Title:
バイヤー苛性化改良法
Document Type and Number:
Japanese Patent JP3872956
Kind Code:
B2
Abstract:
An improved process for the causticisation of Bayer liquors in an aluminarefinery, the process including the steps of:
adding a suitable inhibitor to a Bayer liquor to stabilize the formation of a hydrocalumite species during causticisation to inhibit undesirable reaction of the hydrocalumite species to form TCA, whereby the attainable C/S ratio of the liquor can be increased.
Inventors:
Stephen Philip Rosenberg
Darrell James Wilson
Catherine Anne Heath
Darrell James Wilson
Catherine Anne Heath
Application Number:
JP2000572154A
Publication Date:
January 24, 2007
Filing Date:
September 13, 1999
Export Citation:
Assignee:
Worsley Alumina PTT Limited
International Classes:
C01F7/0633; C01F7/473; C09K23/00
Domestic Patent References:
| JP5017131A | ||||
| JP64014111A |
Foreign References:
| US3120996 | ||||
| US4486393 | ||||
| US4609534 | ||||
| US2992893 | ||||
| US3210155 |
Attorney, Agent or Firm:
Kosaku Sugimura
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