| abstract |
This invention relates to a process and apparatus for the methylation of toluene in an aromatic composite plant to produce para-xylene. More specifically, the present invention relates to a process and apparatus for the methylation of toluene in an aromatic composite apparatus for the preparation of para-xylene, wherein one embodiment uses a riser reactor and another embodiment uses a preparation of dimethyl ether. The pre-reactor, and another embodiment uses partial regeneration of the catalyst. |