Claims
- 1. A method of producing fibrous magnesium oxysulfate of granular form, sequentially comprising the steps of:
- synthesizing fibrous magnesium oxysulfate using a hydrothermal reaction of an aqueous solution containing magnesium sulfate and magnesium hydroxide or magnesium oxide;
- removing ball-like portions of 250.mu.m or more from said fibrous magnesium oxysulfate;
- dehydrating said fibrous magnesium oxysulfate to a water content of 65-80% by weight;
- pelletizing the dehydrated fibrous magnesium oxysulfate; and drying the pelletized fibrous magnesium oxysulfate.
Priority Claims (1)
Number |
Date |
Country |
Kind |
63-83702 |
Apr 1988 |
JPX |
|
Parent Case Info
This is a division of Ser. No. 333,273, filed Apr. 5, 1989, now abandoned.
Foreign Referenced Citations (5)
Number |
Date |
Country |
57-109846 |
Jul 1982 |
JPX |
59-172533 |
Sep 1984 |
JPX |
61-072038 |
Apr 1986 |
JPX |
62-091547 |
Apr 1987 |
JPX |
63-142049 |
Jun 1988 |
JPX |
Non-Patent Literature Citations (1)
Entry |
Reed, James Stafford, Ceramics, 1988, pp. 313-314. |
Divisions (1)
|
Number |
Date |
Country |
Parent |
333273 |
Apr 1989 |
|