Zheng Xiong, Tong Juan, Li Hongjing, Chen Yinguang
State Key Lab of Pollution Control and Resources Reuse, School of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, PR China.
Bioresour Technol. 2009 May;100(9):2515-20. doi: 10.1016/j.biortech.2008.12.003. Epub 2009 Jan 10.
The effect of addition of organic carbon sources (acetic acid and waste activated sludge alkaline fermentation liquid) on anaerobic-aerobic (low dissolved oxygen, 0.15-0.45 mg/L) biological municipal wastewater treatment was investigated. The results showed that carbon source addition affected not only the transformations of polyhydroxyalkanoates (PHA), glycogen, nitrogen and phosphorus, but the net removal of nitrogen and phosphorus. The removal efficiencies of TN and TP were, respectively, 61% and 61% without organic carbon source addition, 81% and 95% with acetic acid addition, and 83% and 97% with waste activated sludge alkaline fermentation liquid addition. It seems that the alkaline fermentation liquid of waste biosolids generated in biological wastewater treatment plant can be used to replace acetic acid as an additional carbon source to improve the anaerobic-aerobic (low dissolved oxygen) municipal wastewater nutrients removal although its use was observed to cause a slight increase of effluent BOD and COD concentrations.
研究了添加有机碳源（乙酸和废弃活性污泥碱性发酵液）对厌氧-好氧（低溶解氧，0.15 - 0.45 mg/L）处理城市生活污水的影响。结果表明，添加碳源不仅影响聚羟基脂肪酸酯（PHA）、糖原、氮和磷的转化，还影响氮和磷的净去除。不添加有机碳源时，TN和TP的去除效率分别为61%和61%；添加乙酸时，分别为81%和95%；添加废弃活性污泥碱性发酵液时，分别为83%和97%。尽管观察到使用废弃生物固体的碱性发酵液会导致出水BOD和COD浓度略有增加，但生物污水处理厂产生的废弃生物固体的碱性发酵液似乎可以替代乙酸作为额外碳源，以提高厌氧-好氧（低溶解氧）城市污水中营养物质的去除效果。
