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ˮSһA(wn)_(bio)šch

  l(f)ڣ2017-11-30  c1055

       GB 18918-2002ӆ^УO(sh)“һ(bio)(zhn)A(bio)(zhn)”ijڇP(gun)ˮˮ|(zh)(bio)(zhn)δ_֮ǰˮˮ|(zh)^Ԙ(bio)(zhn)c(zhn)ijNxfһA(bio)(zhn)ijԲŷŘ(bio)(zhn)ˮˮ|(zh)ĻҪˣJ(rn)(zhn)ˮ̎SˮһA_(bio)š̌Hஔ(dng)(zhn)ˮ̎ˇˮ̎̎߼̎IJͬMcˮ̎һA(wn)_(bio)P(gun)IˇԪxȡҪ]̎ˮеҪˮ|(zh)ָ(bio)(TNNH3-NCODTP)ܷ_һAŷŘ(bio)(zhn)Ҫ]m(x)̎팦ǰ̎ˇҪǰ̎ͺ̎ˇ܉໥aˇ̵ĿwЧ

    1 һA(wn)_(bio)ҪˇԪ]

    ļg(sh)Ժͽ(jng)ԽǶȿ]ЙC(CODBOD5)͵׵_(bio)ȥ(yng)Mˮ̎ˇԪ؄eTNNH3-Nȥ()̎푪(yng)_ЙCҸw͵נIB(yng)ߵȥһ׺/ҪrӻW(xu)f(xi)ͬ(΢)Ⱦжк|(zh)(yng)MڹI(y)I(y)Դ^ԿƣҪr̎ˇO(sh)ᘌضˮ|(zh)ָ(bio)̎Ԫ1R˳(zhn)ˮ̎SһA(wn)_(bio)̎пɹxõĴԹˇԪ

    ()֮̎̎푪(yng)^VˇĆԪ鏊ֶ𵽸ЧȥҸwzw|(zh)̎ˮĝȺԭwҪrͨ^{(dio)(yu)ẍ́ͬɻW(xu)߼̎_(bio)̎xÆԪͨ^W(xu)﷽ֵȥˮijЩضijɷ練VȥB(ti)̿ͳȥyオЙCPÓɫB͸ȥܽԹw̎_(bio)ı؂ԪҲ̵̎һԪ书W(xu)ķȥ͜ˮеĸNԭw

    2 һA(wn)_(bio)šԪx

    ᘌ̫(zhn)ˮ̎SijÓY(ji)ϴԳ(zhn)ˮˮ|(zh)cˮ|(zh)̎ҪԱ1гšԪA(ch)D1ʾšx^̽Mϳmԓ^(q)(zhn)ˮ̎SˮһA(wn)_(bio)Ļˇ̼׃ʽ

    ڳ(zhn)ˮһA(wn)_(bio)̎ˇָվͳɰDZ؂ǰ̎ˇԪ̎Ĥﷴ(yng)(MBR)r߀ҪǰO(sh)ó(1mmg)MˮҸȺܵͻMˮSS/BOD5ֵ^ͣtҎ(gu)ػؓ(f)ɳؑ(yng)ԓɞxˇԪԱMȥMˮеğoCҸwm(x)̎Ԫ̼Դrɿ]Įa(chn)l(f)a䃞(yu)|(zh)̼Դ߲֕rγԽֱM̎

    ̎ˇxһA(wn)_(bio)Ҫh(hun)(ji)؄eTNNH3-Nķ(wn)_(bio)ȥڵȥhû෴Ó(A2/O)׃͹ˇˇĿǰѽ(jng)õ^VĹ̑(yng)áɲȡҪˇƼMʩ飺

    (1)ˮ̎ϵy(tng)15dϵO(sh)Ӌg]Mˮˮ|(zh)ˮ׃Ӻ\в{(dio)(ji)H\^Б(yng)M1220dķ(ni)Ա϶ˮ(10)l̎(sh)c

    (2)ɲíh(hun)Μϵﷴ(yng)()͘(gu)죬^߱ʵѭh(hun)γɿٻã϶ϵĴ“(lin)@pСMˮˮ|(zh)ˮĕr׃ֵϵ(sh)(310͵1.5)(yng)ͳˮNH3-NȵIJӣЧl(f)]NH3-N(wn)_(bio)

    (3)Mˮˮ|(zh)ˮIJӺ̼ƫӰTN(wn)_(bio)ҪأMˮˮ|(zh)ˮIJͨ^ϵ“(lin)Á̼Դͨ^l(f)Mһ̶ȵa;Ҫraⲿ̼Դ(״c)ﷴЧ

    (4)ǰA(y)̎ȥMMˮoCҸwͻĶԽMֺصķʣs̷rg߷;֜()ɰ̝ʽ\Mͬrֶ̳ČF(xin)̼ԴЧʺTNȥ

    (5)͜ص֮ǰ^ǰˮ̎ϵy(tng)Ļ࿂ӌH\gϵy(tng)۷eͷĿԸMͱ϶ͷЧ

    ڶ̎ˮTNNH3-N(wn)_һAŷŘ(bio)(zhn)rɲֱ^V߻^VšԪMһͳˮCODBOD5SSTPȣʹ䷀(wn)_(bio)W(xu)ڏCODBOD5SSTPȥԼm(x)^VԪķ(wn)\^VʽжNxɰVCе^VĤ^Vϵy(tng)ҪȡQڳˮˮ|(zh)ľwҪ_(bio)˷ʽ̎ˮij·c;r\гɱc\{(dio)y׵ȷ

    ڶ̎ˮTNNH3-Nܷ(wn)_һA(bio)(zhn)rҪ÷VغؚVϵy(tng)TNNH3-NMһ(wn)ȥc^V̎Y(ji)@NʽijˮȺSSҪɰVCе^VĤV⣬VҪͶⲿ̼Դ(״)ȥ1mg/LB(ti)һҪͶ3mg/L״

    Ĥﷴ(yng)(MBR)r̎cĤVY(ji)Ϟһwռe^Сˮйָ(bio)ãm̎ˮֱ\гɱ͹ͶYؚܺĕ@

    3 һA(wn)_(bio)Ļˇ̽h

    3.1 ˇ̵Ę(gu)

    һA(wn)_(bio)Ļˇ̞飺̎+W(xu)()+|(zh)^V+@һˇxڶ̎ˮTNNH3-Nѽ(jng)܉(wn)_һA(bio)(zhn)COD(wn)_һB(bio)(zhn)̼ԴBOD5һ12mg/L

    W(xu)()^VˇNҪMϷʽ

    ٻ^Vٻ+++^VڿٻϳػMˮܵ(ni)ɿٻ(jng)^(yng)^ڳг̎ˮMV^Vڶ̎ˮSS(wn)ҪW(xu)׵rҪԓˇMԴ_ˮȫ淀(wn)_(bio)

    ڻW(xu)^Vٻ++^V;ڿٻϳػMˮܵ(ni)ɿٻ(jng)^һrg(yng)(jng)ֱMV^VһþXX黯W(xu)ˎ

    ΢^Vܵ+^V;ͨ^ٻܵ(ni)ɻW(xu)ˎͶcٻϣ^VصĵײVص픲O(sh)gþXˎrҪһĻW(xu)(yng)rgtW(xu)ЧܵһӰ

    3.2 W(xu)̎

    ̎ˇO(sh)ûW(xu)Ͷϵy(tng)Ŀߺm(x)^VˇwȥҸzw|(zh)}Ͳԭwȥ;X}F}ʯ(f)ˎ;ۺ

    ̎ˇϵy(tng)ڲͶӻW(xu)ˎr¾ܷ(wn)_TPȥҪ3 NTUĝtSͶϵy(tng)ֹͣ\УW(xu)ˎͶϵy(tng)ÿٱ\ЃɴԱCҪrˎϵy(tng)܉Ͷ\С

    ˇ֮VϞVعˇtW(xu)ˇ(yng)ٝM㣺

    Bm(x)O(jin)yӛ̎ˮĝֵԱm(x)ͶO(sh)(j)Mˮˮ|(zh)׃Ԅ{(dio)Ͷ

    ڳ΢^VO(sh)ӋБ(yng)ṩٻϺڃ(ni)ĻW(xu)̎O(sh)ʩҪrgO(sh)ʩԴ_\Зl¾_m(x)^Vˮ|(zh)Ҫ

    ̎O(sh)ʩÿ̎ˇԪ(ۻٔԼ)(yng)O(sh)ÃԴ_ijһO(sh)ͣCSޡB(yng)򷴛_ϴrBm(x)M̎

    ͶӻͬrṩijڿٻϻЧʩԴ_ˮеЧUɢ͸ЧMm(x)(yng)ĸЧ

    (yng)һҪṩMwγɵģʽҪͨ^ٔˮ򔇰菊ҪֹwӵijҲҪֹwcw

    ޹ˇвóF(xin)rgԷ^Vˮ^m(x)l(f)Ӱ푳ˮˮ|(zh)

    ͶӻҪһĕrgγۿҊw(j)ˮ|(zh)ԼxIJͬwγɵĕrgҲͬҪ5minLrgҪṩ(yng)ͣrgԴ_wˮ^V֮ǰȫγɣ^V֮^m(x)γ(yng)ͣrg(yng)(j)ԇyY(ji)ͬ\Д(sh)(j)

    ಻ͬˮ̎S̎ˮˮ|(zh)һ̶ȵIJͬÿMĿҪMǰԇx;ۺͣԼ(yng)O(sh)ӋͶ

    ֱ^VʽrhٻφԪͣrgС30sԪͣrg20 ~ 45 min

    3.3 ^V̎

    ^V̎_һA_(bio)̎ҪMɲ֣֮ǰȥw|(zh)TP͝Ķߺm(x)Чʹԭ΢ʧȥ^Vg(sh)x񲻃HwF(xin)ڳˮˮ|(zh)ĺÉҲҪ]y׳̶ȡ\еƗlϵy(tng)(gu)ĿɿԼٺؓ(f)׃m(yng)Ԇ}V^VǑ(yng)ÕrgLҲǑ(yng)Чõijˮ^V̎g(sh)

    ǻ--^Vˇ̎ЧҪ(sh)mȻڶԭwȥ̶ȣȅsdzˮЧҪָ(bio)VؿɲpӞVϞVΌӞVϞV|(zh)VϞVصȡ

    3.4 ̎

    ڃ̎ˮl(wi)W(xu)ch(hun)Ŀ(bio)΢ﲡԭwĝȽ͵ˮ|(zh)(bio)(zhn)Ҏ(gu)͝Ș(bio)(zhn)ֵ_Ҏ(gu)ܼ{ˮwˮ|(zh)Ҫ;̎ˮŷŶˮ^ch(hun)ж|(zh)ĝ;Ч(wn)ɿҽ(jng)Ч;򸱮a(chn)\ݔ̎^̲h(hun)~L(fng)Uɹ(yng)õW(xu)Ʒ(Ȼ)()﷨(ˮB(ti)̎)ȣĤVg(sh)Ҳ^õIJԭwȥЧ

    Ng(sh)c飺

    ȻȌE.coli cdzЧ΢NٵЧ͛]ôʹôcUЧr(yng)]ͬԭwȺȻжȻЧȡQpHȝȺͽ|rgܰ͑ҸwӰȻIJ֮̎Ȍˮжã߀γɾ^־Ժ۷eԵЙC

    ڳcȻͼЧҪõölЧҲF(xin)}ˮеܽ^ʹ@;䷴(yng)ԸߣyԾS֚@܌(do)΢ٴL

    UVЧҪȡQǰ̎ˮW(xu)ˮ|(zh)ˮ|(zh)ԽUVЧԽUVMă(yu)ٶȿ죬Ҳ̎ˮĶcһUVˮЮa(chn)־õĚ档Ҫ(jng)LxLrgݔͻ򃦴rܴ΢ٴηֳL(fng)U

    4 _(bio)ŷcüš

    ]ˮõˮ|(zh)ɿԺͷ(wn)Ҫ^һA_(bio)ŷcˮa(chn)Y(ji)ϵĻˇ̞飺̎+Ĥ^V(ӞV^V)+ҪrĤ^V֮ǰӻA(y)̎лW(xu)󣬻̎ˮSSƫߕr(yng)ȡA(y)̎

    4.1

    xX}F}ʯۺ黯W(xu)ͬˮ̎S̎ˮˮ|(zh)һ̶ȵIJͬÿMĿҪMгԇоԺx;ۺͼO(sh)ӋͶ

    SS_(bio)ƴʩrMˮȵ10NTUԲͶӻW(xu)ˎ黯W(xu)׵_(bio)ƴʩr(yng)ּˎϵy(tng)\Mˮםѽ(jng)޶Ę(bio)(zhn)ֵͶF}X}MлW(xu)׵Ħһ2 ~ 3ͨͨ^ԇ_W(xu)׺׾M̎Խ̎ɱˎ

    (yng)һҪṩijЩMwγɵķʽͨ^ٔˮ򔇰菊ҪֹwӵijҲҪֹwcwҪṩһ(yng)ͣrgһ10 ~ 20 minw(j)ԇyY(ji)ͬ̵a(chn)\Д(sh)(j)

    ƽؕrrgx2.0 ~ 4.0 hˮƽٿɲl.0 ~ 10.0 mm/sóٿx0.4 ~ 0.6 mm/sҪBm(x)O(jin)yӛ̎ˮĝֵԱm(x)ͶO(sh)(j)Mˮˮ|(zh)׃Ԅ{(dio)Ͷ

    4.2 Ĥ^V

    (jng)^ǰ˹̎MĤ^V(΢V{V)΢VĤ^VrҪg(sh)(sh)飺

    ΢VĤ׏x0.2 μm0.1 ~ 0.2 μm

    ڶ̎ˮM΢Vbǰ(yng)Ͷm־;]лA(y)̎(yng)Mд^V̎(500 μm)

    ΢Vϵy(tng)O(sh)ھO(jin)y΢VĤԵԄӜyԇbúԄӷ_ϴϵy(tng);ԲÚˮ_ϵy(tng)Ҳɸ(j)Ĥϲ_ϴʩ

    ΢Vϵy(tng)˲Ԅӿϵy(tng)ھO(jin)y^ĤƷ_ϴ^̺ͻW(xu)ϴ(sh)̎ϵy(tng)ļg(sh)(sh)飺_ϴ30 ~ 60 minW(xu)ϴڣ20 ~ 40 d

    Ҫ΢VЧĤ^VijˮȲ^0.5 NTU

    4.3 ̎

    Ĥ^VЧȥ΢ijЩԭԭһ0.2 μmͨ^΢VЧȥ@ʹԓ(yu)g(sh)0.2 μmIJ((sh)c)ҲܵõЧȥ_ϴҺкд΢ȾĤVˮҪMһ̎ԲȻ⾀ЧҪˮļScȺ(sh)С3 MPN/L

    5 ͝Ⱥ͸ߝȳ(zhn)ˮ_(bio)ˇ

    5.1 ͵̎ˮ_(bio)̎ˇ

    е͝ˮMˮˮ|(zh)^õеȝˮ̎ˮTNNH3-Nѽ(jng)܉_һA(bio)(zhn)TPCODBOD5ӽһA(bio)(zhn)ֻҪֱM^V̎ˮˮ|(zh)Ϳȫ_һA(bio)(zhn)Ҫ^VʽɰVCе^VĤ^Vϵy(tng)

    5.2 һA(wn)_(bio)ˇ̵ĹܔUչ

    ڶ̎+W(xu)()+^VĻˇ̵ijˮˮ|(zh)yԷ(wn)_һA(bio)(zhn)r£Ҫڻˇ̵ĻA(ch)ϔUչijЩ磺ڶ̎Ҫ(wn)ȱͶ̼Դ߷䷀(wn)ԣl(f)ͺʣƽa̼Դڶ֮̎ҪȥؚVȥTNķVȥCODĻ̼ÓɫȵijÓ}ֵķB͸ԼĤﷴ(yng)đ(yng)ȵ

    Ҫ؄eעǣͶⲿ̼ԴķʽÓЧrMˮȸ̼ȵ͵ij(zhn)ˮ̎S乤ͶY\MÿܳF(xin)ȵӣʹÆλYͶĜpЧ@˕r(yng)ԓ؄eӏԴ^һǽˮܾW(wng)ԭˮm(dng)ʹڃ(yu)|(zh)̼ԴĹI(y)ˮ(l(f)ИI(y)ˮ)BOD5ŷҪ߳(zhn)ˮ̎SMˮ̼Ⱥ̓(yu)|(zh)̼Դ(ɿオЙC)