Title:
METHOD OF DECOMPOSING ORGANOCHLORINE COMPOUND
Document Type and Number:
WIPO Patent Application WO/2000/048968
Kind Code:
A1
Abstract:
A method of reductively or catalytically decomposing an organochlorine compound such as a dioxin. The method comprises decomposing an organochlorine compound such as a dioxin or o-chloroanisolein an aqueous alkali solution in the presence of a reducing agent or a catalyst. The alkali may be sodium hydroxide, potassium hydroxide, sodium carbonate, potassium carbonate, or ammonia water. The reducing agent may be sodium hydrosulfite, ascorbic acid, hydrazine, hydrazine hydrate, neutral hydrazine sulfate, hydrazine carbonate, sodium thiosulfate, sodium sulfite, potassium sulfite, hydroquinone, the sulfuric acid salt of 4-methylaminophenol, or Rongalit. The catalyst may be activated carbon or titanium oxide.
Inventors:
Sekiguchi, Yoshitoshi (Hitachi Zosen Corporation 7-89, Nankokita 1-chome Suminoe-ku Osaka-shi Osaka, 559-8559, JP)
Sasaki, Kunio (Hitachi Zosen Corporation 7-89, Nankokita 1-chome Suminoe-ku Osaka-shi Osaka, 559-8559, JP)
Tanaka, Shingo (Hitachi Zosen Corporation 7-89, Nankokita 1-chome Suminoe-ku Osaka-shi Osaka, 559-8559, JP)
Sasaki, Kunio (Hitachi Zosen Corporation 7-89, Nankokita 1-chome Suminoe-ku Osaka-shi Osaka, 559-8559, JP)
Tanaka, Shingo (Hitachi Zosen Corporation 7-89, Nankokita 1-chome Suminoe-ku Osaka-shi Osaka, 559-8559, JP)
Application Number:
PCT/JP2000/000771
Publication Date:
August 24, 2000
Filing Date:
February 14, 2000
Export Citation:
Assignee:
HITACHI ZOSEN CORPORATION (7-89, Nankokita 1-chome Suminoe-ku Osaka-shi Osaka, 559-8559, JP)
Sekiguchi, Yoshitoshi (Hitachi Zosen Corporation 7-89, Nankokita 1-chome Suminoe-ku Osaka-shi Osaka, 559-8559, JP)
Sasaki, Kunio (Hitachi Zosen Corporation 7-89, Nankokita 1-chome Suminoe-ku Osaka-shi Osaka, 559-8559, JP)
Tanaka, Shingo (Hitachi Zosen Corporation 7-89, Nankokita 1-chome Suminoe-ku Osaka-shi Osaka, 559-8559, JP)
Sekiguchi, Yoshitoshi (Hitachi Zosen Corporation 7-89, Nankokita 1-chome Suminoe-ku Osaka-shi Osaka, 559-8559, JP)
Sasaki, Kunio (Hitachi Zosen Corporation 7-89, Nankokita 1-chome Suminoe-ku Osaka-shi Osaka, 559-8559, JP)
Tanaka, Shingo (Hitachi Zosen Corporation 7-89, Nankokita 1-chome Suminoe-ku Osaka-shi Osaka, 559-8559, JP)
International Classes:
C02F1/58; A62D3/30; A62D3/36; A62D3/37; B01J21/18; C02F1/70; A62D101/22; A62D101/28; C02F1/58; A62D3/00; B01J21/00; C02F1/70; (IPC1-7): C07B35/06; A62D3/00
Attorney, Agent or Firm:
Kishimoto, Einosuke (Inaba Bldg, 3rd Floor 13-18, Nishishinsaibashi 1-chome Chuo-ku Osaka-shi Osaka, 542-0086, JP)
Download PDF: