[1]孙秀云,段传玲,应盈,等.TiO2光催化降解２，４，６-三硝基间苯二酚机理初探[J].爆破器材,2008,37(03):1-3.
　,,et al.Primary Research on the Photocatalystic Degradation Mechanism of 2,4,6-trinitroresorcinol[J].EXPLOSIVE MATERIALS,2008,37(03):1-3.
点击复制

TiO2光催化降解２，４，６-三硝基间苯二酚机理初探()
分享到：

《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
37
期数:
2008年03
页码:
1-3
栏目:
基础理论
出版日期:
2008-06-20

文章信息/Info

Title:
Primary Research on the Photocatalystic Degradation Mechanism of 2,4,6-trinitroresorcinol
文章编号:
4070
作者:
孙秀云; 段传玲; 应盈; 李健生; 王连军
南京理工大学化工学院（江苏南京，210094）
Author(s):
Ｓｕｎ　Ｘｉｕｙｕｎ; 　Ｄｕａｎ　Ｃｈｕａｎｌｉｎｇ; 　Ｙｉｎｇ　Ｙｉｎｇ; 　Ｌｉ　Ｊｉａｎｓｈｅｎｇ; 　Ｗａｎｇ　Ｌｉａｎｊｕｎ
Ｓｃｈｏｏｌ　ｏｆ　Ｃｈｅｍｉｃａｌ　Ｅｎｇｉｎｅｅｒｉｎｇ，Ｎａｎｊｉｎｇ　Ｕｎｉｖｅｒｓｉｔｙ　ｏｆ　Ｓｃｉｅｎｃｅ　＆　Ｔｅｃｈｎｏｌｏｇｙ（Ｊｉａｎｇｓｕ　Ｎａｎｊｉｎｇ，２１００９４）
关键词:
光催化; TiO2; ２; ４; ６-三硝基间苯二酚; 光催化降解机理
Keywords:
ｐｈｏｔｏｃａｔａｌｙｓｉｓ; 　ＴｉＯ２; 　２; ４; ６Ｔｒｉｎｉｔｒｏｒｅｓｏｒｃｉｎｏｌ; 　ｐｈｏｔｏｃａｔａｌｙｔｉｃ　ｄｅｇｒａｄａｔｉｏｎ　ｍｅｃｈａｎｉｓｍ
分类号:
X703.1
文献标志码:
A
摘要:
在多相光催化反应体系中，使用所制备的催化剂ＴｉＯ２，光催化降解2,4,6-三硝基间苯二酚，初步探讨其降解机理。反应过程中，２，４，６-三硝基间苯二酚开环反应迅速发生，目标污染物被降解为小分子有机物直至矿化；目标污染物上的硝基被?OH 攻击、脱落，在光催化反应前期生成ＮＯ－２，当光催化反应完全时，ＮＯ－２ 被硝化，目标污染物中的N元素以ＮＯ－３、ＮＨ＋４形式存在。ＮＨ＋４的存在意味着降解过程同时存在还原反应。
Abstract:
Ｔｈｅ　ｐｈｏｔｏｃａｔａｌｙｔｉｃ　ｄｅｇｒａｄａｔｉｏｎ　ｏｆ　２，４，６-ｔｒｉｎｉｔｒｏｒｅｓｏｒｃｉｎｏｌ　ｉｎ　ｏｘｙｇｅｎａｔｅｄ　ａｑｕｅｏｕｓ　ｓｕｓｐｅｎｓｉｏｎｓ　ｃｏｎｔａｉｎｉｎｇ　ｓｅｌｆ　ｐｒｅｐａｒｅｄ　ＴｉＯ２　ｌｅａｄｓ　ｔｏ　ｔｈｅ　ｃｏｍｐｌｅｔｅ　ｍｉｎｅｒａｌｉｚａｔｉｏｎ　ｏｆ　ｔｈｅ　ｓｕｂｓｔｒａｔｅ．Ｔｈｅ　ｐｈｏｔｏｄｅｇｒａｄａｔｉｏｎ　ｓｅｅｍｓ　ｔｏ　ｏｃｃｕｒ　ｉｎ　ｔｗｏ　ｓｔｅｐｓ：　ａ　ｒａｐｉｄ　ｏｎｅ　ｄｅｓｔｒｏｙｉｎｇ　ｔｈｅ　ａｒｏｍａｔｉｃ　ｇｒｏｕｐ，　ｆｏｌｌｏｗｅｄ　ｂｙ　ａ　ｍｕｃｈ　ｓｌｏｗｅｒ　ｏｘｉｄａｔｉｏｎ　ｏｆ　ｔｈｅ　ａｌｉｐｈａｔｉｃ　ｃｈａｉｎｓ．Ｔｈｅ　ｆｏｒｍａｔｉｏｎ　ｏｆ　ｉｎｏｒｇａｎｉｃ　ｎｉｔｒｏｇｅｎ　ｓｐｅｃｉｅｓ　ｉｓ　ｔｈｅ　ｒｅｓｕｌｔ　ｏｆ　ｔｈｅ　ｄｅｎｉｔｒａｔｉｏｎ　ｏｆ　ｔｈｅ　ｎｉｔｒｏｐｈｅｎｏｌｓ．Ｔｈｅ　ｈｙｄｒｏｘｙｌ　ｒａｄｉｃａｌ　ｏｘｉｄａｔｉｏｎ　ｉｓ　ｔｈｅ　ｍａｊｏｒ　ｒｅａｃｔｉｏｎ　ｐａｔｈｗａｙ　ｉｎ　ｔｈｅ　ｐｈｏｔｏｃａｔａｌｙｔｉｃ　ｄｅｇｒａｄａｔｉｏｎ　ｏｆ　ｔｈｅ　ｓｕｂｓｔｒａｔｅ．Ｎｉｔｒｉｔｅ　ｉｏｎｓ　ａｒｅ　ｆｏｒｍｅｄ　ｉｎ　ｔｈｅ　ｅａｒｌｙ　ｓｔａｇｅｓ　ｏｆ　ｔｈｅ　ｐｒｏｃｅｓｓ，　ｗｈｅｒｅａｓ　ｎｉｔｒａｔｅ　ａｎｄ　ａｍｍｏｎｉｕｍ　ｉｏｎｓ　ｐｒｅｓｅｎｔ　ａｔ　ｔｈｅ　ｅｎｄ　ｏｆ　ｔｈｅ　ｄｅｇｒａｄａｔｉｏｎ．Ｔｈｅ　ｆｏｒｍａｔｉｏｎ　ｏｆ　ａｍｍｏｎｉｕｍ　ｉｏｎｓ　ｉｍｐｌｉｅｓ　ｔｈａｔ　ｒｅｄｕｃｔｉｖｅ　ｐａｔｈｗａｙｓ　ａｒｅ　ａｌｓｏ　ｓｉｇｎｉｆｉｃａｎｔ　ｕｎｄｅｒ　ｔｈｅ　ｅｘｐｅｒｉｍｅｎｔａｌ　ｃｏｎｄｉｔｉｏｎｓ．

参考文献/References:

［1］Low G K C, McEvoy S R, Matthews R W, et al． Content of chloride, nitrate, and sulphate in snow samples collected from the Snowy Moun tains region of Australia［J］． The Science of The Total Environment,1990, 94(3): 221～232．
［2］Low G K C, McEvoy S R, M atthews R W． Formation of ammonium and nitrate ions from photocatalytic oxidati on of ring nitrogenous compounds over titanium dioxide［J］． Chemosphere,1989, 19(10～11): 1611～1621．
［3］孙秀云, 王连军, 徐林, 等． ＴｉＯ２悬浆体系光催化降解斯蒂酚酸的研究［J］． 爆破器材, 2003, 23(3): 34～37．
［4］Dieckmann M S, Gray K A． A comparison of the deg radation of 4nitrophenol via direct and sensitized photocatalysis in ＴｉＯ２ slurries［J］． Water Research, 1996, 30(5): 1169～1183．
［5］Piccinini P， Minero C， Vincenti M， et al． Pho tocatalytic mineralization of nitrogencontaining benzene derivatives［J ］． Catalysis Today，1997， 39(3)： 187～195．
［6］Ishag M I O, Moseley P G N． Effects of UV light on d ilute aqueous solutions of m and pnitro phenol［J］． Tetrahedron,1977, 33(2 3): 3141～3144．
［7］Wang K H, Hsieh Y H, Chen L J． The heterogeneous pho tocatalytic degradation, intermediates and minera lization for the aqueous solution of cresols and nitrophenols［J］． Journal o f Hazardous Materials,1998,59(2～3): 251～260．
［8］Hori K, Sonoda T, Harada M, et al． Theoretical Study on the Reactivity of Phenyl Cation with a Propyl Group at OrthoPosition［J］． Tetrahedron,2000, 56(11): 1429～1436．
［9］Alif A, Pilichowski J F, Boule P． Photochemistry and environment XIII: Phototransformation of 2nitrophenol in aqueous solution［J ］． Journal of Photochemistry and Photobiology A: Chemistry,1991, 59(2): 209～2 19．
［10］Alif A, Boule P． Photochemistry and environment Part XIV: Phototransformation of nitrophenols induced by excitation of nitrite and nitrate ions［J］． Journal of Photochemistry and Photobiology A: Chemistry, 1991,59(3): 357～367．
［11］Tunesi S, Anderson M A． Photocatalysis of 3,4DCB in ＴｉＯ２ aqueous suspensions, effects of temperature and light intensity, CIRFTIR interfacial analysis［J］． Chemosphere,1987, 16(7): 1447～1456．
［12］Carey F A， Sundberg R J． Advanced Organic Che mistry［M］． Plenum Press， New York， 1990．
［13］Maurino V, Minero C, Pelizzetti E, et al． The fate of organic nitrogen under photocatalytic conditions: degradation of nitrophenols and aminophenols on irradiated ＴｉＯ２［J］． Journal of Photochemistry and Photobiology A: Chemistry,1997, 109(2):171～176．

备注/Memo

备注/Memo:
基金项目：火炸药行业青年创新基金（HZY07020302-8）。
更新日期/Last Update: 2015-05-29