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231224s2015 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2014.533
|2 doi
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|a pubmed25n0823.xml
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|a (DE-627)NLM24705514X
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|a (NLM)25768217
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Yuan, Ye
|e verfasserin
|4 aut
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|a Influence of COD/sulfate ratios on the integrated reactor system for simultaneous removal of carbon, sulfur and nitrogen
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|c 2015
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 03.12.2015
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|a Date Revised 07.12.2022
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|a published: Print
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|a Citation Status MEDLINE
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|a An integrated reactor system was developed for the simultaneous removal of carbon, sulfur and nitrogen from sulfate-laden wastewater and for elemental sulfur (S°) reclamation. The system mainly consisted of an expanded granular sludge bed (EGSB) for sulfate reduction and organic carbon removal (SR-CR), an EGSB for denitrifying sulfide removal (DSR), a biological aerated filter for nitrification and a sedimentation tank for sulfur reclamation. This work investigated the influence of chemical oxygen demand (COD)/sulfate ratios on the performance of the system. Influent sulfate and ammonium were fixed to the level of 600 mg SO(4)(2-) L⁻¹ and 120 mg NH(4)(+) L⁻¹, respectively. Lactate was introduced to generate COD/SO(4)(2-) = 0.5:1, 1:1, 1.5:1, 2:1, 3:1, 3.5:1 and 4:1. The experimental results indicated that sulfate could be efficiently reduced in the SR-CR unit when the COD/SO(4)(2-) ratio was between 1:1 and 3:1, and sulfate reduction was inhibited by the growth of methanogenic bacteria when the COD/SO(4)(2-) ratio was between 3.5:1 and 4:1. Meanwhile, the Org-C/S²⁻/NO(3)(-) ratios affected the S(0) reclamation efficiency in the DSR unit. When the influent COD/SO(4)(2-) ratio was between 1:1 and 3:1, appropriate Org-C/S²⁻/NO(3)(-) ratios could be achieved to obtain a maximum S° recovery in the DSR unit. For the microbial community of the SR-CR unit at different COD/SO(4)(2-) ratios, 16S rRNA gene-based high throughput Illumina MiSeq sequencing was used to analyze the diversity and potential function of the dominant species
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a RNA, Ribosomal, 16S
|2 NLM
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|a Sewage
|2 NLM
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|a Sulfates
|2 NLM
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|a Sulfides
|2 NLM
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|a Waste Water
|2 NLM
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|a Sulfur
|2 NLM
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| 650 |
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|a 70FD1KFU70
|2 NLM
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| 650 |
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|a Carbon
|2 NLM
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| 650 |
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|a 7440-44-0
|2 NLM
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| 650 |
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|a Nitrogen
|2 NLM
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| 650 |
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|a N762921K75
|2 NLM
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| 700 |
1 |
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|a Chen, Chuan
|e verfasserin
|4 aut
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1 |
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|a Zhao, Youkang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Aijie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sun, Dezhi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Cong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liang, Bin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tan, Wenbo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Xijun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Xu
|e verfasserin
|4 aut
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| 700 |
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|a Lee, Duu-Jung
|e verfasserin
|4 aut
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| 700 |
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|a Ren, Nanqi
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 71(2015), 5 vom: 09., Seite 709-16
|w (DE-627)NLM098149431
|x 1996-9732
|7 nnns
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| 773 |
1 |
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|g volume:71
|g year:2015
|g number:5
|g day:09
|g pages:709-16
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|u http://dx.doi.org/10.2166/wst.2014.533
|3 Volltext
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|d 71
|j 2015
|e 5
|b 09
|h 709-16
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