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生物筛选型脱氮反应器处理垃圾渗滤液工艺和机理研究论文
Abstract
ABSTRACT
Basedonthe ofSHARONandthemechanismof new
principle process SBR,a
ofRush·out Denitrification in
process Biological Reactor(RBDR)waspromoted
ordertofulfilldenitrificationovernitrite.Continuoustestwascarriedforin
treating
indicatedthatthe
leachateunder result had
condition,the
steady processhigh
efficientfordenitrificationovernitrite.thevolumetric
ammonia,totalnitrogen,COD
ratewere 1.42
loading 0.26kgN/(m3·d),0.29kgN/(m3‘d)andkgCOD/(m3.d)
ratewas
removal 97.7 1.2±1.4%and70.2
respectively,thecorresponding 4-0.8%,9
±l2.1%.70 ofdenitrificationwasovernitrite.
percent
ThedenitrificationkineticsofbiomassinRBDRwerestudied.The
Specificyield
coefficientofbiomasswas0.3677 decline wasO.1877
coefficient
gVSS/(gTN·d),the
bacteriatake inbiomasswhereas
gVSS/(gVSS·d).Thedenitrifying 42.4%percent
theammonia bacteriatake forthedenitrificationover
oxidizing 40.7%percent.As
was was Was42.5~140.6
nitrite,the 7.32;Ks,ni
optimalpH 70.3~104.2mg/L,KiJli
Il Eaof were and
HN02.The
g/L Ki,ni,Ks’Ili,Um舣,de40.88kJ/mol,1.98kJ/mol
37.13kJ/mol
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