Zobrazeno 1 - 10
of 80
pro vyhledávání: '"Masashi Otani"'
Autor:
Fumihiko Ogata, Yuya Teranishi, Noriaki Nagai, Yugo Uematsu, Megumu Toda, Masashi Otani, Chalermpong Saenjum, Naohito Kawasaki
Publikováno v:
Chemical Engineering Journal Advances, Vol 20, Iss , Pp 100656- (2024)
Herein, metal complex hydroxides containing nickel (Ni) and aluminum (Al) at different molar ratios (Ni:Al = 1:1 (NA11), 1:2 (NA12), 2:1 (NA21), 3:1 (NA31), and 4:1 (NA41)) were prepared. Scanning electron microscopy images, X-ray diffraction pattern
Externí odkaz:
https://doaj.org/article/77bfe649d6704ff4a23416c277c001d6
Autor:
Masashi Otani
Publikováno v:
AAPPS Bulletin, Vol 32, Iss 1, Pp 1-7 (2022)
Abstract Muons, which were discovered in the 1930s and first generated using an accelerator half a century after their discovery, are now widely used in several scientific fields such as particle physics and material science. Recent advancements in c
Externí odkaz:
https://doaj.org/article/e58a8579fe734089bbf2ad0971a934cb
Autor:
Ayako Tabuchi, Fumihiko Ogata, Yugo Uematsu, Megumu Toda, Masashi Otani, Chalermpong Saenjum, Takehiro Nakamura, Naohito Kawasaki
Publikováno v:
Molecules, Vol 27, Iss 8, p 2392 (2022)
We combined a nickel–aluminum–zirconium complex hydroxide (NAZ) with colloidal silica as a binder to prepare a granulated agent for adsorbing heavy metals from aqueous media. Three samples with different particle diameters were prepared to evalua
Externí odkaz:
https://doaj.org/article/ab45b65d36794a77b09bd357b5183af3
Evaluation of Adsorption Mechanism of Chromium(VI) Ion Using Ni-Al Type and Ni-Al-Zr Type Hydroxides
Autor:
Fumihiko Ogata, Noriaki Nagai, Ayako Tabuchi, Megumu Toda, Masashi Otani, Chalermpong Saenjum, Takehiro Nakamura, Naohito Kawasaki
Publikováno v:
Water, Vol 13, Iss 4, p 551 (2021)
To evaluate the feasibility of nickel–aluminum (the Ni2+:Al3+ molar ratios of 1.0:1.0 and 1.0:2.0 are denoted as NA11 and NA12, respectively) and nickel–aluminum–zirconium type (the Ni2+:Al3+:Zr4+ molar ratios of 0.9:1.0:0.09 and 0.9:2.0:0.09 a
Externí odkaz:
https://doaj.org/article/23154db18649462fa82f139df1a30cdb
Autor:
Fumihiko Ogata, Noriaki Nagai, Megumu Toda, Masashi Otani, Chalermpong Saenjum, Takehiro Nakamura, Naohito Kawasaki
Publikováno v:
Water, Vol 12, Iss 6, p 1697 (2020)
The technology of wastewater treatment involving removal of heavy metals using complex metal hydroxides is reported. In this study, complex nickel-aluminum (NA11 and NA12) and nickel-aluminum-zirconium (NAZ1 and NAZ2) hydroxides were prepared for the
Externí odkaz:
https://doaj.org/article/ac550f8aceec4d3482497f1f604aa043
Autor:
Yuki Sue, Mai Yotsuzuka, Kenta Futatsukawa, Kazuo Hasegawa, Toru Iijima, Hiromi Iinuma, Kenji Inami, Katsuhiro Ishida, Naritoshi Kawamura, Ryo Kitamura, Yasuhiro Kondo, Tsutomu Mibe, Yasuhiro Miyake, Takatoshi Morishita, Yuga Nakazawa, Masashi Otani, Naohito Saito, Koichiro Shimomura, Yusuke Takeuchi, Takahiro Ushizawa, Takayuki Yamazaki, Hiromasa Yasuda
Publikováno v:
Physical Review Accelerators and Beams, Vol 23, Iss 2, p 022804 (2020)
A destructive monitor to measure the longitudinal bunch width of a low-energy and low-intensity muon beam was developed. This bunch-width monitor (BWM) employed microchannel plates to detect a single muon with high time resolution. In addition, const
Externí odkaz:
https://doaj.org/article/be0af559f31c4d7c9237a20143fd0217
Autor:
Ayako, Tabuchi, Fumihiko, Ogata, Megumu, Toda, Masashi, Otani, Takehiro, Nakamura, Naohito, Kawasaki
Publikováno v:
Chemical and Pharmaceutical Bulletin. 70:624-627
In this study, we evaluate the desorption or recovery capacity of chromium(VI) ions using desorption solutions containing sodium hydroxide (NaOH) or sodium sulfate (Na
Autor:
Shota Takahashi, Michihiro Furukawa, Ayaka Hattori, Katsuya Hirota, Takashi Kikuchi, Masashi Otani, Takamitsu Otsuka, Eisuke Saito, Takaoki Takanashi, Atsuhi Taketani, Yasushi Watanabe
Publikováno v:
Proceedings of 41st International Conference on High Energy physics — PoS(ICHEP2022).
Autor:
Fumihiko Ogata, Takehiro Nakamura, Megumu Toda, Masashi Otani, Naohito Kawasaki, Noriaki Nagai, Shouko Iijima
Publikováno v:
Chemical and Pharmaceutical Bulletin. 69:789-795
In this study, the effect of contact time, temperature, pH, and coexistences on the adsorption of phosphate ions using the complex nickel-aluminum-zirconium hydroxide (NAZ) was evaluated. Moreover, the recovery of adsorbed phosphate ions from NAZ usi
Adsorption Performance on As(III) from Aqueous Solution Using the Complex Nickel–Aluminum Hydroxides
Autor:
Megumu Toda, Masashi Otani, Yuuka Izutani, Chalermpong Saenjum, Yugo Uematsu, Fumihiko Ogata, Takehiro Nakamura, Yuhei Kobayashi, Naohito Kawasaki
Publikováno v:
Chemical and Pharmaceutical Bulletin. 69:86-91
In this study, complex nickel-aluminum hydroxides were prepared at different molar ratios (NA12, NA11, NA21, NA31, and NA41), and their adsorption capability on arsenic ions (As(III)) from aqueous media was assessed. The physicochemical properties su