Economic and environmental impact marginal analysis of biorefinery products for policy targets

Elias Martinez-Hernandez, Grant M. Campbell, Jhuma Sadhukhan

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

A simple biofuel production system can be first examined for its policy compliance in terms of GHG emission reduction target relative to fossil-based counterparts. More integrated and optimised biorefinery systems with polygeneration can then be evolved with the aid of graphical analysis of marginal emission savings vs. additional economic margins. This bottom-up approach helps to achieve greater GHG emission cut by integrated systems design and thereby setting a more stringent benchmark to support policies towards achieving climate change mitigation goals. The combined Economic Value and Environmental Impact analysis is a multi-level methodology that can be used to represent biorefinery system performances as an aggregate of differential economic and environmental impact margins of biorefinery products. The methodology is extended in this paper to support process integration strategies that allow achieving policy compliance of biorefinery products in terms of GHG emission savings. An economic and environmental impact profile of the products is introduced for a graphical visualisation of economic costs and values as well as deficits and surpluses in environmental impact savings. The effectiveness of the extended methodology has been demonstrated using a Jatropha-based biorefinery system converting Jatropha seed into biodiesel, glycerol and cake, as a case study. The biodiesel produced can achieve 53% emission cut, while glycerol and cake can achieve an emission cut by 57% by displacing similar functionality fossil based products.

LanguageEnglish
Pages74-85
Number of pages12
JournalJournal of Cleaner Production
Volume74
Early online date27 Mar 2014
DOIs
Publication statusPublished - 1 Jul 2014
Externally publishedYes

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economic impact
Environmental impact
environmental impact
Economics
savings
Biodiesel
Glycerol
compliance
methodology
economics
fossil
bottom-up approach
Biofuels
biofuel
Climate change
production system
visualization
Seed
Visualization
Systems analysis

Cite this

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abstract = "A simple biofuel production system can be first examined for its policy compliance in terms of GHG emission reduction target relative to fossil-based counterparts. More integrated and optimised biorefinery systems with polygeneration can then be evolved with the aid of graphical analysis of marginal emission savings vs. additional economic margins. This bottom-up approach helps to achieve greater GHG emission cut by integrated systems design and thereby setting a more stringent benchmark to support policies towards achieving climate change mitigation goals. The combined Economic Value and Environmental Impact analysis is a multi-level methodology that can be used to represent biorefinery system performances as an aggregate of differential economic and environmental impact margins of biorefinery products. The methodology is extended in this paper to support process integration strategies that allow achieving policy compliance of biorefinery products in terms of GHG emission savings. An economic and environmental impact profile of the products is introduced for a graphical visualisation of economic costs and values as well as deficits and surpluses in environmental impact savings. The effectiveness of the extended methodology has been demonstrated using a Jatropha-based biorefinery system converting Jatropha seed into biodiesel, glycerol and cake, as a case study. The biodiesel produced can achieve 53{\%} emission cut, while glycerol and cake can achieve an emission cut by 57{\%} by displacing similar functionality fossil based products.",
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Economic and environmental impact marginal analysis of biorefinery products for policy targets. / Martinez-Hernandez, Elias; Campbell, Grant M.; Sadhukhan, Jhuma.

In: Journal of Cleaner Production, Vol. 74, 01.07.2014, p. 74-85.

Research output: Contribution to journalArticle

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