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1、不同生态河道基质材料对氮磷的吸附对比研究（方升华） #TRS_AUTOADD_1223867760437{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋体}#TRS_AUTOADD_1223867760437P{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋体}#TRS_AUTOADD_1223867760437TD{M
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5、:"0"}}--**/摘要：生态河道构建是一种有效的河流水体修复技术,选择合适的基质材料构建生态河道,能改善其对污染物质的净化效果。对比研究了砾石、砂子和沸石3种不同生态材料在不同氮磷水平下对氮磷的强化吸附性能,并对其吸附机理进行了初步探讨。试验结果表明,Freundlich等温吸附方程能较好地描述3种材料的吸附性能,对于氮、磷的饱和吸附能力依次为沸石>砾石>砂子。开发利用吸附能力较强的砾石或是利用吸附能力更强的沸石作为生态河道基质材料,是构建生态河道的一种有效措施。
关键词：生态河道生态材料吸附氮磷
中图分类号TV213.5文献
6、标识码A文章编号1673-4637(XX)04-0027-04
Comparisonstudyonadsorptionnitrogenandphosphorusfordifferentsubstratesmaterialsinecologicalriver
FANGSheng-hua
(BeijingBeiyunRiverManagementDivision,101100,China)
AbstractConstructingecologicriverisaneffectivetechniquetorestoreriver
7、waterquality.Suitablesubstratematerialscanimprovethepurifyingpollutedperformance.Inthispaper,theadsorptionnitrogenandphosphorusabilityofgravel,sandandzeoliteindifferentconcentrationwasinvestigatedrespectively,andthemechanismofadsorptionwasdiscussed.TheresultsshowthatFre
8、undlichadsorptionisothermscandelineatetheadsorptioncharacteristicsofthethreesubstrates.Onthemostabilityofadsor
