Brief Overview 300 tons per day of EDC plant producing EDC through the reaction of ethylene, HCl and air on a fluidized bed catalyst. The plant is designed with a train that has (3) Oxychlorination reactors and a hopper which could contain catalyst discharged from reactors during maintenance shut down. Currently the catalyst is stored in the hopper with the current plant shut-down status.
The initial plant technology was supplied by Goodrich and is based on a fluid bed catalyst oxidation with air. Normal production capacity is rated at 260,000 MTPY. Due to several improvements and changes becomes Montedison technology and then EVC technology. Technology is included in plant deal.
During EDC formation some by-products are generated, and need to be removed along with un-reacted ethylene and HCL in the EDC distillation section. This section includes quench, distillation and purification units.
Produced purified EDC was used as a raw material in the production of VCM. The EDC was sent to furnaces where the EDC molecular structure was broken and the produced VCM leaves section, mixed with cracking by-products.
The catalyst for used in the Oxychlorination reactors is a copper-magnesium on alumina support.
The EDC Oxyclorination plant (CV23) and were installed by Montedison. Improvements and upgrades continued through 2000. The last maintenance was done in 2009 after shut down.
All documentation including engineering, design data, drawings, refurbishment, modification, diagnostics, PFD, PID, are available at the site.
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