Դ ҕl̖WATERCNWW1985
Դ ҕl̖WATERCNWW1985


w@༼gAGS߹wԣʡȥռe^Ķճc@ĻOʩHͬrȥ̼ț@Ⱦɜp75%ռeĿǰAGSgȫȵĹ̑_70҂ڇȵ̰Ҋ\̖2021427£ʵ | w@̼w@Ӧógԭ⣬SBRģʽʹ䲻̫ɵСɹ-ҺˮȻǶBmӦw@ĿҲȫûпܣ鲢еSBRw@෴Ӧʵɹһ“”ӦͽĿMark an Loosdrechtȸոգ127գڡScienceĹ۵——Intensifying existing urban wastewaterAGSgơӦ״ԼδAGSgз롣
ԭ朽ӣhttps://www.science.org/doi/10.1126/science.abm3900
| Ȼ ԶԶ
Sȫ˿ڳmLˮYԴȫͿɳmlչRһϵcˮ֮ѭhϢϢPĹ̆}⣬ˮI_ɹR@ˮһNҿɳmYԴ/ԴdwHṩ|ˮ߀ͨ^YԴ/ԴȜp̎OʩռecġȻаlmļgQFĿҪŬڴ˷棬w@ࣨAGSgƺǽQ}x֮һügܹͬʱȥգ̼ףͬʱügռɼٶ75%
Ŀǰ55%˿ھסڳе^AӋ2050꣬@һ68%@ʹ@ˮ̎SWWTPؓȱgSU⣬ܶվoˌ@ˮРIBףȥĿЛ@ˮ̎SyˇOӋK`ӹ܁mӺӇijˮŷŘңϻĻʩӾһĽʹ¹ڴľΣ£ϻˮϵͳʩͶҪ֮֮λá磬һֱԁˮϵͳͶʲ㣬ͨһģʩ⼫ƶ˼gºͷչṩֿɿĽ
w@ĤYһNʽҪκdwLͨ^ۡۼγɵwֱһΪ0.5~2 mmٶǴͳ״@10~15ڴˣɽ״@ѡԴϵͳųWash outԸw@࣬߹-ҺЧʡAGSһٳ߹ŨȵԿɽԪڴԪ֮ڣӶʡȥռϴĶغͺĻʩpS^ռeK˷\̎Ч
ڴͳԛ@ϵͳУ@ͨѭڶͬӦأɶCNPȥĩ˻Ҫˮ롣w@ṹȺֲ (PAO)ԭ (GAO) ɲ״ֲΪһֲw@ḻĵطɰᵪתPAOɺڿڲȱ㣩ɽᵪԭΪΡЭɶCNPתȥʵˮʾĿġһʽŵǣͨ^EBPR^γɵwҪȻڮBγɵwܡԸ
ˣΪ̭ﲢٽԻPAO GAOĸγĤڅͺl½\νˮʽֱӽˮͨѳw@ലעɡw@ͬrȥIBڷxԣԌ@Ⱦȥ^һʽSBRУOpռؿgKrf\УஔڂyBm\ģʽ
״@w@ӪDZw@֮ɻտ^ǵWrIоõrֵAGSĸ߹wҲṩ˗lͨʣw@ҺӶͨ^Ļ^ˣAGSgҪݵõˮṩһЧ
ĿǰAGSgȫΧڵĹӦѴﵽ70ǣSBRеģʽʹ䲻ɵСڳɹҺˮСˣҪ뽫ͳBmAGSgգòͣˮܣҲѺáǰһͳEBPRӦ۲쵽PAOw@࣬ƺBmЌF@wҪAˣEBPRϵͳͨһ-״@ѡǿϸ磬PAOGAOĸǿǽAGS gϽBmһֽ

w@ϵͳƬɫͷPAOɫϵͳң
ƬԴSTEPHNY WEI/ʢٴѧ
BmЌF@wһNOʳSѷĺhȻһҲԲw@ʵʩҪϷǿĿѡΪֹBmҪѡѹǻڳٶȣгٽϿĿͨҺⲿ豸ϵͳУͨϴĿӷѭٽ GAOPAOԽһٽw@γɡ
ȻBmнЛ@wٺܶս磬״@w@ͣʱ䡣⣬1㹻̼ԴǿGAOPAOĸ2ͻϽԣ3״w@ߴֲԴɢӰ죻4ƽⲻͬľ5ˮԴգرκۺ
ܵ˵ˮһ͵ķչӿɳչսw@༼gƺṩ˷ܵĽڴʩѾʱҼˮ˵SBRģʽеAGSѡAGSʺԴ״̬иǿлʩĹ
ߺ飺
Mark van Loosdrecht—ĿڣѧӦÿѧѧԺ\gϵϵΡڣˮﴦգرǻ\gרңmʼҿƌWԺcԺpԺʿҹԺԺʿЇԺ⼮ԺʿK@ˮ̎Iߪ֮һ¼ҫˮ˹¸砖Ħˮ

ԴˮI̼кYӍ
^ϵyоPAOscǾGAOsĴxģͲK߸PIӰء
yA²Oˇڵìc
1@gì
Ƕȷכ@ŷʵϵͳΨһ
ʱһ PAOs Դʹԭ GlycogenĴӰεռ -β- ǻᣨPHAs棬ϵͳ½ʱɸכ@Ķͷţһ棬SRT ҲӰ쵽ϵͳ PAOs ;ǾGAOs
30 ij䣨SRT≈ 10 dУGAOs εʸPAOsʹϵͳռλӰ PAOs Ϊijַӡ
2̼Դ}DO֔_
ڴͳA²/OѵϵͳУ̼ԴҪסлȷ棬ͷˮ̼ԴⲿֵĺкܴϵһԣҪͬʱѵͳ̣ˮ̼ȣBOD5 /ρ(TN)45̼ױȣBOD5 /ρ(TP)2030
̼Դڴʱǰ PAOs սˮлӷ֬ᣨVFAsⷢͲϸ PHAs ĺϳɣʹúȱû㹻̼ԴƷDZijַӣϵͳ TN ѳЧʡ
̼Դͼ״ VFAs Ϊ̼ԴʱķʷֱΪ 1748 120900 mg/(g·d)@ PAOs елзѵУӰϵͳĸЧȥ
һ㣬 NO3-N Ũȣ1.0 mg/L ʱ PAOs ײƣﵽ 34 mg/L ʱPAOs ΪȫƣףPO4 3--Pʽ 2.4 mg/(g·d)
ջλõIJͬܽDO֔_Ҫ
1ӷ̬O2ΣNO3-N Ϊݷ O2 ΪIJԼΪ NO3-N 1.5 ˵ϵͳͬʱ O2 NO3-N ʱͨ O2 Ϊвܴл
2Ĵƻ PAOs “ѹ”ʹ O2 Ϊյ䷢ͲãͷţͬʱҲº PAOs ̼Դ
һ DO ŨӦϸ 0.2 mg/L ¡ijρ˵μ DO ̹ǹܾ̼Դľ⡣
yA²OˇM
1 SRT ìܵĸʽ
о@ SRT Ϊ 5 d ʱʽ A²/O յЧ봫ͳ A²/Oȣ ߵЧԲ죬ʽ A²/Oյ ϲȫطܣٽ@ SRT ϵͳ@ຬĽʹ λۣӰͷš
2“̼Դ”Ƕȵš
ͳ A²/O̼Դκ DO ⣬Ҫ 3 棺
-
̼ԴȡĽԣ粹̼Դ ·̼Դ絹 A²/Oգȣ
-
θĹոĸ JHBUCTMUCT ȹգ
-
DO ס⣬ ںĩʵݻ“”
aa̼Դ
̼Դڲıԭйճṹ˳£Զˮʲ̼ԴӦʩһ㹩ѡ̼ԴɷΪ 2 ࣺ
1״ҴǺcЙC
2л̼Դ@Һ ľмݷ㼰̼ԴĹҵˮȡࡢάصȸ̼ʶԣԵͷ̼ˮ磬״ƵȣΪ̼Դкϳɴлʱϴʹô̼Դзֽл練ȡ
κ̼ԴͶӶҪʹϵyһmڣ_AڵЧ
Ҫìѡʵ̼ԴͶӵϵͳȶкͽܽҪһͶ̼ԴܸϵͳЧҿǿϵͳķDZܣ̼Դزʹϵͳ TN ѳǷʱ ӦȿȱͶӡ
b A²/O ˇˇ
ͳ A²/OϵͳķΪǰᣬȿ̼ԴڹǰˣȱãױdzյĿڡ
ӳǶȷ֪ A²/O ջ 2 ƣ
-
“ЧӦ”PAOsֱӽ Чʽϸߵĺγɵ Եõֵá
-
“ȺЧӦ” ě@ྭס̡ȻоΪ A2 /O յIJʽ
cJHBUCT UCT
ֵˮ A2 /O ȣJHB A+ A2 /O գ UCT յƳͨıλԽΡDOס
JHB еĵصѳҪڛ@෴ȱߵѳ൱ @෴øı˵ڸķʹܹõרעס
JHB
뵹 A2 /O ͬڵ C/N ˮԣ JHB ՛@෴ÿܻ̼Դ㣬ΪҲбҪ÷ֵˮʽ
뵹 A2 /O ղͬUCT ڲı䴫ͳ A2 /O ոռλõ£@Ȼȱʹ侭ѵͨȱĻҺ˻@ΡDO ĸš
UCT
ڽˮC/Nе£ȱķÿʹĻҺεĺӽ0ˮC/Nϵʱ UCTеȱʵֵȫѳ вνֲ˸UCTգMUCT
UCTȣMUCTͳ A2 /O ȱָΪ 2 ǰȱ܁ صĻ@࣬ȱܺҺ Ӷʹ@ķڻҺķ ȫ룬һζӰ졣
MUCTˇwˇ̈D
UCTMUCTϵͳĸıǿ ȱĽ滷ʹJHBһȱPAOsʵͬѵס
3SRTìܼ“̼Դ”ˇ
һ˫@ѵ
˫@ѵգPASFҲνǴͳ A2/O ˳أBAFϹգ ԷΪ˫ϵͳܸõԻӪʼռ
ڹƼйУͨǰ A2 /O պ HRT̴з˳“”ڶغ˵ BAF
PAOs ԣǰ˵ě@Ԫеܣ@вΣΪ PAOs ״õ“ѹ”ʹԭˮе VFAs ʺϳ PHAs ͷף
ߣҲSRTĤʽϱSRT PAOsͷ̬ǰ˵ě@Ԫʵ뷴PAOs ȹ SRT룬SRTìܡ
ȱЧҪ2ȱ̼ԴVFAs PHAs BAF ڻҺеκ
ˮ C/N ϸʱγΪӣڻȵȱЧҲӦߣ߷ȴʵݼƣ
ˮ C/N ϵʱ̼ԴΪӣͷ PAOs Եľƣʵڻ θɵķʽ̼DPAOs ʹΪ壬 PHAs Ϊӹͬѵףʵ“һ̼ ”ͬʱɽʡϵͳܺģٛ@
pѭh̎ˇ
˫ѭﴦգBICTʽԛ@෨ĻϣĤӦʹ뷴PAOs Կ˷ѵ SRT ìܼΡ DO ˮ¹գ嵥Ԫѡʽ@ӦĤӦɡ
BICTˇ̈D
ùʱҪ 4 ̣
1 ˮ + @
ԭˮصĻ@ѡڻϽӴ߸ Ȳ“ѡѹ”ɸѡԵϸ ʹ PAOs סʱӦ £ COD ȥ PAOs ijף
2ȱ + Һ
܁ĤҺڙCе£ɷÓͬrDĻҺMճأշxҺMĤ
3ؚ⣨x
ћ@аĵˮ룬Ҳ ǿ PAOs ĺף
4oֹաˮ
ֹͬʱųכ@ࡣ˹նӦԪ SRT ĸ߶ȹԣSRT ӰϵͳѵЧ ӡ
BCFS
BCFS գBiologische Chemische Fosfaat Stikstof verwijdering ʵȫȥ͵ѳ
BCFSˇ̈D
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