1
Koya Sakamoto, Yutaka Yoneda, Naoki Fujiwara, Shigehito Takamoto: Fluidized bed combustor. Babcock Hitachi Kabushiki Kaisha, Thomas E Beall Jr, July 6, 1982: US04338283 (64 worldwide citation)

A fluidized bed combustor wherein a combustion chamber and a regeneration chamber are both contained in a single hollow body is provided. These two chambers are formed by vertically partitioning the body by a partition wall, which has an upper opening and a lower one, and also each have a perforated ...


2
Hiroshi Kuroda, Fumito Nakajima, Masakatsu Nishimura, Hiroyuki Kaku, Shigeru Nozawa, Shigehito Takamoto, Takanori Nakamoto, Hirofumi Kikkawa, Hiroshi Ishizaka, Atsushi Katagawa, Mitsuharu Kon, Masayuki Yamamoto, Kunikatsu Yoshida: Wet-type flue gas desulfurization plant. Babcock Hitachi Kabushiki Kaisha, Lorusso & Loud, July 15, 1997: US05648048 (44 worldwide citation)

An elongated absorber housing, including an inlet duct and an outlet duct, is integrally provided on an upper portion of a circulation tank. The absorber is a self-supporting structure supported by only the circulation tank. At least the furthest upstream spraying stage in a spraying zone in the inl ...


3
Koya Sakamoto, Yutaka Yoneda, Naoki Fujiwara, Shigehito Takamoto: Fluidized bed combustor and a method of operating same. Babcock Hitachi Kabushiki Kaisha, Fay Sharpe Beall Fagan Minnich & McKee, May 9, 1989: US04828486 (11 worldwide citation)

A fluidized bed combustor wherein a combustion chamber and a regeneration chamber are both contained in a single hollow body is provided. These two chambers are formed by vertically partitioning the body by a partition wall, which has an upper opening and a lower one, and also each have a perforated ...


4
Hirofumi Kikkawa, Fumito Nakajima, Hiroyuki Kaku, Shigehito Takamoto, Hiroshi Ishizaka, Shigeru Nozawa, Masakatsu Nishimura, Takanori Nakamoto: Wet-type flue gas desulfurization plant and method making use of a solid desulfurizing agent. Babcock Hitachi Kabushiki Kaisha, Lorusso & Loud, November 11, 1997: US05686053 (11 worldwide citation)

A wet-type flue gas desulfurization method and plant making use of a solid desulfurizing agent in which exhaust gas exhausted from a combustion apparatus such as a boiler is brought into contact with absorbing liquid to absorb sulfur oxide from the exhaust gas into the absorbing liquid followed by n ...


5
Tomohiko Miyamoto, Shuntaro Koyama, Jinichi Tomuro, Atsushi Morihara, Hisao Yamashita, Sadao Takahashi, Eiji Kida, Akio Ueda, Shigehito Takamoto: Desulfurizing agent and process for treating hydrogen sulfide containing gas, coal gasification system and power generation system based on coal gasification using the desulfurizing agent. Hitachi, Babcock Hitachi Kabushiki Kaisha, Antonelli Terry & Wands, December 5, 1989: US04884396 (10 worldwide citation)

The present invention provides a desulfurizing agent comprising a porous oxide carrier, at least one of molybdenum oxide and tungsten oxide as a first component, supported on the carrier, and at least one of manganese oxide, cobalt oxide and nickel oxide as a second component, supported mainly on th ...


6
Hirofumi Kikkawa, Fumito Nakajima, Hiroyuki Kaku, Shigehito Takamoto, Hiroshi Ishizaka, Shigeru Nozawa, Masakatsu Nishimura, Takanori Nakamoto: Wet-type flue gas desulfurization plant and method making use of a solid desulfurizing agent. Babcock Hitachi Kabushiki Kaisha, Lorusso & Loud, August 4, 1998: US05788944 (10 worldwide citation)

Exhaust gas from combustion equipment such as a boiler is brought into contact with an absorbing liquid to absorb sulfur oxide from the exhaust gas into the absorbing liquid. Limestone particles having larger diameters are selectively retained in a zone wherein the absorbing liquid that has absorbed ...


7
Shigehito Takamoto, Kazunori Shoji, Nobuyasu Meguri, Yoshinori Ohtani, Hirofumi Kikkawa, Yasuyuki Nishimura, Hiroyuki Kaku, Masayasu Murata: Process for producing a coal-water slurry. Babcock Hitachi Kabushiki Kaisha, Beall Law Offices, September 23, 1986: US04613084 (9 worldwide citation)

A process for producing a coal-water slurry having a high coal concentration (generally 60 to 80% by weight or more) and a lower viscosity, at a lower cost and with a smaller amount of dispersing agent added is provided, which process is directed to a process for producing a high concentration coal- ...


8
Shigehito Takamoto, Nobuyasu Meguri: Coal-water slurry producing system. Babcock Hitachi Kabushiki Kaisha, Antonelli Terry & Wands, September 13, 1988: US04770352 (5 worldwide citation)

A coal-water slurry producing system comprises: a continuous wet-type ball mill for grinding the coal with the addition of water and additives thereto to obtain coal-water slurry, supplying device for supplying the coal-water slurry discharged from the ball mill to a filtering apparatus, for filteri ...


9
Mutsuo Yamada, Taiji Kamiguchi, Hirotoshi Tanimoto, Yoshijiro Arikawa, Hiroyuki Kaku, Shigehito Takamoto: Process for producing an oxygen-containing organic compound from olefins. Babcock Hitachi Kabushiki Kaisha, Fay Sharpe Beall Fagan Minnich & McKee, February 21, 1989: US04806692 (4 worldwide citation)

A process for producing an oxygen-containing organic compound by oxidizing olefins under milder conditions is provided, which process comprises oxidizing an olefin activated by its complex formation, in the presence of a platinum group metal complex capable of forming an olefin complex through coord ...


10
Hirofumi Kikkawa, Fumito Nakajima, Hiroyuki Kaku, Shigehito Takamoto, Hiroshi Ishizaka, Shigeru Nozawa, Masakatsu Nishimura, Takanori Nakamoto: Wet-type flue gas desulfurization plant and method making use of a solid desulfurizing agent. Babcock Hitachi Kabushiki Kaisha, Lorusso & Loud, August 31, 1999: US05945081 (2 worldwide citation)

A wet-type flue gas desulfurization method and plant making use of a solid desulfurizing agent in which exhaust gas exhausted from a combustion apparatus such as a boiler is brought into contact with absorbing liquid to absorb sulfur oxide from the exhaust gas into the absorbing liquid followed by n ...