Publication:
Treatment efficiency and greenhouse gas emissions of non-floating and floating bed activated sludge system with acclimatized sludge treating landfill leachate

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Issued Date

2021

Resource Type

Article

Language

eng

File Type

application/pdf

ISSN

9608524

DOI

10.1016/j.biortech.2021.124952

Other identifier(s)

2-s2.0-85102651742

Rights Holder(s)

มหาวิทยาลัยศรีนครินทรวิโรฒ

Bibliographic Citation

Bioresource Technology. Vol 330, No. (2021)

Suggested Citation

Boonnorat J., Honda R., Panichnumsin P., Boonapatcharoen N., Yenjam N., Krasaesueb C., Wachirawat M., Seemuang-On S., Jutakanoke R., Teeka J., Angthong S., Prachanurak P. Treatment efficiency and greenhouse gas emissions of non-floating and floating bed activated sludge system with acclimatized sludge treating landfill leachate. Bioresource Technology. Vol 330, No. (2021). doi:10.1016/j.biortech.2021.124952 Retrieved from: https://hdl.handle.net/20.500.14740/7780

Title

Treatment efficiency and greenhouse gas emissions of non-floating and floating bed activated sludge system with acclimatized sludge treating landfill leachate

Author(s)

Boonnorat J.
 Honda R.
 Panichnumsin P.
 Boonapatcharoen N.
 Yenjam N.
 Krasaesueb C.
 Wachirawat M.
 Seemuang-On S.
 Jutakanoke R.
 Teeka J.
 Angthong S.
 Prachanurak P.

Abstract

This research investigates the treatment efficiency and greenhouse gas (GHG) emissions of non-floating and floating bed AS systems with acclimatized sludge treating landfill leachate. The GHGs under study included carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O). The non-floating and floating bed AS systems were operated in parallel with identical landfill leachate influent under different hydraulic retention time (HRT) conditions (24, 18, and 12 h). The experimental results showed that the treatment efficiency of organic compounds under 24 h HRT of both systems (90 – 98%) were insignificantly different, while the nutrient removal efficiency of both systems were between 54 and 98 %. The treatment efficiency of the floating bed AS system, despite shorter HRT, remained relatively unchanged due to an abundance of effective bacteria residing in the floating media. The CO2 emissions were insignificantly different between both AS systems under all HRT conditions (22 – 26.3 μmol/cm2.min). The CO2 emissions were positively correlated with organic loading but inversely correlated with HRT. The CH4 emissions were positively correlated with HRT (26.3 μmol/cm2.min under 24 h HRT of the floating bed AS system). The N2O emissions were positively correlated with nitrogen loading, and the N2O emissions from the floating bed AS system were lower due to an abundance of N2O-reducing bacteria. The floating media enhanced the biological treatment efficiency while maintaining the bacterial community in the system. However, the floating media promoted CH4 production under anoxic conditions. The originality of this research lies in the use of floating media in the biological treatment system to mitigate GHG emissions, unlike existing research which focused primarily on enhancement of the treatment efficiency. © 2021 Elsevier Ltd

Subject(s)

Bacteria
 Biochemical engineering
 Biogas
 Carbon dioxide
 Efficiency
 Gas emissions
 Leachate treatment
 Nitrogen oxides
 Floating medias
 Floating-bed
 Greenhouses gas
 Hydraulic retention
 Landfill leachates
 MBBR
 N$-2$/O
 Retention time
 Sponge media
 Treatment efficiency
 Greenhouse gases
 Bacterial DNA
 Biogas
 Carbon dioxide
 Dissolved oxygen
 Methane
 Nitrogen
 Nitrous oxide
 Organic compound
 Phosphorus
 Carbon dioxide
 Methane
 Nitrous oxide
 Activated sludge
 Bioreactor
 Carbon dioxide
 Carbon emission
 Greenhouse gas
 Landfill
 Leachate
 Methane
 Nitrous oxide
 Water relations
 Activated sludge
 Anaerobic ammonium oxidation
 Article
 Carbon footprint
 Correlation analysis
 Exhaust gas
 Floating bed activated sludge system
 Hydraulic retention time
 Landfill leachate
 Methanogen
 Microbial community
 Microbial respiration
 Nitrobacter
 Nitrogen concentration
 Nitrospira
 Non floating bed activated sludge system
 Nonhuman
 Nutrient
 Priority journal
 Sludge treatment
 Water quality
 Greenhouse effect
 Greenhouse gas
 Sewage
 Water pollutant
 Bacteria (microorganisms)
 Porifera
 Carbon Dioxide
 Greenhouse Effect
 Greenhouse Gases
 Methane
 Nitrous Oxide
 Sewage
 Water Pollutants, Chemical

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URI

https://hdl.handle.net/20.500.14740/7780

Collections

Scopus: Year 1983-2021

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