anaerobic zone

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SECONDARY RELEASE OF PHOSPHORUS• In Anaerobic basin when SCVFA is depleted – mixed liquorgoes truly anaerobic• In Anoxic zone when nitrates are depleted – mixed liquorgoes anaerobic• In 2nd Anoxic zone when nitrates are depleted• In final clarifiers when nitrates are depleted10/8/2012
GLYCOGEN ACCUMULATING ORGANISMS (GAO)COMPETES WITH PAOANAEROBICPhosphorusAEROBICGNPHVGlycogenPHVVFA10/8/2012
Page 1 and 2: IWEA 2012 NUTRIENT REMOVALAND RECOV
Page 3 and 4: B&V - ‹#›CHEMICALS, BIOLOGICAL
Page 5 and 6: COMBINED BIOLOGICAL AND CHEMICALPRO
Page 7 and 8: Concentration of P inmg/LRESULTS FR
Page 9 and 10: BIOLOGICAL PHOSPHORUS REMOVAL•A t
Page 11 and 12: BIO-P ORGANISMS OXIDIZE PHA AND REM
Page 13 and 14: TOGETHERFuhs & Chen, 197510/8/2012
Page 15: Secondary Release10/8/2012
Page 19 and 20: GAO OUT-PERFORM PAO WHEN1. The temp
Page 21 and 22: VSSISSSoluble ParticulateBOD = 0.58
Page 23 and 24: COD/P ratioESTIMATE OF VFA AND RBCO
Page 25 and 26: VOLATILE FATTY ACIDS CAN COME FROMS
Page 27 and 28: DETERMINATION OF rbCOD (Fbs)10/8/20
Page 29 and 30: CONFIGURATIONSThe plant may be desi
Page 31 and 32: FOR PHOSPHORUS AND NITROGENREMOVAL
Page 33 and 34: WESTBANK PROCESS - TAKE ALL PRE-CAU
Page 35 and 36: EXAMPLES OF ACID FERMENTATION OFPRI
Page 37 and 38: STATIC FERMENTERPrimary tankVFAto d
Page 39 and 40: TO PROTECT PAO• Reduce the SRT to
Page 41 and 42: GETTING RID OF SCUMScum FormationAn
Page 43 and 44: VOLUMETRIC SRT CONTROL &SELECTIVE W
Page 45 and 46: OPTIMIZING ANAEROBIC ZONE PERFORMAN
Page 47 and 48: MIXERS - DO AND DON’TB&V - 55
Page 49 and 50: CHIMNEYS FOR MIXING - AVOIDSHORT-CI
Page 51 and 52: GOOD DO REQUIRED FOR PHOSPHORUSUPTA
Page 53 and 54: B&V - 63NUTRIENT PROFILING08/06/08
Page 55 and 56: B&V - 65FERMENTATION OF MIXED LIQUO
Page 57 and 58: STROUD ET ALSOUTH CARY NC - WEFTEC
Page 59 and 60: BPR OPERATION AT ST CLOUD MNUNDER-A
Page 61 and 62: CAROUSEL PLANT HENDERSON NV60 ML/D
Page 63 and 64: Phosphorus (mg/L)RESULTS FROM HENDE
Page 65 and 66: PUMPING BACK FROM SIDE-STREAMFERMEN
Page 67 and 68:
B&V - 77PHOSPHORUS RECOVERY08/06/08
Page 69 and 70:
PHOSPHORUS IN RETURN STREAMS• In
Page 71 and 72:
THE NUTRIENT MERRY-GO-ROUNDNitrogen
Page 73 and 74:
Phosphorus is a limitedresource23,0
Page 75 and 76:
MULTIFORM - HARVESTBoise ID 40 mgdC
Page 77 and 78:
STRUVITE TO FERTILIZER PLANT
Page 79 and 80:
INCINERATOR ASHDeposit indedicateds
Page 81 and 82:
BACKYARD GARDEN - KAMPALAUGANDA
Page 83:
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