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A New Method for Phosphorus Recovery Using Magnesium Alloy Electrode under Tensile Stress
Corresponding Author(s) : D.Y. Ju
Asian Journal of Chemistry,
Vol. 30 No. 1 (2018): Vol 30 Issue 1
Abstract
The electrochemical activity of a magnesium alloy (AZ91-Zn-In-Sn-MnS) was controlled by applying tensile stress in sludge concentrated in a gravitational precipitation tank for phosphorus recovery. Phosphorus was removed from the sludge through anodic deposition on an electrode and recovered as concentrated phosphate solutions through cathodic dissolution under a tensile stress of 10 MPa. The magnesium alloy is a more practical material for phosphorus recovery, since its electrochemical activity can be controlled under tensile stress conditions than conventional metals such as aluminum and cast iron, with which recovery of phosphorus in the form of concentrated phosphate solutions is difficult.
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- C.J. Bettles, M.A. Gibson and K. Venkatesan, Scr. Mater., 51, 193 (2004); https://doi.org/10.1016/j.scriptamat.2004.04.020.
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References
K. Suzuki, Y. Tanaka, K. Kuroda, D. Hanajima, Y. Fukumoto, T. Yasuda and M. Waki, Bioresour. Technol., 98, 1573 (2007); https://doi.org/10.1016/j.biortech.2006.06.008.
Z. Liu, Q. Zhao, K. Wang, D. Lee, W. Qiu and J. Wang, J. Environ. Sci. (China), 20, 1018 (2008); https://doi.org/10.1016/S1001-0742(08)62202-0.
G.K. Morse, S.W. Brett, J.A. Guy and J.N. Lester, Sci. Total Environ., 212, 69 (1998); https://doi.org/10.1016/S0048-9697(97)00332-X.
P. Cornel and C. Schaum, Water Sci. Technol., 59, 1069 (2009); https://doi.org/10.2166/wst.2009.045.
A. Tolkou, A. Zouboulis, C. Raptopoulou, K. Kalaizidou, M. Mitrakas, P. Palasantza,A. Noula and A. Christodoulou, Proceedings of The World Congress on New Technologies (New Tech. 2015), Barcelona, Spain, July 15-17, p. 157 (2015).
K.S. Le Corre, E. Valsami-Jones, P. Hobbs and S.A. Parsons, J. Critical Reviews Environ. Sci. Technol., 39, 433 (2009); https://doi.org/10.1080/10643380701640573.
E. Nassef, Eng. Sci. Technol., 2, 403 (2012).
T.S.N.S. Narayanan, Rev. Adv. Mater. Sci., 9, 130 (2005).
Y. Zhang, C. Yan, F. Wang, H. Lou and C. Cao, Surf. Coat. Technol., 161, 36 (2002); https://doi.org/10.1016/S0257-8972(02)00342-0.
G. Shi, Z. Yu, O. Hamamoto and D.Y. Ju, Autumn Meeting of the Electrochemical Society of Japan, Abstr. No. 1C02 (2015). (in Japanese).
C.J. Bettles, M.A. Gibson and K. Venkatesan, Scr. Mater., 51, 193 (2004); https://doi.org/10.1016/j.scriptamat.2004.04.020.
Z. Yu, H. Zhao, X. Hu and D. Ju, Trans. Nonferr. Met. Soc. China, 20, 318 (2010); https://doi.org/10.1016/S1003-6326(10)60490-6.
F. Xie, F. Wu, G. Liu, Y. Mu, C. Feng, H. Wang and J.P. Giesy, Environ. Sci. Technol., 48, 582 (2014); https://doi.org/10.1021/es4037379.
T. Ishizaki, R. Kudo, T. Omi, K. Teshima, T. Sonoda, I. Shigematsu and M. Sakamoto, Mater. Lett., 68, 122 (2012); https://doi.org/10.1016/j.matlet.2011.10.045.