- g(sh)
MBRĤ̽BUˮ̎ߴg(sh)Ԕ
2017-04-06 16:19:29 (li)Դ 1 W(xu)W(xu)ַQ(chng)MAPͨ^(gu)аďUˮͶV}ʹUˮеNH4cMg²PO4³ˮҺз(yng)ᰴVʽMgNH4P04.6H20Ķ_(d)ȥĿᰴVQ(chng)B(nio)SʯѷӄY(ji)(gu)Ʒ(yng)ʽ:
Mg²+NH4+PO4³=MgNH4P04
Ӱ푻W(xu)̎ЧҪpHֵضԼĦ(n(Mg²):n(NH4):n(P04³-))GҵȻVc턩(du)UˮM(jn)̎Y(ji)(dng)pHֵ10VĦȞ1.2:1:1.2r(sh)̎Ч^áҲȻVc턩M(jn)оY(ji)(dng)pHֵ9.5,VĦȞ1.2:1:1r(sh)̎Ч^Aˌ(du)³F(xin)ĸߝȰЙC(j)Uˮһ|(zh)úUˮM(jn)оY(ji)MgC12+Na3PO4.12H20@(yu)턩M
(dng)pHֵ10.0ضȞ30,n(Mg²):n(NH4+):n(P04³-)=1:1:1r(sh)30minUˮа|(zh)ȏ̎ǰ222mg/L17mg/Lȥʞ92.3%_ȽBˌW(xu)ҺĤY(ji)ڸߝȹI(y)Uˮ̎ڌ(du)ˇM(jn)Ѓ(yu)ėl£ʹȥ_(d)98.1%Ȼ(lin)ҺĤM(jn)һ̎ʹ䰱Ƚ͵0.005g/L_(d)(gu)һ(j)ŷŘ(bio)(zhn)Ȍ(du)W(xu)M(jn)˸M(jn)оMg²Ķr(ji)x(Ni²Mn²Zn²Cu²F(xin)e²)(du)ȥЧ(du)@UˮwϵCaSO4—MAP¹ˇY(ji)Ԍ(sh)F(xin)ʯȡy(tng)NaOH{(dio)(ji)
W(xu)ă(yu)c(din)Ǯ(dng)Uˮ^ߕr(sh)(yng)ܵc(din)ȻĤxxӽQȣ˕r(sh)ȲûW(xu)M(jn)A(y)̎;W(xu)ȥЧ^Ҳܜض(jin);γɺHVij(f)Ϸ(sh)F(xin)UĶһֳɱ;cһЩa(chn)}UˮĹI(y)I(y)Լa(chn)}uI(y)(lin)ϣɹ(ji)sˎM(fi)ڴҎ(gu)ģ(yng)
W(xu)ȱc(din)FVܶȷeUˮеİ_(d)һȺͶˎtȥЧ@ʹͶɱ˻W(xu)cm̎ķʹ;ˎʹa(chn)^̎ɱƫ;Ͷˎr(sh)˵xӺɶȾ
2 Ó
Óȥͨ^(gu){(dio)pHֵAʹUˮеİxD(zhun)ʹҪxΑB(ti)ͨ^(gu)d⌢xďUˮЎĶ_(d)ȥĿӰ푴ÓЧʵҪpHֵضȡҺwʼȵĿǰÓڸߝȰUˮ̎еđ(yng)^
ıȌ(du)ÓȥBVҺеİM(jn)оl(f)F(xin)ƴÓЧʸߵ͵P(gun)IǜضҺȺpHֵˮش2590Һ3500pH=10.5(du)ڰȸ_(d)2000-4000mg/LBVҺȥʿ_(d)90%ϡˌ(du)(NH4)2S0ĸߝȰUˮM(jn)оY(ji)(dng)pH=11.5ÓضȞ80cCÓr(sh)g120minUˮаÓʿ_(d)99.2%_˲Ó(du)ߝȰUˮM(jn)дÓY(ji)ÓЧSpHֵ߶;ҺԽÓ|(zh)Ƅ(dng)ԽÓЧҲS֮
ÓȥЧ^(jin)ڿ(du)ڴÓİՄɵX(qin)ƳɻʹÓĿǰõﻯÓg(sh)ÓһЩȱc(din)紵Ó(ni)(jng)Y(ji)ؕ͜r(sh)ȥЧʵÓĚwγɶȾȡÓһcUˮ̎(lin)\(yn)ôÓ(du)ߝȰUˮA(y)̎Ó̎UˮˇD1
D1Ó̎Uˮˇ
3 W(xu)
3.1c(din)Ȼ
c(din)ȻęC(j)Țc(yng)ɟo(w)ĵ?d)N2˴ʹ(yng)ԴM(jn)С䷴(yng)ʽ飺
NH4+1.5HOCl→0.5N2+1.5H20+2.5H+1.5Cl
(dng)ȚͨˏUˮ_(d)ijһc(din)r(sh)ˮxȺ^ͣĝȽ;Țͨ^(gu)ԓc(din)r(sh)ˮxȵ͕(hu)ӣQ(chng)ԓc(din)c(din)ԓB(ti)µȻQ(chng)c(din)Ȼl(wi)Ȳc(din)Ȼ̎Óĺ@Uˮ̎ЧֱܵǰðÓˇЧӰ(dng)Uˮ70%İ(jng)Óˇȥٽ(jng)c(din)Ȼ̎ˮ|(zh)<15mg/L|(zh)Ȟ100mg/LİģMUˮо(du)оY(ji)Ӱ푴cÓ?yn)c(yng)r(sh)gpHֵ
c(din)ȻÓЧʸȥʿ_(d)100%ʹUˮаĝȽ͞;Ч(wn)ܜضӰ;ͶYO(sh)(yng)Ѹȫ;(du)ˮwc(din)Ȼm÷鰱Uˮ<40mg/Lc(din)ȻڰUˮ̎c(din)ȻҺȰȫʹúAҪ̎ɱ⸱a(chn)ȰȴЙC(j)(hu)ɶȾ
3.2
ͨ^(gu)һضȡ(jng)՚ʹˮеЙC(j)ͰքeֽCO2N2H2Oȟo(w)|(zh)_(d)Ŀ
Ӱ푴̎Чдض(yng)r(sh)gpHֵ菊(qing)ȵо˳Ľ^(gu)Y(ji)(dng)pHֵr(sh)a(chn)һN(qing)HOBɻ@ӿWо܌Ɂ}܌}}ˮwеİSr(sh)gӶȥʼs82%ӭCuO-Mn02-Ce02(f)ϴ̎Uˮ
(sh)(yn)Y(ji)Ƃď(f)ϴ@ߣm˵šl255,4.2MPapH=10.8̎ʼȞ1023mg/LİUˮ150min(ni)ȥʿ_(d)98%_(d)(gu)Ҷ(j)((50mg/L)ŷŘ(bio)(zhn)Gͨ^(gu)оX(qin)Һеİʌ(du)ʯؓ(f)dTiO2ĴM(jn)˿
Y(ji)Ti02/ʯ*Ͷ1.5g/L·(yng)4h.(du)Uˮİȥʿ_(d)98.92%Aо˸Fc{J(lin)Ì(du)yЙC(j)ﱽӺͰȥЧY(ji)(du)Ȟ50mg/LİҺ(dng)pH=9.0r(sh)(sh)ʩ{JcF(lin)ȥʞ97.5%ȆΪ(d)øFΪ(d)ü{Jքe7.8%22.5%
ЃЧʸ̺(jin)ռeٵc(din)̎ߝȰUˮ(yng)yc(din)ηֹʧԼ(du)O(sh)ĸgo(h)
3.3늻W(xu)
늻W(xu)ָþдԵ늘OȥˮȾķӰܶȡM(jn)ˮˮÕr(sh)gc(din)r(sh)g
о˺Uˮѭh(hun)(dng)ʽ늽е늻W(xu)(yng)OT(mn)i/Ru02-TiO2-Ir02-SnO2W(wng)늘OꎘOW(wng)늘OY(ji)xӝȞ400mg/LʼȞ40mg/LM(jn)ˮ600mL/minܶȞ20mA/cm²늽r(sh)g90minr(sh)ȥʞ99.37%늽Uˮ^õđ(yng)ǰ
4
4.1y(tng)Óg(sh)
y(tng)ڸN(jng)^(gu)һϵз(yng)UˮеİD(zhun)鵪?d)Ķ_(d)UˮĿy(tng)ȥҪ(jng)^(gu)ɂ(g)A*AΞ^(gu)lD(zhun)遆}};ڶAΞ鷴^(gu)ڟo(w)l£ˮе}́}D(zhun)鵪?d)y(tng)ȥęC(j):
̑(yng)ҪA/0A~2/O,UCT,ԼSBRˇÓI(y)Б(yng)^ķӰÓg(sh)Ҫ:PHֵضȡܽЙC(j)̼ԴB˲ﻯһˮữһA/0(/)MϷ̎Uˮ̌(sh)`ԓˇ\(yn)з(wn)̎Чãˮˮ|(zh)_(d)GB8978-1996Ҏ(gu)еĶ(j)(bio)(zhn)
ֻW(xu)I(y)F(tun)˾ˮ̎SA/0̎CϏUˮȥ_(d)68%ˌ(du)(j)ȱһÓg(sh)ζИI(y)Uˮ̎еđ(yng)M(jn)Йzy(c)Y(ji)̎Чm(x)(wn)ȥʿ_(d)94%(sh)F(xin)ζUˮ_(d)(bio)ŷҪ
y(tng)̎UˮЧ(wn)(jin)a(chn)Ⱦɱ^͵ȃ(yu)c(din)ԓҲһЩ箔(dng)UˮC/Nֵ^͕r(sh)a(b)̼Դ(du)ضҪ(du)(yn)ؕ͜r(sh)ЧʵռeЩк|(zh)ؽxӵȌ(du)ЉM(jn)֮ǰȥUˮ^(gu)ߌ(du)^(gu)Ҳa(chn)̎ߝȰUˮǰ(yng)M(jn)A(y)̎ʹUˮС300mg/Ly(tng)m̎ЙC(j)ĵ͝ȰUˮˮUˮ
4.2Óg(sh)
4.2.1ͬr(sh)(SND)
(dng)cͬһ(g)(yng)ͬM(jn)Еr(sh)Q(chng)ͬr(sh)(SND)UˮеܽܔU(ku)ɢٶwĤϵh(hun)^(q)a(chn)ܽݶʹwĤܽݶȣںͰL(zhng)ֳԽwĤ(ni)ܽԽͣa(chn)ȱ^(q)ռ(yu)(sh)Ķγͬr(sh)^(gu)Ӱͬr(sh)PHֵضAЙC(j)̼Դܽg
ˌ(sh)(yn)СԇCCarrouselͬr(sh)/F(xin)Carrouselؚ~݆֮gܽu͵ģCarrouselܽόڜϵĸB(ti)γɺٶȎϵаʼKֺܵ͵ĝȣ@ͱ(yng)Carrouselͬr(sh)l(f)ϵоˮ̎J(rn)CODCrԽԽȫTNȥЧԽܽ(du)ͬr(sh)Ӱ^ܽ0.5~2mg/Lr(sh)ȥЧ
ͬr(sh)(ji)ʡ(yng)s̷(yng)r(sh)gܺĵͣͶYʡױpHֵ(wn)
4.2.2̳
̳ͬһ(g)(yng)ėl£ð(x)Ɂ}ȻȱėlЙC(j)̼Դӹw}ֱM(jn)зɵ?d)⡣̳ӰМضxpHֵܽ
OԽܵо˜ضȌ(du)ˮijˮͺ30%ˮijˮ̳Ӱԇ(yn)Y(ji):(du)ڲˮijˮߜضڌ(sh)F(xin)̳ˮкˮ30%r(sh)Мؗl¿^õ،(sh)F(xin)̳DelftI(y)W(xu)_(ki)l(f)SHARONˇøߜ(s30-4090)ځֳc(din)ʹʧȥ(jng)(zhng)ͬr(sh)ͨ^(gu)g̭ʹ(yng)̎ځA
(j)c(du)HIJͬGentB(ti)(sh)(yn)_(ki)l(f)OLANDˇͨ^(gu)̭ܽ(li)(sh)F(xin)ᵪķe˲ö̳̎UˮԇY(ji)M(jn)ˮCOD,,TNͷӵĝȷքe1201.6,510.4,540.1110.4mg/Lr(sh)ˮCOD,,TNͷӵƽȷքe197.1,14.2,181.50.4mg/L(yng)ȥʷքe83.6%,97.2%66.4%99.6%
̳^(gu)̲(jng)v}A(ji)sÓ̼Դ(du)ڵC/NȵİUˮһă(yu)(sh)̳(yng)r(sh)g̣(ji)s(yng)weȃ(yu)c(din)̳Ҫ(wn)־õā}eۣЧĻԳɞP(gun)I
4.2.3
ȱl£ԁB(ti)B(ti)wB(yng)ֱ鵪?d)^(gu)
صо˜ضȺPHֵ(du)ԵӰ푣Y(ji)ԓ*ѷ(yng)ضȞ30,pHֵ7.8ʴ˿˅(yng)̎}ߝȺUˮĿY(ji)}@ƅԣ@Nƾп30g.L-1(NaC1Ӌ(j))}ȗl£δZąԱȌ(du)(o(w)}ˮ|(zh)l)67.5%;ZąԱȌ(du)յ45.1%ɸ}ȭh(hun)D(zhun)Ƶ}ȭh(hun)o(w)}ˮ)r(sh)ZąԿ43.1%(yng)L(zhng)\(yn)ڸ}ȗl׳F(xin)˥
cy(tng)ȣo(w)̼Դͣo(w)ԇM(jn)кa(chn)٣^(jng)(j)Óg(sh)ȱc(din)Ƿ(yng)ٶ^跴(yng)ݷe^̼Դ(du)(du)ڽQԲİUˮЬF(xin)(sh)x
5 Ĥx
ĤxĤx^(gu)Ԍ(du)ҺwеijɷM(jn)xԷxĶ_(d)ÓĿB{V늝BӰĤxĤ늉pHֵضԼȵ
S˸(j)ϡұSŷŰUˮˮ|(zh)rNH4C1NaCIģMUˮM(jn)˷B(du)Ȍ(sh)(yn)l(f)F(xin)ͬl·B(du)NaCI^ȥNHCl^ߵĮa(chn)ˮUˮ(jng)B̎NH4C1ȥʞ77.3%鰱UˮA(y)̎Bg(sh)Թ(ji)sԴ᷀(wn)^ãȾԲ
܊Ȳһ{VĤxˇ̎BrҺʹ85%~90%^(gu)Һ_(d)(bio)ŷH0%~15%ĝsҺ{Ozturkiˌ(du)OdayeriBVҺ(jng){VĤ̎ȥʼs72%{VĤҪĉȷBĤ
늝Bʩ(yng)Ĥ(du)֮g늉ȥˮҺܽĹwUˮеİxӼx늉£ͨ^(gu)ĤںĝˮиĶ_(d)ȥĿȵȲ늝B̎ߝȰo(w)C(j)Uˮȡ^Ч(du)Ȟ2000--3000mg/LUˮȥʿ85%ͬr(sh)ɫ@8.9%ĝⰱˮ늝B\(yn)^(gu)ĵcUˮаȡ늝B̎UˮpHֵضȡ(jin)
Ĥxă(yu)c(din)ǰʸߣ(jin)̎Ч(wn)o(w)Ⱦ̎ߝȰUˮr(sh)ʹõıĤY(ji)ϴl̎ɱԓ^mڽ(jng)^(gu)A(y)̎Ļе͝ȵİUˮ
Ĥ(MBR)nj̎cĤxЙC(j)Y(ji)ϵһNˮ̎g(sh)lO(sh)Ӌ(j)Ĥĵą//MϹˇM(jn)ԇоڷ(wn)\(yn)Aοˮͣr(sh)gƽ84h,سˮƽlmg/Lȥʞ99.5%_(d)˹ܾW(wng)Ę(bio)(zhn)ĤÓЧʸռeСˮֱѭh(hun)ʹõ̎cĤxĹͬ(yu)c(din)\(yn)ĤҪעⱣĤ^ͨͷֹĤĝB©
6 xӽQ
xӽQͨ^(gu)(du)xӾк(qing)xõIJȥUˮаķõл̿ʯÓʯQ(sh)֬ȡʯһNSgY(ji)(gu)ĹX}Ҏ(gu)tĿY(ji)(gu)ͿѨбl(f)ʯ(du)xЏ(qing)x҃r(ji)ͣ˹ϳбl(f)ʯ鰱UˮӰбl(f)ʯ̎ЧM(jn)ˮ|r(sh)gpHֵȡ
Nо4N(Ȼʯʯ)(du)ОY(ji)ʯ(du)Ч@ʯ֮cЧ^ʯȥ;xӽQÞúСʯ3NϵxӽQúõЧஔ(dng)4NϵڜضȞ15-35(ni)Sضȵ߶pСpHֵ3-9(ni)SpHֵ߶ʎ6h_(d)ƽY(gu)̽ӑ˷ʯȥBVҺаԡ
СԇоY(ji)ÿ˷ʯ15.5mgĘOޝ(dng)ʯ30-16Ŀr(sh)ȥ_(d)78.5%r(sh)gͶʯͬrM(jn)ˮԽԽʯȥBVҺеİǿеͬr(sh)ָʯ(du)ٶ^ڌ(sh)H\(yn)зʯһy_(d)صоʯ(du)ģM(zhn)ˮиΑB(ti)CODȾȥЧY(ji)ʯ(du)ȥЧ@ҷ(wn)ȥʴ95%(du)B(ti)ȥtˮͣr(sh)gӰ^
xӽQͶYСˇ(jin)(du)͜ضȲʯ(jng)؏(f)õȃ(yu)c(din)̎ߝȰUˮr(sh)lo(li)ˣҪcķ(lin)ϑ(yng)͝ȰUˮ
7
nj͝ȰUˮֱʹõķ(du)ЩвؽЙC(j)o(w)C(j)к|(zh)İUˮ轛(jng)A(y)̎팢ȥM(jn)йҪһʮÿ
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