PROCESS FOR A DUAL EXTRACT FLUSH
The present invention relates to dual extract flush for feeds for xylene extraction processes. More specifically, the present invention relates to dual extract flush for feeds for simulated moving bed extraction processes. It decouples line flush in and line flush out, providing a means for optimizi...
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Format | Patent |
Language | English French |
Published |
23.04.2020
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Abstract | The present invention relates to dual extract flush for feeds for xylene extraction processes. More specifically, the present invention relates to dual extract flush for feeds for simulated moving bed extraction processes. It decouples line flush in and line flush out, providing a means for optimizing each flush independently. This scheme will allow for minimizing each bedline and flushing each according to its own bedline volume, which will minimize any additional non-ideal compositions added to the chambers or downstream fractionation.
La présente invention concerne un rinçage à double extraction pour des charges d'alimentation destinées à des procédés d'extraction au xylène. Plus particulièrement, la présente invention concerne un rinçage à double extraction pour des charges d'alimentation destinées à des procédés d'extraction à lit mobile simulé. La présente invention sépare la ligne d'entrée et la ligne de sortie du rinçage ce qui permet d'obtenir un moyen d'optimisation de chaque rinçage de manière indépendante. Le schéma fourni par la présente invention permet de réduire au minimum chaque ligne de lit et de rincer chacun en fonction de son propre volume de ligne de lit, ce qui réduit au minimum toute composition non idéale supplémentaire ajoutée aux chambres ou au fractionnement en aval. |
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AbstractList | The present invention relates to dual extract flush for feeds for xylene extraction processes. More specifically, the present invention relates to dual extract flush for feeds for simulated moving bed extraction processes. It decouples line flush in and line flush out, providing a means for optimizing each flush independently. This scheme will allow for minimizing each bedline and flushing each according to its own bedline volume, which will minimize any additional non-ideal compositions added to the chambers or downstream fractionation.
La présente invention concerne un rinçage à double extraction pour des charges d'alimentation destinées à des procédés d'extraction au xylène. Plus particulièrement, la présente invention concerne un rinçage à double extraction pour des charges d'alimentation destinées à des procédés d'extraction à lit mobile simulé. La présente invention sépare la ligne d'entrée et la ligne de sortie du rinçage ce qui permet d'obtenir un moyen d'optimisation de chaque rinçage de manière indépendante. Le schéma fourni par la présente invention permet de réduire au minimum chaque ligne de lit et de rincer chacun en fonction de son propre volume de ligne de lit, ce qui réduit au minimum toute composition non idéale supplémentaire ajoutée aux chambres ou au fractionnement en aval. |
Author | NOE, R. Jason L ERNST, Gregory A MLINAR, Anton N |
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DocumentTitleAlternate | PROCÉDÉ DE RINÇAGE À DOUBLE EXTRACTION |
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Snippet | The present invention relates to dual extract flush for feeds for xylene extraction processes. More specifically, the present invention relates to dual extract... |
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Title | PROCESS FOR A DUAL EXTRACT FLUSH |
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