用于廢水處理的殼聚糖復(fù)合絮凝劑的制備與性能研究.pdf

1、重慶大學(xué)碩士學(xué)位論文用于廢水處理的殼聚糖復(fù)合絮凝劑的制備與性能研究姓名：賈曉燕申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：環(huán)境科學(xué)指導(dǎo)教師：鄭懷禮20040420重慶大學(xué)碩t學(xué)位論文英文摘要ABSTRACTAlongwiththeeconomydevelopmentandtheadvanceofthepeople’Slivingstandard，moreandmorewastewaterhasbeenproducedandtherearemoreandmo

2、rewideuseofphosphorousdetergentsbuttherearestillveryseriousneglectofremovingthenitricandphosphorousfromwastewateLEutrophicationhasbecomeoneofthemostseriousproblemsinwaterpollutionbecausethehi曲erthephosphomscontentis，them

3、oredifficultthewastewatertobedealtwithInthispaperthecomplexflocculationhasbeenappliedinthedealingofwastewatertomakeitbeinaccordancewiththedischargingstandardChitosanisakindofinartificialorganiccompoundofmacromoleculeinna

4、ture，anditsannualproductioninChinaisthesecondintheworldTheadvantagesofchitosancanbelistedas：abundance，highyield，withnopoisonoussideeffect，completebiologicaldecomposition，powerfulsorptionadsorbingofmetal—ions，dyeing—ions，

5、haldgen，protein，amoinoacid，claygrainandSOonAnditisapowerfIllgermicidalandgermrepressingcompound，whichmakesitcanbeusedasamultifunctionalflocculentinthetreatmentofwastewaterThewriterofthispapertriedtoenhancethecapabilityof

6、removingelectionegativegrainfromthewastewateronthewayofalteringthenaturalstructureofchitosanandusingitschemicalsorptioneffectFurthermore，thestudyprovidesthemethodthroughwhich，themanufacturingofchitosancomplexflocculation

7、withthepowderedcoalashtemovephosphorusfromwastewaterunderthegeneralpH—valuerangecanbecarriedoutAtthesametime，wecanintegrateitspowerfuladsorbingcapabilitywithitscapabilitiesofphosphate，CODandSSandmetalionremovingTheresult

8、sofnumerousexperimentsindicate，whenweusechitosan(CTS”)seperatelytheeffectofflocculationcapabilityofphosphorusremovalisloweratgeneralacidcondition(pH=78)IfwecomplexthemeasurableFe”andchitosan，andadjustthemeasurableacidity

9、topromotethehydrolyzingofcomplexcompoundofFe“，wecanmaketheacidityofFe—CTS’’lowerthanpreviousCTS”，makethehydrolyzingweakerandgetthemorestabilesolution；what’Smore，wecanachieveabetterflocculatingefficiencyandenhancingremovi

10、ngdoublephosphorusindealingwiththewastewaterButifwecompoundFeCTSandFMa，wecanenhancetheflocculatingcapabilityofit，andincreasetheremovalofphosphorusIntheend，thispaperindicatesthatthecapabilityofcomplexingflocculatingphosph