Evaluation of Modified Isobutylene-Isoprene Rubber Cryogels as Sorbents for Oil Removal

Abstract:

Two new kinds of modified isobutylene-isoprene rubber (IIR) oil absorbers were successfully prepared via freeze-thaw method. In order to further improve IIR oil-sorbents performance, graphite and nanosilica were chosen as modifiers. The cryogels were prepared cross-linking of IIR containing modifier in benzene at-5 °C, using sulfur monochloride as crosslinker. The modified IIR structures were characterized by using scanning electron microscopy (SEM) and contact angle analysis (CA). The results show that graphite-modified IIR exhibit much higher uptake capacity than silica-modified. The sorption capacity of the best graphite-modified sample reaches 19.68 g.g^-1 for crude oil, 19.98 g.g^-1 for diesel and 19.50 g.g^-1 for lubricating oil, respectively. The adsorbed liquids can be removed by centrifuging and the recovered materials could also be used more than 30 cycles. This study demonstrated graphite-modified IIR are more excellent and recommendable materials for oil removal.

• Periodical: Advanced Materials Research (Volumes 955-959)
• Pages: 671-675
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.955-959.671
• Online since: June 2014
• Authors: Wen Bo Chai, Xiao Yan Liu*, Xin Ying Zhang, Jun Chen Zou, Li Fei Dong
• Keywords: Cryogelation, Graphite, Oil Adsorption, Reusability, Silica Nanoparticles

References

[1] M. Radetic, V. Ilic, D. Radojevic, R. Miladinovic and D. Jocic: Chemosphere Vol. 70 (2008), p.525.

DOI: 10.1016/j.chemosphere.2007.07.005

[2] J.T. Wang, Y.A. Zheng, A.Q. Wang: J. Environ Sci. Vol. 25 (2013), p.246.

[3] O.K. Karakasi, A. Moutsatsou: Fuel Vol. 89 (2010), p.3966.

[4] Q. Zhu, Q.M. Pan, F.T. Liu: J. Phys. Chem. C. Vol. 115 (2011), p.17464.

[5] T.R. Annunciado, T.H.D. Sydenstricker, S.C. Amico: Mar. Pollut. Bull. Vol. 50 (2005), p.1340.

[6] F.M. Plieva, H. Kirsebom and B. Mattiasson: J. Sep. Sci. Vol. 34 (2011), p.2164.

[7] A. Kumar, R. Mishra, Y. Reinwald and S. Bhat: Mater. Today Vol. 13 (2010), p.42.

[8] N. Avcibasi, M. Uygun, M.E. Corman and S. Akgol: Appl. Biochem. Biotech. Vol. 162 (2010), p.2232.

[9] C. Baggiani, P. Baravalle, C. Giovannoli and L. Anfossi: Anal. Bioanal. Chem. Vol. 397 (2010), p.815.

[10] I. Karakutuk, O. Okay: React. Funct. Polym. Vol. 70 (2010), p.585.

[11] D. Ceylan, S. Dogu, B. Karacik, S.D. Yakan and O.S. Okay: Environ. Sci. Technol. Vol. 167 (2011), p.99.

[12] S. Syed, M.I. Alhazzaa and M. Asif: Chem. Eng. J. Vol. 167 (2011), p.99.

[13] X.Q. Yue, R.J. Zhang, F.C. Zhang and L.Q. Wang: Desalination Vol. 252 (2010), p.163.