Fabrication of tubular ceramic-supported malic acid cross-linked poly(vinyl alcohol)/ rice husk ash-silica nanocomposite membranes for ethanol dehydration by pervaporation

Tran Minh Ngoc; Tran Minh Man; Mai Thanh Phong; Hoang Minh Nam; Nguyen Huu Hieu

Korean Journal of Chemical Engineering, Vol.36, No.4, 584-590, April, 2019

DOI10.1007/s11814-019-0235-9 Export Citation

Fabrication of tubular ceramic-supported malic acid cross-linked poly(vinyl alcohol)/ rice husk ash-silica nanocomposite membranes for ethanol dehydration by pervaporation

Tran Minh Ngoc¹, Tran Minh Man¹, Mai Thanh Phong², Hoang Minh Nam^{1, 2}, and Nguyen Huu Hieu^{1, 2, †}

¹Key Laboratory of Chemical Engineering and Petroleum Processing, Ho Chi Minh City University of Technology - Vietnam National University (HCMUT - VNU), Ho Chi Minh City 700000, Vietnam
²Faculty of Chemical Engineering, HCMUT - VNU, Ho Chi Minh City 700000, Vietnam

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Silica nanoparticles were prepared from rice husk ash (RHA-silica) by precipitation method. The characterization of RHA-silica was studied by X-ray fluorescence, X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), transmission electron microscopy, and Brunauer-Emmett-Teller specific surface area. Results showed that RHA-silica was successfully synthesized with a particle size of 5-15 nm and purity of 98.08%. The obtained RHA-silica was applied with different content for fabrication of tubular ceramic-supported poly(vinyl alcohol) membranes using malic acid as a cross-linking agent (RHA-silica/MA-PVA) by dip-coating and solvent evaporation methods. The tubular ceramic-supported RHA-silica/MA-PVA membranes were used for dehydration of 95 wt% ethanol solution by pervaporation (PV) technology. Results indicated membrane with 15 wt% RHA-silica (15RHA-silica/MA-PVA) was suitable for the dehydration with permeate flux of 0.0856 kg/m2ㆍh, separation factor of 46.6, and pervaporation separation index of 3.9 kg/m2h. The tubular ceramic-supported 15RHA-silica/MA-PVA membrane was characterized using XRD, FTIR, scanning electron microscope, differential scanning calorimetry, and contact angle measurement. Results showed that this membrane was 30 μm thick, mechanical stable (swelling rate, 133.9%), hydrophobic (contact angle, 81°), and thermal stable (glass transition temperature, 138.7 °C). Therefore, the tubular ceramic-supported nanocomposite membrane could be considered as a potential alternative for PV dehydration of ethanol.

Keywords:RHA-silica;Poly(vinyl alcohol);Nanocomposite;Tubular Membrane;Dehydration;Pervaporation

[References]

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Duy NNP, Hieu NH, Eng. Trans., 56, 1693 (2017)
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[Referenced By]

[1] Uragami T, Saito T, Miyata T, Carbohydr. Polym., 120, 1 (2015)

[2] Baker R, Membrane technology and applications, England, Second Edition, Wiley, 545 (2014).

[3] Ong YK, Shi GM, Le NL, Tang YP, Zuo J, Nunes SP, Chung TS, Prog. Polym. Sci, 57, 1 (2016)

[4] Hunger K, Schmeling N, Jeazet HBT, Janiak C, Staudt C, Kleinermanns K, Membranes, 2, 727 (2012)

[5] Liu L, Kentish SE, J. Membr. Sci., 553, 63 (2018)

[6] Zhu YX, Xia SS, Liu GP, Jin WQ, J. Membr. Sci., 349(1-2), 341 (2010)

[7] Kha NM, Hieu NH, 5th World Conference on Applied Sciences, Engineering & Technology, Ho Chi Minh (2016).

[8] Duy NNP, Hieu NH, Eng. Trans., 56, 1693 (2017)

[9] Samei M, Iravaninia M, Mohammadi T, Asadi AA, Chem. Eng. Process., 109, 11 (2016)

[10] Nagasawa H, Tsuru T, Current Trends and Future Developments on (Bio-) Membranes, 217, Elsevier (2017).

[11] Samei M, Mohammadi T, Asadi AA, Chem. Eng. Res. Des., 91(12), 2703 (2013)

[12] Pingan H, Mengjun J, Yanyan Z, Ling H, RSC Adv., 7, 2450 (2017)

[13] Gu S, Zhou J, Yu C, Luo Z, Wang Q, Shi Z, Ind. Crop. Prod., 65, 1 (2015)

[14] Shelke VR, Bhagade SS, Mandavgane SA, Bull. Chem. React. Eng. Catal., 5, 63 (2011)

[15] Velmurugan P, Shim J, Lee KJ, Cho M, Lim SS, Seo SK, Cho KM, Bang KS, Oh BT, J. Ind. Eng. Chem., 29, 298 (2015)

[16] Li J, Yang C, Zhang L, Ma T, J. Organomet. Chem., 696(9), 1845 (2011)

[17] Thuc CNH, Thuc HH, Nanoscale Res. Lett., 8, 58 (2013)

[18] Rafiee E, Shahebrahimi S, Feyzi M, Shaterzadeh M, Int. Nano Lett., 2, 29 (2012)

[19] Alwan1 TJ, Toma ZA, Kudhier MA, Ziadan KM, Madridge J. Nano Tec. Sci., 1, 1 (2016)

[20] Peng Z, Kong LX, Li SD, Spiridonov P, J. Nanosci. Nanotechnol., 6(12), 3934 (2006)