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ˮ̎(x)Ӱؼ


(x)߀ڰSzFЙCȥM̼MеЙCͨ^zFֽɶ̼cˮֻЙCؓ(f)ɽ͵һ̶ȣ(x)_ʼM(yng)@ؓ(f)O(sh)Ӌֵ(jng)ֵһС0.15kgBOD5/KgMLss.dͨ^BŴҲ֪ؓ(f)Ɍ(x)(yng)ȞҪ



ȺνBһg:gָؚлĿcÿŷŵʣıֵ(wn)\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


ijˮ̎SҪˇA2OˇMˮˮ5000m3/dMˮ COD300-400mg/l Mˮ 20mg/lˮ16-20mg/lˮҪ 5mg/lȥʁÓЧ@׺]н(jng)^F(xin)ԃ\IˆT\йˆTƽr\ˮ COD zySV30 85%rͲȡʩ߀DOƫܲҲ 1-2d һ(j)F(xin)Д̫gʧЧʵoȥ



ᘌF(xin)rh


1.lSrͶ

2.prgg


жк|(zh)


жк|(zh)΢(x)(x)Ҳ⡣Bһжк|(zh):жк|(zh)ָصȚ|(zh)ҲӰ(yng)øԵ|(zh)ؽټЙCMֹ@Щ|(zh)Mϵy(tng)


|(zh) : |(zh)Ҫؽ١弰 xpˮжк|(zh)΢̎һЩжк|(zh)ˮrһҪA(y)ֹ̎жк|(zh)M


PHֵ


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


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


һMˮЏ룬(do)ˮpHҺpHҲS֮͡


ʽ֪SNH3-ND(zhun)NO3-Na(chn)H+@ȌIJ։AȣÿNH3-ND(zhun)NO3-Ns 7.14gA(CaC03Ӌ)(dng)ˮеĉAȲTKNؓ(f)^ߕrıMˮеĉAʹҺеpH ֵ7.0 ʹʽͻܵ


oijˮ(yng)ԓƫAԵģPHһ㶼 7.0˕rpHtҪȡQˮЉAȵĴС


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


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


r;ϵy(tng)һֱ\Ȼһҹ֮gֱoȥؚɫl(f)oζhࡣCODˮָ(bio)¹ʰl(f)ڵڶŰl(f)F(xin)ָ(bio)(jng)ԃ(dng)ˆT^]аl(f)F(xin)Ψһǰl(f)F(xin)ɰرдĭϵy(tng)^жкYMдI(y)UˮMͨ^zyˮسPH4.5~5.0 ؚPH5.5~5.8 ܽ5.0~5.8 ͨ^óڹI(y)ԏUˮM(do)ϵy(tng)PH΢õƣzFڅڽw(x)oȥCOD(bio)˱M֏(f)ϵy(tng)QֹͣMˮſˮ{(dio)(ji)MˮPH_ϵy(tng)ϡкϵy(tng)PHؚͶӲ࣬5ϵy(tng)֏(f)ͬrh(hun)ֈŲ鮐ˮ|(zh)Դ


ضȣT


ڜضȵҪҲP(gun)Ҫ


ıLu

    

=0.47*1.103T-15


ʽӿԿLʺ͜ضȳP(gun)ϵضȸ15棬SضȵҲLС 15SضȵĽҲ½(j)҂Ľ(jng)ضȵ 15 ½ 30%ضȵ 10棬½ 70% 10-15 F(xin)ᵪķeە(do)ữMٶ


ԜضȺҪ


1.ÿNһmLضض^߻^ͶӰ푾NmLضȞ 25-30


2.һrF(xin)F(xin)Ć}ˮ^ͣôˮ^҂ԓ\I҂ͨȡ´ʩ


ȣm(dng)


m(dng)Lؚrg(ؚҲa(chn)mȻ΢Ҫעؚrgֹؚ^


ܽDO


ȽBܽܶJ(rn)ܽˮе䌍Ȼ҂xܽˮе(jng)^΢(yng)úˮʣ


ܽ^߻^͌(yng)Ӱ푣


ܽ^ߣܽ^ߌ(yng)]@Ǻǂͥܽ^ߕ(do)ϻzFwʧͬrҲnjԴһNM


ܽ^ͣcԸˋFθ^ĺ܊F(j)꽛(jng)ܽ1.5mg/l(x)յ0.5mg/l(yng)ֹͣһܽ 2-3mg/l Ҟ


IB(yng)|(zh)


΢LֳҲx_IB(yng)|(zh)IB(yng)|(zh)ľQ΢LrP(gun)ڠIB(yng)|(zh)Ҳ̼׵|(zh)(x)B(yng)ҪoC̼ԴˮԎ̼̼ԼؚͮB(yng)xa(chn)CO2ȫԝM(x)ҪЙC̼ԴBODsһ{ЙC̼Դ^(do)®B(yng)Z̓(yu)ݾNĵλһMBOD80PPMÓϵy(tng)ȱNԴҪ]}Ԓ(x)ھzFбСҺϳ϶ԝMҪ


Mˮĝ


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


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


}


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


(j)(jng)򞣺(yng)С2000mg/l rM ;(dng)ȻMˮ^(wn)Z}5000mg/LҲMȵӰڲMˮӴܵӰ푾ʹʧ


A


^ҪһĉAˮЛ]ĉAȣ(yng)(do)pHֵ½ʹ(yng)ʜp(yng)ҪMоͱʹˮеĉAȴĉA


ڵ͵ijˮMˮNH3-Nһ 2040mgLTKN s 5060mgLAȼs200mgL(Ca2CO3Ӌ)


(yng)ÿ1gNH3-N Ҫ7.14gA^ҪĉAɰʽӋ㣺


A=7.14QCNH3-N10-3


ʽУ


Q MVصƽˮm3d

CNH3-N MNH3-NȵIJֵmgL

7.14 Aϵ(sh)kg AȣkgNH3-N


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


AȣK7.14QCNH3-N103


ʽУK 鰲ȫϵ(sh)һ 1.21.3


HMЉAȺ㑪(yng)]Žײ֣ˮеĉAĵĉAȣֽ BOD5 a(chn)ĉAԼҺБ(yng)ֵʣAҪʹM횝Mʽ


ԭˮAȣBOD5 ֽa(chn)ĉAȣĵĉAȣҺ(yng)ֵĉAAȲҪʹMУtͶӼAaA


ͶӵĉAɰʽӋ㣺


aAȣĵĉAȣҺ(yng)ֵĉAȣԭˮAȣBOD5 ֽa(chn)ĉA



ʽУ


ϵy(tng)(yng)aĉAȣmgL


ĵĉAһ㰴ÿkgNH3-N 7.14kgAӋ 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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