我国农村生活污水分散式处理技术_英文_赵军
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2020-02-29 11:23:34
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DecentralizedTreatmentTechniqueinRuralDomes-ticSewageinChinaZHAOJun1,2*1.HarbinInstituteofTechnology,Harbin150001,China;2.NorthernEnvironmentalProtectionCorp.,Ltd.ofLiaoningProvince,Shenyang110031,ChinaAbstractNowadays,ruraldomesticsewagehashadseriouseffectsonthenaturalenvironmentinruralareassuchasthebodyofwaterandsoil.Inordertoensureruralwatersecurityandgoodhealthconditionoffarmers,itisurgenttotreattheruralsewage.Thetheoreticalprinciple,charac-teristics,deficienciesandapplicationstatusofsomedecentralizeddisposaltechnologiesfordomesticsewageareintroduced,whichincludehighratealgalpondtechnology,subsurfaceinfiltrationtreatmentsystem,earthwormeco-filter,constructedwetlandtreatmenttechnologyandmembranebioreactortechnology,soastoprovidereferencesfortheruralsewagetreatment.KeywordsEnvironmentalpollution;Ruraldomesticsewage;Treatmenttechnology;ChinaReceived:June4,2010Accepted:August19,2010SupportedbyMajorScienceandTechnologyProjectofStateWaterPollutionControlandGovernance(2008ZX07208-005).*Correspondingauthor.E-mail:zjhb@vip.163.comWiththeeconomicdevelopment,anewtrendinenviron-mentalpollutionhasemergedinChina.Thatistosay,theenvi-ronmentalpollutionisspreadingrapidlyfromurbantoruralare-as.TheEleventhFive-YearPlanputsforwardthegreathistori-caltaskofbuildinganewsocialistcountrysideinChinaandtheconstructiongoalsincludingdevelopmentofproduction,afflu-entlife,civilization,cleanlinessofvillagesanddemocraticman-agementarewelldefined.Enhancingthetreatmentofruraldomesticsewageisanintegralpartofcleanandtidyvillagesaswellasanimportantaspectofbuildingthenewsocialistcoun-tryside.Therefore,controllingenvironmentalpollutioninruralareasbrooksnodelay.RuralSewagepollutionisthemainmanifestationofruralenvironmentalpollution.Theenvironmen-talpollutioncausedbysewageinruralareasisboththepoten-tialsafetyriskofruralwatersourcesandflare-upofthecrisisinfreshwaterresources,leadingtoseriouslackofeffectiveprotec-tionoffarmlandirrigationandhazardforthesurvivalanddevel-opmentoffarmers.Asaresult,inordertoav
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