Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Kohei Mitsuhashi"'
Autor:
Yuki TSUNAZAWA, Yoshihiro KOSAKU, Yoshitaka SAKAIRI, Koji TSUKADA, Tamaki SAITO, Yosuke EBISU, Kohei MITSUHASHI, Youqing CHEN, Chiharu TOKORO
Publikováno v:
Journal of MMIJ, Vol 138, Iss 6, Pp 95-102 (2022)
The high-pressure grinding roll (HPGR) has been known to achieve a high mineral liberation with relatively low energy consumption. However, quantitative methods for evaluating the effect of HPGR grinding on the promotion of the mineral liberation of
Externí odkaz:
https://doaj.org/article/26254f09840847bd8753fbb63a932fdb
Publikováno v:
Journal of MMIJ, Vol 138, Iss 2, Pp 12-18 (2022)
Copper sulfide minerals are the major raw materials for copper products. Copper sulfide minerals are mined at copper mines and concentrated by flotation process. In recent years, the mining of refractory copper ores, which is difficult to concentrate
Externí odkaz:
https://doaj.org/article/ac9f060ae9474ec8ae5411f5e8d14512
Publikováno v:
Minerals, Vol 10, Iss 11, p 1027 (2020)
The wettability and floatability of oxidized chalcocite, bornite, and chalcopyrite with the conditions of sodium hydrosulfide (NaHS) dosages and pHs were studied by contact angle measurements, and single and mixture mineral flotation tests. To evalua
Externí odkaz:
https://doaj.org/article/96478b606e0445b79177da7d245f5f9a
Autor:
Masayoshi Fuji, Yoshio Sugiyama, Takashi Takei, Masatoshi Chikazawa, Katsuyuki Tanabe, Kohei Mitsuhashi
Publikováno v:
KONA Powder and Particle Journal, Vol 22, Iss 0, Pp 159-167 (2014)
Surface modified alumina powder that has photocatalytic activity was studied. To control the amount of Ti introduced on the surface at the molecular level, the powder was prepared by chemical surface modification with a monofunctional titanate-based
Externí odkaz:
https://doaj.org/article/f60dd40ae00a4186845b17f95d4521b6
Autor:
Masanobu Kawata, Atsushi Shibayama, Kazutoshi Haga, Refilwe Sandra Magwaneng, Hidekazu Matsuoka, Altansukh Batnasan, Labone L. Godirilwe, Riku Sagami, Kohei Mitsuhashi, Takashi Kawasaki, Shogo Aoki
Publikováno v:
Minerals Engineering. 173
The increase of impurities and complexity of copper ores are among the recent challenges in the mining industry. Complex carbonaceous sulfide ores are extremely difficult to treat due to their mineralogical complexity and impurities of organic carbon
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dbaeca9154986a644d9eff5b83d96e55
http://hdl.handle.net/10295/00006081
http://hdl.handle.net/10295/00006081
Publikováno v:
Minerals, Vol 10, Iss 1027, p 1027 (2020)
Minerals
Volume 10
Issue 11
Minerals
Volume 10
Issue 11
The wettability and floatability of oxidized chalcocite, bornite, and chalcopyrite with the conditions of sodium hydrosulfide (NaHS) dosages and pHs were studied by contact angle measurements, and single and mixture mineral flotation tests. To evalua
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5331ff02ccf6d97ceb7cf697fbecaed3
https://www.mdpi.com/2075-163X/10/11/1027
https://www.mdpi.com/2075-163X/10/11/1027
Autor:
Masato Kosugi, Refilwe Sandra Magwaneng, Atsushi Shibayama, Masanobu Kawata, Ryo Kawarabuki, Kazutoshi Haga, Kohei Mitsuhashi, Altansukh Batnasan
Publikováno v:
International Journal of the Society of Materials Engineering for Resources. 23:80-83
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e25d00c001e0fcf0bae3fb64c757b5a
https://doi.org/10.5188/ijsmer.23.80
https://doi.org/10.5188/ijsmer.23.80
Autor:
Masanobu Kawata, Atsushi Shibayama, Kazutoshi Haga, Hidekazu Matsuoka, Kohei Mitsuhashi, Chiharu Tokoro, Tatsuya Kato
Publikováno v:
Minerals Engineering. 156:106530
The surface properties of slightly oxidized chalcocite, bornite, and chalcopyrite with sodium hydrosulfide (NaHS) treatment were investigated by solid analyses of X-ray photoelectron spectroscopy, solution analyses, and zeta potential measurements. N
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::68c4d4204fe478ae714d4c23867de57b
https://doi.org/10.1016/j.mineng.2020.106530
https://doi.org/10.1016/j.mineng.2020.106530
Autor:
Chiharu Tokoro, Kohei Mitsuhashi, Yuki Tsunazawa, Yuichi Yaguchi, Yu Nagata, Yosuke Ebisu, Kouji Tsukada
Publikováno v:
Minerals Engineering. 154:106412
The high-pressure grinding roll (HPGR) is a type of roller mill that continuously produces particle-bed comminution. Since the capacity of the HPGR is determined by not only operating conditions but also the roll geometry, knowledge of the effectiven
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6675fc8cbbf9f1895434889c059947ce
https://doi.org/10.1016/j.mineng.2020.106412
https://doi.org/10.1016/j.mineng.2020.106412
Autor:
Masanobu Kawata, Atsushi Shibayama, Refilwe Sandra Magwaneng, Altansukh Batnasan, Kohei Mitsuhashi, Ryo Kawarabuki, Kazutoshi Haga, Masato Kosugi
Publikováno v:
The Minerals, Metals & Materials Series ISBN: 9783319724836
An investigation on improving copper and iron recovery by removal of organic carbon and carbonaceous gangue mineral through flotation was carried out. The ore contains chalcopyrite and bornite as valuable minerals, and dolomite and calcite as carbona
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f6cfc5dd09ffd4d94db115fdbd506a53
https://doi.org/10.1007/978-3-319-72484-3_37
https://doi.org/10.1007/978-3-319-72484-3_37
