Výsledky vyhledávání - "Kunio Ohtoshi"

Evaluation of a novel oxidation ditch system with dual DO control technology for biological nutrient removal by mass balance analysis

Autor: Xiaoqiang Chen, Taku Fujiwara, Yukio Kawaguchi, Kazuo Nakamachi, Fumitake Nishimura, Kunio Ohtoshi

Publikováno v: Desalination. 286:24-33

A novel pilot-scale oxidation ditch (OD) system with an anaerobic tank and dual dissolved oxygen (DO) control technology was used to treat raw domestic wastewater during 310 days of operation. Three intensive sampling sessions indicated that the dual

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0dbddb1ebc8c3423f59bca14fba877bf
https://doi.org/10.1016/j.desal.2011.10.032

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Field Investigation on the 2010 Chilean Earthquake Tsunami along the Comprehensive Coastal Region in Japan

Autor: Shingo Suzuki, Susumu Nakano, Kentaro Imai, Yugo Nakamura, Yoshitaka Matsuzaki, Hideyuki Shiroshita, Yuichi Nishimura, Fumihiko Imamura, Kunio Ohtoshi, Taro Kakinuma, Yuichi Namegaya, Koji Fujima, Kazuhisa Goto, Yoshinobu Tsuji

Publikováno v: Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering). 66:1346-1350

An earthquake of Mw 8.8 struck off the coast of central Chile on Feb. 27, 2010. A tsunami due to the earthquake propagated on the Pacific Ocean and attacked Japan on the next day. JMA issued a major tsunami warning for many coastal regions, however s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1028557fa751a1aa92ebfe728532b4be
https://doi.org/10.2208/kaigan.66.1346

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Evaluation of a novel oxidation ditch system for biological nitrogen and phosphorus removal from domestic sewage

Autor: Kazuo Nakamachi, H. Tsuno, Xiaoqiang Chen, Taku Fujiwara, S. Inamori, Kunio Ohtoshi

Publikováno v: WATER SCIENCE AND TECHNOLOGY. 62(8):1745-1754

A novel oxidation ditch system using anaerobic tanks and innovative dual dissolved oxygen (DO) control technology is proposed for biological nitrogen and phosphorus removal from domestic sewage. A continuous bench-scale experiment running for more th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ed4036d32e11ff444fa9ae84d293d449
http://hdl.handle.net/2433/146954

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Investigation of 1,4-dioxane originating from incineration residues produced by incineration of municipal solid waste

Autor: Yoshiro Ono, Yasundo Kurata, Fumitake Nishimura, Toru Tamada, Taku Fujiwara, Kunio Ohtoshi, Tomohiro Kose, Yusaku Ono

Publikováno v: Chemosphere. 71:894-901

As a groundwater contaminant, 1,4-dioxane is of considerable concern because of its toxicity, refractory nature to degradation, and rapid migration within an aquifer. Although landfill leachate has been reported to contain significant levels of 1,4-d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e4d037379abb9d46f18f8cf538e7f8b0
https://doi.org/10.1016/j.chemosphere.2007.11.011

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VARIATIONS OF SALT WATER INTRUSION IN A UNCONFINED AQUIFER NEAR THE TIDAL RIVER

Autor: Kunio Ohtoshi, Satoshi Kamiaraiso, Reiko Muguruma, Jun Yasumoto, Taku Fujiwara

Publikováno v: PROCEEDINGS OF HYDRAULIC ENGINEERING. 50:253-258

Salt water intrusion in a coastal aquifer varies corresponding to the sea level and rainfalls. The influence of tidal river might be added to the behavior of salt water intrusion when the aquifer locates near the tidal river. Consequently it is easy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7183afb823f448a605f90f932f6098ba
https://doi.org/10.2208/prohe.50.253

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TEMPORAL VARIATIONS OF POLLUTANT LOADS DURING STORM EVENTS IN A SMALL RIVER BASIN

Autor: A. Yoshida, Kunio Ohtoshi, Taku Fujiwara

Publikováno v: Journal of Water and Environment Technology. 3:183-190

Not only to estimate the impact of storm water on receiving waters but also to deduce the origin of the pollutants, it is important to analyze the runoff characteristics of pollutants during storm events. We conducted seven surveys during storm event

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4a0f7ff0ce09a0d62e9d2bbee53219de
https://doi.org/10.2965/jwet.2005.183

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OPERATIONAL PARAMETERS FOR HIGH-LOADING OXIDATION DITCH PROCESS WITH CONTINUOUS AERATION FOR NITROGEN REMOVAL FROM DOMESTIC SEWAGE

Autor: Hironori Teramoto, Fumitake Nishimura, Kunio Ohtoshi, Shoko Kitasaki, Taku Fujiwara

Publikováno v: Doboku Gakkai Ronbunshu. 2004:49-60

連続曝気式高負荷型オキシデーションディッチ (OD) 法による下水からの窒素除去についてモデル実験により検討するとともに, その操作因子を理論的かつ実験的に検討した. その結果, 高�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::39a183b1a91ffc3545467636ced69b28
https://doi.org/10.2208/jscej.2004.762_49

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