Abstract
For pre-combustion CO 2 capture processes, a 1Nm 3/h water gas shift (WGS)/multi-layer membrane system has been developed. Simulated syngas (H 2: 25-35, CO: 60-65, CO 2: 5-15 vol.%) was used in these experiments. The 1Nm 3/h WGS/multi-layer membrane system consisted of mass flow controllers, water gas shift reactors, gas/steam separators, five layer Pd-Cu membrane module, back pressure regulator, gas chromatograph (GC) analyzers and nondispersive infrared (ND-IR) gas analyzers. The operation conditions of WGS/multi-layer membrane system were 200-400°C, 10-20bar and steam/carbon ratios in WGS were between 2.0 and 5.0. In the experiments of WGS/multi-layer membrane system, the average gas concentration before membrane module was H 2: 57-58, CO 2: 42-43, CO: 0.2-0.3 vol.%. The CO 2 concentration of retentate flow reached up to 80 vol.% and the H 2 concentration of permeate flow was over 99 vol.%.
| Original language | English |
|---|---|
| Pages (from-to) | 521-525 |
| Number of pages | 5 |
| Journal | Chemical Engineering Journal |
| Volume | 207-208 |
| DOIs | |
| State | Published - 2012.10.1 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 13 Climate Action
Keywords
- CO capture
- Gasification
- Membrane
- Water gas shift (WGS)
Quacquarelli Symonds(QS) Subject Topics
- Environmental Sciences
- Engineering - Mechanical
- Engineering - Petroleum
- Engineering - Chemical
- Chemistry
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