| Preparation and performance of the conductive microfiltration carbon membrane |
| Authors： WANG Rongchun1, SONG Chengwen2, JIANG Shimin1, WANG Hong3, LI Jianxin3,4, WANG Tonghua1 |
| Units： 1 State Key Laboratory of Fine Chemicals, Carbon Research Laboratory, Dalian University of |
| KeyWords： carbon membranes; coal; electric field; carbon black |
| ClassificationCode： |
| year,volume(issue):pagination： 2013,33(2):12-17 |
|
Abstract： |
| Conductive microfiltration carbon membranes, which not only behave as membranes but also as electrodes, were prepared by extrusion method in this paper. The relationship between pore structure and electric conductivity of carbon membranes is studies by adding pore former and carbon black in carbon membranes. Additionally, the change of permeation flux of carbon membranes and electrochemical degradation reaction on enhancing anti-pollution ability under electric fields were investigated. The results showed that electrical conductivity of carbon membranes was enhanced with the decrease of porosity and addition of carbon black. The permeation flux of carbon membranes were significantly improved under electric fields, which may be attributed to electro osmosis and electrochemical reaction. Furthermore, with increase of electric-field strength and electrical conductivity, the permeation flux of carbon membranes increases even more dramatically. In the treatment of methylene blue waste water, conductive carbon membranes demonstrated higher flux and anti-pollution ability owing to electro osmosis and electrochemical degradation reaction, as well as hydrophilic modification of carbon membranes. |
|
Funds： |
|
AuthorIntro： |
|
Reference： |
|
参考文献 [1] Yan L, Hong S, Li M L, et al. Application of the Al2O3-PVDF Nan composite tubular ultra filtration (UF) membrane for oily wastewater treatment and its antifouling research [J]. Separ Purif Technol, 2009, 66: 347-352. [2] Yen H M, Chen K T. Improvement of ultra filtration performance in tubular membranes using a twisted wire-rod assembly [J]. Membr Sci, 2000, 178: 43-53. [3] Akthakul A, Salinaro R F, Mayes A M. Antifouling polymer membranes with subnanometer size selectivity [J]. Macromolecules, 2004, 37: 7663-766. [4] Ma X L, Su Y L, Sun Q, et al. Enhancing the antifouling property of polyetherfulfone ultra filtration membranes through surface adsorption-crosslinking of poly [J]. Membr Sci, 2007, 300: 71–78. [5] Yang Y F, Wan L S, Xu Z K. Surface hydroph -ilization for polypropyle ne microporous membranes: A facile interfacial crosslinking approach [J]. Membr Sci, 2009, 326: 372-381. [6] Li J X, Sanderson R D, Jacobs E P. Ultrasonic cleaning of nylon microfiltration membranes fouled by Kraft paper mill effluent [J]. Membrane Sci, 2002, 205: 247-257. [7] Tarazaga C C, Campderrós M E, Padilla A P. Cha -racterization of exponential permeate flux by technical parameters during fouling and mem brane cleaning by electric field [J]. Membr Sci, 2006, 283: 339-345. [8] Nameri N, Oussedik S, Yeddou R, et al. Enhance ment of ultrafiltration flux by coupling static turbulence promoter and electric field [J]. Separ Purif Technol, 1999, 17:203 -211. [9] 王同华,魏巍,刘淑琴,等.管状多孔炭膜的研究[J].新型炭材料,2000,15(1):6-11. [10] 王同华,刘淑琴,尤隆渤.煤基管状炭膜支撑体的研究(I)原料性质对支撑体孔结构性能的影响[J].煤炭转化,1998,21(3):73-76. [11] 王同华,宋成文.一种煤基炭膜的制备方法[P]:中国,发明专利,CN1490076.2004.04.2 1. [12] 王同华,宋成文.一种煤基炭膜的调孔方法[P]:中国,发明专利,CN1490075.2004.04.2 1. [13] Yang Yang, Jianxin Li, Hong Wang, et al. An Electrocatalytic Membrane Reactor with Self-Cleaning Function for Industrial Wastewater Treatment [J]. Angew Chem, 2011, 123: 2196–2198. [14] Venkataraman K, Choate W T, Torre E R, et al. Characterization studies of ceramic membranes: a novel technique using a coulter porometer [J]. Membr Sci, 1988, 39: 259-265. [15] 王同华,宋成文.一种多孔无机膜的孔径分布测定装置中膜池的结构[P]:中国,实用新型专利,CN2643317.2004.09.22. [16] 赵宗艾,钟富优,王淑娥.电膜滤中电渗效应的研究[J].流体机械,1996,24(5):10-14. [17] 赵宗艾,钟富优.电场作用下十字流膜滤[J].天津大学学报,1997,30(3):353-357. [18] 胡婧逸,邓慧萍,商冉.电场强化错流膜过滤的研究[J].工业用水与废水,2009,40(4):13-18. [19] 张海磊,常明,江菊元,等.采用金刚石膜电极电解污水制氢[J].自然科学,2009(下):69-70. [20] 任百祥,何小琴,温亚梅,等.家用净水设备中活性炭的电解法再生实验研究[J].吉林师范大学学报,2009,(2):29-31. |
|
Service： |
| 【Download】【Collect】 |
《膜科学与技术》编辑部 Address: Bluestar building, 19 east beisanhuan road, chaoyang district, Beijing; 100029 Postal code; Telephone：010-80492417/010-80485372; Fax：010-80485372 ; Email：mkxyjs@163.com
京公网安备11011302000819号