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1)  The Removal Ammonia-nitrogen from Sewage
废水中氨氮的去除
2)  removal of ammonia-nitrogen
氨氮去除
1.
The effects of the different types and dosage of precipitants,pH,temperature and stirring time on the removal of ammonia-nitrogen are investigated.
作者采用化学沉淀法去除该废水中的氨氮,研究了不同沉淀剂、pH、温度和搅拌时间对氨氮去除效果的影响。
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3)  ammonia nitrogen removal
氨氮去除
1.
In view of the low ammonia nitrogen removal efficiency of when using A/O process to treat refinery wastewater, biological nitrification and denitrification theory is utilized to analyze relevant influencing factors.
针对炼油废水A/O工艺氨氮去除率低的问题,运用生物脱氮原理对其影响因素进行了分析。
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4)  ammonia removal
氨氮去除
1.
The kinetic models of organics and ammonia removal in a biological aerated filter(BAF) for domestic wastewater treatment were established.
推导了单级曝气生物滤池处理生活污水的有机物和氨氮去除动力学模型。
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5)  ammonia-nitrogen removal
氨氮去除
1.
To solve the problem of ammonia-nitrogen waste water treatment in chemical industry, the operation conditions of ammonia-nitrogen removal by MAP chemical precipitation method were investigated experimentally.
通过单因素实验和正交试验考察了pH值、反应药剂配比与氨氮去除率的关系。
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6)  mid-low NH~+_4-N concentration wastewater
中低氨氮废水
补充资料：废水
工业生产中所产生的对本生产过程没有用的液体。也叫废液。参看〖三废 〗。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条