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ܽl(f)ߺôk

ˮ̎Ķ֪ܽǺˮ|(zh)Ҫָ(bio)Ҳnj(sh)F(xin)ˮwҪءˮܽĺ^ˮȾĽӿˮwٶȡˮܽ^tˮȾオٶȱ^


ˣճ\(yn)йDOֵ̫Ҳ̫ĿǰI(y)(ni)J(rn)DOֵ˿2mg/lң(sh)H\(yn)Б(yng)(j)SԼľwr



Ӱܽ

^ָܽܵˮwеķˮܽāԴЃɂ(g)һˮwʹƽB(ti)ܽ⵽ˮwеˮwM(jn)лW(xu)(yng)ﻯW(xu)(yng)γɵ


ܽˮЄ(dng)ֲ΢ıҪlͨ^ܽĜyɫ@֪ˮwȾrˮͱo(h)ṩҪĔ(sh)(j)ֺ֧Փָ(do)


ˮܽĺͺܶ෽P(gun)磺≺ˮwض}ȡͨr]ܵȾˮwܽʬF(xin)͠B(ti)


ˮwеЙC(j)ﺬ^࣬ˮwٶȴܽa(b)oٶtˮܽĺ(hu)𲽽̎r(sh)ܽܽ͵㣬(do)ˮwеˮwl(f)l(f)͵Ȇ}ʹˮ|(zh)l(f)(yn)ؐ


ӰˮܽҪɂ(g)棬һˮܽ½r(sh)γɵĺ磺ЙC(j)オr(sh)(hu)ˮеܽܽӵ(f)磺՚ܽˮֲĹõ@ɷNصĹͬ£ˮܽĺ(hu)l(f)̶ͬȵ׃



ܽ


DOF(xin)DO^ߺ^̓ɷNF(xin)DO^͵ĬF(xin)Է֞ij(g)r(sh)DO½ͬL(fng)lDOu̓ɷNr


DO½Ҫԭ


1M(jn)ˮˮ|(zh)ͻ׃


ߝЙC(j)UˮܽBODߝЙC(j)UˮҪָʳƷӹUˮI(y)Uˮ켈UˮȣBODױֽȥ(do)ºDO


ߺˮ롣ˮܾW(wng)жѷesػҺĴI(y)Uˮߵ֬UˮƤӹSI(y)UˮӡˢwSW(xu)ϳɏUˮ붼Ɍ(do)DO½


ӰD(zhun)ƏUˮˮеıԄ֬Ҵȣճ|(zh)֬ȌۼښҺϣKӵĔU(ku)ɢD(zhun)?c)D(zhun)^̵D(zhun)ϵ(sh)½D(zhun)ЧʽĶʹDO½


ߝFeOUˮߝFeOUˮҪԵˮVɽFS|SȹVI(y)@ЩUˮкдFױFe3+Ĵ(do)DO


2ؚذl(f)(yng)


(yng)Ĺʽ飺


NH4+2O2 NO3-+2H(+)+H2O


l(f)(yng)횝M@ӵėlm˵ˮPHDOSRT1/VnSRTָgVnָ(x)ıLʡ


ͬSRT\(yn)D(zhun)ˮ̎S(x)ıLVnSضȵʣŷżp(dng)Ml(f)(yng)ėlr(sh)(hu)ͻȻl(f)(yng)湫ʽԿÕ(hu)ͬr(sh)(do)DO½


DOuҪԭ


ͬL(fng)lDO u?yn)ؚ^ؚĤϻĿԭǿ՚л҉m^L(fng)C(j)^VصסL(fng)C(j)sM(jn)ؚܵ܃(ni)PPؚ^(do)DO½


ؚĤϻ(hu)(do)š׃׃ɢ^Ěݽ˚ࡢҺĽ|es˶ߵĽ|r(sh)gĶʹD(zhun)ЧʽؚͣͬrDO(hu)u½


DOҪԭ


ڴŷʣ࣬ڶذl(f)ÛʹSˮʧM(jn)ˮؓ(f)^ߵȶɌ(do)ؚػȽͣҲ(hu)ôDO͕(hu)


M(jn)ˮ^(du)ۺˮwLr(sh)gꡢѩˮĴ(hu)ؚM(jn)ˮؓ(f)^ʹDO


жк|(zh)ڹI(y)Uˮ(hu)жкUˮM(jn)룬(do)»Sour½DO糬ؽǼ(x)Ƅ͚Ư׷ҺȵȌ(du)(x)к܏(qing)Ě@Щ|(zh)Ɍ(do)¼(x)


(qing)UˮĴ(qing)i⛿(x)ļ(x)|(zh)ʹ(x)xܵKY(ji)Ȼ(do)΢½ʹDO


(yng)ֹͣˮ½gš(do)(yng)ֹͣr(sh)ĜpDO


ˮҲ(hu)(du)DOa(chn)Ӱ΢øϵy(tng)׃Ӱ푵Ĝضȷ(ni)ˮ(hu)ʹ΢(dng)ʢ߷(yng)ٶˮ߀ڻ^̣D(zhun)


(du)^̣һJ(rn)ˮ20~30r(sh)Ч35Ϻ10ƒЧн(dng)ˮˮͻȻˮس^40r(sh)͕(hu)𵰰׃|(zh)ʧȥ(do)̎ˮ|(zh)


VVصĺǞVxČ(sh)HʹށAQUAĞV?j)_(d)7-10꣬LJa(chn)VH3-5



ܽr(sh)ԓ̎


ܽǻ๤ˇؚ\(yn)пƼҪָ(bio)ĻܽāЄeõĻȡӺҺеDOܿʧʹ͔(sh)ҲʧȥԵཛ(jng)^(sh)Ҳ(hu)ġ


ڻwĴСͬСܽҲͲһwԽСcˮĽ|eԽҲԽڌ(du)ӵĔzȡҪܽȾ֮wԽ󣬄tҪܽȾʹ

̫ܽ?yn)^͵ܽoMؚ΢ꐴx(du)(do)΢(sh)½KĴx^LzC(j)½ЙC(j)ȾֽⲻصףӰ푳ˮЧˮDOL^߀Ɍ(do)¶ذl(f)ʹϸ

ܽҲ^?yn)^ߵܽζҪ^߀(hu)l(f)ϲøDOķž^Ӱ̎Ч

֮^ؚ(hu)(do)һ಻ܳɞϸ߀w^ʹ - IB(yng)ƽ⵽Ɖģʹ΢pٶʧȥwsС|(zh)ݷeָ(sh)SVI^ؚ߀(hu)l(f)ؚĭȮF(xin)ؚܽԽԽ

(du)ڂy(tng)෨׃ιˇڲӰ푳ˮǰ£(yng)MܽDOֵ(du)ڂy(tng)෨ҪF(xin)ˮc_ʼ|ϵؚ׶^(q)СJ(rn)(du)ڲҪÓĻ๤ˇf^(q)M(jn)ˮ^(q)ܽ0.8~1.2mg/l֮g^(q)g^(q)1.0~1.5mg/l֮g^(q)ˮ^(q)2mg/lҾͿԝM̎Ҫˮ^(q)ܽԸǞ׵ijղֹڶ؅ϸ

DOҲgӷӳM(jn)ˮˮ|(zh)ˇƵĮҪY(ji)a(chn)ԭȡͬČ(du)M(jn)ˮˮ|(zh)}t(yng)ӏ(qing)ch(hun)TĜͨˮ|(zh)Դӏ(qing)Դ^mr(sh)_߷֕r(sh)ΜpM(jn)ˮˇƮa(chn)DOt(yng)(du)F(xin)a(chn)ԭ{(dio)

ļˮظߣ(yng)m(dng)ؚt෴ؚϵy(tng)a(chn)ܽ½t(yng)(du)ؚM(jn)ȫzϴQؚĤؚ܃(ni)ʹ՚형M(jn)ؚأ΢ṩܽ

֮ܽDOǻ෨ИOҪšֵֶĴС(hu)(du)һϵָ(bio)a(chn)ӰDOr(sh)ҪY(ji)a(chn)ԭJ(rn)(du)Yˎr(sh){(dio)MѮС(ni)ʹˮ_(d)(bio)ŷ


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