Use of Phthalic Anhydride (PA)

  • Plasticizer (about 50%)
  • Unsaturated polyester resins (about 20%)
  • Intermediate in the production of plastics from vinyl chroride
  • Alkyd resins (solvent based coatings)

Maximal design capacity for one reactor system

Maximum tube number 30,000
 Load (Ortho-Xylene) 100 gr./Nm3 airflow
 PA capacity 110,000 tpy

DWE®-Reactor for prodution of Phthalic Anhydride (PA)

PA Reactor on trailer

 Tubes 3.700
 Diameter 3.6 m
 Weight  55 metric tons
 Containment design  


PA Reactor fabrication.

 Tubes 24,400
 Diameter 6.7 m
 Weight 220 metric tons