文档介绍：2010年9月第26卷第5期沈阳建筑大学学报(自然科学版JournalofShenyangJianzhuUniversity(,:2010-03-10基金项目:住房和城乡建设部基金项目(2008-k7-15作者简介:潘俊(1962,男,教授,博士,:1671-2021(201005-0976-05浑河沈阳城区段下游底泥污染物释放试验潘俊1,左悦1,李慧1,周立冬2(1沈阳建筑大学市政与环境工程学院,辽宁沈阳110168;2沈阳市法库县司法局,辽宁沈阳110400摘要:目的研究温度及pH值对底泥污染物释放的影响,,分析静止状态、不同温度、不同pH值下底泥污染物(CODCr和NH+4-,铁路大桥断面底泥CODCr和NH+4-N释放量最大,公相屯断面最小;30时比4时各断面底泥CODCr和NH+4-N释放量大、释放速率快;pH值为10比pH值为4更易于底泥污染物CODCr和NH+4-,污染程度越高则释放能力越强;水温高促进底泥中CODCr和NH+4-N的释放,水温低抑制底泥中CODCr和NH+4-N的释放;酸性条件与碱性条件比较,碱性条件能促进底泥中CODCr和NH+4-:浑河沈阳城区段下游;底泥污染物释放;CODCr;NH+4-N中图分类号:X522文献标志码:AExperimentalStudyonContaminatedSedimentReleasinginDownstreamoftheHunheRiverofShenyangPANJun1,ZUOYue1,LIHui1,ZHOULidong2(,ShenyangJianzhuUniversity,ShenyangChina,110168;-tyBureauofJustice,ShenyangChina,110400Abstract:ThepurposeofthisstudyistoresearchtheinfluenceofdifferenttemperaturesandpHvaluesoncontaminatedsedimentreleasing,,regulationsofcontaminatedsedimentreleasingwereanalyzedunderstationarystate,,thereleasevaluesofCODCrandNH+4-NwerethegreastestinRailwayBridgesection,andwhichweretheleastinGongxiangTuensec-+4-Nin30weregreaterthanin4,andthereleaseratesofCODCrandNH+4-+4-NinsedimentinpH=10wereeasiertoreleasethaninpH=-latedtothepollutionlevelofcontaminatedsedimen,tthehigherlevelofpollutionis,+4-paringdifferentconditionsofacidicandalkaline,thereleaseofCODCrandNH+4-: