The Water Molecules Dynamic Adsorption Performance Study in the Reverse Osmosis Membrane of Aromatic Polyamide Type

Abstract:

In order to understand the mass transfer process of water molecules in the reverse osmosis membrane based on the dynamic adsorption theory and diffusion transfer concept, according to the theory of random walk, the diffusion-adsorption equation is deduced at the beginning of dynamic adsorption around all diffusion regions. It was studied and analyzed the dynamic adsorption behaviour of H₂O in reverse osmosis membrane of polyamide in the experiment, and the influence of the different temperature to the dynamic adsorption of the reverse osmosis membrane on the early stages was discussed, and calculated the abnormal diffusion index dw. The results showed that the water molecules in this aromatic polyamide type reverse osmosis membrane have the behaviour of abnormal dynamic adsorption, and the higher temperature was, the smaller the abnormal diffusion index dw was.

• Periodical: Advanced Materials Research (Volumes 512-515)
• Pages: 1823-1832
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.512-515.1823
• Online since: May 2012
• Authors: Ru Feng Xiao, Jing Yang Liu, Jian Qiang Zhang
• Keywords: Bibulous Performance, Diffusion Index, Polyamide, Reverse Osmosis (RO)

References

[1] MUHAMMAD S,GEORGE RG,THEODORE TT: Chem Eng Sci Vol.45 (1990), pp.1443-1502

[2] MareelMulder (writer), Lin Li(translator): Basic Theory of Membrane Technology[M]. Beijing: Press of Tsinghai University, pp.378-383(1996). (in Chinese)

[3] Lonsdale HK,Merten U,Riley RI:. Appl. Polym. Sci. Vol. 9 (1965), pp.1341-1362

[4] Paul DR: Membr.Sei. Vol. 24 (2004), pp.371-386

[5] GLADDEN L F,HOLLEWAND M P: AIChE J Vol. 41 (1995), pp.894-906

[6] RIGBY S P: Chem Eng Sci. Vol. 51(1996), pp.2263-2272

[7] Zallen R.: The Physics of Amorphous Solids[M]. New York: AW iley2InternationalPublication(1983),pp.212-216

[8] BundeA., Havlin S.: Fractals and Disordered Systems [M], Berlin: Springer2Verlag, 1991, pp.83-88

[9] O'SHAUGHNESSY,PROCACCIA I: Phy Rev A Vol.32 (1985), pp.3073-083.

[10] GIONAM,ROMAN H E: Chem Eng J Vol. 49(1992), pp.1-10

[11] METZLER R, GLOKLE W G, NONNENMACHER T F:.PhysA Vol.211(1994), pp.13-24

[12] Jingdong Bao.: Progress in Physics Vol. 2 (2005), pp.359-366 (in Chinese)

[13] Lingzao Zeng: Non-periodic Random Resonance Theory in Anomalous Process[D].Zhengjiang University(2008), pp.13-16. (in Chinese)

[14] J. Klafter; M. F. Shlesinger; G. Zumofen: Philosophical Magazine Part B Vol.4 (1992), pp.20-23

[15] Junlin Wu, Xinmin Huang: Acta Physica Sinica,Vol. 55（2006）, pp.6234-6237 (in Chinese)

[16] T. YAMAGUCHI; Y. KIMURA; N. HIROTA: Molecular Physics Vol. 6(1998), pp.221-225

[17] Chaohui Jin, Fengbao Zhang: Chemical Industry and Engineering Vol.21 (2004):206-209 (in Chinese)

[18] HAVLIN S,BEN-AVRAHAM D: Adv Phys Vol. 36(1987), pp.695-798.

[19] Lianke Dong. Fractal theory and Application [M].Sheng Yang:Press of Liaoning Science and Technology(1991). (in Chinese)