甲酸存在下硝酸根在二氧化钛表面光催化还原成氨

催化学报 , 1999, 20(3): 378-380.

1.南昌大学化学系,南昌,330047

2.南昌大学化学系,南昌,330047

3.南昌大学化学系,南昌,330047

4.科隆大学无机化学研究所,科隆 D-50939,德国

PHOTOCATALYTIC REDUCTION OF NITRATE TO AMMONIA ON TITANIA IN THE PRESENCE OF FORMIC ACID

用甲酸作空穴清除剂,研究了TiO2水悬浮体系中硝酸根光催化还原成氨的反应.与草酸作空穴清除剂相比,甲酸加速硝酸根的还原更显著.研究了硝酸根和甲酸根的浓度效应及pH效应.实验结果表明,硝酸根在TiO2表面的吸附是加速该光催化还原反应的重要因素.

[1]	Hoffmann MR;MartinST;Choi W et al.[J].Chemical Reviews,1995,95(01):69.
[2]	Li Y X;Wasgestian F .[J].Journal of Photochemistry and Photobiology A:Chemistry,1998,112(2/3):255.
[3]	Stamm H .[J].Angewandte Chemie,1934,47:791.
[4]	Kormann C;Bahnemann D W;Hoffmann M R .[J].Environmental Science and Technology,1991,25(03):494.
[5]	KudoA;DomenK;Maruya K.[J].Chemistry Letters,1987(06):1019.
[6]	Ranjit KT;Varadarajan T K;Viswanathan B .[J].Journal of Photochemistry and Photobiology A:Chemistry,1995,89(01):67.
[7]	Hermann M;Boehm HP .[J].Zeitschrift fur Anorganische und Allgemeine Chemie,1969,368(1/2):73.
[8]	Harbour J R;Hair M L .[J].Journal of Physical Chemistry,1979,83(06):652.
[9]	Stanbury D M .[J].Advances in Inorganic Chemistry,1989,33:69.

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