JPS5667542A - Regeneration method of zeolite - Google Patents
Regeneration method of zeoliteInfo
- Publication number
- JPS5667542A JPS5667542A JP14437479A JP14437479A JPS5667542A JP S5667542 A JPS5667542 A JP S5667542A JP 14437479 A JP14437479 A JP 14437479A JP 14437479 A JP14437479 A JP 14437479A JP S5667542 A JPS5667542 A JP S5667542A
- Authority
- JP
- Japan
- Prior art keywords
- zeolite
- water
- solvents
- saturated
- packed layer
- 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
Landscapes
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
PURPOSE: To remove solvents which are easy to thermally decompose at high boiling points with good efficiently without contaminating zeolite and regenerate the zeolite by passing water through the zeolite having been used for dehydration of solvents until it is saturated with water then allowing the same to contact steam.
CONSTITUTION: At the time of regenerating the zeolite having been used for dehydration treatment of solvents which are easy to thermally decompose at ≥ 100°C b.p., such as dimethylformaldehyde and xylene, more than equiv. water is contacted with a zeolite packed layer 1 at ≥0.5m/H linear speeds and while the heat generated when it is saturated with water is being absorbed, it is saturated with water. Thence, steam is flowed into an adsorption tower 2 from a steam pipe 13 until the zeolite packed layer 1 is substituted with the water, when the remained solvents are perfectly washed and heated. After this, the zeolite packed layer 1 is heated and dried. The zeolite is regenerated in this way by the simple operations without decomposing the solvents.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14437479A JPS5667542A (en) | 1979-11-09 | 1979-11-09 | Regeneration method of zeolite |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14437479A JPS5667542A (en) | 1979-11-09 | 1979-11-09 | Regeneration method of zeolite |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5667542A true JPS5667542A (en) | 1981-06-06 |
Family
ID=15360629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14437479A Pending JPS5667542A (en) | 1979-11-09 | 1979-11-09 | Regeneration method of zeolite |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5667542A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100347720B1 (en) * | 1999-10-21 | 2002-08-09 | 서준호 | A Method for Recovery of Organic Solvents Using a Multiple Adsorption-desorption Reactor, An Appliance thereof, and Zeolite Adsorbent packed at the above appliance |
JP2010029739A (en) * | 2008-06-25 | 2010-02-12 | Toyobo Co Ltd | Organic solvent-containing gas treatment system |
-
1979
- 1979-11-09 JP JP14437479A patent/JPS5667542A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100347720B1 (en) * | 1999-10-21 | 2002-08-09 | 서준호 | A Method for Recovery of Organic Solvents Using a Multiple Adsorption-desorption Reactor, An Appliance thereof, and Zeolite Adsorbent packed at the above appliance |
JP2010029739A (en) * | 2008-06-25 | 2010-02-12 | Toyobo Co Ltd | Organic solvent-containing gas treatment system |
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