۠̿SҜ\Մ̎UˮҪ
۠̿SҜ\Մ̎UˮҪϖ|혭h(hun)Ƽ˾njI(y)a(chn)۠̿ďS
һ÷۠̿(li)ȥ
1о۠̿(du)Uˮܣԇ(yn)A(y)̎ķ۠̿̎UˮҺPHֵ̿(du)Ͷr(sh)g׳|(zh)Ȍ(du)ȥʺӰ푣푑(yng)淨侀Dģ̓(yu)lM(jn)(dng)W(xu)(sh)(yn)
2ԇ(yn)Y(ji)lҺPHֵ3۠̿(du)Ͷ8mg/gr(sh)g60min׳ʼ|(zh)Ȟ0.78mg/Lڴ˗lȥ_(d)67.92%f(shu)۠̿̎Uˮ(du)̼^õ
ˮԪس(bio)(hu)ˮwĸI(yng)B(yng)@NF(xin)҇(gu)^(yn)oI(y)ˮa(chn)I(y)r(nng)I(y)ԼΘI(y)(li)˘OΣȠI(yng)B(yng)|(zh)ֳԭמP(gun)IЧˮĝ(du)Ⱦo(h)h(hun)ʮҪx
Ŀǰ(gu)(ni)ˮg(sh)ҪW(xu)ɴA/OA2/OUCTˇҪm̎͝ȼЙC(j)B(ti)Uˮ;W(xu)W(xu)ҪлY(ji)xӽQ늝BBȹˇҪm̎o(w)C(j)B(ti)Uˮ
ȻSI(y)a(chn)^(gu)н(jng)F(xin)һЩߝȵĺUˮߝȺUˮĿǰов](mi)Ї(yn)ĶxһJ(rn)ֻҪǸUˮеĺ߿ם100mg/LϾͷQߝȏUˮߝȺUˮyԑ(yng)ÆһW(xu)M(jn)ȥȥҲ(hu)(du)(g)һW(xu)̎ˇɘOؓ(f)(dn)ʹ(g)̎ˇ̎Чͻߟo(w)Bm(x)\(yn)С
ˮwā(li)Դ
ŷŵе״(li)ԴˮSI(y)UˮɽָطʧԼ꽵ѩ֮cǰ(xing)ͽѩе^{(dio)םƽֵO.04mg/LѩеO.02mg/Lˮÿÿŷs1.43.2gNϴ섩ؕI(xin)sռе70%ҡcϴˮԼڼSҲஔ(dng)?sh)ĺSŷҪ(li)Դڷt(y)ˎٱ̎wSȾl(f)ͺʳƷI(y)ˮˮռ43.4%Ξ20.5%29.4%c6.7%ˮ43.4%SI(y)Uˮ20.5%ʧ29.4%ѩˮ6.7%
UˮΑB(ti)
Uˮе}}ЙC(j)ʽڏUˮ(li)ԴͬNʽe^͵ˮп315mg/L(Ӌ(j));rԭˮ}ķ£}5mg/L(Ӌ(j))}3mg(Ӌ(j))}lmgL(Ӌ(j))ԼЙC(j)
ԭڏUˮ^(gu)ҪP(gun)ע}xƽƼs}ˮwxͬr(sh)H3P04H2P04һHP042һP04(g)F(tun)ĝȷֲSpHֵpHֵ69ĵˮҪʽ
W(xu)̎ˮ
W(xu)öN(yng)xcUˮеY(ji)ɳ|(zh)ĶʹЧ؏ďUˮзx(li);늝BĤxg(sh)һNֻǝsһNo(w)ĸϳȥ;F(xin)ڶڳˮ̎S͵rcW(xu)вԴЧʸ(jin)εc(din)
}
}ڳ,W(xu)ҪXxFxӺ}x,ʯҺɵuʯƽⳣ(sh),Ч.ͶʯںUˮ,}xc(yng)ɳ,(yng):5Ca2++7OH-+3H2PO4-=Ca5(OH)(PO4)3+6H2O(1)(yng):Ca2++CO32-=CaCO3(2)(yng)(1)ƽⳣ(sh)KS0=10-55.9.(yng)֪ЧȡQxӵ(du)ȺpHֵ.ʽ(1)֪}ډAԗlc}xӷ(yng)u},SpHֵӷ(yng)څȫ.(dng)pHֵ10r(sh)Ч,ɴ__(d)ˮ}|(zh)<0.5mg/LĘ(bio)(zhn).(yng)(2)}xcUˮе̼(yng)̼},(du)}dzҪ,HӰ}Ͷ,ͬr(sh)ɵ̼},۶ʹˮ
ˇеһ(j)(yng)Ҫdz\,pH=8.59.0,ͶӾۺȻX,ڶ(j)(yng)Ҫ},pH=1111.5,ˮ(jng)кͺŷŻãˮˮ|(zh)_(d)һ(j)(bio)(zhn)
P(gun)Ig(sh)
}P(gun)Ig(sh)Ȼ}ʯˎ,ÙC(j)еϷ(yng)Чбܳ,m(yng)Ϗ(qing)ȡؓ(f)ɺͷ(yng)pHֵ
ɷNó|(zh)
1.t
tFұ^(gu)Юa(chn)ĹwU,ҪCaOFeOMnOSiO2Fe2O3P2O5Cr2O5Al2O3M,кܶ(yu),ÿNɷ־.ԓČ(sh)(yn)оڔ(sh)(g)Fƿи200mLģMUˮһĠt,ʎ,Ҝʎһr(sh)gʹ(yng)_(d)ƽ^(gu)V,Ȼ(du)ҺM(jn)ĝȜy(c)ԇ,ͨ^(gu)^ҺijʼȺƽϵȥʡо
(1)StȥҲ,s½
(2)_(ki)ʼSr(sh)gL(zhng),r(sh)g2hr(sh),څڷ(wn)
(3)SUˮĝȵ
(4)ضȌ(du)tõӰ푺С
(5)ҺpHֵ(du)ЧҪӰ,(dng)pH7.56r(sh),ȥʞ
,àt̎Uˮr(sh),(dng)UҺĝȞ213mg/L,t5g/L,pH7.56,r(sh)g2hėl,ȥʿ_(d)99%,ҺĝҲڇ(gu)ŷŘ(bio)(zhn),ԓȫɿ,(hu)a(chn)Ⱦ
2ʯ
Uˮʯ{(dio)pH=10.512.5uʯﷀ(wn)ƽⳣ(sh)Ca10(OH)2(PO4)6ƽⳣ(sh)90X}F}}34ƽⳣ(sh)ԽɵijԽ(wn)ЧԽÓصףҺxЧҲ̎Uˮȫ_(d)(bio)P0.5mg/LʯߏUˮpHֵͬr(sh)ҲʹUˮеʯCODcrõUˮ_(d)(bio)ŷšʯ̎Uˮa(chn)^бܳصͨ^(gu)sÿ12ΣɽY(ji)¹s؝sӝVC(j)VʹҺx\(yn)
3.섩oW(xu)
ԓõď(f)ϳ턩ȻV@,ڳͬr(sh)a(chn)Ч(f)Ϸ,䷴(yng)ԭ:
HPO42-+Mg2++NH4++6H2O=MgNH4PO4•6H2O+H+
PO43-+Mg2++NH4++6H2O=MgNH4PO4•6H2O(yng)ɵMgNH4PO4•6H2OY(ji),^(gu)V,(du)ם^͵ďUˮ,һ̎_(d)ŷŘ(bio)(zhn).(dng)̎^ߵďUˮr(sh)y_(d)(bio),Ҫһ̎ĻA(ch)һ̎Һ(f)ϻPAC(ۺȻX)PAM(۱ϩ@).PACĻҪͨ^(gu)ܘͳW(wng)Ì(sh)F(xin),PAMx߷,ҺPAMѸٲطɢ,ʹˮҺеijxӡ(lin)γF(tun)(li).(sh)(yn)Y(ji):PAM,cPACһ,ȡõĻЧ.Ï(f)ϻ
W(xu)c(din)
W(xu)ױ|(zh)һNW(xu)^(gu)̣䃞(yu)c(din)̎Ч(wn)ɿ(jin)ҏԴ̎̎^(gu)в(hu)ጷ͛_ؓ(f)ɵҲ^(qing)֮̎ǻW(xu)(hu)a(chn)ˮW(xu)࣬̎yȴ⣬ˎM(fi)^ɴɵĚxӵĝҲ^ˮɫ
Ϣ۠̿a(chn)Sϖ|혭h(hun)Ƽ˾ṩ
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