[1]彭明国,涂保华,陈毅忠,等.钠化沸石处理稀土冶炼氯铵废水中的氨氮[J].常州大学学报(自然科学版),2009,(02):19-22.
　PENG Ming -g uo,TU Bao -hua,CHEN Yi -zhong,et al.Study of the Ammonia -Nitrogen Removal from Ammonium Chloride Wastewater from Rare Earth Smeltery by Na -Pretreated Zeolite[J].Journal of Changzhou University(Natural Science Edition),2009,(02):19-22.
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钠化沸石处理稀土冶炼氯铵废水中的氨氮()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
期数:
2009年02期
页码:
19-22
栏目:
出版日期:
2009-06-25

文章信息/Info

Title:
Study of the Ammonia -Nitrogen Removal from Ammonium Chloride Wastewater from Rare Earth Smeltery by Na -Pretreated Zeolite
作者:
彭明国;  涂保华;  陈毅忠;  薛春阳;  王利平
江苏工业学院环境与安全工程学院, 江苏 常州 213164
Author(s):
PENG Ming -g uo ;  TU Bao -hua ;  CHEN Yi -zhong ;  XUE Chun -yang ;  WANG Li -ping
School of Environmental and Safety Engineering , Jiangsu Polytechnic University , Changzhou 213164 , China
关键词:
沸石吸附; 氨氮; 沸石再生
Keywords:
zeolite adsorption ; ammonia -ni trog en ; zeolite reg eneratio n
分类号:
X 703
文献标志码:
A
摘要:
研究了沸石处理稀土冶炼氯铵废水中氨氮的各种影响因素和再生条件。实验结果表明:进水氨氮质量浓度为250 m g/ L ,沸石投加量125 g , 粒径小于5 mm , pH 7 -8 , 吸附时间1 h 的条件下, 氨氮去除率达到90 %以上。选择质量比为3 ∶7 的NaCl与NaOH 混合液作为沸石的再生剂, 再生效果好, 可进行多次重复使用, 有效寿命可达30 h 。
Abstract:
The various influence factors and regeneration conditions of removing ammonia -nit rogen f rom rare earth ref ining w astew ater w ere studied by using Na -pret reated zeolite .The result showed that w hen the ammo nia concent ration in the w astew ater was 250 mg/L , zeolite dosage 125 g/ L , zeolite size less than 5 mm , maintaining pH w as from 7 to 8 , af te r adsorption time 1 h , the removal rate of ammonia w as up to 90 %.The best regenerated cataly st was a combinat ion of NaC l and NaO H wi th 3 ∶7 , w hich can be reused for many times , and its effective life reached about 30 h .

参考文献/References:

[1] 王利平, 庞宏, 毛雄飞, 等.稀土冶炼中废水的产生与治理 [J] .冶金能源, 2004 , 23 (2):59 -62 .
[2] 张铨昌.天然沸石离子交换性能及其应用[M] .北京:科学 出版社, 1986 .
[3] 常卫民, 王荟, 王瑛.沸石对水中氨氮的吸附性能初探[J] . 能源环境保护, 2008 , 22 (1):39 -40 .
[4] 李忠, 符瞰, 夏启斌.改性天然沸石的制备及对氨氮的吸附 [J] .华南理工大学学报(自然科学版), 2007 , 35 (4):6 - 10 .

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备注/Memo

备注/Memo:
作者简介:彭明国(1976 -), 男, 江苏盐城人, 讲师, 硕士, 主要从事水处理方面的教学与研究工作。
更新日期/Last Update: 2009-06-25