Shanableh A, Jomaa S. Production and transformation of volatile fatty acids from sludge subjected to hydrothermal treatment[J]. Water Science and Technology, 2001, 44(10):129-135.
Yan Y Y, Feng L Y, Zhang C J, et al. Ultrasonic enhancement of waste activated sludge hydrolysis and volatile fatty acids accumulation at pH10.0[J]. Water Research, 2010, 44(11):3329-3336.
Chi Y Z, Ji M, Li Y Y, et al. 2nd Conference on Environmental Science and Information Application Technology, ESIAT 2010[C]. Wuhan, China:IEEE Computer Society, 2010.
Xu J B, Yuan H P, Lin J X, et al. Evaluation of thermal, thermal-alkaline, alkaline and electrochemical pretreatments on sludge to enhance anaerobic biogas production[J]. Journal of the Taiwan Institute of Chemical Engineers, 2014, 45(5):2531-2536.
[13]
Elliott A, Mahmood T. Comparison of mechanical pretreatment methods for the enhancement of anaerobic digestion of pulp and paper waste activated sludge[J]. Water Environment Research, 2012, 84(6):497-505.
[14]
Cho S K, Ju H J, Lee J G, et al. Alkaline-mechanical pretreatment process for enhanced anaerobic digestion of thickened waste activated sludge with a novel crushing device:Performance evaluation and economic analysis[J]. Bioresource Technology, 2014, 165:183-190.
[15]
Braguglia C M, Gagliano M C, Rossetti S. High frequency ultrasound pretreatment for sludge anaerobic digestion:Effect on floc structure and microbial population[J]. Bioresource Technology, 2012, 110:43-49.
[16]
Gallipoli A, Gianico A, Gagliano M C, et al. Potential of high-frequency ultrasounds to improve sludge anaerobic conversion and surfactants removal at different food/inoculum ratio[J]. Bioresource Technology, 2014, 159:207-214.
[17]
Park W J, Ahn J H. Optimization of microwave pretreatment conditions to maximize methane production and methane yield in mesophilic anaerobic sludge digestion[J]. Environmental Technology, 2011, 32(13):1533-1540.
[18]
Coelho N M G, Droste R L, Kennedy K J. Microwave effects on soluble substrate and thermophilic digestibility of activated sludge[J]. Water Environment Research, 2014, 86(3):210-222.
[19]
Toreci I, Droste R L, Kennedy K J. Mesophilic anaerobic digestion with high-temperature microwave pretreatment and importance of inoculum acclimation[J]. Water Environment Research, 2011, 83(6):549-559.
[20]
Shahriari H, Warith M, Hamoda M, et al. Anaerobic digestion of organic fraction of municipal solid waste combining two pretreatment modalities, high temperature microwave and hydrogen peroxide[J]. Waste Management, 2012, 32(1):41-52.
[21]
Appels L, Houtmeyers S, Degrève J, et al. Influence of microwave pre-treatment on sludge solubilisation and pilot scale semi-continuous anaerobic digestion[J]. Bioresource Technology, 2013, 128(6):598-603.
[22]
Yi W G, Lo K V, Mavinic D S. Effects of microwave, ultrasonic and enzymatic treatment on chemical and physical properties of waste-activated sludge[J]. Journal of Environmental Science and Health Part A:Toxic/Hazardous Substances & Environmental Engineering, 2014, 49(2):203-209. :Toxic/Hazardous Substances target="_blank">
Chi Y Z, Li Y Y, Fei X N, et al. Enhancement of thermophilic anaerobic digestion of thickened waste activated sludge by combined microwave and alkaline pretreatment[J]. Journal of Environmental Sciences, 2011, 23(8):1257-1265.