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E-Polyvinylchloride Plant

Brief Overview

E-PVC plant

Capacity:

25,000 TPY
 

Technology:

Hoechst AG

Built:

1981

Shut Down:

1996
 

Raw Materials:

- VCM: 3,172 kg/hr
- Process water: 5 cbm/hr
- Emulsifier: 90 kg/hr
- Activator: 4.5kg/hr
- Air: 105,000 cbm/hr
- Cooling water: 65 cbm
- High pressure steam: 2.5-3 t (depends on the product type)
- Low pressure steam: 0.7t
- Power: 270-400 kW (pasten type)
- H2: 15 cbm
- Pressurized air: 6000 cbm

Products Produced:

E-PVC normal type and pasten (soft) type

Documentation:

Available
 

Major Equipment:

- Raw materials and chemicals storage, preparation and charging
- Polymerization with degassing (4pcs 15 cbm polymerizers)
- Monomer recovery (recovery column)
- Drying and finishing (spray dryer 4,500 kg/hr water evaporation, 3,500 kg/hr PVC, 190 C/95 C , mat 1.4301)
- Dry product storage,packaging
- Auxiliary units (compressors,demi water,waste water)

Process Description

Polymerization process line
- Solution preparation (emulsifier, initiator, stabilizer)
- Polymerization with degassing
- Monomer recovery
- Latex storage

Drying process line
- Latex drying
- PVC finishing
- PVC bulk storage, packaging

Auxiliary units
- Condensate treatment (demi water)
- Pressurized air (compressor room)
- Waste water treatement