潮汐流人工湿地不同滤料对污染物去除效率的影响研究

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文章编号：1674-6139（2026）02-0065-06

中图分类号：X703.1文献标志码：B

InfluenceofDifferentFilterMediaon PollutantRemoval Efficiency in Tidal Flow Constructed Wetlands

LiJianhua，LiChao，Hu Peiyuan

（1.EnergyandEnvironmentalProtectionEngineringDesign Institute，CNNCNo.7Research&DesignInstituteCo.，Ltd.， Taiyuan 030032，China； 2.College of Environment and Ecology，Taiyuan University of Technology，Taiyuan O3o6Oo，China）

Abstract：Thisstudyaimstoexploretheinfluenceofdiffrentfiltermediaonpolutantremovaleficiencyintidalflowconstructed wetlands，providingteoreticalbasisforimprovingsewagetreamentefciencyAsystempilottestaonductediChangtaiDic， Zhangzhou，FujianProvince，with fourhydraulic loads of1.O，1.5，2.O，and 2.5m3/m2⋅d ，and porous biological filter media，volcanic rock，and gravel were selected to compare the removal efficiency of pollutants such as CODcr ， NH3-N ，TN，and TPin sewagewith particle sizes of 5～10 mm and 20～40 mm.The results showed that under the same hydraulic load，the comprehensive removal efficiency was ranked as porous biological filter material > volcanic rock > gravel，and the removal rate of small-sized porous biological filter materialwashigherunderthetestconditions.Thissudyevealstheinfluenceoferenttypesandpropertiesoffiemediaonpolutante movaleffcicyprovidingeferencedatafotsioftdalfowcostructedetlandsndavngiporantilicatiosfo ing applications.

Key words：tidal flow constructed wetland；pollutant removal；hydraulic load； filter material typ

前言

人工湿地是一种高效、低能耗、低投入、易操作、二次污染小和环境友好的污水处理工艺[1]。（剩余6353字）