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Deep and high-efficiency removal of sulfate through a coupling system with sulfate-reducing and sulfur-oxidizing capacity under haloalkaliphilic condition
Mu, Tingzhen1; Yang, Maohua1; Xing, Jianmin1,2
2020-01-29
Source PublicationBIOPROCESS AND BIOSYSTEMS ENGINEERING
ISSN1615-7591
Pages7
AbstractSulfide from anaerobic treatment of high-sulfate wastewater would always have some adverse effects on downstream processes. In this study, a coupling anaerobic/aerobic system was developed and operated under haloalkaliphilic condition to realize deep and high-efficiency removal of sulfate without production of sulfide. A haloalkaliphilic sulfur-oxidizing strain, Thioalkalivibrio versutus SOB306, was responsible for oxidation of sulfide. The anaerobic part was first operated at optimum condition based on a previous study. Then, its effluent with an average sulfide concentration of 674 +/- 33 mg center dot l(-1) was further directly treated by a set of 1 l biofilter with SOB306 strain under aerobic condition. Finally, 100% removal rate of sulfide was achieved at aeration rate of 0.75 l center dot l(-1)center dot min(-1), ORP of - 392 mV and HRT of 4 h. The average yield of elemental sulfur reached 79.1 +/- 1.3% in the filter, and the CROS achieved a conversion rate of sulfate to sulfur beyond 54%. This study for the first time revealed the characteristics and performance of the haloalkaliphilic CROS in deep treatment of high-sulfate wastewater, which paved the way for the development and application of this method in the real world.
KeywordSulfate-reducing Sulfur-oxidizing Haloalkaliphilic Thioalkalivibrio versutus
DOI10.1007/s00449-020-02298-5
Language英语
WOS KeywordWASTE-WATER ; BACTERIAL COMMUNITIES ; SULFIDE OXIDATION ; HYDROGEN-SULFIDE ; ELECTRON-DONORS ; BIOREACTOR ; PERFORMANCE ; REDUCTION ; KINETICS ; RECOVERY
Funding ProjectNational Natural Science Foundation of China[31800030] ; National Natural Science Foundation of China[31872633] ; National Natural Science Foundation of China[21878307] ; Major Science and Technology Program for Water Pollution Control and Treatment in China[2017ZX07402003]
WOS Research AreaBiotechnology & Applied Microbiology ; Engineering
WOS SubjectBiotechnology & Applied Microbiology ; Engineering, Chemical
Funding OrganizationNational Natural Science Foundation of China ; Major Science and Technology Program for Water Pollution Control and Treatment in China
WOS IDWOS:000515623400001
PublisherSPRINGER
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Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/39556
Collection中国科学院过程工程研究所
Corresponding AuthorMu, Tingzhen
Affiliation1.Chinese Acad Sci, Key Lab Green Proc & Engn, State Key Lab Biochem Engn, Inst Proc Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Coll Chem Engn, 19 A Yuquan Rd, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Mu, Tingzhen,Yang, Maohua,Xing, Jianmin. Deep and high-efficiency removal of sulfate through a coupling system with sulfate-reducing and sulfur-oxidizing capacity under haloalkaliphilic condition[J]. BIOPROCESS AND BIOSYSTEMS ENGINEERING,2020:7.
APA Mu, Tingzhen,Yang, Maohua,&Xing, Jianmin.(2020).Deep and high-efficiency removal of sulfate through a coupling system with sulfate-reducing and sulfur-oxidizing capacity under haloalkaliphilic condition.BIOPROCESS AND BIOSYSTEMS ENGINEERING,7.
MLA Mu, Tingzhen,et al."Deep and high-efficiency removal of sulfate through a coupling system with sulfate-reducing and sulfur-oxidizing capacity under haloalkaliphilic condition".BIOPROCESS AND BIOSYSTEMS ENGINEERING (2020):7.
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