Its isomerization is aimed at increasing the yields of para - and ortho - xylenes.
其异构化的目的是提高对二甲苯和邻二甲苯的收率。
2
Another important group of petrochemical raw materials are the aromatic compounds, principally benzene, toluene and xylenes, which are mainly produced by catalytic reforming.
另一组重要的石油化学品原料是芳香烃化合物，主要是苯、甲苯和二甲苯，主要由催化重整制得。
3
The recycle theory was introduced briefly in this article. Additionally, the application of this theory was shown with the example of separating para-xylene from mixed xylenes.