DKT Energy Technology

National High-tech Enterprise; Sichuan Provincial Enterprise Technology Center; Class B qualification for chemical engineering design; Class A qualification for environmental pollution prevention and control; Pressure pipeline GC1 design qualification

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100,000 tons/year BDO project of Xinjiang Meike Chemical Co., Ltd.

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100,000 tons/year BDO project of Xinjiang Meike Chemical Co., Ltd.

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Detailed introduction

Parameters

Project Description

Shift gas pressure swing adsorption hydrogen production device

Methanol purge gas film hydrogen recovery device

Scale

20730Nm3/h shift gas pressure swing adsorption hydrogen production device

9060Nm3/h methanol purge gas film hydrogen recovery device

Technical index

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%

Technical characteristics

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.