Page 485 - Book Hosokawa Nanoparticle Technology Handbook

8 DEVELOPMENT AND MULTI-FUNCTIONALIZATION OF HIGH-FUNCTIONAL SEPARATION MEMBRANES APPLICATIONS
Table 8.2
Various NF hybrid processes.
Hybrid System Municipal Process Wastewater Food and dairy
NF AC (of FAC) Pesticide removal Micropollutants
micropollutants dioxin dye removal
NF IEX Nitrate removal Nitrate removal
MF/UF NF Satellite ® Tailor-made process Water mining Fermentation products
high-quality water water concentration and
from main purification
(MF/UF) NF RO Seawater desalination Tailor-made process Fractionation and
water high recovery concentration
system
RO NF High recovery seawater High recovery system Dumpsite leachate Multistage RO
desalination dual-purpose treatment combined system
process water (MRC system)
(Bioreactor, chemical Highly polluted surface Advanced wastewater
oxidation) water treatment treatment
(UF) NF
NF ED (EDR) High recovery Caustic recovery pulp
system bleaching effluent
Complexation NF Heavy metal removal Coffee concentration
NF PV VOC removal VOC removal High concentration

One of the significant characteristics of NF mem- [2] RITE: http://www.rite.or.jp/.
branes is that they have an electric charge. Therefore, [3] Y. Iwamoto: Proceedings of meeting for reading
high differential characteristics are required, such as research papers in Japan Fine Ceramics Center,
the separation of salt and organic substances and the pp. 18–19 (2004).
separation of monatomic ions and diatomic ions. [4] K. Inada, Y. Iwamoto and Y. Hirayama: Proceedings
With regard to NF membranes, Maeda et al. [12] of meeting for reading research papers in Japan Fine
took a broad survey of studies and summarized that Ceramics Center, p. 28 (2004).
high-functional performance could be achieved by
hybridization (Table 8.2). Inoue et al. [13] developed [5] T. Kato, K. Inada, Y. Iwamoto, T. Hirayama and
new membranes (DKL-3000X, DKL-4000X) with Y. Ikuhara: Proceedings of annual meeting of the
the same performance as conventional membranes ceramic society of Japan, p. 323 (2004).
even at an ultra-low pressure of 0.3 MPa. These [6] K. Kuraoka, T. Kikukawa and T. Yazawa: Chem. Ind.,
membranes were found to exhibit a high removal rate 57(1), 41–44 (2004).
of humic acid, or the precursor of trihalomethane. [7] T. Yazawa, N. Kubo: Proceeding of the 22nd annual
Large-scale NF membrane plants are already in meeting of the membrane society of Japan, p. 46 (2000).
operation in the USA and Europe. NF membranes [8] D. Gomes, S.P. Nunes and K.V. Peinemann: J. Memb.
seem highly promising as membranes for practical Sci., 246, 13–25 (2005).
use in the future and can be used for sophisticated [9] S.P. Nunes, K.V. Peinemann, K. Ohlrogge, A. Alpers,
water treatment, capable of removing the precursor of
trihalomethane, agrichemicals, environmental hor- M. Keller and A.T.N. Pires: J. Memb. Sci., 157,
mones, etc., from tap water. 219–226 (1999).
[10] P.A. Sermon and F.P. Getton: J. Sol-Gel. Sci. Technol.,
33(1) (2005).
References
[11] K. Matsumoto: J. High Pressure Gas Safety Inst. Jpn,
[1] K. Matsumoto: Yuzanotameno Jituyou Maku Bunnri 39, 8 (2002).
Gijutsu (Practical Membrane Separation Technology [12] K. Maeda: Membrane, 23(5), 235–244 (1998).
for Users), The Nikkan Kogyo Shimbun Ltd., Tokyo, [13] G. Inoue, M. Murakami and Y. Fusaoka: Membrane,
Japan, p. 9 (1996). 26(5), 231–233 (2001).

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