不同生物促生剂添加量对垂直流人工湿地水质净化效果的影响

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英文篇名：THE IMPACT OF DIFFERENT AMOUNT BIOSTIMULANTS SUPPLEMENT ON THE PERFORMANCE OF WATER PURIFICATION IN VERTICAL FLOW CONSTRUCTED WETLAND 作者：童伟军 ; 郑文萍 ; 马琳 ; 张义 ; 贺锋 ; 吴振斌 英文作者：TONG Wei-Jun;ZHENG Wen-Ping;MA Lin;ZHANG Yi;HE Feng;WU Zhen-Bin;College of Resources and Environmental Engineering,Wuhan University of Technology;State Key Laboratory of Freshwater Ecology and Biotechnology,Institute of Hydrobiology,Chinese Academy of Sciences;University of Chinese Academy of Sciences; 关键词：生物促生剂 ; 水质净化 ; 基质酶活 ; 垂直流人工湿地 英文关键词：Biostimulants;;Water purification;;Substrate enzymatic activity;;Vertical flow constructed wetland 中文刊名：SSWX 英文刊名：Acta Hydrobiologica Sinica 机构：武汉理工大学资源与环境工程学院;中国科学院水生生物研究所淡水生态与生物技术国家重点实验室;中国科学院大学; 出版日期：2019-03-07 10:50 出版单位：水生生物学报 年：2019 期：v.43 基金：国家自然科学基金(51178452、51709254和51709255)资助~~ 语种：中文; 页：SSWX201902025 页数：8 CN：02 ISSN：42-1230/Q 分类号：203-210

摘要

以垂直流人工湿地为研究对象,探讨不同生物促生剂添加量对系统中N、P以及COD去除效果的影响,并通过测定人工湿地系统中基质磷酸酶和脲酶活性来进行机理分析。结果表明,添加生物促生剂可显著提高系统的脱氮效率,TN和N H4+-N去除效率均达到80%以上,较对照系统分别提高了71.5%和31.7%,对TP和COD的去除效率最高可达到36.0%和91.6%,较对照系统分别提高了9.1%和5.9%。同时可提高系统中基质磷酸酶和脲酶活性,对系统中基质脲酶活性更具有显著性的影响,基质磷酸酶、脲酶活性和COD去除率间存在显著正相关。研究中所采用的生物促生剂在本系统中最适宜添加量为5μL/L,即每升进水中添加5μL生物促生剂。
        We studied the effects of different amount biostimulants supplement on the removal efficiency of nitrogen,phosphorus and COD in vertical flow constructed wetland.The mechanism was analyzed by determining the activities of substrate phosphatase and urease in the constructed wetland systems.The results showed that biostimulanta suppklement could improve nitrogen removal efficiency in the systems,and the removal rates of N H4+-N and TN reached up to 80%,increasing by 71.5% and 31.7% respectively when compared with the control group.The maximum removal rates of TP and COD reached up to 36.0% and 91.6%,increasing by 9.1% and 5.9%,respectively.Meanwhile,the biostimulants could improve the enzymatic activities of substrate phosphatase and urease in the system,and the biostimulants had a significant influence on substrate urease activity.Significant positive relationships were found between COD removal rate and the activities of substrate phosphatase and urease.The most suitable amount of biostimulant supplement used in this system is 5 μL/L,which means 5 μL biostimulants was supplied to 1 L influent.

引文

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