水解(酸化)-生物接觸氧化法處理水產(chǎn)品加工廢水的研究.pdf

1、青島建筑工程學(xué)院碩士學(xué)位論文水解(酸化)生物接觸氧化法處理水產(chǎn)品加工廢水的研究姓名：張建申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：環(huán)境工程指導(dǎo)教師：劉志強(qiáng)2000.2.20童壘壅塾三堡堂堡翌主堂竺笙查一一AbstractInthispaperastudyismadeonthetreatmentofaquaticproductprocessingwastewaterbyhydrolyticacidificationbiologicaloxidationpr

2、ocessTheexperimentsresultsshowthateffluentCOD，BOD5，SScanmeetthenationaldischargestandards，with895％，92％and8900faverageremovalraterespectivelywhenwastewatertemperatureis20。C，HRTisover6handinfluentCOD，BOD“SSis1000～1300mg／l，

3、510～690rag／1and150～250mg／1respectivelyThelargestorganicloadingis44kgCOD／m3dwhenwastewatertemperatureis20。CThebiodegradability(BODs／COD)ofaquaticproductprocessingwastewatercanberaisedfrom052toO67viahydrolyticacidification

4、treatmentThewastewatertemperaturehasagreatinfluenceuponthetreatmenteffectWhenHRTis18h，averageCOD，BOD5removalratearereducedfrom91％，94％whentemperatureis20。Cto8I9‘，81％respectivelywhentemperatureis10。CThetreatmenteffectcanbe

5、improvedeffectivelywitlcoagulationaspre—treatmentprocessinlowertemperatureWhenwastewatertemperatureis10。CandHRTis12h，CODandBOD5removalratecarlbeenhancedto86％89％respectivelywithcoagulant(polymerizedAICl3)40mg／1Thepractice

6、ofprojectshowsthathydrolyticbiologicaloxidationprocesscantreataquaticproductprocessingwastewatereffectivelyinsurmnerwhilethetreatmenteffectoforganicwasteinwinterisnotsteadyfortheremovalrateoforganicwasteinhydrolyticacidi

7、ficationphaseistoolowwhentemperaturefallsto100CinwinterThetreatmenteffectisimprovedeffectivelybyaerationinhydrolyticacidificationphaseandrefluxofsludgeinsedimentationtankAfteraajustment，theremovalorganicloadingisenhanced