TY - JOUR
T1 - Characterization of preconcentrated domestic wastewater toward efficient bioenergy recovery
T2 - Applying size fractionation, chemical composition and biomethane potential assay
AU - Yang, Yuan
AU - Hu, Yisong
AU - Duan, Ao
AU - Wang, Xiaochang C.
AU - Hao Ngo, Huu
AU - Li, Yu You
N1 - Funding Information:
This study was supported by the Natural Science Foundation of Shaanxi Province (grant no. 2018JQ5054 ), the Japan Society for the Promotion of Science (JSPS) support for JSPS Fellows (no. 19F19745 ), the Shaanxi Provincial Program for Innovative Research Team (grant no. 2019TD-025 ), and the Sichuan Science and Technology Program ( 2020YJ0196 ).
Publisher Copyright:
© 2020 Elsevier Ltd
PY - 2021/1
Y1 - 2021/1
N2 - Domestic wastewater (DWW) can be preconcentrated to facilitate energy recovery via anaerobic digestion (AD), following the concept of “carbon capture–anaerobic conversion–bioenergy utilization.” Herein, real DWW and preconcentrated domestic wastewater (PDWW) were both subject to particle size fractionation (0.45–2000 μm). DWW is a type of low-strength wastewater (average COD of 440.26 mg/L), wherein 60% of the COD is attributed to the substances with particle size greater than 0.45 μm. Proteins, polysaccharides, and lipids are the major DWW components. PDWW with a high COD concentration of 2125.89 ± 273.71 mg/L was obtained by the dynamic membrane filtration (DMF) process. PDWW shows larger proportions of settleable and suspended fractions, and accounted for 63.4% and 33.8% of the particle size distribution, and 52.4% and 32.2% of the COD, respectively. The acceptable biomethane potential of 262.52 ± 11.86 mL CH4/g COD of PDWW indicates bioenergy recovery is feasible based on DWW preconcentration and AD.
AB - Domestic wastewater (DWW) can be preconcentrated to facilitate energy recovery via anaerobic digestion (AD), following the concept of “carbon capture–anaerobic conversion–bioenergy utilization.” Herein, real DWW and preconcentrated domestic wastewater (PDWW) were both subject to particle size fractionation (0.45–2000 μm). DWW is a type of low-strength wastewater (average COD of 440.26 mg/L), wherein 60% of the COD is attributed to the substances with particle size greater than 0.45 μm. Proteins, polysaccharides, and lipids are the major DWW components. PDWW with a high COD concentration of 2125.89 ± 273.71 mg/L was obtained by the dynamic membrane filtration (DMF) process. PDWW shows larger proportions of settleable and suspended fractions, and accounted for 63.4% and 33.8% of the particle size distribution, and 52.4% and 32.2% of the COD, respectively. The acceptable biomethane potential of 262.52 ± 11.86 mL CH4/g COD of PDWW indicates bioenergy recovery is feasible based on DWW preconcentration and AD.
KW - Bioenergy production
KW - Biomethane production potential
KW - Carbon capture
KW - Domestic wastewater preconcentration
KW - Resource recovery
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U2 - 10.1016/j.biortech.2020.124144
DO - 10.1016/j.biortech.2020.124144
M3 - Article
C2 - 32979595
AN - SCOPUS:85091224643
SN - 0960-8524
VL - 319
JO - Agricultural Wastes
JF - Agricultural Wastes
M1 - 124144
ER -
