PAPERmaking! Vol8 Nr1 2022

Sustainability 2021 , 13 , 9069

10of 17

Table5. Costs associated with Silverskin paper production life cycle.

Phase

Cost’s Voice

Quantity

Unit

UnitCost

Unit

Costs ( € )

Sources

Research and Development Work (researcher/ engineer)

€ /hour

0.8

hour

40

32 32

FAVINI srl

Subtotal

Raw material acquisition

0.20 € 0.75 € 0.06 € 0.60 € 0.65 € 0.63 € 0.76 € 0.60 € 0.00 € 0.42 € 2.50 €

€ /kg € /kg € /kg € /kg € /kg € /kg € /kg € /kg € /kg € /kg € /kg

0.007 € 0.001 € 0.012 € 0.003 € 0.227 € 0.033 € 0.046 € 0.031 € 0.000 € 0.017 € 0.002 € 0.380 €

Chemicals, inorganic

0.0372

kg kg kg kg kg kg kg kg kg kg kg

FAVINI srl FAVINI srl FAVINI srl FAVINI srl FAVINI srl FAVINI srl

Silica flour Limestone AKDsizer

0.001 0.202

0.00434

Wastepaper pulp (Italy) Eucalyptus pulp (Brazil) Softwood pulp (Sweden) Hardwood pulp (Slovakia)

0.349141 0.052387 0.061108 0.052387 0.130936

Index Mundi

FAVINI srl

Silverskin

Potato starch

0.0397 0.0008

FAVINI srl FAVINI srl

Pigment Subtotal

Production

€ /kWh 0.059 €

Electricity

0.4104

kWh 0.1449

[49]

Natural gas, consumer price, Italy

€ /kWh 0.094 €

3.72

kWh 0.0253

[50]

€ /mc= t

0.040 €

Water Work

23

kg

1.73

[48]

€ /hour

1

hour

25

25

25.193 €

Subtotal

Depreciation and taxes Wastewater treatment

€ /kg

86.388 € 86.388 €

21.597

kg

4

[24]

Subtotal

Silverskin supply

€ /t

0.10 €

Micronization

0.130936

kg

800

FAVINI srl

[52] (average 2018)

€ /t

0.0034 €

Transport diesel consumption 0.002304

kg

1.488.03

0.11 €

Subtotal

Use

Subtotal

0

€ /t € /t € /t € /t

0.041 € 0.025 € 0.016 €

Recycling

Collection

1

kg kg kg kg

41.2

[51] [51] [51] [51]

Sorting

0.725 0.707

35

Transport to re-processor Revenue for baled paper

22.9

− 0.008 € 0.075 €

0.349206

− 21.6

Subtotal

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