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  • Keiko Sasaki
2020

Bubble interactions with chalcopyrite and molybdenite surfaces in seawater

Suyantara, G. P. W., Hirajima, T., Miki, H. & Sasaki, K., Oct 1 2020, In : Minerals Engineering. 157, 106536.

Research output: Contribution to journalArticle

Co-sorption of Sr2+ and SeO42− as the surrogate of radionuclide by alginate-encapsulated graphene oxide-layered double hydroxide beads

Guo, B., Kamura, Y., Koilraj, P. & Sasaki, K., Aug 2020, In : Environmental Research. 187, 109712.

Research output: Contribution to journalArticle

Effect of carbonaceous matter on bioleaching of Cu from chalcopyrite ore

Konadu, K. T., Sakai, R., Mendoza, D. M., Chuaicham, C., Miki, H. & Sasaki, K., Aug 2020, In : Hydrometallurgy. 195, 105363.

Research output: Contribution to journalArticle

Effect of H2O2 and potassium amyl xanthate on separation of enargite and tennantite from chalcopyrite and bornite using flotation

Suyantara, G. P. W., Hirajima, T., Miki, H., Sasaki, K., Kuroiwa, S. & Aoki, Y., Jun 15 2020, In : Minerals Engineering. 152, 106371.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Energy-resolved distribution of electron traps for O/S-doped carbon nitrides by reversed double-beam photoacoustic spectroscopy and the photocatalytic reduction of Cr(vi)

Chuaicham, C., Karthikeyan, S., Pawar, R. R., Xiong, Y., Dabo, I., Ohtani, B., Kim, Y., Song, J. T., Ishihara, T. & Sasaki, K., Apr 4 2020, In : Chemical Communications. 56, 26, p. 3793-3796 4 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Fabrication and characterization of ternary sepiolite/g-C3N4/Pd composites for improvement of photocatalytic degradation of ciprofloxacin under visible light irradiation

Chuaicham, C., Pawar, R. R., Karthikeyan, S., Ohtani, B. & Sasaki, K., Oct 1 2020, In : Journal of Colloid And Interface Science. 577, p. 397-405 9 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Importance of ZnTiO3 Phase in ZnTi-Mixed Metal Oxide Photocatalysts Derived from Layered Double Hydroxide

Chuaicham, C., Karthikeyan, S., Song, J. T., Ishihara, T., Ohtani, B. & Sasaki, K., Feb 26 2020, In : ACS Applied Materials and Interfaces. 12, 8, p. 9169-9180 12 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
1 Citation (Scopus)

Macroscopic and microscopic behaviors of Mn(II) (ad)sorption to goethite with the effects of dissolved carbonates under anoxic conditions

Namgung, S., Guo, B., Sasaki, K., Lee, S. S. & Lee, G., May 15 2020, In : Geochimica et Cosmochimica Acta. 277, p. 300-319 20 p.

Research output: Contribution to journalArticle

Mechanism analysis of selenium (VI) immobilization using alkaline-earth metal oxides and ferrous salt

Tian, Q., Guo, B., Chuaicham, C. & Sasaki, K., Jun 2020, In : Chemosphere. 248, 126123.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Pompon Dahlia-like Cu2O/rGO Nanostructures for Visible Light Photocatalytic H2 Production and 4-Chlorophenol Degradation

Karthikeyan, S., Ahmed, K., Osatiashtiani, A., Lee, A. F., Wilson, K., Sasaki, K., Coulson, B., Swansborough-Aston, W., Douthwaite, R. E. & Li, W., Mar 19 2020, In : ChemCatChem. 12, 6, p. 1699-1709 11 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Production of valuable chemicals from oil palm biomass using hot-compressed water method

Yuliansyah, A. T., Kumagai, S., Hirajima, T. & Sasaki, K., 2020, (Accepted/In press) In : Journal of Material Cycles and Waste Management.

Research output: Contribution to journalArticle

Self-tuning tetragonal zirconia-based bimetallic nano(hydr)oxides as superior and recyclable adsorbents in arsenic-tolerant environment: Template-free in and ex situ synthetic methods, stability, and mechanisms

Muthu Prabhu, S., Sasaki, K., Elanchezhiyan, S. SD., Paruthimal Kalaignan, G. & Park, C. M., Jun 15 2020, In : Chemical Engineering Journal. 390, 124573.

Research output: Contribution to journalArticle

Spectroscopic and first-principles investigations of iodine species incorporation into ettringite: Implications for iodine migration in cement waste forms

Guo, B., Xiong, Y., Chen, W., Saslow, S. A., Kozai, N., Ohnuki, T., Dabo, I. & Sasaki, K., May 5 2020, In : Journal of Hazardous Materials. 389, 121880.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Stabilization of borate by hot isostatic pressing after co-precipitation with hydroxyapatite using MAP

Sasaki, K., Hayashi, Y., Nakamura, T., Guo, B. & Tian, Q., Sep 2020, In : Chemosphere. 254, 126860.

Research output: Contribution to journalArticle

Synergistic effect of ClO4 and Sr2+ adsorption on alginate-encapsulated organo-montmorillonite beads: Implication for radionuclide immobilization

Luo, W., Huang, Q., Antwi, P., Guo, B. & Sasaki, K., Feb 15 2020, In : Journal of Colloid And Interface Science. 560, p. 338-348 11 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Understanding how specific functional groups in humic acid affect the sorption mechanisms of different calcinated layered double hydroxides

Xu, S., Zhao, J., Yu, Q., Qiu, X. & Sasaki, K., Jul 15 2020, In : Chemical Engineering Journal. 392, 123633.

Research output: Contribution to journalArticle

3 Citations (Scopus)
2018

A Mechanistic Approach for the Synthesis of Carboxylate-Rich Carbonaceous Biomass-Doped Lanthanum-Oxalate Nanocomplex for Arsenate Adsorption

Muthu Prabhu, S., Chuaicham, C. & Sasaki, K., May 7 2018, In : ACS Sustainable Chemistry and Engineering. 6, 5, p. 6052-6063 12 p.

Research output: Contribution to journalArticle

19 Citations (Scopus)

Behavior of sulfate ions during biogenic scorodite crystallization from dilute As(III)-bearing acidic waters

Tanaka, M., Sasaki, K. & Okibe, N., Sep 2018, In : Hydrometallurgy. 180, p. 144-152 9 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Calcination effect of borate-bearing hydroxyapatite on the mobility of borate

Sasaki, K., Toshiyuki, K., Guo, B., Ideta, K., Hayashi, Y., Hirajima, T. & Miyawaki, J., Feb 15 2018, In : Journal of Hazardous Materials. 344, p. 90-97 8 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
7 Citations (Scopus)

Distributions and Leaching Behaviors of Toxic Elements in Fly Ash

Tian, Q., Guo, B., Nakama, S. & Sasaki, K., Oct 11 2018, In : ACS Omega. 3, 10, p. 13055-13064 10 p.

Research output: Contribution to journalArticle

18 Citations (Scopus)

Effect of Fenton-like oxidation reagent on hydrophobicity and floatability of chalcopyrite and molybdenite

Suyantara, G. P. W., Hirajima, T., Miki, H., Sasaki, K., Yamane, M., Takida, E., Kuroiwa, S. & Imaizumi, Y., Oct 5 2018, In : Colloids and Surfaces A: Physicochemical and Engineering Aspects. 554, p. 34-48 15 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Effect of sodium sulfite on floatability of chalcopyrite and molybdenite

Miki, H., Hirajima, T., Muta, Y., Suyantara, G. P. W. & Sasaki, K., Apr 2018, In : Minerals. 8, 4, 172.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Enhanced adsorption of perchlorate by gemini surfactant-modified montmorillonite: Synthesis, characterization and their adsorption mechanism

Srinivasarao, K., Prabhu, S. M., Luo, W. & Sasaki, K., Oct 1 2018, In : Applied Clay Science. 163, p. 46-55 10 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Floatability of molybdenite and chalcopyrite in artificial seawater

Suyantara, G. P. W., Hirajima, T., Miki, H. & Sasaki, K., Jan 2018, In : Minerals Engineering. 115, p. 117-130 14 p.

Research output: Contribution to journalArticle

27 Citations (Scopus)

Immobilization of selenate in cancrinite using a hydrothermal method

Pahlevi, N. D., Guo, B. & Sasaki, K., May 2018, In : Ceramics International. 44, 7, p. 8635-8642 8 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Influence of the pre-dispersion of montmorillonite on organic modification and the adsorption of perchlorate and methyl red anions

Luo, W., Sasaki, K. & Hirajima, T., Mar 15 2018, In : Applied Clay Science. 154, p. 1-9 9 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Microbiological Redox Potential Control to Improve the Efficiency of Chalcopyrite Bioleaching

Masaki, Y., Hirajima, T., Sasaki, K., Miki, H. & Okibe, N., Sep 14 2018, In : Geomicrobiology Journal. 35, 8, p. 648-656 9 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Selective flotation of chalcopyrite and molybdenite using H2O2 oxidation method with the addition of ferrous sulfate

Suyantara, G. P. W., Hirajima, T., Miki, H., Sasaki, K., Yamane, M., Takida, E., Kuroiwa, S. & Imaizumi, Y., Jun 15 2018, In : Minerals Engineering. 122, p. 312-326 15 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Simultaneous immobilization of borate, arsenate, and silicate from geothermal water derived from mining activity by co-precipitation with hydroxyapatite

Sasaki, K., Hayashi, Y., Toshiyuki, K. & Guo, B., Sep 2018, In : Chemosphere. 207, p. 139-146 8 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Structural Memory Effect of Mg-Al and Zn-Al layered Double Hydroxides in the Presence of Different Natural Humic Acids: Process and Mechanism

Gao, Z., Sasaki, K. & Qiu, X., May 15 2018, In : Langmuir. 34, 19, p. 5386-5395 10 p.

Research output: Contribution to journalArticle

28 Citations (Scopus)
8 Citations (Scopus)
2017

As(III) oxidation and immobilization by activated carbon

Hotta, Y., Hirajima, T., Sasaki, K. & Okibe, N., Jan 1 2017.

Research output: Contribution to conferencePaper

Bio-modification of carbonaceous matter in gold ores: Model experiments using powdered activated carbon and cell-free spent medium of Phanerochaete chrysosporium

Konadu, K. T., Sasaki, K., Kaneta, T., Ofori-Sarpong, G. & Osseo-Asare, K., Mar 1 2017, In : Hydrometallurgy. 168, p. 76-83 8 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Bioscorodite crystallization using Acidianus brierleyi: Effects caused by Cu(II) present in As(III)-bearing copper refinery wastewaters

Okibe, N., Morishita, S., Tanaka, M., Sasaki, K., Hirajima, T., Hatano, K. & Ohata, A., Mar 1 2017, In : Hydrometallurgy. 168, p. 121-126 6 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)
21 Citations (Scopus)

Characterization and Production of Solid Biofuel from Sugarcane Bagasse by Hydrothermal Carbonization

Iryani, D. A., Kumagai, S., Nonaka, M., Sasaki, K. & Hirajima, T., Jan 1 2017, In : Waste and Biomass Valorization. 8, 6, p. 1941-1951 11 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Characterization of the intermediate in formation of selenate-substituted ettringite

Guo, B., Sasaki, K. & Hirajima, T., Sep 1 2017, In : Cement and Concrete Research. 99, p. 30-37 8 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)
4 Citations (Scopus)

Effect of hydrogen peroxide on separation of chalcopyrite and molybdenite using flotation

Wisnu Suyantara, G. P., Hirajima, T., Miki, H. & Sasaki, K., Jan 1 2017.

Research output: Contribution to conferencePaper

Effects of grinding montmorillonite and illite on their modification by dioctadecyl dimethyl ammonium chloride and adsorption of perchlorate

Luo, W., Fukumori, T., Guo, B., Osseo-Asare, K., Hirajima, T. & Sasaki, K., Sep 15 2017, In : Applied Clay Science. 146, p. 325-333 9 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Electrolysis oxidation of chalcopyrite and molybdenite for selective flotation

Miki, H., Matsuoka, H., Hirajima, T., Suyantara, G. P. W. & Sasaki, K., Jan 1 2017, In : Materials Transactions. 58, 5, p. 761-767 7 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Electrolysis Oxidation of Chalcopyrite and Molybdenite for Selective Flotation

Miki, H., Matsuoka, H., Hirajima, T., Suyantara, G. P. W. & Sasaki, K., 2017, In : Materials Transactions. 58, 5, p. 761-767 7 p.

Research output: Contribution to journalArticle

Enhancement of fluoride immobilization in apatite by Al3+additives

Sasaki, K., Nagato, S., Ideta, K., Miyawaki, J. & Hirajima, T., Jan 1 2017, In : Chemical Engineering Journal. 311, p. 284-292 9 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Enzymatic pre-treatment of carbonaceous matter in preg-robbing gold ores: Effect of ferrous ion additives

Konadu, K. T., Sasaki, K., Osseo-Asare, K. & Kaneta, T., Jan 1 2017, 22nd International Biohydrometallurgy Symposium. Hedrich, S., Schippers, A., Rubberdt, K., Glombitza, F., Sand, W., Sand, W., Veliz, M. V. & Willscher, S. (eds.). Trans Tech Publications Ltd, p. 43-47 5 p. (Solid State Phenomena; vol. 262 SSP).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

11 Citations (Scopus)

Fabrication of Chitosan-Reinforced ZrxAl1-xOOH Nanocomposites and Their Arsenite and Fluoride Depollution Densities from Single/Binary Systems

Prabhu, S. M. & Sasaki, K., Jan 1 2017, In : ChemistrySelect. 2, 22, p. 6375-6387 13 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Immobilization process of selenate in cancrinite by hydrothermal method

Pahlevi, N. D., Guo, B., Hirajima, T. & Sasaki, K., Jan 1 2017.

Research output: Contribution to conferencePaper