水葫芦覆盖度对富营养水体氮磷去除效果及其归趋的研究

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• 英文论文题名：Effect of different water hyacinth coverage on the removal and fate of nitrogen and phosphorus in eutrophic water bodies
• 论文作者：周新伟 ; 沈明星 ; 金梅娟 ; 王海候 ; 施林林 ; 陆长婴 ; 吴彤东 ; 陈凤生
• 英文论文作者：ZHOU Xin-Wei ; SHEN Ming-xing ; JIN Mei-juan ; WANG Hai-Hou ; SHI Lin-Lin ; LU Chang-Ying ; WU Tong-Dong ; CHEN Feng-Sheng ; Taihu Research Institute of Agricultural Sciences/Suzhou City Academy of Agricultural Sciences ; Key Scientific Observation &Experiment Station Paddy Field Eco-environment ; Suzhou ; Ministry of Agriculture
• 年：2016
• 作者机构：苏州市农业科学院/江苏太湖地区农业科学研究所;农业部苏州水稻土生态环境重点野外科学观测试验站;
• 论文关键词：水葫芦 ; 覆盖度 ; 氮 ; 磷 ; 净化效果
• 英文论文关键词：Water hyacinth ; coverage ; nitrogen ; phosphorus ; water purification effect
• 会议召开时间：2016-12-14
• 会议录名称：2016全国水环境污染控制与生态修复技术高级研讨会论文集
• 语种：中文
• 分类号：X52;X173
• 学会代码：HJKP
• 会议名称：2016全国水环境污染控制与生态修复技术高级研讨会
• 会议地点：中国云南腾冲
• 主办单位：中国环境科学学会、中国环境科学研究院
• 学会名称：中国环境科学学会
• 页数：8
• 文件大小：1234k
• 原文格式：D
• 会议级别：全国

摘要

研究了不同水葫芦[Eichhornia crassipes(Martius)Solms Laubaech]覆盖度对富营养水体氮磷去除效果及氮磷物质在净化系统内的流向。在野外采用水流及水面均为静止的净化塘,研究了不同水葫芦覆盖度对水体TN、TP、NH_4~+-N、NO_3~--N浓度变化、净化效果及氮磷物质在净化系统中的流向。结果表明:随着覆盖度的增加,TN的净化效果逐渐提高,对TP的净化效果,0~8h内覆盖度100%>75%>50%>25%>无水葫芦种植(CK),在8~40 h内时75%最高,48h后各处理差别不大。相对而言,TP的去除速度比TN更快。覆盖度25%、50%、75%、100%处理120 h的TN去除率分别达85.32%、92.35%、95.75%、93.30%,处理32 h的TP去除率分别达92.00%、94.07%、95.56%、94.22%,以后去除率上升趋于缓慢。水葫芦植株对水体氮磷的直接吸收作用与覆盖度成正比,覆盖度100%的水葫芦吸收系统总氮、磷的比例占系统总损失氮、磷量的53.26%、56.35%,水葫芦覆盖可促进底泥氮、磷的释放,这对降低内源污染有积极作用。综合考虑水体氮、磷质量浓度下降速度及去除效率,在水葫芦生长旺盛期的同一时刻,以100%覆盖度最好。
This paper is about how different water hyacinth [Eichhornia crassipes(Martius)Solms Laubaech] coverage affected N and P removal in eutrophic water bodies and the flows of N and P inside the purification systems. The experiment was conducted in outdoor purification ponds with still water. The concentration change of TN, TP, NH_4~+-N, NO_3~--N in the water bodies, the purification effect, and the N and P flows in systems with different water hyacinth coverage were observed and measured. The results showed that the removal effect of TN was improved with increased water hyacinth coverage. The TP removal effect declined as the water hyacinth coverage decreased from 100%, 75%, 50%,25%, to 0%(CK) during initial 8 hours. The treatment of 75% coverage was the most effective in removing TP from the 8th to the 40 th hour. There was little difference(P<0.05) among all the treatments after 48 hours. The removal rate of TP was relatively higher than that of TN. The removal ratioes of TN in treatment of 25%, 50%, 75%, and 100% coverage after 120 hours were 85.32%,92.35%, 95.75%, and 93.30%, respectively. The corresponding removal ratio of TP in these treatments after 32 hours were 92.00%, 94.07%, 95.56%, and 94.22%. After the first 32 hours, the increase of removal rate slowed down. The direct absorption of N and P by water hyacinth plants was positively correlated with water hyacinth coverage. The amount of N and P removed by water hyacinth of a 100% coverage took up 53.26% and 56.35% of the total N and P lost from the system. Water hyacinth could stimulate the release of N and P from bottom sediments, which favored the control of inner-sourced pollution. Considering both N and P concentration decrease rate and N and P removal efficiency in the water bodies, 100% coverage will the best, especially during the fast-growing period of water hyacinth.

引文

[1]张文明,王晓燕.水葫芦在水生态修复中的研究进展[J].江苏环境科技,2007,20(1):55-28.
    [2]张志勇,刘海琴,严少华,等.水葫芦去除不同富营养化水体中氮、磷能力的比较[J].江苏农业学报,2009,25(5):1039-1046.
    [3]陈彬,曹伟华.水葫芦对中高浓度畜禽废水的净化效果研究[J].江西农业学报,2007,19(2):95-97.
    [4]王锦旗,郑有飞,宋玉芝,等.不同覆盖度凤眼莲对二种水流模式下水体净化效果的研究[J].生态环境学报,2012,21(1):124-129.
    [5]邹乐,严少华,王岩,等.水葫芦净化富营养化水体效果及对底泥养分释放的影响[J].江苏农业学报,2012,28(6):1318-1324.
    [6]张志勇,郑建初,刘海琴,等.不同水力负荷下凤眼莲对富营养化水体氮磷去除的表观贡献[J].江苏农业学报,2011,27(2):288-294.
    [7]国家环保总局.《水与废水监测分析方法》编委会.水和废水监测分析方法[M].第三版.北京:中国环境科学出版社,1997:465-468.
    [8]朱普平,王子臣,盛婧,等.不同覆盖度水葫芦对水体环境的影响[J].江苏农业科学,2011,39(2):471—472.
    [9]国家环保总局.GB3838-2002,国家地表水环境质量标准[S].北京:中国环境出版社,2002.
    [10]国家环保总局.GB11607-89,渔业水质标准(GB11607-89)[S].北京:中国环境出版社,1989.
    [11]进军,郑翀,郑少奎.表面流人工湿地中水生植被的净化效应与组合系统净化效果[J].环境科学学报,2008,28(10):2029-2035.
    [12]贺涛,雒文生.水体大气复氧理论和复氧系数研究现状与进展[J].水电能源科学,2003,01:25-28.
    [13]陈鸣钊,丁训静.水体势能的大气复氧法-势能增氧生态床法[J].水科学研究进展,2008,19(5):742-745.
    [14]SCHNLZ M,KOZERSKI H P,PLUNTKE L,et a1.The influence of macrophytes on sedimentation and nutrient retention in the lower River Spree(Germany).Water Research,2003,37(3):569-578.
    [15]张路,范成新,王建军,等.太湖水土界面氮磷交换通量的时空差异[J]..环境科学2006,27(8):1537-1543.
    [16]黄亚,傅以钢,赵建夫,等.富营养水体水生植物修复机理的研究进展[J].农业环境科学学报,2005,24(增刊):379-383.
    [17]陈彬,曹伟华军,等.水葫芦对中高浓度畜禽废水的净化效果研究[J].江西农业学报,2007,19(2):95-97.
    [18]周小平,王建国,薛利红等.浮床植物系统对富营养化水体中氮、磷净化特征的初步研究[J].应用生态学报,2005,11:195-199.
    [19]罗固源,郑剑,许晓毅,等.4种浮床栽培植物生长特性及吸收氮磷能力的比较[J].环境科学学报,2009,29(2):285-290.
    [20]王宝贞,王琳.水污染治理新技术-新工艺、新概念、新理论[M].北京:科学出版社,2004.
    [21]MARCUS SCHULZ,KARINA RINKE,JAN K HLER.A combined approach of photogrammetrical methods and field studies to determine nutrient rentention by submersed macrophytes in running waters[J].Aquatic Botany,2003,76:17-29.
    [22]崔理华,朱夕珍,骆世明,等.垂直流人工湿地系统对污水磷的净化效果[J].环境污染治理技术与设备,2002,3(7):13-17.
    [23]常志州,郑建初.水葫芦放养的生态风险及控制对策[J].江苏农业科学,2008,03:251-253.
    [24]郑建初,常志州,陈留根,等.水葫芦治理太湖流域水体氮磷污染的可行性研究[J].江苏农业科学,2008,03:247-250.