Title:
脱色されたアルミン酸ソーダ水溶液の製造方法
Document Type and Number:
Japanese Patent JP5246510
Kind Code:
B2
Abstract:
Process of producing a discolored solution of sodium aluminate comprises heat treating a suspension comprising solid magnesium oxide and sodium aluminate solution, a suspension comprising solid magnesium oxide, solid aluminum hydroxide and low concentrated sodium aluminate solution or a suspension comprising the solid magnesium oxide, solid aluminum hydroxide, and a sodium hydroxide solution at >= 130[deg] C then the withdrawal of a constituent solid. An independent claim is included for a process for producing white aluminum hydroxide comprising precipitating the aluminum hydroxide from the sodium aluminate solution produced by the process.
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Inventors:
Kazuki Takemura
Yusuke Kawamura
Yusuke Kawamura
Application Number:
JP2009155259A
Publication Date:
July 24, 2013
Filing Date:
June 30, 2009
Export Citation:
Assignee:
Sumitomo Chemical Co., Ltd.
International Classes:
C01F7/47; C01F7/04; C01F7/476
Domestic Patent References:
| JP54163799A | ||||
| JP2002241128A | ||||
| JP2004203674A | ||||
| JP59102819A |
Foreign References:
| US4915930 | ||||
| DE2148604A1 |
Attorney, Agent or Firm:
Kuro Fukami
Toshio Morita
Yoshihei Nakamura
Yutaka Horii
Masayuki Sakai
Nobuo Arakawa
Masato Sasaki
Toshio Morita
Yoshihei Nakamura
Yutaka Horii
Masayuki Sakai
Nobuo Arakawa
Masato Sasaki
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