HIGH DENSITY POLYETHYLENE PLANT (example for used plant)
HDPE-plant
- Hexane purification
- Reactor
- Powder separation and drying
- Extrusion system
- Silos (5 pcs)
Basic Figures on the HDPE-Plant
- The Plant was built in 1990
Total capacity 175 kt/y (Slurry technology) - Space required: approx. 14.000 m², mainly outdoor (without safety distances)
- Personnel needed: 20 people, divided in 4 shifts + 2 Engineers and 1 supervisor
- Quantity of raw material of equivalent production: approx. 1,011 tons / ton final product
Low pressure and low temperature process (app. 10 bar/70°C)
The polyethylene polymerization plant is based on a slurry reactor technology.
Operability
- during the year 2013 – 98,7 %
Reliability
- during the year 2013 – 99,7 %
Total Prime Grade:
- depending on product mix
- in average about 98,1 % during last 5 years
HDPE is defined by a density of 0.935 – 0.965 g/cm³. It has a linear molecular structure and it is highly crystalline.
The values for this line are:
MFR* 5 kg: 0,2 – 0,3 (up to 0,8)
MFR* 2.16 kg: 0,6 -31,0
Density range on this line: 0,935- 0,965 g/cm³
* melt flow index
GRADES TO BE PRODUCED:
- Bimodal and unimodal products
1. Pipe grade (PE 80, PE 100)
2. Film grade
3. Injection moulding grade
4. Blow moulding grade
5. Roto moulding grade