Shanableh A,Jones S. Production and transformation of volatile fatty acids from sludge subjected to hydrothermal treatment[J]. Water Science & Technology,2001,44(10):129-135.
Appels L,Degrève J,Van der Bruggen B,et al. Influence of low temperature thermal pre-treatment on sludge solubilisation,heavy metal release and anaerobic digestion[J]. Bio. Resource Technology,2010,101(15):5743-5748.