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ˮ̎(x)Ӱؼ


(x)߀ڰSzF(tun)ЙC(j)ȥM(jn)̼M(jn)еЙC(j)ͨ^zF(tun)ֽɶ̼cˮֻЙC(j)ؓ(f)ɽ͵һ̶(x)_ʼM(jn)(yng)@ؓ(f)O(sh)Ӌֵ(jng)ֵһС0.15kgBOD5/KgMLss.dͨ^BŴҲ֪ؓ(f)Ɍ(x)(yng)ȞҪ



ȺνBһg:gָؚлĿcÿŷŵʣıֵ(wn)\(yn)ЕrʣLĻgҲLĻؚеƽͣrgҲ࿂LһҲǷֳһҪĕrg


gtsǻؚеƽͣrgؚеĻ/ÿؚϵy(tng)ųʣ


TS=X*VT/QS*XR+Q*XE


ʽ:


tSgd


XؚеĻ MLSSkg/m3


VTؚؿwem3


QSÿųʣwem3/d


XRʣkg/m3


QO(sh)Ӌˮm3/d


XEسˮđҸwkg/m3


˱Cϵy(tng)΢Ҫķֳ(sh)mȻķֳ5dǞĝͨgڷֳڵ 2 ЩYҲ@ʾ1015d


ijˮ̎SҪˇA2OˇM(jn)ˮˮ5000m3/dM(jn)ˮ COD300-400mg/l M(jn)ˮ 20mg/lˮ16-20mg/lˮҪ 5mg/lȥʁÓЧ@׺]н(jng)^F(xin)ԃ\(yn)IˆT\(yn)йˆTƽr\(yn)ˮ COD zySV30 85%rͲȡʩ߀DOƫܲãҲ 1-2d һ(j)F(xin)Д̫gʧЧʵoȥ



ᘌF(xin)rh


1.lSrͶ

2.prgg


жк|(zh)


жк|(zh)΢(x)(x)ҲBһжк|(zh):жк|(zh)ָصȚ|(zh)ҲӰ(yng)øԵ|(zh)ؽټЙC(j)Mֹ@Щ|(zh)M(jn)ϵy(tng)


|(zh) : |(zh)Ҫؽ弰 xpˮжк|(zh)΢̎һЩжк|(zh)ˮrһҪA(y)ֹ̎жк|(zh)M(jn)


PHֵ


ˮ̎PHP(gun)ҪͬpHֵAҲӰõҪpH(yng)pHԻ΢Aԗl£pH89ķ(ni)(qing)^Ѹ١


P(gun)PHֵێ֪(yng)ĉAʹPHֵPHͲһ(yng)һP(gun)PH͵ԭPH½ԭЃɂ


һM(jn)ˮЏ(qing)(do)ˮpHͣҺpHҲS֮


ʽ֪SNH3-ND(zhun)NO3-Na(chn)H+@ȌIJ։AÿNH3-ND(zhun)NO3-Ns 7.14gA(CaC03Ӌ)(dng)ˮеĉAȲTKNؓ(f)^ߕrıMˮеĉAʹҺеpH ֵ7.0 ʹʽͻܵ


o(qing)ˣijˮ(yng)ԓƫAԵPHһ㶼 7.0˕rpHtҪȡQˮЉAȵĴС


ڹI(y)UˮPH^M(jn)еPHҪrO(jin)y PHֵ 7.5-8.0PH̫߻̫ͶӰL҂\(yn)I(jng)PH6.8rL͕յͬrܸ8.9


ijˮ̎S+I(y)̎2fm3/dˇ;ˮữ+A2/OM(jn)ˮָ(bio)COD:200~300mg/LNH3-N15~20mg/LTN:25mg/L ,TP:1mg/LŷŘ(bio)(zhn)һA


r;ϵy(tng)һֱ\(yn)Ȼһҹ֮gֱoȥʣؚɫl(f)oζhCODˮָ(bio)ߡ¹ʰl(f)ڵڶŰl(f)F(xin)ָ(bio)(jng)ԃ(dng)ˆT^]аl(f)F(xin)Ψһǰl(f)F(xin)ɰرдĭϵy(tng)^죬жкYM(jn)дI(y)UˮM(jn)롣ͨ^zyˮسPH4.5~5.0 ؚPH5.5~5.8 ܽ5.0~5.8 ͨ^óڹI(y)ԏUˮM(jn)(do)ϵy(tng)PH΢õƣzF(tun)څڽw(x)oȥʣCOD(bio)˱M֏(f)ϵy(tng)QֹͣM(jn)ˮſˮأ{(dio)(ji)M(jn)ˮPH_ϵy(tng)ϡкϵy(tng)PHؚͶӲ5ϵy(tng)֏(f)ͬrh(hun)ֈŲ鮐ˮ|(zh)Դ


ضȣT


ڜضȵҪҲP(gun)Ҫ


ıLu

    

=0.47*1.103T-15


ʽӿԿLʺ͜ضȳP(gun)ϵضȸ15SضȵҲLС 15SضȵĽҲ½(j)҂Ľ(jng)ضȵ 15棬 ½ 30%ضȵ 10½ 70% 10-15 F(xin)ᵪķeە(do)ữM(jn)ٶ


ԜضȺҪ


1.ÿNһmLضȣض^߻^ͶӰ푾NmLضȞ 25-30档


2.һrF(xin)F(xin)Ć}ˮ^ôˮ^҂ԓ\(yn)I҂ͨȡ´ʩ


m(dng)


m(dng)Lؚrg(ؚҲa(chn)mȻ΢Ҫעؚrgֹؚ^


ܽDO


ȽBܽܶJ(rn)ܽˮе䌍Ȼ҂xܽˮе(jng)^΢(yng)úˮʣ


ܽ^߻^͌(yng)Ӱ


ܽ^ߣܽ^ߌ(yng)]@ƣǺǂͥܽ^ߕ(do)ϻzF(tun)wʧͬrҲnjԴһNM(fi)


ܽ^ͣcԸˋFθ^(qing)ĺ܊F(tun)(j)꽛(jng)ܽ1.5mg/l(x)յƣ0.5mg/l(yng)ֹͣһܽ 2-3mg/l Ҟѡ


IB(yng)|(zh)


΢LֳҲx_IB(yng)|(zh)IB(yng)|(zh)ľQ΢LrP(gun)ڠIB(yng)|(zh)Ҳ̼׵|(zh)(x)B(yng)ҪoC(j)̼ԴˮԎ̼̼ԼؚͮB(yng)xa(chn)CO2ȫԝM(x)ҪЙC(j)̼ԴBODsһ{ЙC(j)̼Դ^(do)®B(yng)Z̓(yu)ݾNĵλһM(jn)BOD80PPMÓϵy(tng)ȱNԴҪ]}Ԓ(x)ھzF(tun)бСҺϳ϶ԝMҪ


M(jn)ˮĝ


(yng)njB(ti)D(zhun)遆B(ti)فB(ti)о(dng)^͕rSȵʺ́ʾҁL^(dng)һ̶ȣ(yng)ʾpС


ƽ\(yn)I^Y(ji)Ľ(jng)鰱ʼȣǰˣ 100mg/l (yng)I(y) 150mg/l ܵһ̶ơߵUˮͨ^ϡጵȱʼȵӰB(yng)ֳBVҺȣ


}


﷨̎}Uˮ^}܉ֱӰܽȼD(zhun)ƵҺ΢ꐴxԡwԼĤY(ji)(gu)׃(do)wۺwĶӰЧ


(j)(jng)򞣺(yng)С2000mg/l rM(jn) ;(dng)ȻM(jn)ˮ^(wn)Z}ȣ5000mg/LҲM(jn)ȵӰڲM(jn)ˮӴܵӰ푾ʹʧ


A


^ҪһĉAȣˮЛ]ĉA(yng)(do)pHֵ½ʹ(yng)ʜp(yng)ҪM(jn)оͱʹˮеĉAȴĉAȡ


ڵ͵ijˮM(jn)ˮNH3-Nһ 2040mgLTKN s 5060mgLAȼs200mgL(Ca2CO3Ӌ)


(yng)ÿ1gNH3-N Ҫ7.14gA^ҪĉAɰʽӋ㣺


A=7.14QCNH3-N10-3


ʽУ


Q M(jn)Vصƽˮm3d

CNH3-N M(jn)NH3-NȵIJֵmgL

7.14 Aϵ(sh)kg AȣkgNH3-N


Ø ں^ߵĹI(y)UˮͨҪa(b)AȲʹ(yng)(ni)pHֵS7.28.0֮gӋ㹫ʽ£


AȣK7.14QCNH3-N103


ʽУK 鰲ȫϵ(sh)һ 1.21.3


HM(jn)ЉAȺ㑪(yng)]Žײ֣ˮеĉAȣĵĉAֽ BOD5 a(chn)ĉAԼҺБ(yng)ֵʣAҪʹM(jn)횝Mʽ


ԭˮAȣBOD5 ֽa(chn)ĉAȣĵĉAȣҺ(yng)ֵĉAAȲ㣬ҪʹM(jn)tͶӼAa(b)A


ͶӵĉAɰʽӋ㣺


a(b)AȣĵĉAȣҺ(yng)ֵĉAȣԭˮAȣBOD5 ֽa(chn)ĉA



ʽУ


ϵy(tng)(yng)a(b)ĉAmgL


ĵĉAһ㰴ÿkgNH3-N 7.14kgAӋ㡣 CaCo3


Һ(yng)һ㰴ؚųĻҺʣ 50mg/L A( CaCO3 Ӌ)Ӌ


BOD5 ֽ^Юa(chn)ĉAcϵy(tng) SRT P(gun)ϵ


(dng) SRT20d rɰÿǧ BOD5 a(chn)A 0.1kg Ӌ

(dng) SRT1020d r 0.05kgALK/kgBOD5

(dng) SRT10d r 0.01gALK/kgBOD5


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