References
  -  L. Seghezzo, G. Zeeman, J.B. van Lier, H.V.M. Hamelers, G.
    Lettinga, A review: the anaerobic treatment of sewage in UASB
    and EGSB reactors, Bioresour. Technol., 65 (1998) 175–190. 
-  J. Beun, A. Hendriks, M. Van Loosdrecht, E. Morgenroth, P.
    Wilderer, J. Heijnen, Aerobic granulation in a sequencing batch
    reactor, Water Res., 33 (1999) 2283–2290. 
-  B. Arrojo, A. Mosquera-Corral, J.M. Garrido, R. Méndez,
    Aerobic granulation with industrial wastewater in sequencing
    batch reactors, Water Res., 38 (2004) 3389–3399. 
-  D. Cassidy, E. Belia, Nitrogen and phosphorus removal from
    an abattoir wastewater in a SBR with aerobic granular sludge,
    Water Res., 39 (2005) 4817–4823. 
-  M.C. van Loosdrecht, M.K. de Kreuk, Formation of aerobic
    granules with domestic sewage, J. Environ. Eng., 132 (2006)
    694–697. 
-  K.Z. Su, H.Q. Yu, Formation and characterization of aerobic
    granules in a sequencing batch reactor treating soybeanprocessing
    wastewater, Environ. Sci. Technol., 39 (2005) 2818–2827. 
-  S.G. Wang, X.W. Liu, W.X. Gong, B.Y. Gao, D.H. Zhang, H.Q. Yu,
    Aerobic granulation with brewery wastewater in a sequencing
    batch reactor, Bioresour. Technol., 98 (2007) 2142–2147. 
-  W. Hailei, Y. Guangli, L. Guosheng, P. Feng, A new way to
    cultivate aerobic granules in the process of papermaking
    wastewater treatment, Biochem. Eng. J., 28 (2006) 99–103. 
-  S.L. Fen Wang, M.J. Yanjie Wei, Characteristics of aerobic
    granule and nitrogen and phosphorus removal in a SBR, J.
    Hazard. Mater., 164 (2009) 1223–1227. 
-  F.D. Hanmin Zhang, T. Jiang, Y. Wei, T. Wang, F. Yang, Aerobic
    granulation with low strength wastewater at low aeration rate in
    A/O/A SBR reactor, Enzyme Microb. Technol., 49 (2011) 215–222. 
-  M.V.M. Coma, M. Pijuan, Z. Yuan, P.L. Bond, Enhancing aerobic
    granulation for biological nutrient removal from domestic
    wastewater, Bioresour. Technol., 103 (2012) 101–108. 
-  C.L.D. Zhao, Y. Zhang, Q. Liu, Biodegradation of nitrobenzene
    by aerobic granular sludge in a sequencing batch reactor (SBR),
    Desalination, 281 (2011) 17–22. 
-  B. Tartakovsky, M.-F. Manuel, S. Guiot, Degradation of
    trichloroethylene in a coupled anaerobic–aerobic bioreactor:
    modeling and experiment, Biochem. Eng. J., 26 (2005) 72–81. 
-  A. Asadi, A. Zinatizadeh, S. Sumathi, Simultaneous removal of
    carbon and nutrients from an industrial estate wastewater in a
    single up-flow aerobic/anoxic sludge bed (UAASB) bioreactor,
    Water Res., 46 (2012) 4587–4598. 
-  A. Asadi, A. Zinatizadeh, M. Hasnain Isa, Performance
    of intermittently aerated up-flow sludge bed reactor
    and sequencing batch reactor treating industrial estate
    wastewater: a comparative study, Bioresour. Technol., 123
    (2012) 495–506. 
-  A. Asadi, A.A. Zinatizadeh, M.V. Loosdrecht, High rate
    simultaneous nutrients removal in a single air lift bioreactor
    with continuous feed and intermittent discharge regime:
    process optimization and effect of feed characteristics, Chem.
    Eng. J., 301 (2016) 200–209. 
-  S. Rezaee, A. Zinatizadeh, A. Asadi, High rate CNP removal
    from a milk processing wastewater in a single ultrasound
    augmented up-flow anaerobic/aerobic/anoxic bioreactor,
    Ultrason. Sonochem., 23 (2015) 289–301. 
-  APHA , Standard Methods for the Examination of Water and
    Wastewater, Washington, D.C., USA, 2005. 
-  S. Toh, J. Tay, B. Moy, V. Ivanov, S. Tay, Size-effect on the physical
    characteristics of the aerobic granule in a SBR, Appl. Microbiol.
    Biotechnol., 60 (2003) 687–695. 
-  Q. Wang, G. Du, J. Chen, Aerobic granular sludge cultivated
    under the selective pressure as a driving force, Process
    Biochem., 39 (2004) 557–563. 
-  Y. Li, Y. Liu, H. Xu, Is sludge retention time a decisive factor
    for aerobic granulation in SBR?, Bioresour. Technol., 99 (2008)
    7672–7677. 
-  Y.Q. Liu, Y. Liu, J.H. Tay, The effects of extracellular polymeric
    substances on the formation and stability of biogranules, Appl.
    Microbiol. Biotechnol., 65 (2004) 143–148. 
-  B. McSwain, R. Irvine, P. Wilderer, The effect of intermittent
    feeding on aerobic granule structure, Water Sci. Technol., 49
    (2004) 19–25. 
-  A. Asadi, A. Zinatizadeh, S. Sumathi, N. Rezaie, S. Kiani, A
    comparative study on performance of two aerobic sequencing
    batch reactors with flocculated and granulated sludge treating
    an industrial estate wastewater: process analysis and modeling,
    Int. J. Eng. Trans. B, 26 (2012) 105. 
-  M. Amini, H. Younesi, A.A. Zinatizadeh Lorestani, G. Najafpour,
    Determination of optimum conditions for dairy wastewater
    treatment in UAASB reactor for removal of nutrients, Bioresour.
	  Technol., 145 (2013) 71–79.