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Author Topic: Biogas from fermented BIomass  (Read 496 times)

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AGelbert

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Re: Biogas from fermented BIomass
« on: May 09, 2017, 02:12:29 pm »



More to biofuels than CO2 reduction   

 Thursday, May 4, 2017

Failure to account for non-fuel related benefits from biofuel production leads to an underestimation of the greenhouse gas (GHG) emission reduction potential for biofuels when replacing fossil fuels due to the many valuable by-products and/or co-produced utilities with high fossil replacement potential. With the current Swedish biofuel production portfolio, consideration of non-fuel related benefits could lead to 50 percent greater GHG emission savings, a recently concluded project finds.

In 2014, the Swedish Energy Agency reported a greenhouse gas (GHG) emissions reduction of 1.95 million tonnes of carbon dioxide equivalent (CO2-eq) due to the replacement of fossil fuels with biofuels. However, a narrow focus on CO2 fails to capture the additional benefits biofuel production may have according to a recently concluded Swedish research project.

Over 16 percent of all fuel used on Swedish roads during the first half of 2016 were renewable.  


GHG reduction benefits of biofuel production underestimated according to a new study.

Studies often indicate that agricultural and biomass production systems have the potential to provide considerable socio-economic benefits, but that the level of detail and clarity regarding benefits provided by expanded biomass production and biofuel process industries are insufficient.

Furthermore, the significant focus directed toward investigating the life cycle impacts and negative socio-economic effects of biofuel production tend to exclude, miss, or ignore additional benefits from the biofuel industry accrued in both environmental and socio-economic spheres.

This was the starting point for a recently completed project within the Swedish Knowledge Centre for Renewable Transportation Fuels (f3) and Swedish Energy Agency collaborative research programme Renewable transportation fuels and systems (Förnybara drivmedel och system).

Factoring non-fuel GHG emission benefits

Project leader Michael Martin from IVL Swedish Environmental Research Institute has worked together with participants from f3 partners Bio4Energy/Luleå University of Technology and Lund University to study the additional socio-economic benefits that also come from replacing fossil fuels with biofuels.

The project Environmental and socio-economic benefits from Swedish biofuel production, has quantified and analyzed environmental benefits, and reviewed and documented socio-economic benefits of biofuel production in Sweden.

The results from the environmental analysis provide evidence that failure to account for non-fuel related benefits from biofuel production leads to an underestimation of the potential for biofuels to contribute to GHG emission reductions when replacing fossil fuels due to the many valuable by-products and/or co-produced utilities with high fossil replacement potential.

Prime examples of such being by-products from grain-based ethanol production, digestate from biogas production, and utility integration of lignocellulosic fuel production such as fuels derived from biomass gasification.

Göteborg Energi’s Gothenburg Biomass Gasification Project (GoBiGas) is the world’s largest woody biomass gasification demonstration project.

With the current Swedish biofuel production portfolio, consideration of non-fuel related benefits could lead to 50 percent greater GHG emission savings, compared to when only considering the replaced fossil fuels. In the considered future fuel production mix scenarios the corresponding number could almost reach 90 percent, due to significantly increasing shares of biogas and lignocellulosic biofuels.

The results from the project have been submitted in two scientific articles that are to be published. An additional supporting report that elaborates on the socio-economic benefits through a screening and review of job creation and assessment methods for other benefits is also under way. In the meanwhile, an extended summary report is available.

Reference: https://bioenergyinternational.com/

https://advancedbiofuelsconference.org/

http://buyersguide.renewableenergyworld.com/international-advanced-biofuels-conference/pressrelease/more-to-biofuels-than-co2-reduction.html
Rob not the poor, because he is poor: neither oppress the afflicted in the gate:
For the Lord will plead their cause, and spoil the soul of those that spoiled them. Pr. 22:22-23

 

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