2023
DOI: 10.1016/j.cej.2023.147308
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Effects of salinity on sulfur-dominated autotrophic denitrification microorganisms: Microbial community succession, key microorganisms and response mechanisms

Zhuo-Ran Li,
Xue-Ning Zhang,
Hong-Cheng Wang
et al.
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Cited by 11 publications
(3 citation statements)
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“…However, despite the improvement in Thiobacillus abundance, the efficiency of the NO 3 – -N conversion continued to deteriorate at a salinity level of 15 g/L (Figure a). Previous reports have indicated that Thiobacillus can tolerate salinity levels ranging from 0 to 30 g/L . Nonetheless, high salinity can also suppress the production of biomass or ATP in SADB, , leading to a decrease in bioactivity.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…However, despite the improvement in Thiobacillus abundance, the efficiency of the NO 3 – -N conversion continued to deteriorate at a salinity level of 15 g/L (Figure a). Previous reports have indicated that Thiobacillus can tolerate salinity levels ranging from 0 to 30 g/L . Nonetheless, high salinity can also suppress the production of biomass or ATP in SADB, , leading to a decrease in bioactivity.…”
Section: Resultsmentioning
confidence: 99%
“…Previous reports have indicated that Thiobacillus can tolerate salinity levels ranging from 0 to 30 g/L. 41 Nonetheless, high salinity can also suppress the production of biomass or ATP in SADB, 41,42 leading to a decrease in bioactivity. Therefore, it is speculated that the poor performance of S 0 -PDN may be attributed to the inhibition of high salinity on the bioactivity of SADB.…”
Section: The Influence Of High Salinity On the Microbial Communitymentioning
confidence: 99%
“…In the initial stage of 1-10 days (HRT = 20 h), the microorganisms gradually attached to the surface of the filter media to proliferate and grow, and the TN removal rate was not very high [22]. Accompanied by the continuous progress of the reaction, the TN removal rate also gradually increased and stabilized at about 90%, which was mainly due to good growth of the bacterial flora on the surface of the filter media, carrying out sulfur autotrophic denitrification with the help of the filter media [23]. In the second stage (HRT = 15 h), the TN concentration of the effluent of the denitrification filter media was stabilized at lower than 1 mg/L in the stable operation stage after the successful startup, with few fluctuations between 1 mg/L and 2 mg/L, indicating the excellent denitrification effect of this system.…”
Section: Investigation Of Nitrogen Removal Performance For Simulated ...mentioning
confidence: 99%