The development of a high functional continuous filtration system for sericite powders

Heekyu Choi; Ochirhuyag Bayanjargal; JunIchiro Tsubaki; Takamasa Mori; Tadamitsu Sugimoto; JungEun Lee

Korean Journal of Chemical Engineering, Vol.25, No.5, 1165-1169, September, 2008

DOI10.1007/s11814-008-0192-1 Export Citation

The development of a high functional continuous filtration system for sericite powders

Heekyu Choi^†, Ochirhuyag Bayanjargal¹, JunIchiro Tsubaki¹, Takamasa Mori¹, Tadamitsu Sugimoto², and JungEun Lee³

School of Nano & Advanced Materials Engineering, Changwon National University, Changwon, Gyoungnam 641-773, Korea
¹Department of Molecular Design and Engineering Graduate School of Engineering, Nagoya University, 464-8603, Japan
²Chuo Kakohki Co., Ltd., Aichi, 470-1112, Japan
³Industrial Liaison Innovation Cluster, Pusan National University, Busan 609-735, Korea

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A cake-less continuous filtration equipment has been developed based on an evaluation of inorganic powder slurry characteristics by many kinds of measurement methods, such as a sedimentation test under gravity and a hydrostatic pressure test. We have been developing a high-performance cake-less filtration system in which a condensed inorganic powder slurry layer maintains its fluidity. The development of this novel filtration system has allowed us to cease the scraping operation of the cake as well as to collect the highly condensed slurry more easily. These results clearly show that a new device may be realized for the deposition of highly condensed, fluid slurries. It is confirmed that the concentration of the condensed slurry amounted to 35 vol% while still retaining fluidity. The specifications of our new filtration system and its operation conditions for scale-up can be determined by theoretical methods. There is good potential for successfully collecting high condensation slurry more easily in a multiple filter system.

Keywords:Filtration;Hydrostatic Pressure;Rotating Disk Filter;Thickening

[References]

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Choi H, Ochirhuyag B, Ato K, Mori T, Tsubak J, Sugimoto T, Development of a high performance cake-less continuous filtration system, Proceedings of the 43rd Symposium on powder Science and Technology, 520 (2005)
Tsubaki J, Ochirhuyag B, Ato K, Ato T, Choi H, Sugimoto T, Development of a high performance cake-less continuous filtration system, the proceedings of FILTECH, 51 (2005)

[1] McCabe WL, Smith JC, Harriott P, Unit operations of chemical engineering, 6th ed., New York; McGraw-Hill, 993 (2002)

[2] Engler J, Wiesner MR, Water Res., 32(2), 557 (2002)

[3] Yang KS, Choi HJ, Kim CB, Kim IS, Jhon MS, Korean Chem. Eng. Res., 11, 8 (1994)

[4] Schwille JA, Mitra D, Lueptow RM, J. Membr. Sci., 204(1-2), 53 (2002)

[5] Jaffrin MY, Ding LH, Akoum O, Brou A, J. Membr. Sci., 242(1-2), 155 (2004)

[6] Koch W, Hoflinger W, Pongratz E, Oechsle D, Sep. Purif. Technol., 26(1), 111 (2002)

[7] Bouzerar R, Paullier P, Jaffrim MY, Desalination, 150, 79 (2003)

[8] Tsubaki J, Kato M, Miyazawa M, Kuma T, Mori H, Chem. Eng. Sci., 56(9), 3021 (2001)

[9] Tsubaki J, Mori T, Funtai to Kogyo, 36(5), 52 (2004)

[10] Tsubaki J, Kuno K, Inamine I, Miyazawa M, J. Soc. Powder Technol. Japan, 46(6), 432 (2003)

[11] Choi H, Ochirhuyag B, Ato K, Mori T, Tsubak J, Sugimoto T, Development of a high performance cake-less continuous filtration system, Proceedings of the 43rd Symposium on powder Science and Technology, 520 (2005)

[12] Tsubaki J, Ochirhuyag B, Ato K, Ato T, Choi H, Sugimoto T, Development of a high performance cake-less continuous filtration system, the proceedings of FILTECH, 51 (2005)