Page 171 - Materials Chemistry, Second Edition

3.7 Illustration of the Inventory Phase by an Example 155

Packaging system: PET bottle 1000 ml Credit
wd:
1.8 kg Bottle: 38.0 kg, Bottle: 7.6 kg
Area, Paper label Closure: 3.3 kg Closure: 0.9 kg
CO 2 Label: 1.8 kg Paper label: 0.3 kg
Wood: 0.6 kg
Corrugated board: 2.4 kg Electric energy
Fossil 37.2 kg LDPE shrink foil: 2.3 kg Disposal
resources PET Pallets: 30.8 kg
Thermal energy
38.2 kg 1000 ml
Fossil PA 1.9 kg bottle beverage Trade/
resources Production Filling
3.3 kg consumer
Fossil HDPE for 3.3 kg closure Pallet wr:
resources closure bottle: 30.4 kg
closure: 2.4 kg
paper label: 1.4 kg PET flakes:
cardboard: 2.3 kg
4.4 kg corrugated LDPE foil: 2 kg 30 kg
board PE mix: 0.9 kg
Utilisation
Secondary fibre:
2.4 kg
Area, Corrugated 0.2 kg
board
CO 2
LDPE granules:
0.6 kg
Area, Wooden pallet 2 kg
CO 2 Clinker:
2.3 kg
LDPE-foil 71.6 kg
Fossil
resources
Cardboard (wr): 1.9 kg
System boundary
wr: –waste for recovery Emissions into air and water
wd: –waste for disposal
Figure 3.31 Simplified system flow chart of 1-l-PET bottle covering reference flows. Mass units refer to the functional unit:
packaging necessary for the supply of 1000 l filling material to the point-of-sale.