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Gas controlled hydrogen fermentation

Overview of attention for article published in Bioresource Technology, January 2012
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Title
Gas controlled hydrogen fermentation
Published in
Bioresource Technology, January 2012
DOI 10.1016/j.biortech.2012.01.122
Pubmed ID
Authors

Juan-Rodrigo Bastidas-Oyanedel, Zuhaida Mohd-Zaki, Raymond J. Zeng, Nicolas Bernet, Steven Pratt, Jean-Philippe Steyer, Damien John Batstone

Abstract

Acidogenic fermentation is an anaerobic process of double purpose, while treating organic residues it produces chemical compounds, such as hydrogen, ethanol and organic acids. Therefore, acidogenic fermentation arises as an attractive biotechnology process towards the biorefinery concept. Moreover, this process does not need sterile operating conditions and works under a wide range of pH. Changes of operating conditions produce metabolic shifts, inducing variability on acidogenic product yield. To induce those changes, experiments, based on reactor headspace N(2)-flushing (gas phase), were designed. A major result was the hydrogen yield increase from 1 to 3.25±0.4 ( [Formula: see text] ) at pH 4.5 and N(2)-flushing of 58.4 (L·d(-1)). This yield is close to the theoretical acidogenic value (4 [Formula: see text] ). The mechanisms that explain this increase on hydrogen yield shifts are related to the thermodynamics of three metabolic reactions: lactate hydrogenase, NADH hydrogenase and homoacetogenesis, which are affected by the low hydrogen partial pressures.

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The data shown below were collected from the profile of 1 X user who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 114 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
France 5 4%
India 1 <1%
Italy 1 <1%
Romania 1 <1%
Unknown 106 93%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 30 26%
Researcher 20 18%
Student > Master 20 18%
Other 7 6%
Student > Bachelor 6 5%
Other 13 11%
Unknown 18 16%
Readers by discipline Count As %
Environmental Science 28 25%
Engineering 23 20%
Agricultural and Biological Sciences 13 11%
Chemistry 10 9%
Chemical Engineering 7 6%
Other 11 10%
Unknown 22 19%
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 13 February 2012.
All research outputs
#20,655,488
of 25,373,627 outputs
Outputs from Bioresource Technology
#6,102
of 8,264 outputs
Outputs of similar age
#205,062
of 253,431 outputs
Outputs of similar age from Bioresource Technology
#118
of 134 outputs
Altmetric has tracked 25,373,627 research outputs across all sources so far. This one is in the 10th percentile – i.e., 10% 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 17th percentile – i.e., 17% 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 253,431 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 8th percentile – i.e., 8% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 134 others from the same source and published within six weeks on either side of this one. This one is in the 5th percentile – i.e., 5% of its contemporaries scored the same or lower than it.