Methanol production process

Schematic flow chart of methanol production by low-pressure method

1

Heating furnace 2 Conversion furnace

3 Waste heat boiler

4 Heater

5 Desulphurizer

6

,24, 21, 17, 12 is water cooler 7 Gas-liquid separator

8 Syngas three-stage centrifugal compressor

10 Methanol synthesis tower

11, 15

Heat exchanger

9 Circulating gas compressor

10 Methanol synthesis tower

11, 15

Heat exchanger

13 Methanol separator

14

Crude methanol intermediate tank

16 Deuterated light component tower

18 Separation tower

19, 22

Reboiler 20 Methanol distillation tower

23

CO2 absorption tower.