采用三种不同装填分率的聚偏氟乙烯中空纤维微孔膜组件,分别对溶菌酶溶液膜结晶过程进行实验研究,考察了不同装填分率下结晶溶液及洗脱液流速对溶剂跨膜通量和溶菌酶晶体质量的影响.结果表明,由于膜组件中纤维分布不均,导致低装填分率(12.4%)下结晶溶液流速在合适范围内的升高并不能有效提高跨膜通量,而对高装填分率(24.7%)下溶剂跨膜通量的影响不大;不同装填分率下溶剂跨膜通量都随着洗脱液流速的升高而增大.在较低的装填分率下,控制合适的结晶溶液流速及洗脱液流速均可以结晶制得质量较好的晶体.
参考文献
| [1] | Efrem Curcio;Alessandra Criscuoli;Enrico Drioli .Membrane Crystallizers[J].Industrial & Engineering Chemistry Research,2001(12):2679-2684. |
| [2] | Efrem Curcio;Gianluca Di Profio;Enrico Drioli .Membrane crystallization of macromolecular solutions[J].Desalination: The International Journal on the Science and Technology of Desalting and Water Purification,2002(1/3):173-177. |
| [3] | Gianluca Di Profio;Efrem Curcio;Alberto Cassetta;Doriano Lamba;Enrico Drioli .Membrane crystallization of lysozyme: kinetic aspects[J].Journal of Crystal Growth,2003(3/4):359-369. |
| [4] | 魏可贵,张新妙,马润宇.蛋白质溶液的膜结晶：膜结晶法结晶溶菌酶的研究[J].膜科学与技术,2008(03):10-15. |
| [5] | Jasmin Wu;Vicki Chen .Shell-side mass transfer performance of randomly packed hollow fiber modules[J].Journal of Membrane Science,2000(1/2):59-74. |
| [6] | Yujun Wang;Fei Chen;Yan Wang;Guangsheng Luo;Youyuan Dai .Effect of random packing on shell-side flow and mass transfer in hollow fiber module described by normal distribution function[J].Journal of Membrane Science,2003(1/2):81-93. |
| [7] | 李利君,刘丽英,丁忠伟.装填分率对中空纤维膜组件壳程传质性能的影响[J].北京化工大学学报（自然科学版）,2005(03):1-4. |
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%