Title:
インシチュー(insitu)で生成されるアニオン性粘土を含有する物体
Document Type and Number:
Japanese Patent JP4293791
Kind Code:
B2
Abstract:
The present invention is directed to a process for the preparation of crystalline anionic clay-containing bodies from sources comprising a trivalent metal source and a divalent metal source comprising the steps of: a) preparing a precursor mixture containing a liquid, a divalent metal source and/or a trivalent metal source, at least one of them being insoluble in the liquid; b) shaping the precursor mixture to obtain shaped bodies; c) optionally thermally treating the shaped bodies; and d) aging the shaped bodies to obtain crystalline anionic clay-containing bodies; with the proviso that if no trivalent metal source is present in the precursor mixture of step a), such source is added to the shaped bodies after shaping step b) and before aging step d); and with the further proviso that the combined use of an aluminium source as the trivalent metal source and a magnesium source as the divalent metal source is excluded. The quintessence of the present invention is that the major part of the final amount of anionic clay is formed after shaping, i.e., in situ in the shaped body. This results in attrition resistant bodies, without the need to add a binder material.
Inventors:
Stamiles, Dennis
Jones, William
O'Connell, Paul
Jones, William
O'Connell, Paul
Application Number:
JP2002571401A
Publication Date:
July 08, 2009
Filing Date:
January 29, 2002
Export Citation:
Assignee:
Akzo Nobel N.V.
International Classes:
C01B33/40; B01J20/10; C04B33/13; B01J20/12; B01J21/16; B01J23/00; C01B13/32; C01F7/00; C01G9/00; C01G15/00; C01G51/00; C04B33/04; C09C1/42
Domestic Patent References:
| JP63182031A |
Attorney, Agent or Firm:
Mitsuo Matsui