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100,000 tons/year BDO project of Xinjiang Meike Chemical Co., Ltd.
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Shift gas pressure swing adsorption hydrogen production device
Methanol purge gas film hydrogen recovery device
20730Nm3/h shift gas pressure swing adsorption hydrogen production device
9060Nm3/h methanol purge gas film hydrogen recovery device
Shift gas volume: 20730Nm3/h
Shift gas composition: 70% H2, 24% CO2, 0.3% CO, 3.7% CH4, 0.8% N2 and a small amount of hydrocarbons, methanol and other substances
Working pressure: 1.71MPa
Product hydrogen content: ≥99.7%
Product CO+CO2 content: ≤10ppm
Hydrogen recovery rate: ≥95.0%
Free air volume: 9060Nm3/h;
Purge gas composition: 59% H2, 6% CO2, 8% CO, 19% CH4, 4.6% N2 and a small amount of hydrocarbons, methanol and other substances
Working pressure: 4.75MPa
Product hydrogen content: ≥85.0%
Hydrogen recovery rate: ≥85.0%
1. The process design is reasonable. In order to make the membrane separation hydrogen recovery device more economical and effective, the two-stage separation design is used for the first time in the arrangement of the membrane separator. On the basis of not significantly increasing the energy consumption, the hydrogen production concentration and Recovery rate.
2. In terms of reducing the scale and investment of new hydrogen production plants, membrane separation technology will undoubtedly play an increasingly important role with its unique advantages.
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