JPS57196706A - Reducing method for gaseous so2 - Google Patents
Reducing method for gaseous so2Info
- Publication number
- JPS57196706A JPS57196706A JP56079538A JP7953881A JPS57196706A JP S57196706 A JPS57196706 A JP S57196706A JP 56079538 A JP56079538 A JP 56079538A JP 7953881 A JP7953881 A JP 7953881A JP S57196706 A JPS57196706 A JP S57196706A
- Authority
- JP
- Japan
- Prior art keywords
- gaseous
- amount
- flow rate
- controller
- fed
- 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)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
PURPOSE: To always feed a reducing gas by an exact amount by calculating the amount of gaseous SO2 from a function of the flow rate of a drawn gaseous mixture and the concn. of gaseous SO2 in accordance with the measured value of the flow rate and mixing the reducing gas corresponding to the gaseous SO2.
CONSTITUTION: Chambers 1, 1', 1" packed with an SO2 adsorbent are placed at an adsorbing zone 2, a desorbing zone 3 and a cooling zone 4, respectively. Part of a gaseous mixture of a desorbing gas with gaseous SO2 fed with a blower 13 is fed to a reducing tower 15, and the remainder is circulated to the chamber 1'. At this time, the flow rate of the gaseous mixture flowing through a duct 14 is measured with a flowmeter 17, the measured value is inputted in a function generator 24 to calculate the concn. of gaseous SO2, and from the calculated value and the measured value of the flow rate the amount of gaseous SO2 is calculated with an operator 21. The amount of gaseous H2 corresponding to the amount of gaseous SO2 is then calculated with a controller 22, and a control signal is given from the controller 22 to a controller 23, where it is compared to the actual flow rate measured with a flowmeter 20. The controller 23 gives a signal for controlling a control valve 19 so that the difference is made zero, and gaseous H2 is fed by a prescribed amount.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56079538A JPS57196706A (en) | 1981-05-26 | 1981-05-26 | Reducing method for gaseous so2 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56079538A JPS57196706A (en) | 1981-05-26 | 1981-05-26 | Reducing method for gaseous so2 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57196706A true JPS57196706A (en) | 1982-12-02 |
Family
ID=13692766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56079538A Pending JPS57196706A (en) | 1981-05-26 | 1981-05-26 | Reducing method for gaseous so2 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57196706A (en) |
-
1981
- 1981-05-26 JP JP56079538A patent/JPS57196706A/en active Pending
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