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Techno-economic evaluation of conditioning with sodium sulfite for bioethanol production from softwood

Overview of attention for article published in Bioresource Technology, July 2015
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Title
Techno-economic evaluation of conditioning with sodium sulfite for bioethanol production from softwood
Published in
Bioresource Technology, July 2015
DOI 10.1016/j.biortech.2015.07.051
Pubmed ID
Authors

Adnan Cavka, Carlos Martín, Björn Alriksson, Marlene Mörtsell, Leif J. Jönsson

Abstract

Conditioning with reducing agents allows alleviation of inhibition of biocatalytic processes by toxic by-products generated during biomass pretreatment, without necessitating the introduction of a separate process step. In this work, conditioning of steam-pretreated spruce with sodium sulfite made it possible to lower the yeast and enzyme dosages in simultaneous saccharification and fermentation (SSF) to 1g/L and 5FPU/g WIS, respectively. Techno-economic evaluation indicates that the cost of sodium sulfite can be offset by benefits resulting from a reduction of either the yeast load by 0.68g/L or the enzyme load by 1FPU/g WIS. As those thresholds were surpassed, inclusion of conditioning can be justified. Another potential benefit results from shortening the SSF time, which would allow reducing the bioreactor volume and result in capital savings. Sodium sulfite conditioning emerges as an opportunity to lower the financial uncertainty and compensate the overall investment risk for commercializing a softwood-to-ethanol process.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 60 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Brazil 2 3%
India 1 2%
Unknown 57 95%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 14 23%
Researcher 7 12%
Student > Master 7 12%
Lecturer 6 10%
Professor 4 7%
Other 10 17%
Unknown 12 20%
Readers by discipline Count As %
Engineering 9 15%
Agricultural and Biological Sciences 7 12%
Chemical Engineering 6 10%
Biochemistry, Genetics and Molecular Biology 6 10%
Chemistry 5 8%
Other 10 17%
Unknown 17 28%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 02 August 2015.
All research outputs
#22,759,802
of 25,374,647 outputs
Outputs from Bioresource Technology
#6,780
of 8,264 outputs
Outputs of similar age
#235,534
of 275,683 outputs
Outputs of similar age from Bioresource Technology
#97
of 137 outputs
Altmetric has tracked 25,374,647 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 8,264 research outputs from this source. They receive a mean Attention Score of 3.6. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 275,683 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 137 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.