Method for controlling reaction and controlling apparatus
While supplying methanol and carbon monoxide via feed lines 17 and 19, respectively, to a liquid phase reaction system 3 including a carbonylation catalytic system, and maintaining a substantially constant liquid level of the reaction system, part of the reaction mixture containing the produced acet...
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| Main Authors | , |
|---|---|
| Format | Patent |
| Language | English |
| Published |
25.09.2003
|
| Online Access | Get full text |
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| Summary: | While supplying methanol and carbon monoxide via feed lines
17
and
19,
respectively, to a liquid phase reaction system
3
including a carbonylation catalytic system, and maintaining a substantially constant liquid level of the reaction system, part of the reaction mixture containing the produced acetic acid is drawn out from the reaction system and supplied to a flash distillation column
4,
and the high boiling point component, which contains the carbonylation catalytic system that has been separated by ths flash distillation, is circulated to the reaction system
3
by means of a circulation line
21.
At circulation line
21,
the flow rate is detected by a flow rate sensor F
3
and the temperature is detected by a temperature sensor T
2,
and based on the detection data, a control unit
8
is used to control the temperature of the circulated high boiling point component by means of a temperature regulating unit
6
and thereby to suppress temperature and pressure fluctuations of the above-mentioned reaction system. |
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