| 摘要 |
The present invention relates to a process for stripping hydrocarbons from a catalyst, comprising the step of contacting the catalyst with steam at stripping conditions, wherein the catalyst comprises a molecular sieve having a structure type of MWW, the steam comprises at least 90 wt. % vapor phase H2O, the stripping conditions comprise a temperature range from about 100° C. to about 250° C., a pressure less than 310 kpa-a, and a WHSV range from about 0.01 to about 100 hr-1.
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