C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
C10G 45/64 (2006.01) C07C 6/12 (2006.01) C10G 31/06 (2006.01) C10G 59/02 (2006.01) C10G 67/02 (2006.01)
Patent
CA 2682510
A process of producing PX comprising providing a C8+ feedstock, the C8+ feedstock has C8 hydrocarbons and C9+ hydrocarbons, to a crystallization unit under crystallization conditions to produce a PX enriched stream having a PX concentration of at least 99.5 wt% based on the weight of the PX enriched stream, wherein the C8+ feedstock has a PX concentration of at least 70 wt% based on total weight of xylenes in the C8+ feedstock, which the C8+ feedstock having a C9+ hydrocarbons concentration in a range from 1 wppm to 10 wt% based on the total weight of the C8+ feedstock.
Processus de production de PX comprenant la constitution d'un produit de base C8+, ce produit de base C8+ contenant des hydrocarbures C8 et C9+ sur une unité de cristallisation, sous des conditions de cristallisation visant à produire un flux enrichi de PX ayant une concentration de PX d'au moins 99,5% en poids basée sur le poids du PX enrichi, le produit de base C8+ contenant une concentration de PX d'au moins 70% en poids basée sur le poids total de xylènes dans le produit de base C8+, ledit produit de base C8+ contenant une concentration de carbures C9+ dans la plage de 1 ppm en poids à 10 % en poids basée sur le poids total du produit de base C8+.
Kinn Timothy F.
Knob Kevin J.
Borden Ladner Gervais Llp
Exxonmobil Chemical Patents Inc.
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