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Effects of salinity on salt-tolerant activated sludge settling performance and nitrogen removal
NaCl盐度对耐盐活性污泥沉降性能及脱氮的影响

Keywords: salinity,settle ability,biological nitrogen removal,salt-tolerant activated sludge
盐度
,沉降性能,生物脱氮,耐盐活性污泥

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Abstract:

Aiming at applying project of flushing lavatory by seawater,effects of salinity on salt-tolerant activated sludge settling performance and nitrogen removal were studied to treat saline sewage using sequencing batch reactor(SBR).The results showed that filamentous bulking was observed in the salt-tolerant sludge.After a long-time domestication under 10 g/L salinity,SVI reduced with the increasing salinity,due to decreased quantity of filamentous bacteria.Increased salt also made the flocs diminish and dense....

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