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Dynamic evolution of humic acids during anaerobic digestion: Exploring an effective auxiliary agent for heavy metal remediation
Wang, Xiqing1; Lyu, Tao2; Dong, Renjie1; Liu, Hongtao3; Wu, Shubiao4
2021
Source PublicationBIORESOURCE TECHNOLOGY
ISSN0960-8524
Volume320Pages:10
Corresponding AuthorWu, Shubiao(wushubiao@gmail.com)
AbstractInformation on the dynamic evolution of humic acid (HA) from anaerobic digestate and the potential of HA serving as an effective agent for remedying heavy metals is rather scarce. This study monitored the evolution of the structure and functional groups and metal-binding abilities of HA during chicken manure and corn stover anaerobic digestion (AD) processes. Higher increases in aromatic (41-66%) and oxygen-containing functional groups (37-45%) were observed in HA from the AD of corn stover, resulting in higher metal-binding abilities for Cu(II), Co(II), and Ni(II) than those of chicken manure AD. Moreover, HA extracted from fast (before day 12 for chicken manure and day 16 for corn stover), and slow (day 40) methane production stages performed different complexation capacities for the heavy metals. These results reveal the mechanisms of HA and heavy metal interactions, and confirm the potential of HA extracted from AD process for the remediation of heavy metals.
KeywordAnaerobic process Binding capacity Humic substance Phytoremediation Toxic metals
DOI10.1016/j.biortech.2020.124331
WOS KeywordDISSOLVED ORGANIC-MATTER ; SEWAGE-SLUDGE ; NUTRIENT RECOVERY ; AQUEOUS-SOLUTION ; CHICKEN SLURRY ; FULVIC-ACIDS ; SUBSTANCES ; OPTIMIZATION ; PRETREATMENT ; ADSORPTION
Indexed BySCI
Language英语
WOS Research AreaAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000599450800008
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/137476
Collection中国科学院地理科学与资源研究所
Corresponding AuthorWu, Shubiao
Affiliation1.China Agr Univ, Key Lab Clean Utilizat Technol Renewable Energy, Minist Agr, Coll Engn, Beijing 100083, Peoples R China
2.Cranfield Univ, Cranfield Water Sci Inst, Coll Rd, Cranfield MK43 0AL, Beds, England
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
4.Aarhus Univ, Dept Agroecol, Blichers Alle 20, DK-8830 Tjele, Denmark
Recommended Citation
GB/T 7714
Wang, Xiqing,Lyu, Tao,Dong, Renjie,et al. Dynamic evolution of humic acids during anaerobic digestion: Exploring an effective auxiliary agent for heavy metal remediation[J]. BIORESOURCE TECHNOLOGY,2021,320:10.
APA Wang, Xiqing,Lyu, Tao,Dong, Renjie,Liu, Hongtao,&Wu, Shubiao.(2021).Dynamic evolution of humic acids during anaerobic digestion: Exploring an effective auxiliary agent for heavy metal remediation.BIORESOURCE TECHNOLOGY,320,10.
MLA Wang, Xiqing,et al."Dynamic evolution of humic acids during anaerobic digestion: Exploring an effective auxiliary agent for heavy metal remediation".BIORESOURCE TECHNOLOGY 320(2021):10.
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