[1]徐金兰,董玉华,黄廷林,等.沸石和陶粒挂膜前后脱除氨氮的特性研究[J].西安建筑科技大学学报:自然科学版,2012,44(01):132-136.[doi:10.15986/j.1006-7930.2012.01.022]
　XU Jin-lan,DONG Yu-hua,HUANG Ting-lin,et al.Study on the characteristics of ammonia nitrogen removal by zeolite and ceramicite[J].J.Xi’an Univ. of Arch. & Tech.:Natural Science Edition,2012,44(01):132-136.[doi:10.15986/j.1006-7930.2012.01.022]
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沸石和陶粒挂膜前后脱除氨氮的特性研究()
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西安建筑科技大学学报:自然科学版[ISSN:1006-7930/CN:61-1295/TU]

卷:
44
期数:
2012年01期
页码:
132-136
栏目:
出版日期:
2012-02-29

文章信息/Info

Title:
Study on the characteristics of ammonia nitrogen removal by zeolite and ceramicite
文章编号:
1006-7930(2012)01-0132-05
作者:
徐金兰1; 2; 董玉华1; 黄廷林1; 2; 康俊琛1; 蔡道健1
(1.西安建筑科技大学环境与市政工程学院,陕西 西安 710055; 2. 西部建筑科技国家重点实验室 筹 ,陕西 西安 710055)
Author(s):
XU Jin-lan1; 2;  DONG Yu-hua1;  HUANG Ting-lin1; 2;  KANG Jun-chen1;  CAI Dao-jian1
(1.School of Environmental and Municipal Engineering, Xian Univ. of Arch.& Tech., Xian 710055, China; 2.State Key Laboratory of Architecture Science and Technology in West China, Xian 710055,China)
关键词:
沸石; 陶粒; 氨氮; 生物再生
Keywords:
zeolite;  ceramicite;  ammonia nitrogen;  biological regeneration
分类号:
X703
DOI:
10.15986/j.1006-7930.2012.01.022
文献标志码:
A
摘要:
研究了沸石和陶粒挂膜前后脱除氨氮的特性,结果表明,沸石挂膜前后对氨氮的去除率均高于陶粒,沸石可以将水中77%~100%的氨氮脱除,而陶粒仅能去除56%~63%的氨氮,沸石是脱除氨氮的优选填料.解析实验结果表明,沸石挂膜前后脱除氨氮主要机理不同,离子交换是沸石挂膜前脱除氨氮的主要机理,化学吸附去除氨氮所占的比例高达80%;沸石挂膜后,降解氨氮的百分数高达到80%,附着的生物膜可以利用沸石中吸附的氨氮,使沸石的离子交换能力得到再生,沸石的再生率随着投加量的增加而增大,最高可达46%,延长了沸石的使用寿命
Abstract:
The characteristics of ammonia nitrogen removal by zeolite and ceramicite was investigated. The results show that the removal efficiencies of ammonia nitrogen by zeolite is 77%~100% higher than those by ceramicite(the corresponding values by ceramicite are 56%~63%).These results indicate that zeolite is optimum filling. In addition, the results show that there are different mechanisms of ammonium removal between zeolite and bio- zeolite. Chemical ion exchange is the main way of removing ammonium by zeolite as the removal percentage of chemical ion exchange is 80%. However, after zeolite was inoculated, the biological removal percentage increased to 80%. So, the biological removal nitrogen is the main way of removing ammonium by bio-zeolite. Inocaltation of zeolite benefits regeneration of zeolite and the maximal regeneration efficiency of zeolite can reach of 46%.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2011-05-24 修改稿日期:2011-09-12
基金项目:国家国际科技合作资金资助项目(2010DFA94550,2010KW-24(1));国家“水体污染控制与治理”重大科技专项资金资助(2009ZX07317-007-1-2);国家自然科学基金资助项目(50778147)
作者简介:徐金兰(1973-),女,浙江兰溪人,博士,副教授,主要从事水污染控制理论研究与教学.
更新日期/Last Update: 2015-09-01