Table 6

System performance metrics for economies of scale ratio and logistical mode scenarios

Liquid transport mode


EoSR

Metric

Units

Tanker

Pipeline


1.28

Ethanol cost

$2007 lEtOH-1

0.328

0.317

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km

107

107

L:C ratio**

-

0.86

0.76

No. plants

-

1

1

Configuration

-

Integrated

Integrated


1.45

Ethanol cost

$2007 lEtOH-1

***

-

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km

58

62

L:C ratio

-

0.34

0.58

No. plants

-

4

5

Configuration

-

Integrated

Decentralised


1.65

Ethanol cost

$2007 lEtOH-1

-

-

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km

62

62

L:C ratio

-

0.69

0.59

No. plants

-

5

5

Configuration

-

Decentralised

Decentralised


*The average unit-biomass transport distance

**The ratio between logistics costs and process capital and operating costs

***Production costs for EoSR scenarios are not considered valid owing to distortions of relative and absolute component costs

Dunnett et al. Biotechnology for Biofuels 2008 1:13   doi:10.1186/1754-6834-1-13

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