南四湖水源水基于臭氧氧化的溴酸盐生成及控制研究-市政工程专业毕业论文

《南四湖水源水基于臭氧氧化的溴酸盐生成及控制研究-市政工程专业毕业论文》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、山东建筑大学硕士学位论文影响，其中长时间吸附时，水中Br能与Br03’产生竞争吸附，使GAC对Br03"的吸附量下降，且Br_浓度越高，GAC对Br03的吸附量越低。pH值对GAC吸附Br03"的影响较大，低pH值条件下其吸附效果较高pH值条件下好。再者GAC吸附过程中，DOC能与Br03"产生竞争吸附，减少其对Br03的吸附。关键词：臭氧，南四湖，Br03。，C12-NH3臭氧氧化，活性炭吸附万方数据山东建筑大学硕士学位论文ThebromatecontrolofNansiLakebasedonozonationTUZonghui(MunicipalEngineerin

2、g)DirectedbyLIUJianguangprofessorABSTRACTOzonebiologicalactivatedcarbon(03一BAC)asanefficienttechnologyfordrinkingwatertreatmentiswidelyusedindomesticwaterplant．Butitmayproducecarcinogenicbromateinozoneoxidationprocessduringthewaterinthehighbromideconcentration，whichneedstobesolvedurgentl

3、yatpresent．TheinfluencefactorsofbromateformationindeionizedwaterandNansiLakeinozoneoxidationprocesswereinvestigatedinthestudy．Andthepathwayofbromateformationwereproposedinozoneoxidationprocess．ThecontrolmechanismofbromateformationduringozonationofNansiLakeWaterwereinvestigatedonthebasiso

4、fC12-NH3process．Andthetreatmenteffectofactivatedcarbononbromategeneratedwereinvestigated．TheresultsshowedthatItexertatremendousinfluenceofbromationformationindifferentwaterquality,whichmayinhibitthebromateformationorpromoteit．Andthesamekindofmaterialindifferentconcentrationshavedifferent

5、effectonbromatedformation．HumicacidinwaterandH202／03molarratiohasgreatinfluenceonbromateformation．Theresultsshowedthatwithouthumicacid，H202couldpromotebromateformationduringH202／03molarratiowaslessthan5：1，andthepromotioneffectfirstincreasesandthendecreases．ThevalueofH202／03wascanmosteffe

6、ctivelypromotethebromateformation．Nevertheless，thevalueofH202／03wasgreaterthan6：1，H202couldinhibitthebromatedformation．Ozonationaloneinthepresenceofhumicacid，ItpromotedthebromateformationduringtheconcentrationofDOCwaslmg‘L～．ItcouldinhibitthegenerationofbromateduringtheconcentrationofDOCw

7、asmorethan2mg。L～(including2mg’L‘1)．InH202／03oxidationinthepresenceofhumicacid，LowconcentrationofH202couldinhibitthebromateformation．ItCanpromotetlleformationofBr03‘duringH202／03molarratiowaslessthan1undertheconditionthatwithouthumicacidandammoniaconcentrationwas0．3mg·L～．万