求翻译：A small purge is taken to control the inerts in the loop 。most of the methanol is removed from the purge gas in the memberane Pre－wash column 。 the remaining gas is sent to the hydrogen recovery membrane to recover the hydrogen 。the membrane hydrogen which is recycled to the syngas compressor station 。the remaining carbon rich gas is used as feed to the ATR and as fuel export 。是什么意思？

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