采用沉淀法制备了SnO2催化剂,以SnO2催化臭氧氧化降解糖蜜酒精废水脱色为探针反应,对催化剂的活性进行了评价.采用X射线衍射、红外光谱及热分析(TG-DSC)等技术对催化剂进行表征,研究了沉淀剂及焙烧温度等制备参数对SnO2催化臭氧氧化活性的影响.结果表明,SnO2催化剂对臭氧氧化降解糖蜜酒精废水脱色具有较高的催化活性,反应60 min后,糖蜜酒精废水的脱色率从单独臭氧氧化的43.04%提高到60.24%.沉淀剂对SnO2催化剂的活性影响很大,其中以氨水为沉淀剂制备的SnO2催化剂去羟基化反应程度高,所制得的催化剂活性最大.催化剂适宜的焙烧温度为723 K.SnO2吸附吡啶的红外光谱表明,催化剂表面存在L酸中心.臭氧在SnO2表面吸附的红外光谱表明,通过臭氧的末端氧原子与表面羟基及L酸中心成键,生成的活性氧可氧化降解糖蜜酒精废水.
参考文献
| [1] | Kasprzyk-Hordern B;Ziolek M;Nawrocki J .[J].Applied Catalysis B:Environmental,2003,46(04):639. |
| [2] | Andreozzi R;Lo Casale M S;Marotta R;Pinto G Pollio A .[J].Water Research,2000,34(18):4419. |
| [3] | Tong SP.;Liu WP.;Leng WH.;Zhang QQ. .Characteristics of MnO2 catalytic ozonation of sulfosalicylic acid and propionic acid in water[J].Chemosphere,2003(10):1359-1364. |
| [4] | Ernst M.;Lurot F.;Schrotter JC. .Catalytic ozonation of refractory organic model compounds in aqueous solution by aluminum oxide[J].Applied Catalysis, B. Environmental: An International Journal Devoted to Catalytic Science and Its Applications,2004(1):15-25. |
| [5] | Beltran F J;Rivas F J;Montero-de-Espinosa R .[J].Applied Catalysis B:Environmental,2002,39(03):221. |
| [6] | Gilbert E .[J].Ozone Science and Engineering,2002,24(02):75. |
| [7] | Delano(e) F;Acedo B;Leitner N K V;Legube B .[J].Applied Catalysis B:Environmental,2001,29(04):315. |
| [8] | Tong S P;Leng W H;Zhang J Q;Cao C N .[J].Ozone Science and Engineering,2002,24(02):117. |
| [9] | Cooper C;Burch R .[J].Water Research,1999,33(18):3695. |
| [10] | Rivera-Utrilla J.;Sanchez-Polo M. .Ozonation of 1,3,6-naphthalenetrisulphonic acid catalysed by activated carbon in aqueous phase[J].Applied Catalysis, B. Environmental: An International Journal Devoted to Catalytic Science and Its Applications,2002(4):319-329. |
| [11] | Beltrán F J;Rivas J;Alvarez P;Montero-de-Espinosa R .[J].Ozone Science and Engineering,2002,24(04):227. |
| [12] | Guimar(a)es C;Bento L S M;Mota M .[J].International Sugar Journal,1999,101(1205):246. |
| [13] | González Benito G;Pea Miranda M;García Cubero M T;Uruea Alonso M A .[J].Züchtungskunde,1999,124(05):406. |
| [14] | Coca M;Pena M;Gonzalez G .[J].Chemosphere,2005,60(10):1408. |
| [15] | Pena M.;Coca M.;Gonzalez G.;Rioja R.;Garcia MT. .Chemical oxidation of wastewater from molasses fermentation with ozone[J].Chemosphere,2003(9):893-900. |
| [16] | Lu W S;Schmidt H .[J].Journal of the European Ceramic Society,2005,25(06):919. |
| [17] | 王俊勃,李英民,杨敏鸽,丁秉钧,王鹏飞.SnO2共混Fe2O3纳米氧化物的制备及其组织结构研究[J].功能材料,2005(01):103-106. |
| [18] | Cardona-Martínez N;Dumesic J A .[J].Advances in Catalysis,1992,38:149. |
| [19] | 卢涌泉;邓振华.实用红外光谱解析[M].北京:电子工业出版社,1989:190. |
| [20] | Busca G .[J].Catalysis Today,1998,41(1-3):191. |
| [21] | Corma A .[J].Chemical Reviews,1995,95(03):559. |
| [22] | 刘自力,林维明.红外光谱研究铕改性Mo/HZSM-5催化剂的表面酸性[J].石油化工,1999(10):690-692. |
| [23] | Amalric-Popescu D;Bozon-Verduraz F .[J].Catalysis Today,2001,70(1-3):139. |
| [24] | Mehandjiev D;Naydenov A;Ivanov G .[J].Applied Catalysis A:General,2001,206(01):13. |
| [25] | Viricelle JP;Pauly A;Mazet L;Brunet J;Bouvet M;Varenne C;Pijolat C .Selectivity improvement of semi-conducting gas sensors by selective filter for atmospheric pollutants detection[J].Materials science & engineering, C. Biomimetic and supramolecular systems,2006(2/3):186-195. |
| [26] | Bulanin K M;Lavalley J C;Lamotte J;Mariey L Tsyganenko N M Tsyganenko A A .[J].Journal of Physical Chemistry B,1998,102(35):6809. |
| [27] | Bulanin K M;Lavalley J C;Tsyganenko A A .[J].Journal of Physical Chemistry,1995,99(25):10294. |
| [28] | Bulanin K M;Lavalley J C;Tsyganenko A A .[J].Journal of Physical Chemistry B,1997,101(15):2917. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%