以廉价的纤维素为原料,经不完全炭化和磺化制得含高密度(1.69 mmol/g) SO3H基团的固体酸催化剂Cellulose-SO3H.结果表明,该催化剂适宜的制备条件为:在400℃炭化15h,再在150℃磺化15h.所得催化剂在油酸与甲醇的酯化反应中表现出明显高于其它几种典型固体酸催化剂(铌酸,Amberlyst- 15,硫酸化氧化锆)的活性,同时还能高效地催化棕榈酸或硬脂酸以及高酸值废油脂(较多脂肪酸)与甲醇的酯化反应.在醇/油摩尔比为25,催化剂用量为10％(基于废油脂的质量),于85℃反应10h的条件下,生物柴油收率约为95％,明显高于上述三种典型固体酸催化剂.连续使用30批次(每批次10 h)后,Cellulose-SO3H仍能保持初始催化活性的90％以上,表现出极好的操作稳定性.可见,所制Cellulose-SO3H催化剂在生物柴油领域具有较好的应用潜力.
参考文献
| [1] | Watanabe Y;Pinsirodom P;Nagao T;Kobayashi T Nishida Y Takagi Y Shimada Y .[J].Journal of the American Oil Chemists' Society,2005,82:825. |
| [2] | Kose O.;Tuter M.;Aksoy HA. .Immobilized Candida antarctica lipase-catalyzed alcoholysis of cotton seed oil in a solvent-free medium[J].Bioresource Technology: Biomass, Bioenergy, Biowastes, Conversion Technologies, Biotransformations, Production Technologies,2002(2):125-129. |
| [3] | Veljkovie V B;Lakicevic S H;Stamenkovic O S;Todorovie Z B Lazic M L .[J].Fuel,2006,85:2671. |
| [4] | Sharma Y C;Singh B;Korstad J .[J].Biofuel Bioprod Bior,2011,5:69. |
| [5] | Melero J A;Iglesias J;Morales G .[J].Green Chemistry,2009,11:1285. |
| [6] | Busca G .[J].Chemical Reviews,2007,107:5366. |
| [7] | Toda M;Takagaki A;Okamura M;Kondo J N Hayashi S Domen K Hara M .[J].Nature,2005,438:178. |
| [8] | Lou WY;Zong MH;Duan ZQ .Efficient production of biodiesel from high free fatty acid-containing waste oils using various carbohydrate-derived solid acid catalysts[J].Bioresource Technology: Biomass, Bioenergy, Biowastes, Conversion Technologies, Biotransformations, Production Technologies,2008(18):8752-8758. |
| [9] | Zong M H;Duan Z Q;Lou W Y;Smith T J Wu H .[J].Green Chemistry,2007,9:434. |
| [10] | 乌日娜,王同华,修志龙,郭峰,潘艳秋,银建中.生物质炭基固体酸催化剂的制备[J].催化学报,2009(12):1203-1208. |
| [11] | Mo X H;Lotero E;Lu C Q;Liu Y J Goodwin J G .[J].Catalysis Letters,2008,123:1. |
| [12] | Suganuma S;Nakajima K;Kitano M;Yamaguchi D;Kato H;Hayashi S;Hara M .Hydrolysis of cellulose by amorphous carbon bearing SO3H, COOH, and OH groups[J].Journal of the American Chemical Society,2008(38):12787-12793. |
| [13] | 赵冠鸿,郑明远,王爱琴,张涛.磷化钨催化转化纤维素制乙二醇[J].催化学报,2010(08):928-932. |
| [14] | Hara M;Yoshida T;Takagaki A;Takata T,Kondo J N,Hayashi S,Domen K .[J].Angewandte Chemie International Edition,2004,43:2955. |
| [15] | Okamura M;Takagaki A;Toda M;Kondo JN;Domen K;Tatsumi T;Hara M;Hayashi S .Acid-catalyzed reactions on flexible polycyclic aromatic carbon in amorphous carbon[J].Chemistry of Materials: A Publication of the American Chemistry Society,2006(13):3039-3045. |
| [16] | Hara M .[J].Topics in Catalysis,2010,53:805. |
| [17] | Hara M .[J].Energy Environmental Science,2010,3:601. |
| [18] | Okuhara T .[J].Chemical Reviews,2002,102:3641. |
| [19] | Semwal, S.;Arora, A.K.;Badoni, R.P.;Tuli, D.K. .Biodiesel production using heterogeneous catalysts[J].Bioresource Technology: Biomass, Bioenergy, Biowastes, Conversion Technologies, Biotransformations, Production Technologies,2011(3):2151-2161. |
| [20] | Shu, Q;Nawaz, Z;Gao, JX;Liao, YH;Zhang, Q;Wang, DZ;Wang, JF .Synthesis of biodiesel from a model waste oil feedstock using a carbon-based solid acid catalyst: Reaction and separation[J].Bioresource Technology: Biomass, Bioenergy, Biowastes, Conversion Technologies, Biotransformations, Production Technologies,2010(14):5374-5384. |
| [21] | 舒庆,张强,高继贤,王金福.炭基固体酸催化制备生物柴油研究进展[J].现代化工,2009(08):21-25. |
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%