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Review Article

Aerobic granular sludge: characterization, mechanism of granulation and application to wastewater treatment

, , &
Pages 137-152 | Received 31 Mar 2010, Accepted 29 May 2010, Published online: 04 Oct 2010

References

  • Adav SS, Chen MY, Lee DJ, Ren NQ. (2007). Degradation of phenol by aerobic granules and isolated yeast Candida tropicalis. Biotechnol Bioeng, 96, 844–852.
  • Adav SS, Lee DJ, Lai JY. (2007a). Effects of aeration intensity on formation of phenol-fed aerobic granules and extracellular polymeric substances. Appl Microbiol Biotechnol, 77, 175–182.
  • Adav SS, Lee DJ, Ren NQ. (2007b). Biodegradation of pyridine using aerobic granules in the presence of phenol. Water Res, 41, 2903–2910.
  • Adav SS, Lee DJ, Tay JH. (2007c). Activity and structure of stored aerobic granules. Environ Technol, 28, 1227–1235.
  • Adav SS, Lee DJ, Lai JY. (2008). Intergeneric coaggregation of strains isolated from phenol degrading aerobic granules. Appl Microbiol Biotechnol, 79, 657–661.
  • Adav SS, Lee DJ. (2008a). Physiological characterization and interactions of isolates in phenol degrading aerobic granules. Appl Microbiol Biotechnol, 78, 899–905.
  • Adav SS, Lee DJ. (2008b). Single-culture aerobic granules with Acinetobacter calcoaceticus. Appl Microbiol Biotechnol, 78, 551–557.
  • Adav SS, Lee DJ. (2008c). Extraction of extracellular polymeric substances from aerobic granule with compact interior structure. J Hazard Mater, 154, 1120–1126.
  • Adav, SS, Lee DJ, Lai JY. (2010). Potential cause of aerobic granular sludge breakdown at high organic loading rates. Appl Microbiol Biotechnol, 85, 1601–1610.
  • Arrojo B, Mosquera Corral A, Garrido JM, Méndez R. (2004). Aerobic granulation with industrial wastewater in sequencing batch reactors. Water Res, 38, 3389–3399.
  • Beun JJ, Hendriks A, Van Loosdrecht MCM. (1999). Aerobic granulation in a sequencing batch reactor. Water Res, 33, 2283–2290.
  • Carucci A, Milia S, De Gioannis G, Piredda M. (2009). Acetate-fed aerobic granular sludge for the degradation of 4-chlorophenol. J Hazard Mater, 166, 483–490.
  • Cassidy DP, Belia E. (2005). Nitrogen and phosphorus removal from an abattoir wastewater in a SBR with aerobic granular sludge. Water Res, 39, 4817–4823.
  • Chen MY, Lee DJ, Tay JH. (2007). Distribution of extracellular polymeric substances in aerobic granules. Appl Microbiol Biotechnol, 73, 1463–1469.
  • de Bruin LMM, de Kreuk MK, van der Roest HFR, Uijterlinde C, van Loosdrecht MCM. (2004). Aerobic granular sludge technology: an alternative to activated sludge. Water Sci Technol, 49, 1–7.
  • de Kreuk MK, van Loosdrecht MCM. (2004). Selection of slow growing organisms as a means for improving aerobic granular sludge stability. Water Sci Technol, 49, 9–17.
  • de Kreuk MK, McSwain BS, Bathe S, Tay J, Schwarzenbeck STL, Wilderer PA. (2005). Discussion outcomes. Ede. In: Aerobic granular sludge, water and environmental management series. Munich: IWA Publishing, 165–169.
  • de Kreuk MK, Pronk M, van Loosdrecht MCM. (2005a). Formation of aerobic granules and conversion processes in an aerobic granular sludge reactor at moderate and low temperatures. Water Res, 39, 4476–4484.
  • de Kreuk MK, Kishida N, van Loosdrecht MCM. (2007). Aerobic granular sludge – state of the art. Water Sci Technol, 155, 79–81.
  • de Kreuk MK, Picioreanu C, Hosseini M, Xavier JB, van Loosdrecht MCM. (2007a). Kinetic model of a granular sludge SBR: Influence on nutrient removal. Biotechnol Bioeng, 97, 801–815.
  • di Iaconi C, Ramadori R, Lopez A, Passino R. (2006). Influence of hydrodynamic shear forces on properties of granular biomass in a sequencing batch biofilter reactor. Biochem Eng J, 30, 152–157.
  • di Iaconi C, Ramadori R, Lopez A, Passino R. (2007). Aerobic Granular sludge systems: The new generation of wastewater treatment technologies. Ind Eng Chem Res, 46, 6661–6665.
  • Dolfing J. (1987). Microbiological aspects of granular methanogenic sludge, Ph.D Thesis, Agricultural University, Wageningen, The Netherlands.
  • Dulekgurgen E, Ovez S, Artan N. (2003). Enhanced biological phosphate removal by granular sludge in a sequencing batch reactor. Biotechnol Lett, 25, 687–693.
  • Dulekgurgen E, Yilmaz M, Wilderer PA. (2008). Shape and surface topology of anaerobic/aerobic granules influenced by shearing conditions.4th IWA Specialized Conference on Sequencing Batch Reactor Technology, Roma, Italy, 7–10 April 2008, 311–320.
  • Figueroa M, Mosquera Corral A, Campos JL, Méndez R. (2008) Treatment of saline wastewater in SBR aerobic granular reactors. Water Sci Technol, 58, 479–485.
  • Gao DW, Lin L, Liang H, Wu WM (2010). Aerobic granules developed with different granulation enhancement strategies in sequencing batch reactor. J Hazard Mater, (under review)
  • Gilda C, Paulo C, Adrian O, Maria AM. (2007). Denitrifying phosphorus removal: Linking the process performance with the microbial community structure. Water Res, 41, 4383–4396.
  • Heinaru E, Truu J, Stottmeister U, Heinaru A. (2000). Three types of phenol and p-cresol catabolism in phenol- and p-cresol-degrading bacteria isolated from river water continuously polluted with phenolic compounds. FEMS Microbiol Ecol, 31, 195–205.
  • Hickey RF, Wu WM, Veiga MC, Jones R. (1991). The start-up, operation and monitoring of high-rate anaerobic treatment systems. Water Sci Technol, 24, 207–255.
  • Ho KL, Chen YY, Lin B, Lee DJ. (2010). Degrading high-strength phenol using aerobic granular sludge. Appl Microbiol Biotechnol, 85, 2009–2015.
  • Imajo U, Tokutomi T, Furukawa K. (2004). Granulation of anammox microorganisms in up-flow reactors. Water Sci Technol, 49, 155–163.
  • Jiang HL, Tay JH, Tay STL. (2002). Aggregation of immobilized activated sludge into aerobically grown microbial granule for the aerobic biodegradation of phenol. Lett Appl Microbiol, 35, 439–445.
  • Jiang HL, Tay JH, Liu Y. (2003). Ca2+ augmentation for enhancement of aerobically grown microbial granules in sludge blanket reactor. Biotechnol Lett, 25, 95–103.
  • Jiang HL, Tay JH, Tay STL. (2004). Changes in structure, activity and metabolism of aerobic granules as a microbial response to high phenol loading. Appl Microbiol Biotechnol, 63, 602–608.
  • Jiang HL, Tay JH, Maszenan AM, Tay STL. (2006). Enhanced phenol biodegradation and aerobic granulation by two coaggregating bacterial strains. Environ Sci Technol, 40, 6137–6142.
  • Jiang HL, Maszenan AM, Tay JH. (2007). Bioaugmentation and coexistence of two functionally similar bacterial strains in aerobic granules. Appl Microbiol Biotechnol, 75, 1191–1200.
  • Jiang Y, Wen JP, Li HM, Yang SL, Hu ZD. (2005). The biodegradation of phenol at high initial concentration by the yeast Candida tropicalis. Biochem Eng J, 24, 243–247.
  • Kartal B, Kuenen JG, van Loosdrecht MCM. (2010). Sewage treatment with anammox. Science, 328,702–703.
  • Kim IS, Kim SM, Jang A. (2008). Characterization of aerobic granules by microbial density at different COD loading rates. Bioresour Technol, 99, 18–25.
  • Lee S, Basu S, Tyler CW, Pitt PA. (2003). A survey of filamentous organisms at the Deer Island Treatment Plant. Environ Technol, 24, 855–865.
  • Lemaire R, Yuan ZG, Blackall LL, Crocetti GR. (2008). Microbial distribution of Accumulibacter spp. and Competibacter spp. in aerobic granules from a lab scale biological nutrient removal system. Environ Microbiol, 10, 354–363.
  • Lei Q, Liu Y, Tay JH. (2004). Effect of settling time on aerobic granulation in sequencing batch reactor. Biochem Eng J, 21, 47–52.
  • Lei Q, Liu Y. (2006). Aerobic granulation for organic carbon and nitrogen removal in alternating aerobic-anaerobic sequencing batch reactor. Chemosphere, 63, 926–933.
  • Lettinga G, van Velsen AFM, Hosma SW, de Zeeuw W, Klapwijk A. (1980). Use of the upflow sludge blanket (USB) reactor concept for biological wastewater treatment, especially for anaerobic treatment. Biotechnol Bioeng, 22, 699–734.
  • Li AJ, Yang SF, Li XY, Gu JD. (2008). Microbial population dynamics during aerobic sludge granulation at different organic loading rates. Water Res, 42, 3552–3560.
  • Li ZH, Kuba T, Kusuda T. (2006). The influence of starvation phase on the properties and the development of aerobic granules. Enzyme Microb Technol, 38, 670–674.
  • Li XM, Liu QQ, Yang Q, Guo L, Zeng GM, Hu JM, Zheng W. (2009). Enhanced aerobic sludge granulation in sequencing batch reactor by Mg2+ augmentation. Bioresour Technol, 100, 64–67.
  • Li Y, Liu Y, Liang S, Feng C. (2008a). DO diffusion profile in aerobic granule and its microbiological implications. Enzyme Microb Technol, 43, 349–354.
  • Li Y, Liu Y, Hai LX. (2008b). Is sludge retention time a decisive factor for aerobic granulation in SBR? Bioresour Technol, 99, 7672–7677.
  • Lin LH, Jian LW, Xiang HW, Yi Q. (2005). The formation and characteristics of aerobic granules in sequencing batch reactor (SBR) by seeding anaerobic granules. Process Biochem, 40, 1–7.
  • Liu L, Gao DW, Zhang M, Fu Y. (2010). Comparison of Ca2+ and Mg2+ on enhancing aerobic granules in SBR. J Hazard Mater, 181, 382–387.
  • Liu QS, Tay JH, Liu Y. (2003). Substrate concentration-independent aerobic granulation in sequential aerobic sludge blanket reactor. Environ Technol, 24, 1235–1242.
  • Liu Y, Shu FY, Tay JH. (2002). Aerobic granules novel zinc biosorbent. Lett Appl Microbiol, 35, 548–551.
  • Liu Y, Xu H, Yang SF, Tay JH. (2003a). A general model for biosorption of Cd2+, Cu2+and Zn2+ by aerobic granules. J Biotechnol, 102, 233–239.
  • Liu Y, Yang SF, Qin L. (2003b). A thermodynamic interpretation of cell hydrophobicity in aerobic granulation. Appl Microbiol Biotechnol, 64, 410–415.
  • Liu Y, Shu FY, Tay JH. (2003c). Biosorption kinetics of Cadmium (II) on aerobic granular sludge. Process Biochem, 38, 997–1001.
  • Liu Y, Tay JH. (2004). State of the art of biogranulation technology for wastewater treatment. Biotechnol Adv, 22, 533–563.
  • Liu Y, Liu QS, Qin L, Tay JH. (2004a). Comments on “effect of extended idle conditions on structure and activity of granular activated sludge” by Zhu and Wilderer. Water Res, 38, 3465–3466.
  • Liu Y, Wang ZW, Qin L, Liu YQ, Tay JH. (2005). Selection pressure-driven aerobic granulation in a sequencing batch reactor. Appl Microbiol Biotechnol, 67, 26–32.
  • Liu Y, Wang ZW, Liu YQ, Qin L, Tay J H. (2005a). A generalized model for settling velocity of aerobic granular sludge. Biotechnol Prog, 21, 621–626.
  • Liu Y, Lin YM, Tay JH. (2005b). The elemental compositions of P-accumulating microbial granules developed in sequencing batch reactors. Process Biochem, 40, 3258–3262.
  • Liu Y, Xu H. (2007). Equilibrium, thermodynamics and mechanisms of Ni2+ biosorption by aerobic granules. Biochem Eng J, 35, 174–182.
  • Liu Y, Wang F, Xia SQ, Zhao JF. (2008). Study of 4-t-octylphenol degradation and microbial community in granular sludge. J Environ Sci, 20, 167–171.
  • Liu YQ, Liu Y, Tay JH. (2004b). The effects of extracellular polymeric substances on the formation and stability of biogranules. Appl Microbiol Biotechnol, 65, 143–148.
  • Liu QS, Liu Y, Tay STL, Show KY, Ivanov V, Benjamin M, Tay JH. (2005c). Startup of pilot-scale aerobic granular sludge reactor by stored granules. Environ Technol, 26, 1363–1369.
  • Liu YQ, Tay JH. (2007a). Characteristics and stability of aerobic granules cultivated with different starvation time. Appl Microbiol Biotechnol, 75, 205–210.
  • Liu YQ, Moy BYP, Tay JH. (2007b). COD removal and nitrification of low-strength domestic wastewater in aerobic granular sludge sequencing batch reactors. Enzyme Microb Technol, 42, 23–28.
  • Liu YQ, Tay JH. (2008a). Influence of starvation time on formation and stability of aerobic granules in sequencing batch reactors. Bioresour Technol, 99, 980–985.
  • Liu SY, Gang L, Yang CT, Yu HQ. (2007c). An innovative microelectrode fabricated using photolithography for measuring dissolved oxygen distributions in aerobic granules. Environ Sci Technol, 41, 5447–5452.
  • Liu SY, Chen OP, Fang A. (2009). Dissolved oxygen and its diffusivity in aerobic granules using a lithographically-fabricated microelectrode array. Environ Sci Technol, 43, 234–245.
  • Margesin R, Fonteyne PA, Redl B. (2005). Low-temperature biodegradation of high amounts of phenol by Rhodococcus spp. and basidiomycetous yeasts. Res Microbiol, 156, 68–75.
  • McSwain BS, Irvine RL, Wilderer PA. (2004). The influence of settling time on the formation of aerobic granules. Water Sci Technol, 50, 195–202.
  • McSwain BS, Irvine, RL, Hausner M. (2005). Composition and distribution of extracellular polymeric substances in aerobic flocs and granular sludge. Appl Environ Microbiol, 71, 1051–1057.
  • McSwain BS, Irvine RL. (2008). Dissolved oxygen as a key parameter to aerobic granule formation. Water Sci Technol, 58, 781–787.
  • Mishima K, Nakamura M. (1991). Self-immobilization of aerobic activated sludge - a pilot study of the process in municipal sewage treatment. Water Sci Technol, 23, 981–990.
  • Morgan JM, Forster CF, Evison L. (1990). A comparative study of the nature of biopolymers extracted from anaerobic and activated sludges. Water Res, 24, 743–750.
  • Morgenroth E, Sherden T. (1997). Aerobic granular sludge in a sequencing batch reactor. Water Res, 31, 3191–3194.
  • Moussavi G, Barikbin B, Mahmoudi M. (2010). The removal of high concentrations of phenol from saline wastewater using aerobic granular SBR. Chem Eng J, 158, 498–504.
  • Moy BYP, Tay JH, Toh SK, Liu Y, Tay STL. (2002). High organic loading influences the physical characteristics of aerobic sludge granules. Lett Appl Microbiol, 34, 407–412.
  • Ni BJ, Yu HQ. (2008). Growth and storage processes in aerobic granules grown on soybean wastewater. Biotechnol Bioeng, 100, 664–672.
  • Ni BJ, Xie WM, Liu SG, Yu HQ. (2009). Granulation of activated sludge in a pilot-scale sequencing batch reactor for the treatment of low-strength municipal wastewater. Water Res, 43, 751–761.
  • Ni BJ, Yu HQ. (2010). Modeling and simulation of formation and utilization of microbial products in aerobic granular sludge. Aiche J, 56, 546–559.
  • Ng PH. (2002). Storage stability of aerobic granules cultivated in aerobic granular sludge blanket reactor. Final Year Report of Bachelor of Engineering, Nanyang Technological University, Singapore.
  • Peng DC, Benret N, Delgenes JP, Moletta R. (1999). Aerobic granular sludge - A case report. Water Res, 33, 890–893.
  • Qin L, Tay JH, Liu Y. (2004). Selection pressure is a driving force of aerobic granulation in sequencing batch reactors. Process Biochem, 39, 579–584.
  • Quan ZX, Rhee SK, Zhuo JE, Yang Y, Bae JW, Park JR, Lee ST, Park YH. (2008). Diversity of ammonium-oxidizing bacteria in a granular sludge anaerobic ammonium-oxidizing (anammox) reactor. Environ Microbiol, 10, 3130–3139.
  • Ren TT, Liu L, Sheng GP, Liu XW, Yu HQ. (2008). Calcium spatial distribution in aerobic granules and its effects on granule structure, strength and bioactivity. Water Res, 42, 3343–3352.
  • Ren TT, Mu Y, Liu L, Li XY, Yu HQ. (2009). Quantification of the shear stress in a microbial granular sludge reactor. Water Res, 43, 4643–4651.
  • Rossetti S, Tomei MC, Nielsen PH, Tandoi V. (2005). “Microthrix parvicella” a filamentous bacterium causing bulking and foaming in activated sludge systems: A review of current knowledge. FEMS Microbiol Rev, 29, 49–64.
  • Rouxhet PG, Mozes N. (1990). Physical chemistry of the interaction between attached microorganisms and their support. Water Sci Technol, 22, 1–16.
  • Schmidt JE, Ahring BR. (1996). Granular sludge formation in upflow anaerobic sludge blanket (UASB) reactors. Biotechnol Bioeng, 49, 229–235.
  • Schwarzenbeck N, Borges J M, Wilderer PA. (2005). Treatment of dairy effluents in an aerobic granular sludge sequencing batch reactor. Appl Microbiol Biotechnol, 66, 711–718.
  • Shams QU, Suhail S, Izharul HF, Ahmad A. (2008). Biodegradation of phenols and p-cresol by sequential batch reactor. International Conference on Environmental Research and Technology, Cleaner tech control treatment & remediation technique, 906–910.
  • Shi XY, Yu HQ, Sun YJ, Huang X. (2009). Characteristics of aerobic granules rich in autotrophic ammonium-oxidizing bacteria in a sequencing batch reactor. Chem Eng J, 147, 102–109.
  • Shi XH, Liu F, Liu H, Zhu JR. (2007). Investigation of aerobic granular sludge cultivation by feed loading as a control strategy. Environ Sci, 28, 1026–1032. (in Chinese).
  • Song ZW, Ren NQ, Zhang K, Tong LY. (2009). Influence of temperature on the characteristics of aerobic granulation in sequencing batch airlift reactors. J Environ Sci, 21, 273–278.
  • Sheng GP, Yu HQ. (2006). Characterization of extracellular polymeric substances of aerobic and anaerobic sludge using three-dimensional excitation and emission matrix fluorescence spectroscopy. Water Res, 40, 1233–1239.
  • Sun XF, Wang SG, Liu XW, Gong WX, Bao N, Gao BY, Zhang HY. (2008). Biosorption of Malachite Green from aqueous solutions onto aerobic granules: Kinetic and equilibrium studies. Bioresour Technol, 99, 3475–3483.
  • Sun XF, Wang SG, Liu XW, Gong WX, Bao N, Gao BY. (2008a). Competitive biosorption of zinc(II) and cobalt(II) in single- and binary-metal systems by aerobic granules. J Colloid Interface Sci, 324, 1–8.
  • Tay JH, Liu QS, Liu Y. 2001. Microscopic observation of aerobic granulation in sequential aerobic sludge blanket reactor. Appl Microbiol, 91, 168–175.
  • Tay JH, Liu QS, Liu Y. (2001a). The effects of shear force on the formation, structure and metabolism of aerobic granules. Appl Microbiol Biotechnol, 57, 227–233.
  • Tay JH, Liu QS, Liu Y. (2002). Characteristics of aerobic granules grown on glucose and acetate in sequential aerobic sludge blanket reactors. Environ Technol, 23, 931–936.
  • Tay JH, Ivanov V, Pan S. (2002a). Specific layers in aerobically grown microbial granules. Letters Appl Microbiol, 34, 254–257.
  • Tay JH, Pan S. (2002b). The effect of organic loading rate on the aerobic granulation: The development of shear force theory. Water Sci Technol, 47, 235–240.
  • Tay JH, Liu QS, Liu Y. (2002c). Characteristics of aerobic granules grown on glucose and acetate in sequential aerobic sludge blanket reactors. Environ Technol, 23, 931–936.
  • Tay JH, Yang SF, Liu Y. (2002d). Hydraulic selection pressure-induced nitrifying granulation in sequencing batch reactors. Appl Microbiol Biotechnol, 59, 332–337.
  • Tay JH, Tay STL, Ivanov V, Pan S, Jiang HL, Liu QS. (2003). Biomass and porosity profiles in microbial granules used for aerobic wastewater treatment. Lett Appl Microbiol, 36, 297–301.
  • Tay JH, Jiang HL, Tay STL. (2004). High-rate biodegradation of phenol by aerobically grown microbial granules. J Environ Eng, 130, 1415–1423.
  • Tay JH, Liu QS, Liu Y, Show KY, Ivanov V, Tay STL. (2004a). A comparative study of aerobic granulation in pilot- and laboratory-scale SBRs. Proceedings of Workshop on Aerobic Granular Sludge, Munich, Germany, September 27–28.
  • Tay STL, Ivanov V, Yi S, Zhuang WQ, Tay JH. (2002e). Presence of anaerobic bacteroides in aerobically grown microbial granules. Microbiol Ecol, 44, 278–285.
  • Tay STL, Benjamin YPM, Jiang HL, Tay JH. (2005). Rapid cultivation of stable aerobic phenol-degrading granules using acetate-fed granules as microbial seed. J Biotechnol, 115, 387–395.
  • Toh SK, Tay JH, Moy BYP, Tay STL. (2003). Size-effect on the physical characteristics of the aerobic granule in a SBR. Appl Microbiol Biotechnol, 60, 687–695.
  • Tsuneda S, Jung J, Hayashi H, Aikawa H, Hirata A, Sasaki H. (2003). Influence of extracellular polymers on electro kinetic properties of heterotrophic bacterial cells examined by soft particle electrophoresis theory. Colloids Surface, 29, 181–188.
  • Tsuneda S, Nagano T, Hoshinom T, Ejiri Y, Noda N, Hirata A. (2003a). Characterization of nitrifying granules produced in an aerobic upflow fluidized bed reactor. Water Res, 37, 4965–4973.
  • van Hullebusch, ED, Gieteling J, van Daele W, Defrancq J, Lens PNL. (2007). Effect of sulfate and iron on physicochemical characteristics of anaerobic granular sludge. Biochem Eng J, 33, 168–177.
  • Veiga MC, Jain MK, Wu WM, Hollingsworth RI, Zeikus JG. (1997). Composition and role of extracellular polymers in methanogenic granules. Appl Environ Microbiol, 63, 403–407.
  • Viaeminck SE, Cloetens LFF, Carballa M, Boon N, Verstraete W. (2008). Granular biomass capable of partial nitritation and anammox. Water Sci Technol, 58, 1113–1120.
  • Wang ZW, Liu Y, Tay JH. (2005). Distribution of EPS and cell surface hydrophobicity in aerobic granules. Appl Microbiol Biotechnol, 69, 469–473.
  • Wang ZW, Liu Y, Tay JH. (2007). Biodegradability of extracellular polymeric substances produced by aerobic granules. Appl Microbiol Biotechnol, 74, 462–466.
  • Wang HL, Wei LL, Yu G, Liu GS, Pan F. (2006). A new way to cultivate aerobic granules in the process of papermaking wastewater treatment. Biochem Eng J, 28, 99–103.
  • Wang ZP, Liu LL, Yao J, Cai WM. (2006a). Effects of extracellular polymeric substances on aerobic granulation in sequencing batch reactors. Chemosphere, 63, 1728–1735.
  • Wang SG, Liu XW, Gong WX, Gao BY, Zhang DH, Yu HQ. (2007a). Aerobic granulation with brewery wastewater in a sequencing batch reactor. Bioresour Technol, 98, 2142–2147.
  • Wang SG, Liu XW, Zhang HY, Gong WX, Sun XF. (2007b). Aerobic granulation for 2,4-dichlorophenol biodegradation in a sequencing batch reactor. Chemosphere, 69, 769–775.
  • Wang JF, Wang X, Zhao ZG, Li JW. (2008). Organics and nitrogen removal and sludge stability in aerobic granular sludge membrane bioreactor. Appl Microbiol Biotechnol, 79, 679–685.
  • Wang XH, Zhang HM, Yang FL, Wang YF, Gao MM. (2008a). Long-term storage and subsequent reactivation of aerobic granules. Bioresour Technol, 99, 8304–8309.
  • Weber SD, Ludwig W, Schleifer KH, Fried J. (2007). Microbial composition and structure of aerobic granular municipal wastewater biofilms. Appl Environ Microbiol, 73, 6233–6240.
  • Wichern M, Lübken M, Horn H. (2008). Optimizing sequencing batch reactor (SBR) reactor operation for treatment of dairy wastewater with aerobic granular sludge. Water Sci Technol 58, 1199–1206.
  • Williams JC, De los Reyes FL. (2006). Microbial community structure of activated sludge during aerobic granulation in an annular gap bioreactor. Water Sci Technol, 54, 139–146.
  • Wu WM, Jain MK, Thiele JH, Zeikus JG. (1995). Effect of storage on the performance of methanogenic granules. Water Res, 29, 1445–1452.
  • Xiao F, Yang SF, Li XY. (2008). Physical and hydrodynamic properties of aerobic granules produced in sequencing batch reactors. Separation Purification Technol, 63, 634–641.
  • Xu H, Liu Y, Tay JH. (2006). Effect of pH on nickel biosorption by aerobic granular sludge. Bioresour Technol, 97, 359–363.
  • Xu H, Liu Y. (2008). Mechanisms of Cd2+, Cu2+ and Ni2+ biosorption by aerobic granules. Separation Purification Technol, 58, 400–411.
  • Yang SF, Tay JH, Liu Y. (2004). Respirometric activities of heterotrophic and nitrifying populations in aerobic granules developed at different substrate N/COD ratios. Curr Microbiol, 49, 42–46.
  • Yang SF, Tay JH, Liu Y. (2004a). Inhibition of free ammonia to the formation of aerobic granules. Biochem Eng J, 17, 41–48.
  • Yang SF, Li XY, Yu HQ. (2008). Formation and characterisation of fungal and bacterial granules under different feeding alkalinity and pH conditions. Process Biochem, 43, 8–14.
  • Yao L, Ye ZF, Tong MP, Lai P, Ni JR. (2009). Removal of Cr3+ from aqueous solution by biosorption with aerobic granules. J Hazard Mater, 165, 250–255.
  • Yarlagadda VN, Hiren MJ, Tulsi VKM, Vayalam PV. (2008). Formation of aerobic granules in the presence of a synthetic chelating agent. Environ Pollution, 153, 37–43.
  • Yi S, Zhuang WQ, Wu B, Tay ST, Tay JH. (2006). Biodegradation of p-nitrophenol by aerobic granules in a sequencing batch reactor. Environ Sci Technol, 40, 396–401.
  • You Y, Peng Y, Yuan ZG, Li XY, Peng YZ. (2008). Cultivation and characteristic of aerobic granular sludge enriched by phosphorus accumulating organisms. Environ Sci, 29, 2242–2248 (in Chinese).
  • Yu HQ, Tay JH, Fang HHP. (2001). The roles of calcium in sludge granulation during UASB reactor start-up. Water Res, 35, 1052–1060.
  • Zeng P, Zhuang WQ, Tay STL, Tay JH. (2007). The influence of storage on the morphology and physiology of phthalic acid-degrading aerobic granules. Chemosphere, 69, 1751–1757.
  • Zhang XQ, Bishop PL. (2003). Biodegradability of biofilm extracellular polymeric substances. Chemosphere, 50, 63–69.
  • Zhang LL, Zhang B, Huang YF, Cai WM. (2005). Re-activation characteristics of preserved aerobic granular sludge. J Environ Sci, 17, 655–658.
  • Zhang LL, Feng XX, Zhu NW, Chen JM. (2007). Role of extracellular protein in the formation and stability of aerobic granules. Enzyme Microb Technol, 41, 551–557.
  • Zhang LL, Chen JM, Fang F. (2008). Biodegradation of methyl t-butyl ether by aerobic granules under a cosubstrate condition. Appl Microbiol Biotechnol, 78, 543–550.
  • Zheng YM, Yu HQ, Sheng GP. (2005). Physical and chemical characteristics of granular activated sludge from a sequencing batch airlift reactor. Process Biochem, 40, 645–650.
  • Zheng YM, Yu HQ, Liu SJ. (2006). Formation and instability of aerobic granules under high organic loading conditions. Chemosphere, 63, 1791–1800.
  • Zheng YM, Yu HQ. (2007). Determination of the pore size distribution and porosity of aerobic granules using size-exclusion chromatography. Water Res, 41, 39–46.
  • Zhu J, Wilderer PA. (2003). Effect of extended idle conditions on structure and activity of granular activated sludge. Water Res, 37, 2013–2018.
  • Zitomer DH, Duran M, Albert R, Guven E. (2007). Thermophilic aerobic granular biomass for enhanced settleability. Water Res, 41, 819–825.

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