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Effects of granular activated carbon and Fe-modified granular activated carbon on anammox process start-up
Lu, Guangsong1; Ma, Yunqian1,3; Zang, Lihua1; Sun, Yan1; Yu, Fei1,2; Xue, Rong1
2021-03-24
Source PublicationRSC ADVANCES
Volume11Issue:18Pages:10625-10634
AbstractIn this study, granular activated carbon (GAC) and Fe-modified granular activated carbon (FeGAC) prepared by ultrasonic impregnation method were added into respective up-flow anaerobic sludge blanket (UASB) reactors to explore their effects on the anammox process start-up. The results showed that the time of anammox system start-up could be reduced from 108 d in R1 (control group) to 94 d in R2 (GAC reactor) and to 83 d in R3 (FeGAC reactor). After 120 days of operation, the nitrogen removal rates (NRR) of all reactors could reach more than 0.8 kg-N m(-3) d(-1). Extracellular polymeric substance (EPS) amount, heme c content and the anammox bacterial functional gene copy numbers gradually increased in all reactors with the passage of culture time, and manifested the superiority in R3 especially. High throughput sequencing revealed that Candidatus Kuenenia was the dominant species in all reactors in the end. It was also demonstrated that FeGAC markedly strengthened the growth and aggregation of anammox bacteria, which is promising for the practical application of the anammox process.
DOI10.1039/d1ra00384d
Language英语
Funding ProjectNatural Science Foundation Projects of Shandong Province in China[ZR2019BD050] ; Foundation of Key Laboratory of Pulp and Paper Science and Technology of Ministry of Education/Shandong Province of China[KF201717]
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
Funding OrganizationNatural Science Foundation Projects of Shandong Province in China ; Foundation of Key Laboratory of Pulp and Paper Science and Technology of Ministry of Education/Shandong Province of China
WOS IDWOS:000629770100023
PublisherROYAL SOC CHEMISTRY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/48012
Collection中国科学院过程工程研究所
Corresponding AuthorXue, Rong
Affiliation1.Qilu Univ Technol, Shandong Acad Sci, Sch Environm Sci & Engn, Jinan 250353, Peoples R China
2.Qilu Univ Technol, Minist Educ, Key Lab Pulp & Paper Sci & Technol, Jinan 250353, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing Key Lab Ion Liquids Clean Proc, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Lu, Guangsong,Ma, Yunqian,Zang, Lihua,et al. Effects of granular activated carbon and Fe-modified granular activated carbon on anammox process start-up[J]. RSC ADVANCES,2021,11(18):10625-10634.
APA Lu, Guangsong,Ma, Yunqian,Zang, Lihua,Sun, Yan,Yu, Fei,&Xue, Rong.(2021).Effects of granular activated carbon and Fe-modified granular activated carbon on anammox process start-up.RSC ADVANCES,11(18),10625-10634.
MLA Lu, Guangsong,et al."Effects of granular activated carbon and Fe-modified granular activated carbon on anammox process start-up".RSC ADVANCES 11.18(2021):10625-10634.
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