1. Qiu, Y.R., and Mao, L.J., Desalination, 2013, vol. 329, pp. 78–85.
2. Jung, M., Schierbaum, B., and Vogel, H., Chem. Eng. Technol., 2000, vol. 23, pp. 70–74.
3. Hong, Y.K., Hong, W.H., and Han, D.H., Biotechnol. Bioprocess Eng., 2001, vol. 6, pp. 386–394.
4. Zhenu, L., Wei, Q., Fei, L., and Youyuan, D., J. Chem. Ind. Eng. (China), 2002, vol. 53, no. 7, pp. 732–736.
5. Gopal, R., Keshav, A., and Seema, Coll. Papers Institute Technology, Nirma University, Ahmedabad, India, 08–10 December 2011.