| 摘要 |
A solid absorbent such as a molecular sieve which has been used to remove undesired compounds, for example oxygen-containing hydrocarbonaceous compounds such as ethers and alcohols, water or sulfur-containing compounds, from a hydrocarbon stream, particularly a light liquid phase hydrocarbon stream such as a stream which is rich in C4 hydrocarbons, is regenerated by stripping the adsorbent with a low-temperature hydrogen-rich gas stream, which preferably has a temperature below about 200 DEG F (93 DEG C), and then gradually increasing the temperature of the gas stream to customary regeneration temperatures. |
