JPS5539240A - Hygroscopic agent for drying air - Google Patents
Hygroscopic agent for drying airInfo
- Publication number
- JPS5539240A JPS5539240A JP11193778A JP11193778A JPS5539240A JP S5539240 A JPS5539240 A JP S5539240A JP 11193778 A JP11193778 A JP 11193778A JP 11193778 A JP11193778 A JP 11193778A JP S5539240 A JPS5539240 A JP S5539240A
- Authority
- JP
- Japan
- Prior art keywords
- hygroscopic
- silica gel
- hygroscopic agent
- lithium halide
- libr
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
PURPOSE: To prepare the titled hygroscopic agent excellent in the hygroscopic velocity and hygroscopic capacity, by treating the silica gel possessing specified pore volume so as to carry the lithium halide like as LiBr, etc.
CONSTITUTION: The powder silica is kneaded together with water to form a paste which is then molded by the extruder, etc., and is dried at 100W150°C, and is baked at 200W800°C. Thus prepared silica gel possessing the pore volume larger than 0.9cc/g is immersed in the 10W50% aqueous solution of the lithium halide like as LiBr, etc., and then, is dried at 130W150°C for about 2 hours. The amount of lithium halide to be carried by the silica gel carrier is specified in the weight ratio, anhydrous salt/silica gel carrier, to be 0.5W2.5, most preferable 0.7W1.7. The regeneration of this hygroscopic agent is executed by drying at 100W170°C, most suitable 130W150°C, for 1W5 hours; hereby, this hygroscopic agent can be repeatedly used without deteriorating the hygroscopic power.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11193778A JPS5539240A (en) | 1978-09-11 | 1978-09-11 | Hygroscopic agent for drying air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11193778A JPS5539240A (en) | 1978-09-11 | 1978-09-11 | Hygroscopic agent for drying air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5539240A true JPS5539240A (en) | 1980-03-19 |
Family
ID=14573866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11193778A Pending JPS5539240A (en) | 1978-09-11 | 1978-09-11 | Hygroscopic agent for drying air |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5539240A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57165033A (en) * | 1981-04-03 | 1982-10-09 | Fuji Debuison Kagaku Kk | Hygroscopic agent and preparation thereof |
| JPS63116727A (en) * | 1986-11-05 | 1988-05-21 | Kobe Steel Ltd | Dry dehumidifying material |
| JPH01155930A (en) * | 1987-12-11 | 1989-06-19 | Onoda Cement Co Ltd | Inorganic complex drying agent |
| NL1006965C2 (en) * | 1997-09-08 | 1999-03-09 | Inalfa Ind Bv | Desiccant. |
| US6358300B1 (en) * | 2000-03-28 | 2002-03-19 | Honeywell Commercial Vehicle Systems Co. | Lithium chloride desiccant for trailer air dryer and pressure swing dehydration |
-
1978
- 1978-09-11 JP JP11193778A patent/JPS5539240A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57165033A (en) * | 1981-04-03 | 1982-10-09 | Fuji Debuison Kagaku Kk | Hygroscopic agent and preparation thereof |
| JPH039767B2 (en) * | 1981-04-03 | 1991-02-12 | Fuji Davison Chemical | |
| JPS63116727A (en) * | 1986-11-05 | 1988-05-21 | Kobe Steel Ltd | Dry dehumidifying material |
| JPH01155930A (en) * | 1987-12-11 | 1989-06-19 | Onoda Cement Co Ltd | Inorganic complex drying agent |
| NL1006965C2 (en) * | 1997-09-08 | 1999-03-09 | Inalfa Ind Bv | Desiccant. |
| WO1999012641A1 (en) * | 1997-09-08 | 1999-03-18 | Inalfa Industries B.V. | Desiccant |
| US6358300B1 (en) * | 2000-03-28 | 2002-03-19 | Honeywell Commercial Vehicle Systems Co. | Lithium chloride desiccant for trailer air dryer and pressure swing dehydration |
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