Process Flow Diagram Of Xylene. The flow diagram shows purified terephthalic acid production from p xylene via a conventional catalytic oxidation processcaption oxidation. Tables table 1 typical aromatic content of pygas and reformate 5 table 2 para xylene fire and explosion safety summary 6.
Aromatics are removed from the effluent which is then processed in a second stage of the process to remove para xylene and. E 9 72 p xylene by adsorption process case b toluene alkylate feed. Process flow diagram classic sm process flow diagram alkylation reactor ethylene benzene transalkylation reactor recycle benzene distillation section polyethylbenzenes ethylbenzene heavy ends.
Modern technologies produce purified terephthalic acid by the catalytic liquid phase oxidation of paraxylene in acetic.
Xylene impurity formation is practically eliminated resulting in an eb product. Figure 1 shows the process flow diagram pfd for the simulated case. Isomer of xylene is therefore an integral intermediate in pet formation. 1 i is a crystallization unit ii is a filtration and purification unit 1is a.