References

  1. S. Zhang, H. Guo, L. Du, J. Liang, X. Lu, N. Li, K. Zhang, Influence of NaOH and thermal pretreatment on dewatered activated sludge solubilisation and subsequent anaerobic digestion: Focused on high-solid state, Bioresour. Technol., 185 (2015) 171–177.
  2. L. Wang, T.N. Aziz, F.L. de los Reyes III, Determining the limits of anaerobic co-digestion of thickened waste activated sludge with grease interceptor waste, Water Res., 47 (2013) 3835–3844.
  3. X. Zhang, R.B. Ferreira, J. Hu, H. Spanjers, J.B. van Lier, Improving methane production and phosphorus release in anaerobic digestion of particulate saline sludge from a brackish aquaculture recirculation system, Bioresour. Technol., 162 (2014) 384–388.
  4. H. Carrere, C. Dumas, A. Battimelli, D.J. Batstone, J.P. Delgenes, J.P. Steyer, I. Ferrer, Pretreatment methods to improve sludge anaerobic degradability: a review, J. Hazard. Mater., 183 (2010) 1–15.
  5. M.J. Higgins, J.T. Novak, Characterization of exocellular protein and its role in bioflocculation, J. Environ. Eng., 123 (1997) 479–485.
  6. A. Tiehm, K. Nickel, M. Zellhorn, U. Neis, Ultrasonic waste activated sludge disintegration for improving anaerobic stabilization, Water Res., 35 (2001) 2003–2009.
  7. B. Yu, J. Xu, H. Yuan, Z. Lou, J. Lin, N. Zhu, Enhancement of anaerobic digestion of waste activated sludge by electrochemical pretreatment, Fuel, 130 (2014) 279–285.
  8. Y. Lin, D. Wang, S. Wu, C. Wang, Alkali pretreatment enhances biogas production in the anaerobic digestion of pulp and paper sludge, J. Hazard. Mater., 170 (2009) 366–373.
  9. I.V. Skiadas, H.N. Gavala, J. Lu, B.K. Ahring, Thermal pre-treatment of primary and secondary sludge at 70 C prior to anaerobic digestion, Water Sci. Technol., 52 (2005) 161–166.
  10. I.W. Nah, Y.W. Kang, K.Y. Hwang, W.K. Song, Mechanical pretreatment of waste activated sludge for anaerobic digestion process, Water Res., 34 (2000) 2362–2368.
  11. G.Y. Zhen, X.Q. Lu, Y.Y. Li, Y.C. Zhao, Combined electrical-alkali pretreatment to increase the anaerobic hydrolysis rate of waste activated sludge during anaerobic digestion, Appl. Energy, 128 (2014) 93–102.
  12. J. Kim, C. Park, T.-H. Kim, M. Lee, S. Kim, S.-W. Kim, J. Lee, Effects of various pretreatments for enhanced anaerobic digestion with waste activated sludge, J. Biosci. Bioeng., 95 (2003) 271–275.
  13. R.A. Baccay, A.G. Hashimoto, Acidogenic and methanogenic fermentation of causticized straw, Biotechnol. Bioeng., 26 (1984) 885–891.
  14. S.T. Cassini, M.C.E. Andrade, T.A. Abreu, R. Keller, R.F. Goncalves, Alkaline and acid hydrolytic processes in aerobic and anaerobic sludges: effect on total EPS and fractions, Water Sci. Technol., 53 (2006) 51–58.
  15. V. Penaud, J.P. Delgenes, R. Moletta, Thermo-chemical pretreatment of a microbial biomass: influence of sodium hydroxide addition on solubilization and anaerobic biodegradability, Enzyme Microb. Technol., 25 (1999) 258–263.
  16. A. Mouneimne, H. Carrere, N. Bernet, J. Delgenes, Effect of saponification on the anaerobic digestion of solid fatty residues, Bioresour. Technol., 90 (2003) 89–94.
  17. A. Valo, H. Carrere, J.P. Delgenes, Thermal, chemical and thermo-chemical pre-treatment of waste activated sludge for anaerobic digestion, J. Chem. Technol. Biotechnol., 79 (2004) 1197–1203.
  18. A.G. Vlyssides, P.K. Karlis, Thermal-alkaline solubilization of waste activated sludge as a pre-treatment stage for anaerobic digestion, Bioresour. Technol., 91 (2004) 201–206.
  19. N. Jacquel, C.-W. Lo, Y.-H. Wei, H.-S. Wu, S.S. Wang, Isolation and purification of bacterial poly (3-hydroxyalkanoates), Biochem. Eng. J., 39 (2008) 15–27.
  20. C.L. Rai, P.G. Rao, Influence of sludge disintegration by high pressure homogenizer on microbial growth in sewage sludge: an approach for excess sludge reduction, Clean Technol. Environ., 11 (2009) 437–446.
  21. S. Zhang, P. Zhang, G. Zhang, J. Fan, Y. Zhang, Enhancement of anaerobic sludge digestion by high-pressure homogenization, Bioresour. Technol., 118 (2012) 496–501.
  22. M. Barjenbruch, O. Kopplow, Enzymatic, mechanical and thermal pre-treatment of surplus sludge, Adv. Environ. Res., 7 (2003) 715–720.
  23. J. Floury, J. Bellettre, J. Legrand, A. Desrumaux, Analysis of a new type of high pressure homogeniser. A study of the flow pattern, Chem. Eng. Sci., 59 (2004) 843–853.
  24. A.K. Wahidunnabi, C. Eskicioglu, High pressure homogenization and two-phased anaerobic digestion for enhanced biogas conversion from municipal waste sludge, Water Res., 66 (2014) 430–446.
  25. T. Onyeche, O. Schläfer, M. Sievers, Advanced anaerobic digestion of sludge through high pressure homogenisation, J. Solid Waste Technol. Manage., 29 (2003) 56–61.
  26. Y.X. Zhang, P.Y. Zhang, G.M. Zhang, W.F. Ma, H. Wu, B.Q. Ma, Sewage sludge disintegration by combined treatment of alkaline plus high pressure homogenization, Bioresour. Technol., 123 (2012) 514–519.
  27. Y.X. Zhang, P.Y. Zhang, B.Q. Ma, H. Wu, S. Zhang, X. Xu, Sewage sludge disintegration by high-pressure homogenization: a sludge disintegration model, J. Environ. Sci. China, 24 (2012) 814–820.
  28. W. Fang, P. Zhang, G. Zhang, S. Jin, D. Li, M. Zhang, X. Xu, Effect of alkaline addition on anaerobic sludge digestion with combined pretreatment of alkaline and high pressure homogenization, Bioresour. Technol., 168 (2014) 167–172.
  29. C. Bougrier, H. Carrere, J.P. Delgenes, Solubilisation of waste-activated sludge by ultrasonic treatment, Chem. Eng. J., 106 (2005) 163–169.
  30. A.E. Greenburg, L.S. Clesceri, A.D. Eaton, Standard methods for the Examination of Water and Wastewater, Public Health Assoc., Washington, DC, 1992.
  31. S. Pilli, P. Bhunia, S. Yan, R.J. LeBlanc, R.D. Tyagi, R.Y. Surampalli, Ultrasonic pretreatment of sludge: a review, Ultrason. Sonochem., 18 (2011) 1–18.
  32. F. Donsì, G. Ferrari, E. Lenza, P. Maresca, Main factors regulating microbial inactivation by high-pressure homogenization: operating parameters and scale of operation, Chem. Eng. Sci., 64 (2009) 520–532.
  33. M.L. Torres, M.D.E. Llorens, Effect of alkaline pretreatment on anaerobic digestion of solid wastes, Waste Manage., 28 (2008) 2229–2234.
  34. V.K. Tyagi, S.L. Lo, Enhancement in mesophilic aerobic digestion of waste activated sludge by chemically assisted thermal pretreatment method, Bioresour. Technol., 119 (2012) 105–113.
  35. C.M. Braguglia, A. Gianico, G. Mininni, Comparison between ozone and ultrasound disintegration on sludge anaerobic digestion, J. Environ. Manage., 95 Suppl. (2012) S139–S143.
  36. M. Weemaes, H. Grootaerd, F. Simoens, W. Verstraete, Anaerobic digestion of ozonized biosolids, Water Res., 34 (2000) 2330–2336.
  37. H.B. Choi, K.Y. Hwang, E.B. Shin, Effects on anaerobic digestion of sewage sludge pretreatment, Water Sci. Technol., 35 (1997) 207–211.
  38. I. Dogan, F.D. Sanin, Alkaline solubilization and microwave irradiation as a combined sludge disintegration and minimization method, Water Res., 43 (2009) 2139–2148.
  39. T. Ghose, A. Singh, S. Mukhopadhyay, Increased methane production in biogas, Biotechnol. Lett., 1 (1979) 275–280.
  40. M.H. Hwang, N.J. Jang, S.H. Hyun, I.S. Kim, Anaerobic bio-hydrogen production from ethanol fermentation: the role of pH, J. Biotechnol., 111 (2004) 297–309.
  41. L. Bjornsson, M. Murto, B. Mattiasson, Evaluation of parameters for monitoring an anaerobic co-digestion process, Appl. Microbiol. Biotechnol., 54 (2000) 844–849.