学报, 2014, 35(1): 90-98.

Qian Li, Xiang Feng, Xiao Zhang, Han Song, Jianwei Zhang, Jing Shang, Weiling Sun, Tong Zhu, Masato Wakamura, Mineharu Tsukada, Yingliang Lu. Photocatalytic degradation of bisphenol A using Ti-substituted hydroxyapatite[J]. Chinese Journal of Catalysis, 2014, 35(1): 90-98.

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载钛羟基磷灰石光催化降解内分泌干扰物双酚A

Photocatalytic degradation of bisphenol A using Ti-substituted hydroxyapatite

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