| 猪场废水厌氧氨氧化脱氮的短程硝化反硝化预处理研究 |
| 摘要点击 3523 全文点击 1769 投稿时间：2008-01-28 修订日期：2008-04-27 |
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| 中文关键词 短程硝化反硝化 厌氧氨氧化 猪场废水 低C/N |
| 英文关键词 nitritation-denitrification ANAMMOX piggery wastewater low C/N |
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| 中文摘要 |
| 在常温(13～20℃)、不调节pH的条件下，采用短程硝化反硝化预处理低C/N（2左右）猪场废水，考察了反硝化与亚硝化过程，并以经过短程硝化反硝化预处理的猪场废水为进水，分析了厌氧氨氧化的脱氮效果.结果表明，采用短程硝化反硝化预处理低C/N猪场废水，可以达到去除部分COD、部分脱氮、控制出水氨氮和亚硝态氮浓度之比在1∶1左右、pH在7.5～8.0左右的目的，为厌氧氨氧化创造了进水条件,全程COD和总氮平均去除率分别为64.3%和49.1%；经过短程硝化反硝化预处理的猪场废水，其厌氧氨氧化脱氮效果稳定，氨氮、亚硝态氮、总氮的平均去除率分别为91.8%、99.3%、84.1%. |
| 英文摘要 |
| Piggery wastewater with low C/N was treated by using nitritation-denitrification process to attain a suitable influent for ANAMMOX at ambient temperature(13-20℃) without pH control. By using this process, part of total nitrogen and COD were removed, the ratio of ammonium and nitrite reached around 1∶1 and the pH was about 7.8, which were favorable for ANAMMOX. The average removal percentage of COD and total nitrogen were 64.3% and 49.1%, respectively. Afterwards, nitrogen removal performance by followed ANAMMOX process was also investigated. Stable performance of ANAMMOX process was achieved and the removal percentage of ammonium, nitrite and total nitrogen were 91.8%, 99.3% and 84.1%, respectively. |
