[1]李英华,李海波,孙铁珩,等.地下渗滤系统酶活性分布及对脱氮效果的影响[J].深圳大学学报理工版,2012,29(No.5(377-470)):461-465.[doi:10.3724/SP.J.1249.2012.05461]
　LI Ying-hua,LI Hai-bo,and SUN Tie-heng.Spatial distribution of soil enzyme activities and influence on nitrogen removal in subsurface wastewater infiltration system[J].Journal of Shenzhen University Science and Engineering,2012,29(No.5(377-470)):461-465.[doi:10.3724/SP.J.1249.2012.05461]
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地下渗滤系统酶活性分布及对脱氮效果的影响()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第29卷
期数:
2012年No.5(377-470)
页码:
461-465
栏目:
环境与能源
出版日期:
2012-09-21

文章信息/Info

Title:
Spatial distribution of soil enzyme activities and influence on nitrogen removal in subsurface wastewater infiltration system
作者:
李英华1;  李海波1;  孙铁珩1;  2
1) 沈阳大学区域污染环境生态修复教育部重点实验室, 沈阳110044
2) 中国科学院沈阳应用生态研究所, 沈阳 110016
Author(s):
LI Ying-hua1;  LI Hai-bo1;  and SUN Tie-heng1; 2
1）Key Laboratory of Regional Environment and Eco-remediation, Ministry of Education, Shenyang University, Shenyang 110044, P. R. China
2) Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, P. R. China
关键词:
环境工程; 地下渗滤;  酶活性;  空间分布;  脱氮;  污水处理
Keywords:
environmental engineering; subsurface wastewater infiltration system;  enzyme activity;  spatial distribution;  denitrification;  wastewater treatment
分类号:
X 703.1
DOI:
10.3724/SP.J.1249.2012.05461
文献标志码:
A
摘要:
利用污水地下渗滤中试系统, 考察脲酶、硝酸还原酶和亚硝酸还原酶活性的空间分布规律, 分析酶活性对脱氮效果的影响. 结果表明，在靠近散水管位置, 脲酶活性强, 且随进水氨氮含量及温度的升高而增强; 硝酸还原酶活性分布主要受基质深度的影响, 随着基质深度的增大而增强; 亚硝酸还原酶活性随温度的升高而增强. 不同深度的脲酶活性与总氮去除率之间均呈显著正相关; 硝酸还原酶活性与氨氮和总氮去除率之间的相关性不显著; 60~80 cm 区域内, 亚硝酸还原酶活性与总氮去除率之间存在显著正相关. 通过分析酶活性与氮去除效果的相关性, 提出可将脲酶和亚硝酸还原酶作为指示地下渗滤系统总氮脱除效果的酶学指标.
Abstract:
A set of pilot-scale subsurface wastewater infiltration system was constituted. The distribution of urease, nitrate-reductase (NAR) and nitrite-reductase (NIR) was studied. Furthermore, the influence of enzyme activities on nitrogen removal was investigated accordingly. It was discovered that the distribution of urease was affected by depth, ammonia nitrogen (NH4+-N) concentration of input and temperature. In the position near the wastewater distribution area, the urease activity was the strongest, and it was in positive correlation with NH4+-N concentration and temperature. The distribution of the NAR activity was affected more by depth than by either temperature changes or inflow characteristics, and it was in positive correlation with depth. Depth and temperature had profound influence on the distribution of NIR activity, which was in positive correlation with temperature. The Urease activity was in significant correlation with total nitrogen (TN) removal. No significant correlation was found between NAR activity and nitrogen removal. From 60 cm to 80 cm, the NIR activity was in significant correlation with TN removal. The results indicate that it is feasible to investigate urease and NIR activities as an enzyme index in determining TN removal effects on subsurface wastewater infiltration system (SWIS).

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备注/Memo

备注/Memo:
Received：2010-12-27；Revised：2012-03-20；Accepted：2012-05-30
Foundation：National Natural Science Foundation of China ( 51108275, 50908151)
Corresponding author：Professor LI Hai-bo. E-mail: iamlhb@126.com
Citation：LI Ying-hua, LI Hai-bo, SUN Tie-heng. Spatial distribution of soil enzyme activities and influence on nitrogen removal in subsurface wastewater infiltration system ［J］. Journal of Shenzhen University Science and Engineering, 2012, 29(5): 461-465.（in Chinese）
基金项目：国家自然科学基金资助项目(51108275, 50908151)
作者简介：李英华 (1979-), 女 (汉族), 辽宁省沈阳市人，沈阳大学副教授、博士. E-mail: liyinghua1028@126.com
引文：李英华, 李海波, 孙铁珩. 地下渗滤系统酶活性分布及对脱氮效果的影响［J］. 深圳大学学报理工版，2012，29（5）：461-465.
更新日期/Last Update: 2012-09-26