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The use of food waste as a carbon source for on-site treatment of nutrient-rich blackwater from an office block

Overview of attention for article published in Environmental Technology, February 2016
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Title
The use of food waste as a carbon source for on-site treatment of nutrient-rich blackwater from an office block
Published in
Environmental Technology, February 2016
DOI 10.1080/09593330.2016.1150351
Pubmed ID
Authors

Simon J.C. Tannock, William P. Clarke

Abstract

Wastewater from office blocks is typically dominated by blackwater and is therefore concentrated and nutrient rich. A pilot plant was operated for 260 days, receiving 300 L.d(-1) of wastewater directly from an office building to determine whether nutrient removal could be achieved using food waste as a supplemental carbon source. The pilot plant consisted of a 600L prefermenter and a 600L membrane bioreactor (MBR) that was operated as a sequential batch reactor in order to cycle through anoxic, anaerobic and aerobic phases. The influent wastewater COD/N/P was on average 1438/275/40 mg.L(-1), considerably higher than typical municipal wastewater. Treatment trials on the wastewater alone showed the COD was only marginally sufficient to exhaust nitrate and initiate anaerobic conditions required for phosphate removal. The addition of 15 kg.d(-1) of macerated food waste increased the average influent COD/N/P concentrations to 20072/459/66 mg.L(-1). The suitability of food waste as a carbon source was demonstrated by denitrification to NOx-N concentration of < 1 mg.L(-1) during the biological nutrient removal (BNR) cycles. N removal was limited by nitrification. FW also induced the anaerobic phase within the BNR cycles necessary for P removal. The final average COD (non-recalcitrant)/N/P effluent concentrations under food waste supplementation were 7/50/13 mg.L(-1) which equates to 99, 89 and 80% COD/N/P removal respectively, meeting the highest nutrient removal efficiency standards stipulated by state jurisdictions for on-site systems in the U.S.A.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 17 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 17 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 4 24%
Student > Doctoral Student 3 18%
Student > Ph. D. Student 3 18%
Researcher 2 12%
Unspecified 1 6%
Other 1 6%
Unknown 3 18%
Readers by discipline Count As %
Agricultural and Biological Sciences 4 24%
Environmental Science 3 18%
Chemical Engineering 2 12%
Engineering 2 12%
Nursing and Health Professions 2 12%
Other 2 12%
Unknown 2 12%
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 09 February 2016.
All research outputs
#18,438,457
of 22,844,985 outputs
Outputs from Environmental Technology
#1,153
of 2,420 outputs
Outputs of similar age
#216,727
of 298,578 outputs
Outputs of similar age from Environmental Technology
#18
of 31 outputs
Altmetric has tracked 22,844,985 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
So far Altmetric has tracked 2,420 research outputs from this source. They receive a mean Attention Score of 1.5. This one is in the 10th percentile – i.e., 10% of its peers scored the same or lower than it.
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We're also able to compare this research output to 31 others from the same source and published within six weeks on either side of this one. This one is in the 9th percentile – i.e., 9% of its contemporaries scored the same or lower than it.