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Takao Hasegawa

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Publication

Featured researches published by Takao Hasegawa.

Archive | 1988

Method and flocculant for water treatment

Takao Hasegawa; Takuya Onitsuka; Minoru Suzuki; Yasuhiro Ehara; Katsuhiro Hashimoto; Tadamasa Ozaki

Archive | 1993

Flocculant for water treatment

Takao Hasegawa; Takuya Onitsuka; Yasuhiro Ehara; Katsuhiro Hashimoto; Hiroshi Akazawa

Archive | 1991

METHOD FOR PRODUCING FLOCCULANT FOR WATER TREATMENT

Takao Hasegawa; Takuya Onitsuka; Yasuhiro Ehara; Katsuhiro Hashimoto; Hiroshi Akazawa

Water supply | 1990

New polysilicic acid coagulants and their properties

Takao Hasegawa; Takuya Onitsuka; Minoru Suzuki; Yasuhiro Ehara; Katsuhiro Hashimoto; Katsumi Goto; Norihito Tambo

Archive | 1976

Process for separating floc and apparatus

Katsuhiro Hashimoto; Takao Hasegawa

Archive | 1999

PRODUCTION OF FLOCCULANT FOR WATER TREATMENT

Takao Hasegawa; Katsuhiro Hashimoto; Takashi Ishikawa; Bunro Shirafuji; 克紘 橋本; 文朗 白藤; 喬 石川; 孝雄 長谷川

Archive | 1975

FLOCK SEPARATION AND SEDIMENTATION METHOD AND SYSTEM

Katsuhiro Hashimoto; Takao Hasegawa

Archive | 1999

Cleaning liquid of permeable membrane and cleaning method thereof

Takao Hasegawa; Kichiji Jinbo; Hiromichi Kurokawa; Takuya Onizuka; Seiji Shudo; Tsutomu Yamashita; Nobuyuki Yamazaki; 劭 山下; 信行 山崎; 吉次 神保; 孝雄 長谷川; 清治 首藤; 卓也 鬼塚; 弘道 黒川

Archive | 1991

Flocculant for water treament and method for producing it

Takao Hasegawa; Takuya Onitsuka; Yasuhiro Ehara; Katsuhiro Hashimoto; Hiroshi Akazawa

Archive | 1983

Solid-liquid separation method and apparatus by vortex stream

Takao Hasegawa; Katsuhiro Hashimoto; Takuya Onizuka; Yoichi Otani

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