Microcystis viridis産成有毒物質の浄水の生物膜法による分解除去

稲森 悠平; 大野 泰宏; 彼谷 邦光; 渡辺 信; 須藤 隆一

doi:10.2965/jswe1978.13.525

Studies on the Removal and Decomposition of Microcystis viridis Toxic Substance in the Bio-film Reactor

Yuhei INAMORI, Yasuhiro OHNO, Kunimitsu KAYA, Makoto M.WATANABE, Ryuichi SUDO

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Keywords: Microcystis viridis, toxic substance cyanoviridin, bio-film reactor, hydraulic retention time

JOURNAL FREE ACCESS

1990 Volume 13 Issue 8 Pages 525-530,498

DOI https://doi.org/10.2965/jswe1978.13.525

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Published: August 10, 1990 Received: - Available on J-STAGE: September 10, 2009 Accepted: - Advance online publication: - Revised: -
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Date of correction: September 10, 2009 Reason for correction: - Correction: CITATION Details: Wrong : 1) Falconer, I.R., Runneger, M.T.C., Buckley, T., Huyn, V.L. and Bradshaw, P. (1989) Using activated carbon to remove toxicity from drinking water containing cyanobacterial blooms, Journal American Water Works Association, 81,102~105.
2) Gorham, P.R. and Carmichael, W.W. (1979) Phicotoxins from blue-green algae, Pure and Applied Chemistry, 52,165~174.
4) Krishnamurthy, T., Szafraniec, L., Hunt, D.F., Shabanowitz, J. Yates, J.R., Hauer, C.R., Carmichael, W.W., Skulberg, O., Codd, G.A. and Missler, S. (1989) Structual characterization of toxic cyclic peptides from blue-green algae by tandem mass sprctrometry, Proceedings of the National Academy of Science of the United States of America, 86,770~774.
5) Kaya, K, and Watanabe, M.M. (1990) Microcystin compositions of an axenic clonal strain of Microcystis viyidis and Microcystis viyidis-con-taining waterblooms in Japanese freshwaters, Journal of Applied Phicology, in press.

Right : 1) Falconer, I.R., Runneger, M.T.C., Buckley, T., Huyn, V.L. and Bradshaw, P. (1989) Using activated carbon to remove toxicity from drinking water containing cyanobacterial blooms, Journal American Water Works Association, 81,102-105.
2) Gorham, P.R. and Carmichael, W.W. (1979) Phicotoxins from blue-green algae, Pure and Applied Chemistry, 52,165-174.
4) Krishnamurthy, T., Szafraniec, L., Hunt, D.F., Shabanowitz, J. Yates, J.R., Hauer, C.R., Carmichael, W.W., Skulberg, O., Codd, G.A. and Missler, S. (1989) Structual characterization of toxic cyclic peptides from blue-green algae by tandem mass sprctrometry, Proceedings of the National Academy of Science of the United States of America, 86,770-774.
5) Kaya, K, and Watanabe, M.M. (1990) Microcystin compositions of an axenic clonal strain of Microcystis viyidis and Microcystis viyidis-con-taining waterblooms in Japanese freshwaters, Journal of Applied Phicology, in press.

Abstract

This study was conducted for the purpose to make clear the effect of hydraulic retention time (HRT) on the removal and decomposition of Microcystis viridis toxic substance cyanoviridin in the bio-film reactor existing small metazoa, and the stability of decomposition of cyanoviridin in the continuous bio-film reactor using high performance liquid chromatography. The results obtained from this study are as follows.
(1) Toxic substance cyanoviridin was removed more than 70% under short HRT such as 1.5h and more than 90% under long HRT such as 12h (2) High removal efficiency of cyanoviridin could be accomplished in the continuous bio-film treatment process for long term. (3) The accumlations of cyanoviridin could not almost be recognized in the bio-film, therefore, it was suggested that cyanoviridin could be decomposed efficiently by biological functions. (4) It was made clear that the bio-film treat-ment process was effective method to remove the both algal cells and toxic substance cyanoviridin in the water purification process from extremely eutrophied lake water.

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