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UˮA(y)̎еđ(yng)о

  l(f)ڣ2017-01-09  c(din)1062

       ڴʯI(y)@^(q)(ni)Uˮɷ֏(f)sˮ|(zh)ˮ(dng)^ʯUˮжЙC(j)ȸԲc(din)ʯUˮһ̎g(sh)š䃞(yu)c(din)̶̣O(sh)了(jin)Ρ ̎Чȱc(din)A(y)̎Ҫ(yn)\(yn)M(fi)^ ˮữg(sh)đ(yng)ҪڸߝyUˮA(y)̎ߏUˮĿ(jng)^(gu)оc_(ki)l(f)ˮữˇA(y)̎ˇ첢VP(gun)ע

    ˮữDžĵһAɼˮữɣЧD(zhun)ͽijЩ|(zh)yオ|(zh)܉?q)F(xin)Nsh(hun)_(ki)h(hun)ѽ[9]. ˮữˇɌy;ﶾõĴ|(zh)D(zhun)׃׽С|(zh)ߏUˮĿ̎ˇЧA(y)̎AΡ

    ʯUˮձ麬^ߝȵ}څˮữ^(gu)ߝȵ}(hu)߀ԭH2S. H2SжwgO(sh)䣬̎ϵy(tng)ÛӰ䷀(wn)Ҿһİȫ[[13]. ͨ^(gu)΢ˮữg(sh)}߀ԭɜpH2SĮa(chn). ڹPn}M(du)ʯUˮ΢ˮữ̎g(sh)ȷо[14, 15]ijʯ˾Cˮ̎S(du)ԭˮữM(jn)˼g(sh)Ʌˮữˇ΢ˮữˇ. Ը΢ˮữ؞о(du)̽ӑ΢ˮữڌ(sh)Ha(chn)\(yn)еЧڞˮ̎SČ(sh)Ha(chn)ָ(do)

1 칤̺(jin)

1.1 ˮữظ칤

ԓˮ̎Sˮữ2?c)ݷe100 000 m3ÿM(jn)ˮ55 000~60 000 m3֮gЧˮͣr(sh)gs24 hˮʽʽˮữĩO(sh)Ã_(ti). 70 000 m3ˮữ؞(jin)ҪBr. wL(zhng)150 m70 m6.9 m42(g)ȵÿ(g)ȵ(ni)Ã_(ti)ˮ?dng)ɽMϺλ¶˵ؚh(hun)(D 1). ϲˮ0.4~3.4 m(ni)·ؚh(hun)ܣxص0.2 mÿMؚh(hun)O(sh)12(g)ؚPɽMؚh(hun)14.4 m. \(yn)gˮȞ0.5 1ܽ(DO)0.2~0.35mg ·L-1֮g

D 1 ΢ˮữؘ(gu)켰ˮʾ

̎UˮijʯI(y)@^(q)CϏUˮO(jin)y(c)gUˮCOD490.3~673.2mg ·L-1pH7.75~9.21SO42-779~904.7mg ·L-1.

1.2 y(c)ԇָ(bio)

о(du)΢ˮữصM(jn)ˮM(jn)Мy(c)Bm(x)O(jin)y(c)һ(g)Ҫy(c)ָ(bio)COD BOD5 TOC SO42- UV254 VFA. COD BOD5 SO42- UV254Շ(gu)(bio)y(c)[16]. ЙC(j)̼(TOC)ÿЙC(j)̼x(TOC-VCPHձu) VFA“(lin)ϵζ(÷-yʽpHӋ(j))y(c) DO pHORPñyʽٜy(c)x(WWW 340i‡(gu))óV(du)M(jn) ˮ(du)|(zh)ֲM(jn)Мy(c)[17].

(du)΢ˮữM(jn) ˮM(jn)кオʽԇ(yn)ȡؚ20 Lɂ(g)ʽbø10 L󵹵ҺsˮϴɴΣһ(g)΢ˮữM(jn)ˮһ(g)΢ˮữسˮʹwe10 Lؚ⣬ÿһr(sh)gȡy(c)COD׃ֱCODo(w)@ֹؚͣ(48 h)

2 Y(ji)cӑՓ

2.1 CODȥBOD5/COD׃

ˮữˇc(din)ڌ(du)Ⱦ|(zh)W(xu)Y(ji)(gu)|(zh)ϵĸ׃ȥ[18, 19]CODȥҪӵĽúʹwЙC(j)|(zh)ijöȥҪǑҸԺzwCOD. D 2DZO(jin)y(c)A΃(ni)M(jn)ˮȥʵ׃пԿM(jn)ˮCODƽ560.1mg ·L-1ˮƽ491.6mg ·L-1ƽȥʞ11.7%. @cܶоY(ji)ՓһˮữƽCODȥʞ10%~30%[20]. M(jn)ˮˮ|(zh)(dng)^ȥЧ^F(xin)^õĿ_ؓ(f)ϵy(tng)(wn)

D 2 M(jn) ˮCODȥSr(sh)g׃

BOD5/CODǷӳUˮԵҪָ(bio)Qm(x)̎Ч. ɈD 3֪ʯUˮ(jng)^(gu)΢ˮữBOD5/CODһ̶ȵʯUˮĿ^ƽBOD5/COD12.4%. @Ҳ΢ˮữϵy(tng)l(f)]ˮữӺy|(zh)D(zhun)オ|(zh)ˏUˮĿ.

D 3 O(jin)y(c)A΃(ni)M(jn) ˮBOD5/COD׃

2.2 VFA׃

VFAǸNЙC(j)|(zh)ˮữĽKa(chn)ԓ]l(f)֬ˮữҪָ(bio)ɷӳˮữЧ[21]. D 4DZO(jin)y(c)A΃(ni)y(c)õM(jn)ˮVFAĝпԿ΢ˮữسˮVFAM(jn)ˮf(shu)(jng)^(gu)΢ˮữˮa(chn)O(jin)y(c)A΃(ni)ƽ23.0%. a(chn)Ч@c΢ˮữM(jn)ˮpH׃һµpHƽֵM(jn)ˮ8.37͵7.60a(chn)pH½. һ΢h(hun)M(jn)ˮữxһ픇øˮlM(jn)˵е΢cI(y)UˮЙC(j)Ă|(zh)ãˮa(chn)ЧԼ(du)a(chn)鼚(x).

D 4 O(jin)y(c)A΃(ni)M(jn) ˮVFAȵ׃

2.3 UV254׃

UV254DZˮз㻯;йܗpIY(ji)(gu)Ļȣԓָ(bio)y(c)в(jin)ٶȿ죬ɱجF(xin)Ժõȃ(yu)c(din)[22, 23]. ǵ[15]о΢h(hun)߼ˮữx(qing)yⷼЙC(j)ͺܗpIӻȥ. D 5DZO(jin)y(c)A΃(ni)M(jn)ˮUV254׃rпԿ΢ˮữM(jn)ˮUV254ƽ2.497 cm-1ˮ2.218 cm-1һ̶ȵĽ. f(shu)΢ˮữ(du)ӷyЙC(j)ͺܗpIӻһȥ.

D 5 M(jn) ˮUV254Sr(sh)g׃

2.4 (du)|(zh)׃

ͨ^(gu)(du)|(zh)ֲy(c)Y(ji)(D 6)ԿʯUˮˮ|(zh)^(f)s΢ˮữM(jn)ˮЙC(j)(du)|(zh)ֲVҪֲ(du)|(zh)С1×103(59.5%)ʹ100×103(31.8%). (jng)^(gu)΢ˮữˮЙC(j)С1×103ռߵ82.1%M(jn)ˮЙC(j)(du)|(zh)100×103͞14.0%. (jng)^(gu)΢ˮữʹЙC(j)D(zhun)СЙC(j)ʹЙC(j)@СЙC(j)@. ΢ˮữM(jn)yЙC(j)ĽĶˏUˮĿ.

D 6 M(jn) ˮ(du)|(zh)TOCռ

2.5 オ׃

΢ˮữM(jn) ˮオԵʽԇ(yn)Y(ji)D 7ʾ. (yng)ʼA(0~2 h)M(jn) ˮCOD@. (yng)2 hM(jn)ˮCODȥʞ57.8%ˮCODȥʞ57.1%CODȥҪǻ(du)ЙC(j). 2 hM(jn)뾏(2~29 h)CODȥM(jn). (yng)(ni)ؚ΢ﲻďUˮДzȡЙC(j)I(yng)B(yng)|(zh). 29~48 hڽͣ. CODĽֹͣF(xin)ߵĬF(xin). @ҪڠI(yng)B(yng)|(zh)ȱ΢M(jn)(ni)Դx(yng)(x)ѽԭ?q)COD. ԭˮCOD(jng)48 h̎ɽ102.2mg ·L-1΢ˮữˮCOD(jng)48 h̎ɽ71.5mg ·L-1. ΢ˮữM(jn) ˮM(jn)кǽ(jng)^(gu)΢ˮữA(y)̎CODȥЧ^. @Ҫڽ(jng)^(gu)΢ˮữغyĴЙC(j)ˮữбС|(zh)オ|(zh). ΢ˮữʯUˮオ.

D 7 M(jn) ˮオ

2.6 SO42-׃

΢L(zhng)ĠI(yng)B(yng)Ԫ}Ĵڅ^(gu)̵M(jn)[24]. SO42-팦(du)̎ϵy(tng)o(w)κβӰ[25]̎^(gu)жõĮa(chn)Ҫ߀ԭa(chn)ߝȵxB(ti)H2SĶԞ[26]. D 8DZO(jin)y(c)A΃(ni)SO42-ȵ׃r΢ˮữˮSO42-[(930.7±60.1) mg ·L-1]M(jn)ˮ[(854.3±41.5) mg ·L-1]. SO42-ҪԭЃɂ(g) ʯUˮձЙC(j)򻯺@ЩЙC(j)ˮa(chn)SO42-[27]; ΢ˮữ؃(ni)}߀ԭ΢h(hun)(du)}߀ԭ(SRB)a(chn)ˏ(qing)ҵĶʹˮвS2-SO32-SO42-[14, 28, 29]. ڵėl΢a(chn)ɷN(qing)|(zh)H2O2O2-@ɷN|(zh)ɷքe^(gu)øͳ绯øƉģ(yn)ԅSRBDz@ɷNø(do)‡(yn)ԅøϵ(yn)ʧ[26]΢h(hun)ǶSRBҪԭ.

D 8 M(jn) ˮSO42-Sr(sh)g׃

}߀ԭҪ|(zh)c(yng)BOD5[5]΢h(hun)}߀ԭͬBOD5ڏUˮеķeˏUˮĿ. ΢h(hun)£}߀ԭta(chn)S2-p. ɺɿ֪ˮữкͿ՚еȽpِ|(zh)a(chn)܇h(hun).wҊ(jin)ˮ̳http://www.dowater.comP(gun)g(sh)ęn

3 Y(ji)Փ

(1)΢ˮữˇ(du)CODƽȥʞ11.7%M(jn)ˮUV254ƽ2.497 cm-1ˮ2.218 cm-1һ̶ȵĽ. ԭˮCOD(jng)48 h̎ɽ102.2 mg ·L-1΢ˮữˮCOD(jng)48 h̎ɽ71.5 mg ·L-1(jng)^(gu)΢ˮữA(y)̎オ@.

(2)ʯUˮ(jng)΢ˮữˇCOD/BOD512.4%VFAƽ23.0%a(chn). V(du)|(zh)ּ(j)СЙC(j)(<1×103)ռ59.5%ߵ82.1%ЙC(j)(>100×103)ռ31.8%͵14.0%΢ˮữڴЙC(j)ĽȥˏUˮĿ.

 

(3)΢ˮữسˮSO42-ȸM(jn)ˮ΢h(hun)(du)}߀ԭ(SRB)a(chn)ˏ(qing)ҵĶ}߀ԭH2SĮa(chn)܇h(hun)