不同有机质含量进泥的污泥干化芦苇床运行效能

111Vol．11No．120171ChineseJournalofEnvironmentalEngineeringJan．2017512780882014004006DC2015020702032015－08－272015－10－191968—。[e-mail]*[e-mail]*116600。。、、。21、54.50%58.20%GB18918-2002GB8712-1987＞10%。、7.10%3.10%2.52%0.98%。、67.28%32.64%CO216.5～65.2g·m2·d－1CH40.43～1.95g·m2·d－1CO2CH4CO215.02g·m2·d－1。X703A1673-9108201701-0509-06DOI10.12030/j．cjee．201508172Efficiencyofsludgedryingreedbedforstabilizationofsewagesludgeswithdif-ferentorganicmattercontentsCUIYuboZHANGWanjunSUNHongjie*ＲANChunqiuCollegeofEnvironmentandＲesourcesDalianNationalitiesUniversityDalian116600ChinaAbstractAsludgedryingreedbedSDＲBisanewsludgetreatmentsystemthatcombinesaconstructedwetlandandasludgedryingbed．ThesewagesludgeisloadedontothesurfaceoftheSDＲBperiodicallywherethewaterreleasedfromthesludgeduringdewateringistreatedasitpercolatesthroughthemedialayerandisdis-chargedthroughadrainagepipeonthebottomandthesolidisretainedonthesurfaceofthemediaanddewa-teredbyevapotranspiration．OnthebasisofinvestigatingthesludgestabilizationeffectbyanSDＲBonsewagesludgeswithdifferentorganicmattercontentsthispapersummarizestheperformanceexperienceconcerningadegreeofmineralizationremovalofnutrientssuchasnitrogenandphosphorusdegradationofmicropollutantsandemissionofgreenhousegasesfromtheSDＲB．Aftertwoyearsofloadingandoneyearofresttheorganicmatterinthesludgestabilizedeffectivelywithstabilizationdegreesofthehigherandlowerorganicmattercon-tentsludgesof54.50%and58.20%respectivelywhichmeettherequirementsofthesludgestabilizationstandardGB18918-2002andurbangarbageforagriculturalapplicationstandard＞10%GB8712-1987inChina．Thedegreesofnitrogenandphosphoruscontentsinthestabilizedsludgewerehighenoughtouseasplantfertilizer．Thenitrogeninthehigherandlowerorganicmattercontentsludgesdecreasedfrom7.10%to3.10%andfrom2.52%to0.98%respectively．Micropollutantssuchaspolycyclicaromatichydrocarbons11PAHswereremovedeffectivelywithremovalratesofPAHsinthehigherandlowerorganicmattercontentsludgesof67.28%and32.64%respectively．Thereedplaysakeyroleduringthedegradationandtransporta-tionofPAHs．EmissionsofgreenhousegasessuchasCO2andCH4fromtheSDＲBareinevitableandthisin-vestigationshowedthattheSDＲBemittedfrom16.5to65.2g·m2·d－1andfrom0.43to1.95g·m2·d－1orusingCO2equivalentstoexpresstheglobalwarmingpotentialofCH4theSDＲBemitted15.02g·m2·d－1．Keywordsenvironmentalengineeringsludgedryingreedbedsewagesludgesludgedewateringsludgestabili-zation3500t80%、、、80%。、。。。1-2。。3-5。10012%17000t6。2005107-15。11.11.1.1＜50%80m260cm20cm、20cm、10cm、10cm50cm。。CAST40.2%TSS5.3～38.8g·L－122.3g·L－189%～99.5%97%124.4kg·m2·a－1。1.1.2≥50%33.0m20.65m20cm、20cm、5cm、20cm65cm。ⅠⅡⅢⅠⅡ。A2O63.1%TSS4.41～12.4g·L－18.1g·L－199.0%～99.5%99.1%41.3kg·m2·a－1。223。10.6m34d10m30.5h。1.2TSS、《4》。《》。9-10。0151GT901。22.113。122151.5%。GB18918-200240%＞50%。3。。ZWAＲA16351%42%17.6%。23330.17%16.8%。316.8%～30.6%GB8712-198710%。1Table1Organicmattercontentsinstabilizedsludgeandsewagesludge/%/%/%40.2316.858.263.0863.0863.0835.828.730.643.354.551.52.2。322。2.52%0.98%7.1%3.1%～3.3%3.7%。0.5%。STEFANAKIS175.49%1.89%65.5%。。4%17。50%。。STEFANAKIS170.93%0.31%66.6%UGGETTI180.72%0.07%～0.11%。1.42%0.78%45.1%0.78%0.630%～0.633%0.7%。、、。7。。115112Table2Nitrogenandphosphoruscontentinstabilizedsludge/%/%/%/%/%/%2.520.9861.11.420.78045.17.103.7047.90.780.70010.37.103.1056.30.780.63319.27.103.3053.20.780.63019.22.3。LASNP-n98%93%1。4。3。3Table3PolycyclicaromatichydrocarbonsPAHscontentinstabilizedsludgePAHs/mg·kg－1PAHs/mg·kg－1/%PAHs/mg·kg－1PAHs/mg·kg－14.843.2632.64———————5.695.695.693.611.862.0836.6467.2863.44—0.900.90—2.192.19—2.582.58—7.647.31—7.717.00—7.957.81—4.113.90PAHs32.64%。PAHs63.44%26.8。3PAHs3.90～4.11PAHs。PAHs。PAHs。PAHs。PAHs。3PAHs51.5154.3147.1。PAHsPAHs。2.4CO2CH419。CO22～920-21。622。2151CO228.7～100.4g·m2·d－116.5～65.2g·m2·d－1。CH40.26～0.99g·m2·d－10.43～1.95g·m2·d－1。CO2CH4。CO2CH413.1315.02g·m2·d－1。OLSSON19100CH4CO225CH4。Vejlerne1.18g·m2·d－123。CO20.028g·m2·d－1CH425521。。3。。213mg·kg－1。。1NIELSENSWILLOUGHBYN．SludgetreatmentanddryingreedbedsystemsinDenmarkJ．WaterandEnvironmentalJournal2005194296-3052CUIYBWUXHLIUZSetal．EcologicalstabilizationofthickenedwastewatersludgefromCASTprocessJ．WaterScienceandTechnology200858101911-19163CUIYBQIZXGUOZQetal．CharacteristicsofecologicalstabilizedsewagesludgeⅠJ．JournalofＲesidualsSci-ence＆Technology200963113-1174MATAMOＲOSVNGUYENLVAＲIASCAetal．MuskfragrancesDEHPandheavymetalsina20yearsoldsludgetreatmentreedbedsystemJ．WaterＲesearch201246123889-38965．J．2011334151-1566NIELSENS．Sludgetreatmentreedbedfacilities-organicloadandoperationproblemsJ．WaterScienceandTechnology2011635941-9477．J．2012282192-1958CUIYuboSUNHongjieYANGMingleietal．PlantgrowthforsewagesludgeecologicalstabilizationJ．JournalofＲesidu-alsScience＆Technology20129147-539．J．201335513-1810．J．201313390-9211．J．201481305-30912．J．20133431161-116513CUIYuboSUNTiehengZHAOLihuietal．PerformanceofwastewatersludgeecologicalstabilizationJ．JournalofEnvi-31511ronmentalSciences2008204385-38914．J．201111681-8415．J．2011333306-30916ZWAＲAWOBAＲSKA-PEMPKOWIAKH．PolishexperiencewithsewagesludgeutilizationinreedbedsJ．WaterScien