全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

亚甲基蓝在CaTiO3上的吸附动力学

DOI: 10.3969/j.issn.1005-3026.2015.01.016, PP. 73-76

Keywords: CaTiO3,亚甲基蓝,吸附率,吸附等温式,动力学

Full-Text   Cite this paper   Add to My Lib

Abstract:

详细考察了CaTiO3投加量、溶液pH值以及亚甲基蓝(methyleneblue,MB)初始质量浓度对MB在CaTiO3上的平衡吸附率的影响,分析了MB在CaTiO3上的吸附等温式.结果表明,CaTiO3投加量对MB的平衡吸附率影响很小.溶液pH值为7时MB的平衡吸附率高于溶液pH值为4和10时MB的平衡吸附率,说明中性条件有利于MB在CaTiO3上的吸附.MB在CaTiO3上的平衡吸附率随MB初始质量浓度增加而显著降低.MB在CaTiO3上的吸附符合Langmuir吸附等温式,MB在CaTiO3上的饱和吸附量为1.64mg/g.

References

[1]  Fujishima A,Kenichi H.Electrochemical photolysis of water at a semiconductor electrode[J].Nature,1972,238(5358):37-38.
[2]  Yang X,Cao C,Hohn K,et al.Highly visible-light active C-and V-doped TiO2 for degradation of acetaldehyde[J].Journal of Catalysis,2007,252(2):296-302.
[3]  Yu C,Yu J C,Zhou W,et al.WO3 coupled P-TiO2 photocatalysts with mesoporous structure[J].Catalysis Letters,2010,140:172-183.
[4]  Luan J,Pan B,Paz Y,et al.Structural,photophysical and photocatalytic properties of new Bi2SbVO7 under visible light irradiation[J].Physical Chemistry Chemical Physics,2009,11(29):6289-6298.
[5]  Xu C,Wei X,Guo Y,et al.Surfactant-free synthesis of Bi2WO6 multilayered disks with visible-light-induced photocatalytic activity[J].Materials Research Bulletin,2009,44:1635-1641.
[6]  Subramanian V,Roeder R K,Wolf E E.Synthesis and UV-visible-light photoactivity of noble-metal-SrTiO3 composites[J].Industrial Engineering Chemistry Research,2006,45(7):2187-2193.
[7]  Sulaeman U,Yin S,Sato T.Visible light photocatalytic activity induced by the carboxyl group chemically bonded on the surface of SrTiO3[J].Applied Catalysis B:Environmental,2011,102:286-290.
[8]  Tsumura T,Sogabe K,Toyoda M.Preparation of SrTiO3-supported TiO2 photocatalyst[J].Materials Science and Engineering B,2009,157:113-115.
[9]  Wang J,Yin S,Zhang Q,et al.Mechanochemical synthesis of SrTiO3-○x○F○x with high visible light photocatalytic activities for nitrogen monoxide destruction[J].Journal of Materials Chemistry,2003,13:2348-2352.
[10]  Xie T,Sun X,Lin J.Enhanced photocatalytic degradation of RhB driven by visible light-induced MMCT of Ti(IV)-O-Fe(II)formed in Fe-doped SrTiO3[J].The Journal of Physical Chemistry C,2008,112(26):9753-9759.
[11]  Wang D,Ye J,Kako T,et al.Photophysical and photocatalytic properties of SrTiO3 doped with Cr cations on different sites[J].The Journal of Physical Chemistry B,2006,110(32):15824-15830.
[12]  韩冲,杨合,薛向欣.固相合成钛酸钙的光催化性能[J].环境化学,2010,29(5):831-834.(Han Chong,Yang He,Xue Xiang-xin.Photocatalytic property of the solid-phase synthesized titanate calcium[J].Environmental Chemistry,2010,29(5):831-834.)
[13]  杨合,韩冲,李清伟,等.焙烧时间对钛酸钙光催化性能的影响[J].功能材料,2010,41(11):1888-1891.(Yang He,Han Chong,Li Qing-wei,et al.Effect of baking time on photocatalytic properties of titanium calcium[J].Journal of Functional Materials,2010,41(11):1888-1891.)
[14]  杨合,韩冲,薛向欣.焙烧温度对钛酸钙光催化性能的影响[J].东北大学学报:自然科学版,2010,31(9):1296-1299.(Yang He,Han Chong,Xue Xiang-xin.Effect of baking temperature on photocatalytic properties of calcium titanate[J].Journal of Northeastern University:Natural Science,2010,31(9):1296-1299.)

Full-Text

comments powered by Disqus

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133

WeChat 1538708413