Page 191 - 《精细化工》2021年第8期

第 8 期 曾敏静，等: 碱度及外投碳源浓度对好氧颗粒污泥脱氮效果影响 ·1685·

时，硝化反应过程中出水 pH 逐渐降至 6.5 以下，当 Influence of pH and DO on high ammonia nitrogen wastewater
进水碱度大于 9.5 mol/L 时，pH 变化不明显，进水 removal by anaerobic granular sludge[J]. Environmental Science and
Managemen (环境科学与管理), 2012, 37(4): 27-29.
碱度为 9.5 mmol/L 时，氨氮去除率达到最大值 [12] GAO S X, HE Q L, WANG H Y. Research on the aerobic granular
（80.9%），更高的进水碱度并不会取得更大的氨氮 sludge under alkalinity in sequencing batch reactors: Removal efficiency,
metagenomic and key microbes[J]. Bioresource Technology, 2020,
去除率，当进水碱度大于 9.5 mmol/L 后硝化反应 296: 122280.
持续时间几乎不变；（3）外投碳源会导致 pH 升高 [13] WEI J M (韦佳敏), HUANG H M (黄慧敏), CHENG C (程诚), et al.
但有利于 TIN 的去除，当投加碳源质量浓度大于 Effect of sludge retention time and pH on the denitrifying phosphorus
removal process[J]. Environmental Science (环境科学), 2019, 40(4):
280 mg/L 时，出水 TIN 质量浓度维持在 28.4 mg/L 1900-1905.
左右，TIN 去除率不再增大并会造成药剂浪费；（4） [14] FANG Q(方茜), ZHANG C S (张朝升), ZHANG K F (张可方), et al.
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AGS 通过同步硝化反硝化脱氮需要足够的碱度，随
denitrification (SND)[J]. Journal of Guangzhou University (Natural
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