Membrane PSA: [Weekly Topic] {April 26, 2011} Separation methods for coalbed methane
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High-purity CH4 has been separated; let’s discuss it!
Our company uses full PSA technology to recover CH4 from medium- and low-concentration coalbed methane, in order to produce CNG and LNG. Large-scale industrial factories have already begun construction in Shanxi. The technology is currently the most advanced. The test results were very good.
The separation of coalbed methane is not a PSA technology issue, but rather a pressure safety issue.
Reply to floor 3: Coalbed methane, also known as gas, presents difficulties in recovery due to its explosive nature. The key to separating, concentrating, and recovering methane lies in how to ensure safety while effectively increasing methane recovery. It’s not just a matter of compression.
Reply to 4# lipanhg: Right, how can the safety issues related to pressure be addressed? Tianyi developed it back in the early days, but it’s a shame it was never promoted. I guess you’re Dakota.
It should be PSA. But the amount of PSA used is probably not enough.
The processing capacity of PSA can meet the requirements. Depending on the different CH4 contents and the requirements for CH4 recovery and concentration, using PSA offers certain advantages and is feasible.
The most critical issue is that the gas contains oxygen, and pressurizing it is extremely dangerous