Pressure swing adsorption and membrane separation
Thread Content
For gas separation, which is more cost-effective and practical, pressure swing adsorption or membrane separation?
Refer to discussions on this forum: Comparison between pressure swing adsorption nitrogen production and membrane separation nitrogen production http://bbs.hcbbs.com/thread-53637-1-1.html. The combination of pressure swing adsorption and continuous membrane separation processes for air separation is superior to using either method alone. This post was last edited by liyedcb on 2009-3-30 at 10:48
1. Cryogenic processing: High investment, high energy consumption, slow start-up and shutdown, but allows for the production of multiple products. 2. Chemical absorption: low pressure loss, high yield, low purity, high energy consumption, and complicated operation. 3. Membrane separation: Low investment, simple operation, low purity, and high pressure loss. 4. Adsorption separation: high purity, low pressure loss, low energy consumption, simple operation, but low yield.
Thank you all, the explanation was clear and insightful!