| 氨吹脱处理稀土分离厂中氨氮废水试验研究 |
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| 引用本文： | 黄海明,肖贤明,晏波.氨吹脱处理稀土分离厂中氨氮废水试验研究[J].环境工程学报,2008,2(8):1062-1065. |
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| 作者姓名： | 黄海明 肖贤明 晏波 |
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| 作者单位： | 1. 中国科学院广州地球化学研究所有机地球化学国家重点实验室,广州,510640;中国科学院研究生院,北京,100049
2. 中国科学院广州地球化学研究所有机地球化学国家重点实验室,广州,510640 |
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| 摘 要： | 稀土分离厂排放大量含氩氮废水,为了使该类废水能得到有效的处理,对稀土废水中中等浓度的氨氮废水进行了氨吹脱试验研究.发现pH、温度和气液比是氨氮去除效率高低的关键因素,废水初始浓度对去除率无影响.调节废水pH＝12,气液比在3 000～4 000,温度在35-45℃范围,浓度为1 570 mg/L的碳铵沉淀洗涤废水经氨吹脱处理可使出水残余氨氮浓度控制在100 mg/L以下,去除率达94%以上.
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| 关 键 词： | 氨吹脱 氨氮 去除率 气液比 |
Experimental research on treatment of ammonia nitrogen wastewater by ammonia stripping in a rare earths separation factory |
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| Huang Haiming,Xiao Xianming and Yan Bo.Experimental research on treatment of ammonia nitrogen wastewater by ammonia stripping in a rare earths separation factory[J].Techniques and Equipment for Environmental Pollution Control,2008,2(8):1062-1065. |
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| Authors: | Huang Haiming Xiao Xianming and Yan Bo |
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| Institution: | 1. State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640; 2. Graduate University of Chinese Academy of Sciences, Beijing 100049,1. State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640 and 1. State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640 |
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