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Feasibility of biohydrogen production from industrial wastes using defined microbial co-culture

Overview of attention for article published in Biological Research, May 2015
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Mentioned by

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2 tweeters

Citations

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15 Dimensions

Readers on

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28 Mendeley
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Title
Feasibility of biohydrogen production from industrial wastes using defined microbial co-culture
Published in
Biological Research, May 2015
DOI 10.1186/s40659-015-0015-x
Pubmed ID
Authors

Peng Chen, Yuxia Wang, Lei Yan, Yiqing Wang, Suyue Li, Xiaojuan Yan, Ningbo Wang, Ning Liang, Hongyu Li

Abstract

The development of clean or novel alternative energy has become a global trend that will shape the future of energy. In the present study, 3 microbial strains with different oxygen requirements, including Clostridium acetobutylicum ATCC 824, Enterobacter cloacae ATCC 13047 and Kluyveromyces marxianus 15D, were used to construct a hydrogen production system that was composed of a mixed aerobic-facultative anaerobic-anaerobic consortium. The effects of metal ions, organic acids and carbohydrate substrates on this system were analyzed and compared using electrochemical and kinetic assays. It was then tested using small-scale experiments to evaluate its ability to convert starch in 5 L of organic wastewater into hydrogen. For the one-step biohydrogen production experiment, H1 medium (nutrient broth and potato dextrose broth) was mixed directly with GAM broth to generate H2 medium (H1 medium and GAM broth). Finally, Clostridium acetobutylicum ATCC 824, Enterobacter cloacae ATCC 13047 and Kluyveromyces marxianus 15D of three species microbial co-culture to produce hydrogen under anaerobic conditions. For the two-step biohydrogen production experiment, the H1 medium, after cultured the microbial strains E. cloacae ATCC 13047 and K. marxianus 15D, was centrifuged to remove the microbial cells and then mixed with GAM broth (H2 medium). Afterward, the bacterial strain C. acetobutylicum ATCC 824 was inoculated into the H2 medium to produce hydrogen by anaerobic fermentation. The experimental results demonstrated that the optimum conditions for the small-scale fermentative hydrogen production system were at pH 7.0, 35°C, a mixed medium, including H1 medium and H2 medium with 0.50 mol/L ferrous chloride, 0.50 mol/L magnesium sulfate, 0.50 mol/L potassium chloride, 1% w/v citric acid, 5% w/v fructose and 5% w/v glucose. The overall hydrogen production efficiency in the shake flask fermentation group was 33.7 mL/h(-1).L(-1), and those the two-step and the one-step processes of the small-scale fermentative hydrogen production system were 41.2 mL/h(-1).L(-1) and 35.1 mL/h(-1).L(-1), respectively. Therefore, the results indicate that the hydrogen production efficiency of the two-step process is higher than that of the one-step process.

Twitter Demographics

The data shown below were collected from the profiles of 2 tweeters who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 28 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
India 1 4%
Unknown 27 96%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 5 18%
Student > Bachelor 1 4%
Student > Doctoral Student 1 4%
Other 1 4%
Student > Master 1 4%
Other 1 4%
Unknown 18 64%
Readers by discipline Count As %
Agricultural and Biological Sciences 5 18%
Engineering 3 11%
Chemical Engineering 1 4%
Unknown 19 68%

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 16 October 2015.
All research outputs
#9,645,906
of 12,565,738 outputs
Outputs from Biological Research
#207
of 309 outputs
Outputs of similar age
#145,730
of 232,619 outputs
Outputs of similar age from Biological Research
#1
of 5 outputs
Altmetric has tracked 12,565,738 research outputs across all sources so far. This one is in the 20th percentile – i.e., 20% of other outputs scored the same or lower than it.
So far Altmetric has tracked 309 research outputs from this source. They receive a mean Attention Score of 2.7. This one is in the 29th percentile – i.e., 29% 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 232,619 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 31st percentile – i.e., 31% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 5 others from the same source and published within six weeks on either side of this one. This one has scored higher than all of them