References

  1. T.-T. Nguyen, X.-T. Bui, T.-D.-H. Vo, D.-D. Nguyen, P.-D. Nguyen, H.-L.-C. Do, H.-H. Ngo, W. Guo, Performance and membrane fouling of two types of laboratory-scale submerged membrane bioreactors for hospital wastewater treatment at low flux condition, Sep. Purif. Technol., 165 (2016) 123–129.
  2. K. Uhrbrand, A.C. Schultz, A.J. Koivisto, U. Nielsen, A.M. Madsen, Assessment of airborne bacteria and noroviruses in air emission from a new highly-advanced hospital wastewater treatment plant, Water. Res., 112 (2017) 110–119.
  3. O. Frédéric, P. Yves, Pharmaceuticals in hospital wastewater: their ecotoxicity and contribution to the environmental hazard of the effluent, Chemosphere, 115 (2014) 31–39.
  4. Q. Wang, P. Wang, Q. Yang, Occurrence and diversity of antibiotic resistance in untreated hospital wastewater, Sci. Total Environ., 621 (2018) 990–999.
  5. S. Ahmadzadeh, A. Asadipour, M. Yoosefian, M. Dolatabadi, Improved electrocoagulation process using chitosan for efficient removal of cefazolin antibiotic from hospital wastewater through sweep flocculation and adsorption: kinetic and isotherm study, Desal. Wat. Treat., 92 (2017) 160–171.
  6. T.-D.-H. Vo, X.-T. Bui, D.-D. Nguyen, V.-T. Nguyen, H.-H. Ngo, W. Guo, P.-D. Nguyen, C.-N. Nguyen, C. Lin, Wastewater treatment and biomass growth of eight plants for shallow bed wetland roofs, Bioresour. Technol., 247 (2018) 992–998.
  7. A.S. Anjana Anand, S. Adish Kumar, J. Rajesh Banu, G. Ginni, The performance of fluidized-bed solar photo Fenton oxidation in the removal of COD from hospital wastewaters, Desal. Wat. Treat., 57 (2016) 8236–8242.
  8. S.N. Li, Y. Yang, Y. Hu, J. Tang, X.C. Wang, Development of a novel two-stage powdered activated carbon-dynamic membrane filtration (PAC-DMF) system for direct physicochemical wastewater treatment, Desal. Wat. Treat., 99 (2017) 299–308.
  9. Q. Liu, Y. Zhou, L. Chen, X. Zheng, Application of MBR for hospital wastewater treatment in China, Desalination, 250 (2010) 605–608.
  10. L. Deng, W. Guo, H.H. Ngo, H. Zhang, J. Wang, J. Li, S. Xia, Y. Wu, Biofouling and control approaches in membrane bioreactors, Bioresour. Technol., 221 (2016) 656–665.
  11. S.W.H. Van Hulle, H.J.P. Vandeweyer, B.D. Meesschaert, P.A. Vanrolleghem, P. Dejans, A. Dumoulin, Engineering aspects and practical application of autotrophic nitrogen removal from nitrogen rich streams, Chem. Eng. J., 162 (2010) 1–20.
  12. B.X. Thanh, H. Berg, L.N.T. Nguyen, C.T. Da, Effects of hydraulic retention time on organic and nitrogen removal in a sponge-membrane bioreactor, Environ. Eng. Sci., 30 (2013) 194–199.
  13. T.-T. Nguyen, X.-T. Bui, V.-P. Luu, P.-D. Nguyen, W. Guo, H.-H. Ngo, Removal of antibiotics in sponge membrane bioreactors treating hospital wastewater: comparison between hollow fiber and flat sheet membrane systems, Bioresour. Technol., 240 (2017) 42–49.
  14. L. Deng, W. Guo, H.H. Ngo, M.F.R. Zuthi, J. Zhang, S. Liang, J. Li, J. Wang, X. Zhang, Membrane fouling reduction and improvement of sludge characteristics by bioflocculant addition in submerged membrane bioreactor, Sep. Purif. Technol., 156 (2015) 450–458.
  15. N. Puznava, M. Payraudeau, D. Thornberg, Simultaneous nitrification and denitrification in biofilters with real time aeration control, Water. Sci. Technol., 43 (2001) 269–276.
  16. Y. Cao, C. Zhang, H. Rong, G. Zheng, L. Zhao, The effect of dissolved oxygen concentration (DO) on oxygen diffusion and bacterial community structure in moving bed sequencing batch reactor (MBSBR), Water Res., 108 (2017) 86–94.
  17. APHA/AWWA/WEF, Standard Methods for the Examination of Water and Wastewater, 21st ed., American Public Health Association(APHA), Washington, D.C., 2005.
  18. M. Escolà Casas, R.K. Chhetri, G. Ooi, K.M.S. Hansen, K. Litty, M. Christensson, C. Kragelund, H.R. Andersen, K. Bester, Biodegradation of pharmaceuticals in hospital wastewater by a hybrid biofilm and activated sludge system (Hybas), Sci. Total. Environ., 530–531 (2015) 383–392.
  19. Metcalf and Eddy, Wastewater Engineering: Treatment and Reuse. 4th ed., revised by G. Tchobanoglous, F.L. Burton, H.D. Stensel. Boston: McGraw-Hill, 2003.
  20. F. Meng, H. Zhang, F. Yang, Y. Li, J. Xiao, X. Zhang, Effect of filamentous bacteria on membrane fouling in submerged membrane bioreactor, J. Membr. Sci., 272 (2006) 161–168.
  21. F. Meng, B. Shi, F. Yang, H. Zhang, Effect of hydraulic retention time on membrane fouling and biomass characteristics in submerged membrane bioreactors, Bioprocess. Biosyst. Eng., 30 (2007) 359–67.
  22. Q.F. Alsalhy, F.H. Al-Ani, A.E. Al-Najar, A new Sponge- GAC-Sponge membrane module for submerged membrane bioreactor use in hospital wastewater treatment, Biochem. Eng. J., 133 (2018) 130–139.
  23. T.T. Nguyen, H.H. Ngo, W. Guo, A. Listowski, J.X. Li, Evaluation of sponge tray-membrane bioreactor (ST-MBR) for primary treated sewage effluent treatment, Bioresour. Technol., 113 (2012) 143–147.
  24. F. Meng, A. Yang, G. Zhang, H. Wang, Effects of dissolved oxygen concentration on photosynthetic bacteria wastewater treatment: pollutants removal, cell growth and pigments production, Bioresour. Technol., 241 (2017) 993–997.
  25. L. Faust, H. Temmink, A. Zwijnenburg, A.J.B. Kemperman, H.H.M. Rijnaarts, Effect of dissolved oxygen concentration on the bioflocculation process in high loaded MBRs, Water. Res., 66 (2014) 199–207.
  26. C.S. Laspidou, B.E. Rittmann, A unified theory for extracellular polymeric substances, soluble microbial products, and active and inert biomass, Water. Res., 36 (2002) 2711–2720.
  27. D.-w. Gao, Y. Fu, Y. Tao, X.-x. Li, M. Xing, X.-h. Gao, N.-q. Ren, Linking microbial community structure to membrane biofouling associated with varying dissolved oxygen concentrations, Bioresour. Technol., 102 (2011) 5626–5633.
  28. Q. Yang, J. Chen, F. Zhang, Membrane fouling control in a submerged membrane bioreactor with porous, flexible suspended carriers, Desalination, 189 (2006) 292–302.
  29. M.A. Dytczak, K.L. Londry, J.A. Oleszkiewicz, Activated sludge operational regime has significant impact on the type of nitrifying community and its nitrification rates, Water. Res., 42 (2008) 2320–2328.
  30. T.C. Yadav, A.A. Khardenavis, A. Kapley, Shifts in microbial community in response to dissolved oxygen levels in activated sludge, Bioresour. Technol., 165 (2014) 257–264.
  31. H. Fan, L. Qi, G. Liu, Y. Zhang, Q. Fan, H. Wang, Aeration optimization through operation at low dissolved oxygen concentrations: evaluation of oxygen mass transfer dynamics in different activated sludge systems, J. Environ. Sci. 55 (2017) 224–235.
  32. G. Liu, J. Wang, Long-term low DO enriches and shifts nitrifier community in activated sludge, Environ. Sci. Technol, 47 (2013) 5109–5117.
  33. M. Bellucci, I.D. Ofiteru, D.W. Graham, I.M. Head, T.P. Curtis, Low-dissolved-oxygen nitrifying systems exploit ammoniaoxidizing bacteria with unusually high yields, Appl. Environ. Microbiol., 77 (2011) 7787–7796.
  34. H.-D. Park, D.R. Noguera, Evaluating the effect of dissolved oxygen on ammonia-oxidizing bacterial communities in activated sludge, Water. Res., 38 (2004) 3275–3286.
  35. S.Y. Weon, S.I. Lee, B. Koopman, Effect of temperature and dissolved oxygen on biological nitrification at high ammonia concentrations, Environ. Technol., 25 (2004) 1211–1219.
  36. B.D. Cho, A.G. Fane, Fouling transients in nominally subcritical flux operation of a membrane bioreactor. J. Membr. Sci., 209 (2002) 391–403.
  37. Q. Liu, X.C. Wang, Y. Liu, H. Yuan, Y. Du, Performance of a hybrid membrane bioreactor in municipal wastewater treatment, Desalination, 258 (2010) 143–147.
  38. S. Paris, C. Schlapp, Greywater recycling in Vietnam — Application of the HUBER MBR process, Desalination, 250 (2010) 1027–1030.
  39. M. Sartor, M. Kaschek, V. Mavrov, Feasibility study for evaluating the client application of membrane bioreactor (MBR) technology for decentralised municipal wastewater treatment in Vietnam, Desalination, 224 (2008) 172–177.
  40. T.V. Luong, S. Schmidt, S.A. Deowan, J. Hoinkis, A. Figoli, F. Galiano, Membrane bioreactor and promising application for textile industry in Vietnam, Procedia. CIRP., 40 (2016) 419–424.
  41. Z.-J. Feng, M. Wu, M.-X. Sun, H.-Y. Liu, Y.-Z. Zhang, J. Dai, The effects of different carriers on removal performance and membrane fouling by HMBR in treating sewage with low carbon-to-nitrogen ratio, Process. Saf. Environ. Prot., 102 (2016) 768–776.