Kyushu University [Keiko Sasaki (Professor) Faculty of Engineering, Department of Earth Resources Engineering]

Research Interests

Remediation of contaminants in grondwaters by permeable reactive barries
keyword : permeable reactive barries, groundwaters, contaminants, remediation
2003.03.
Bioremediation using manganese-oxidizing microorganisms
keyword : manganese-oxidizing microorganisms, biomineralization, nano pores, environmental remediation, bioremediation
2001.04.

Academic Activities

Reports

1.	Investigation of Groundwater Remediation by Permeable Reactive Barriers in North America.

Papers

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1.	M. A. Halim, R. K. Majumder, S. A. Nessa, K. Oda, Y. Hiroshiro, B. B. Saha, K. Sasaki, K. Jinno,Evaluation of processes controlling the geochemical constituents in deep groundwater in Bangladesh: spatial variability on arsenic and boron enrichment ,Journal of Hazardous Materials,in press,2010.01. .
2.	Keiko SASAKI, Koichiro TAKATSUGI, Kazuhiro ISHIKURA, Tsuyoshi HIRAJIMA,Spectroscopic study on oxidative dissolution of chalcopyrite, enargite and tennantite at different pHs,Hydrometallurgy, Vol. 100, pp.144-151, 2010,2010.01. .
3.	Keiko SASAKI, Koichiro TAKATSUGI, Tsuyoshi HIRAJIMA, Kenji KANEKO, Toshihiko OHNUKI, , Olli H. TUOVINEN,Characterization of secondary formed As-bearing precipitates in bioleaching of enargite by As-adapted Acidithiobacillus ferrooxidans ,Hydrometallurgy,2010.07. .
4.	Mohsen Farahat, Tsuyoshi Hirajima, Keiko Sasaki , Katsumi Doi,Adhesion of Escherichia coli onto Quartz, Hematite and Corundum: Extended DLVO Theory and Flotation Behavior,Colloids and Surfaces B: Biointerfaces,Vol. 74, pp.140-149, 2009,2009.07. .
5.	Anggoro T Mursito, Tsuyoshi Hirajima, Keiko Sasaki,Upgrading and dewatering of raw tropical peat by hydrothermal treatment,FUEL,Vol. 89, pp. 635-641, 2010,2009.07. .
6.	Keiko SASAKI, Hitoshi TAKAMORI, Hitoshi YOSHIZAKA, Sayo MORIYAMA, Tsuyoshi HIRAJIMA,Effect of Saw Dusts on Borate Removal from Groundwater in Bench-scale Simulation of Permeable Reactive Barriers　Including Magnesium Oxide,Appl. Geochem.,in press,2009.12. .
7.	Treatment of Heavy Metals in a Constructed Wetland, Kaminokuni, Hokkaido -Accumulation of Heavy Metals in Emergent Vegetations-. .
8.	Treatment of Heavy Metals in a Constructed Wetland, Kaminokuni, Hokkaido -Role of Microorganisms in Immobilization of Heavy Metals in Wetland Soils-. .
9.	Keiko SASAKI, Takuya KASEYAMA, Tsuyoshi HIRAJIMA,Selective sorption of cobalt over nickel using biogenic manganese oxides,Materials Transactions,Vol. 50, pp.2643-2648, 2009,2009.11. .
10.	K. Sasaki, H. Nakano, W. Wilopo, Y. Miura, T. Hirajima,Sorption and speciation of arsenic by zero-valent iron,Colloids and Surfaces A: Physicochemical and Engineering Aspects,in press (DOI information: 10.1016/j.colsurfa.2008.10.033),2008.12. .
11.	W. WILOPO, K. SASAKI, T. HIRAJIMA,Identification of Sulfate-　and Arsenate-Reducing Bacteria in Sheep Manure As Permeable Reactive Materials after Arsenic Immobilization in Groundwater.,Materials Transactions,Vol. 49, No. 10, pp.2275-2282,2008.10. .
12.	Wahyu Wilopo, Keiko Sasaki, Tsuyoshi Hirajima, Toshiro Yamanaka,Immobilization of Arsenic and Manganese in Contaminated Groundwater by Permeable Reactive Barrier Using Zero Valence Iron and Sheep Manure,Materials Transactions,Vo. 49, No. 10, pp. 2265-2274,2008.10. .
13.	Keiko Sasaki, Yousuke Nakamuta, Tsuyoshi Hirajima, Olli H. Tuovinen,Raman characterization of secondary minerals formed during chalcopyrite leaching with Acidithiobacillus ferrooxidans,Hydrometallurgy,Vol. 95, (2009) pp.153-158.,2009.01. .
14.	Olia V. Karnachuk, Keiko Sasaki, Anna L. Gerasimchuk, Olga Sukhanova, Denis A. Ivasenko, Anna H. Kaksonen, Jaakko A. Puhakka, Olli H.Tuovinen,Precipitation of Cu-sulfides by Copper-tolerant Desulfovibrio Isolates,Geomicrobiology Journal,Vol. 25, pp. 1-8,2008.07. .
15.	KEIKO SASAKI, DAVID W. BLOWES, CAROL J. PTACEK,Spectroscopic study of precipitates formed during removal of selenium from mine drainage spiked with selenate using permeable reactive materials,Geochemical Journal,Vol. 42, pp. 283-294,2008.06. .
16.	Keiko Sasaki,Shunsuke Nukina,Wahyu Wilopo, Tsuyoshi Hirajima,Removal of arsenate in acid mine drainage by a permeable reactive barrier bearing granulated blast furnace slag: column study,Ｍａｔｅｒｉａｌｓ　Ｔｒａｎｓａｃｔｉｏｎｓ,Vol. 49(4), pp. 835-844,2008.04. .
17.	K. Sasaki, D. W. Blowes, C. J. Ptacek,Immobilization of selenate in mine drainage by permeable reactive barriers: column performance.,Applied Geochemistry,Vol. 23, No. 5, pp. 1012-1022,2008.02. .
18.	K. Sasaki, H. Tachibana, Y. Ogawa, H. Konno,Oxidation of Mn(II) Ions in Model and Actual Manganese Drainages by a Fungus Closely Related to Phoma sp. like strain KY-1,Materials Transaction,Vol. 49(4), pp. 845-849,2008.04. .
19.	K. Sasaki, M. Matsuda, T. Urata, T. Hirajima, H. Konno,Sorption of Co2+ ions on the biogenic Mn deposits by a Mn-oxidizing fungus,Paraconiothyrium sp.-like strain WL-2,Materials Transaction,Vol. 49(3), pp. 605-611,2008.01. .
20.	Mohsen Frahat, Tsuyoshi Hirajima, Keiko Sasaki, Yuuki Aiba, Katsumi Doi,Adsorption of SIP E. coli onto quartz and its applications in froth flotation,Minerals Engineering,Vol.21(5), pp.389-395,2007.12. .
21.	Jonathan P. Gramp, Jerry M. Bigham, Keiko Sasaki, and Olli H. Tuovinen,Formation of Ni- and Zn-sulfides in cultures of sulfate-reducing bacteria.,J. Geomicrobiology,Vol, 24, pp. 2-7,2007.11. .
22.	K. Sasaki, M. Matsuda, T. Urata, T. Hirajima, H. Konno,Sorption of Co ions on biogenic Mn oxides produced by a Mn-oxidizing fungus, Paraconiothyrium sp.-like strain.,Advanced Materials Research).,20-21, 607-610,2007.07. .
23.	Hidetaka KONNO, Keiko SASAKI, Yuuki OGAWA, Hideki TACHIBANA,Singular effect of carbon fibers on the oxidation of dissolved Mn(II) ions by a fungus closely related to Phoma sp.,Materials Transactions,48(1), 64-67,2007.01. .
24.	Production of Bio-Coal Fuel from Low Rank Coal and Woody Biomass Mixture by Using a Bench-Scale Continuous Hydrothermal Equipment. .
25.	Jonathan P. Gramp, Keiko SASAKI, Jerry M. Bigham, Olia V. Karnachuk, Olli H. Tuovinen,Formation of covellite (CuS) under biological sulphate-reducing conditions.,Geomicrobiology Journal,23, 613-619,2006.11. .
26.	Keiko SASAKI, Minoru Matsuda, Tsuyoshi Hirajima, Keishi Takano, Hidetaka Konno,Immobilization of Mn(II) by a Mn-oxidizing fungus Paraconiothryum sp. like strain at neutral pHs.,Mater. Trans.,47, 10, 2457-2461,2006.10. .
27.	K. Sasaki, T. Sakimoto, M. Endo and H. Konno,FE-SEM study of microbiologically formed jarosites by Acidithiobacillus ferrooxidans.,Mater. Trans.,47(4), 1155-1162,2006.05. .
28.	Keishi TAKANO, Yasoo ITOH, Tagiru OGINO, Kunihiko KUROSAWA, Keiko SASAKI,Phylogenetic analysis of manganese-oxidizing fungi isolated from manganese-rich aquatic environment in Hokkaido, Japan.,Limnology,2006.01. .
29.	Biomineralization of manganese by microorganisms and its application to environmental remediation. .
30.	T. Hirajima, A. Bissombolo, K. Sasaki, K. Nakayama, H. Hirai, and M. Tsunekawa,Floatability of rare earth phosphors from waste fluorescent lamps,Intl. J. Miner. Proc.,77, 187-198,2005.11. .
31.	T. Hirajima, K. Sasaki, A. Bissombolo, M. Hamada, M. Tsunekawa,Feasibility of an efficient recovery of rare earth-activated phosphors from waste fluorescent lamps through dense-medium centrifugation.,Separation and Purification Technology,44, 197-204,2005.07. .
32.	Keiko Sasaki, David Blowes, Carol Ptacek,Spectroscopic study of removal of Se(VI) from mine drainage by areactive permeable barrier column,Groundwater Quality,2004.07. .
33.	Activation of manganese-oxidizing fungus with carbon fiber - Fibrous shape is essential -. .
34.	K. K. Yoo, K. Sasaki, N. Hiroyoshi, M. Tsunekawa, T. Hirajima,The Effect of Mn2+ concentration on Mn removal by a sulfate-reducing bacteria bioreactor.,Mater. Trans.,2004.01. .
35.	K. Sasaki, H. Konno, M. Endo, K. Takano,Removal of Mn(II) ions by manganese-oxidizing fungus at neutral pHs in the presence of carbon fiber.,Biotechnol. Bioengng.,85(5), 491-496,2004.06. .
36.	K. K. Yoo, K. Sasaki, N. Hiroyoshi, M. Tsunekawa,Fundamental study on the removal of Mn2+ in acid mine drainage using sulfate-reducing bacteria.,Mater. Trans.,2004.01. .
37.	K. Sasaki, T. Ogino, Y. Endo, K. Kurosawa,Field study on heavy metal accumulation in the natural wetland receiving acid mine drainage,Mater. Trans.,44(9), 1877-1884,2003.01. .
38.	K. Sasaki, T. Ogino, O. Hori, Y. Endo, K. Kurosawa, M. Tsunekawa,Chemical transportation of heavy metals in the constructed wetland impacted by acid drainage.,Mater. Trans.,44(2), 305-312,2003.01. .
39.	K. Sasaki, T. Yamashita, M. Tsunekawa,Synthesis of aragonite from calcined scallop shells - Morpholigical characterization by FE-SEM.,Shigen-to-Sozai,118, 553-558,2002.01. .
40.	K. Sasaki, M. Endo, K. Kurosawa, and H. Konno,Removal of manganese ions from water by Leptothrix discophora with carbon fiber.,Mater. Trans.,43(11), 2773-2777,2002.01. .
41.	K. Sasaki, N. Haga, T. Hirajima, K. Kurosawa, M. Tsunekawa,Distribution and transition of heavy metals in mine tailing dumps.,Mater. Trans.,43(11), 2778-2783,2002.01. .
42.	K. K. Yoo, K. Sasaki, T. Hirajima, M. Tsunekawa,Analysis of heavy metals in a tailing impoundment of abandoned Mn mine by using two sequential extractions.,Mater. Trans.,43(12), 3189-3194,2002.01. .
43.	K. Sasaki, H. Konno,Morphological change of jarosite groups formed from biologically and chemically oxidized Fe(III) ions.,Can. Mineral.,38, 45-56,2000.01. .
44.	K. Sasaki, M. Tsunekawa, S. Tanaka, M. Fukushima and H. Konno,Inhibiting effect of natural organic acids on microbially mediated dissolution of pyrite in acidic environments.,Shigen-to-Sozai,115, 233-239,1999.01. .
45.	M. Fukushima, S. Tanaka, K. Nakayasu, K. Sasaki, and K. Tatsumi,Evaluation of copper(II) binding abilities of humic substances by a continuous site-distribution model considering proton competition.,Anal. Sci.,15, 185-188,1999.01. .
46.	K. Nakayasu, M. Fukushima, K. Sasaki, S. Tanaka, and H. Nakamura,Comparative studies of the reduction behavior of chromium (VI) by humic substances and their precursors.,Environ. Toxicol. Chem.,18, 1085-1090,1999.01. .
47.	K. Sasaki, M. Tsunekawa, T. Ohtsuka and H. Konno,The role of sulfur-oxidizing bacteria, Thiobacillus thiooxidans, in pyrite weathering.,Colloids and Surfaces A: Phisicochemical and Engineering Aspects,133(3), 269-278,1998.01. .
48.	K. Sasaki, O. Tanaike and H. Konno,Distinction of jarosite compounds by Raman spectroscopy.,Can. Mineral.,36, 1225-1235,1998.01. .
49.	K. Sasaki,Raman study of the microbially mediated dissolution of pyrite by Thiobacillus ferrooxidans.,Can. Mineral.,35(4), 999-1008,1997.01. .
50.	M. Fukushima, S. Tanaka, K. Nakayasu, K. Sasaki, H. Nakamura and K. Tatsumi,Investigation of copper(II)-binding behavior of fulvic acids by three-dimensional fluorescence spectrometry.,Anal. Sci.,13, 1007-1011,1997.01. .
51.	K. Sasaki, M. Tsunekawa, S. Tanaka and H. Konno,Suppression of microbially mediated dissolution of pyrite by originally isolated fulvic acids and related compounds.,Colloids and Surfaces A: Physicochemical and Engineering Aspects,119, 241-253,1996.01. .
52.	K. Sasaki and M. Tsunekawa,Evaluation of tannic and fulvic acids as inhibitors of cell growth, and iron and sulfur oxidation in Thiobacillus ferrooxidans and Thiobacillus thiooxidans.,Shigen-to-Sozai (J. Min. Mat. Proc. Inst. Japan),112, 929-933,1996.01. .
53.	K. Sasaki, M. Tsunekawa and H. Konno,Effect of cations on pyrite oxidation with Fe(III) ions near pH 2.,Shigen-to-Sozai (J. Min. Mat. Proc. Inst. Japan),112, 231-237,1996.01. .
54.	K. Sasaki, M. Tsunekawa and H. Konno,Effect of Fe(II) ions on pyrite oxidation with Fe(III) ions near pH 2.,Shigen-to-Sozai (J. Min. Mat. Proc. Inst. Japan),112, 49-53,1996.01. .
55.	K. Sasaki, M. Tsunekawa, K. Hasebe and H. Konno,Effect of anionic ligands on the reactivity of pyrite with Fe(III) ions in acid solutions.,Colloids and Surfaces A: Physicochemical and Engineering Aspects,101, 39-49,1995.01. .
56.	K. Sasaki, M. Tsunekawa, T. Ohtsuka and H. Konno,Confirmation of sulfur-rich layer formed on pyrite after dissolution by Fe(III) ions around pH 2.,Geochim. Cosmochim. Acta,59, 3155-3158,1995.01. .
57.	K. Sasaki, M. Tsunekawa and H. Konno,Characterization of argentojarosite formed from biologically oxidized Fe(III) ions.,Can. Mineral.,33(6), 1311-1319,1995.01. .
58.	K. Sasaki, H. Konno and M. Inagaki,Structural strain in pyrite evaluated by X-ray powder diffraction.,J. Mater. Sci.,29, 1666-1669,1994.01. .
59.	K. Sasaki,Effect of grinding on the rate of oxidation of pyrite by oxygen.,Geochim. Cosmochim. Acta,58, 4649-4655,1994.01. .
60.	M. Sugawara, K. Sasaki, T. Kambara,Surface-tention titration of calcium(II)and Manganese (II) by using triethanolamine as masking reagent,Fresenius Z. Anal. Chem.,313,237,1982.12. .

Presentations

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Awards

Sorption of Co2+ ions on the biogenic Mn deposits by a Mn-oxidizing fungus, Paraconiothyrium sp.-like strain WL-2, Materials Transaction, 49(3), 605-611 (2008)
ROLE OF WOOD-CHIPS IN PERMEABLE REACTIVE BARRIERS FOR REMOVAL OF BORATE IN GROUNDWATERS

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