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Insights into biomethane production and microbial community succession during semi-continuous anaerobic digestion of waste cooking oil under different organic loading rates

Overview of attention for article published in AMB Express, June 2018
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Title
Insights into biomethane production and microbial community succession during semi-continuous anaerobic digestion of waste cooking oil under different organic loading rates
Published in
AMB Express, June 2018
DOI 10.1186/s13568-018-0623-2
Pubmed ID
Authors

Jing He, Xing Wang, Xiao-bo Yin, Qiang Li, Xia Li, Yun-fei Zhang, Yu Deng

Abstract

High content of lipids in food waste could restrict digestion rate and give rise to the accumulation of long chain fatty acids in anaerobic digester. In the present study, using waste cooking oil skimmed from food waste as the sole carbon source, the effect of organic loading rate (OLR) on the methane production and microbial community dynamics were well investigated. Results showed that stable biomethane production was obtained at an organic loading rate of 0.5-1.5 g VS L-1 days-1. The specific biogas/methane yield values at OLR of 1.0 were 1.44 ± 0.15 and 0.98 ± 0.11 L g VS-1, respectively. The amplicon pyrosequencing revealed the distinct microbial succession in waste cooking oil AD reactors. Acetoclastic methanogens belonging to the genus Methanosaeta were the most dominant archaea, while the genera Syntrophomona, Anaerovibrio and Synergistaceae were the most common bacteria during AD process. Furthermore, redundancy analysis indicated that OLR showed more significant effect on the bacterial communities than that of archaeal communities. Additionally, whether the OLR of lipids increased had slight influence on the acetate fermentation pathway.

Twitter Demographics

The data shown below were collected from the profile of 1 tweeter 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 13 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 13 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 3 23%
Researcher 2 15%
Student > Doctoral Student 2 15%
Student > Postgraduate 1 8%
Student > Master 1 8%
Other 4 31%
Readers by discipline Count As %
Unspecified 4 31%
Environmental Science 3 23%
Agricultural and Biological Sciences 3 23%
Chemical Engineering 1 8%
Biochemistry, Genetics and Molecular Biology 1 8%
Other 1 8%

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 June 2018.
All research outputs
#11,572,224
of 13,022,532 outputs
Outputs from AMB Express
#720
of 824 outputs
Outputs of similar age
#235,104
of 271,266 outputs
Outputs of similar age from AMB Express
#26
of 26 outputs
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