城市垃圾填埋场渗滤液处理工艺及其研究进展_柯水洲

　城市垃圾填埋场渗滤液处理工艺及其研究进展柯水洲　欧阳衡(湖南大学土木工程学院,长沙　410082)　　摘要　垃圾渗滤液污染物浓度高,水质水量变化大,是国内外污水处理的难题。综述了垃圾渗滤液的生物、物理化学、土地和循环回灌处理法,分析了各种处理方法的特点,讨论了国内外渗滤液处理研究的进展,列举了我国几大垃圾填埋场渗滤液处理工艺。认为生物法与物理化学法结合将是未来渗滤液处理研究的主要方向。经济高效的脱氨氮方法能大大提高后续生物处理效率。关键词　城市垃圾　卫生填埋　渗滤液　处理TechnologyandadvancesinleachatetreatmentofmunicipalrefuselandfillyardKeShui-zhou,OuyangHeng(CollegeofCivilEngineering,HunanUniversity,Changsha410082,China)Abstract:Landfillleachatecontainedhighconcentrationofpollutantsandgreatvariationisoftenobservedineithercompositionorflowrate.Soitisadifficultproblemworldwideinfieldofwastewatertreatment.Treatmentprocessesoflandfillleachate,includingbiologicalmethod,physico-chemicalmethodandlandandrechargedisposalaresummarizedindetail.Characteristicsofthesemethodsareanalyzed,andmanyresearchresultsgotbydomesticandforeignscholarsandspecialistsarediscussed.Finallysometreatmentprocessescommonusedinthiscountryareintroducedandsomeadvicesarerecommendedthatthedirectionwayofleachatetreatmentwillcombinedthebiologicalandphysic