Used 36,000 TPY Maleic Anhydride Plant built in 1988. The plant includes the following process sections: Butane oxidation and product recovery section, First purification phase: Maleic Acid dehydration, Second purification phase: o-Xylene recovery, Third purification phase: Light Ends recovery, Fourth purification phase: Pure Maleic Anhydride recovery, Fifth purification phase: Heavy Ends recovery. Beside the complete plant equipment, other services can be offered: Update basic engineering package, Training of laboratory technical people, Training and startup assistance, Catalyst supply