JPS5778921A - Solvent recovering method - Google Patents
Solvent recovering methodInfo
- Publication number
- JPS5778921A JPS5778921A JP55153730A JP15373080A JPS5778921A JP S5778921 A JPS5778921 A JP S5778921A JP 55153730 A JP55153730 A JP 55153730A JP 15373080 A JP15373080 A JP 15373080A JP S5778921 A JPS5778921 A JP S5778921A
- Authority
- JP
- Japan
- Prior art keywords
- steam
- solvent
- desorption
- adsorption tank
- evaporator
- 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
- Treating Waste Gases (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
PURPOSE: To reduce the amount of steam supplied from the outside of a system and contrive to conserve energy by a method wherein steam for desorption is produced by utilizing the waste heat of steam which has been used in a steam direct desorption step.
CONSTITUTION: Steam S is charged directly into an adsorption tank 1' in which a solvent has been adsorbed, whereby the solvent is desorbed and an adsorbent is regenerated. The solvent-containing steam obtd. after the desorption is brought into heat exchange with boiler water W in an evaporator 4 to form a condensate, which is further cooled by a cooler 6 and is separated into water and the solvent at a separator 7 by utilizing the difference in specific gravity. The boiler water is evaporated in an evaporator 4 at a reduced pressure, the resulting steam is fed to a compressor 5 by which it is pressurized and its temperature is raised, and then the steam is fed into the adsorption tank 1' as the steam S for desorption. In addition, at the time of starting the desorption step, since defficiency of heat supply occurs due to the consumption of the thermal energy of the steam in heating up the adsorption tank 1', steam S' from a boiler is supplied through a steam control valve 10 so as to maintain a constant steam pressure at the outlet of the compressor 5.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55153730A JPS5778921A (en) | 1980-11-04 | 1980-11-04 | Solvent recovering method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55153730A JPS5778921A (en) | 1980-11-04 | 1980-11-04 | Solvent recovering method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5778921A true JPS5778921A (en) | 1982-05-17 |
Family
ID=15568835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55153730A Pending JPS5778921A (en) | 1980-11-04 | 1980-11-04 | Solvent recovering method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5778921A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS605205A (en) * | 1983-06-21 | 1985-01-11 | Sekisui Chem Co Ltd | Solvent recovery apparatus |
| JPS605424U (en) * | 1983-06-21 | 1985-01-16 | 積水化学工業株式会社 | Solvent recovery equipment |
-
1980
- 1980-11-04 JP JP55153730A patent/JPS5778921A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS605205A (en) * | 1983-06-21 | 1985-01-11 | Sekisui Chem Co Ltd | Solvent recovery apparatus |
| JPS605424U (en) * | 1983-06-21 | 1985-01-16 | 積水化学工業株式会社 | Solvent recovery equipment |
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