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Improving methane production from algal sludge based anaerobic digestion by co-pretreatment with ultrasound and zero-valent iron
Li, Lu1,2; Li, Zhouyang1; Song, Kang1; Gu, Yilu3; Gao, Xiaofeng3
Corresponding AuthorSong, Kang(sk@ihb.ac.cn)
2020-05-10
Source PublicationJOURNAL OF CLEANER PRODUCTION
ISSN0959-6526
Volume255Pages:9
AbstractResource recovery using algal sludge harvested from algal bloom has aroused broad interest. The present study investigated the methane production potential of algal sludge subjected to co-pretreatment with zero-valent iron and ultrasound. Results indicated that the combined zero-valent iron and ultrasound pretreatments induce algal cell wall disruption. Chlorophyll-a concentrations decreased by 14.17%, 25.20%, 35.77%, 45.05%, 61.07%, and 71.52% at zero-valent iron concentrations of 0,1, 2, 5,10, and 20 g of zero-valent iron/g of total solid, respectively, after ultrasound treatment for 30 min. Soluble chemical oxygen demands increased 5.22, 8.51, 9.85, 5.52, 11.94, and 9.40 times of corresponding original levels, respectively. After anaerobic digestion for 37 days, accumulative methane production was 30.39, 37.11, 38.06, 42.52, 49.27, 48.93, and 60.84 L CH4/kg total chemical oxygen demand of algae in Reactors R1-R7, respectively. Methane production constantly increased with zero-valent iron dosage, and the highest methane production was achieved at 20 g of zero-valent iron/g of algal total solid. Methane production in all conditions tested fitted to the one-substrate model. Model analysis indicated that hydrolysis coefficient and the dewaterability of algae increased with zero-valent iron dosage. The present study indicated that a pretreatment method combining zero-valent iron and ultrasound may be developed as an effective resource recovery technology for algal sludge treatment. (C) 2020 Elsevier Ltd. All rights reserved.
KeywordAlgal sludge Anaerobic digestion Methane production Zero-valent iron Ultrasound
DOI10.1016/j.jclepro.2020.120214
Funding OrganizationChina Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Water Pollution Control and Treatment, National Science and Technology Major Project ; Water Pollution Control and Treatment, National Science and Technology Major Project ; Water Pollution Control and Treatment, National Science and Technology Major Project ; Water Pollution Control and Treatment, National Science and Technology Major Project ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Water Pollution Control and Treatment, National Science and Technology Major Project ; Water Pollution Control and Treatment, National Science and Technology Major Project ; Water Pollution Control and Treatment, National Science and Technology Major Project ; Water Pollution Control and Treatment, National Science and Technology Major Project ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Water Pollution Control and Treatment, National Science and Technology Major Project ; Water Pollution Control and Treatment, National Science and Technology Major Project ; Water Pollution Control and Treatment, National Science and Technology Major Project ; Water Pollution Control and Treatment, National Science and Technology Major Project ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Water Pollution Control and Treatment, National Science and Technology Major Project ; Water Pollution Control and Treatment, National Science and Technology Major Project ; Water Pollution Control and Treatment, National Science and Technology Major Project ; Water Pollution Control and Treatment, National Science and Technology Major Project ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences
Indexed BySCI ; SCI
Language英语
Funding ProjectChina Postdoctoral Science Foundation[2019M652738] ; Water Pollution Control and Treatment, National Science and Technology Major Project[2018ZX07208001] ; 100 Talents Program of Chinese Academy of Sciences[Y82Z08-1-401] ; 100 Talents Program of Chinese Academy of Sciences[Y75Z01-1-401]
WOS Research AreaScience & Technology - Other Topics ; Engineering ; Environmental Sciences & Ecology
WOS SubjectGreen & Sustainable Science & Technology ; Engineering, Environmental ; Environmental Sciences
WOS IDWOS:000520953200070
WOS KeywordWASTE ACTIVATED-SLUDGE ; BIOGAS PRODUCTION ; CELL DISRUPTION ; FREE AMMONIA ; THERMAL PRETREATMENT ; MICROALGAL BIOMASS ; SEWAGE-SLUDGE ; EXTRACTION ; WATER ; DEWATERABILITY
PublisherELSEVIER SCI LTD
Funding OrganizationChina Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Water Pollution Control and Treatment, National Science and Technology Major Project ; Water Pollution Control and Treatment, National Science and Technology Major Project ; Water Pollution Control and Treatment, National Science and Technology Major Project ; Water Pollution Control and Treatment, National Science and Technology Major Project ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Water Pollution Control and Treatment, National Science and Technology Major Project ; Water Pollution Control and Treatment, National Science and Technology Major Project ; Water Pollution Control and Treatment, National Science and Technology Major Project ; Water Pollution Control and Treatment, National Science and Technology Major Project ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Water Pollution Control and Treatment, National Science and Technology Major Project ; Water Pollution Control and Treatment, National Science and Technology Major Project ; Water Pollution Control and Treatment, National Science and Technology Major Project ; Water Pollution Control and Treatment, National Science and Technology Major Project ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; Water Pollution Control and Treatment, National Science and Technology Major Project ; Water Pollution Control and Treatment, National Science and Technology Major Project ; Water Pollution Control and Treatment, National Science and Technology Major Project ; Water Pollution Control and Treatment, National Science and Technology Major Project ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences ; 100 Talents Program of Chinese Academy of Sciences
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/35904
Collection水环境工程研究中心_期刊论文
Corresponding AuthorSong, Kang
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China
3.Univ Tokyo, Dept Urban Engn, Tokyo 1138656, Japan
Recommended Citation
GB/T 7714
Li, Lu,Li, Zhouyang,Song, Kang,et al. Improving methane production from algal sludge based anaerobic digestion by co-pretreatment with ultrasound and zero-valent iron[J]. JOURNAL OF CLEANER PRODUCTION,2020,255:9.
APA Li, Lu,Li, Zhouyang,Song, Kang,Gu, Yilu,&Gao, Xiaofeng.(2020).Improving methane production from algal sludge based anaerobic digestion by co-pretreatment with ultrasound and zero-valent iron.JOURNAL OF CLEANER PRODUCTION,255,9.
MLA Li, Lu,et al."Improving methane production from algal sludge based anaerobic digestion by co-pretreatment with ultrasound and zero-valent iron".JOURNAL OF CLEANER PRODUCTION 255(2020):9.
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