Waste activated sludge hydrolysis during ultrasonication: two-step disintegration.

@article{Cho2012WasteAS,
  title={Waste activated sludge hydrolysis during ultrasonication: two-step disintegration.},
  author={Si-Kyung Cho and Hang-sik Shin and Dong-Hoon Kim},
  journal={Bioresource technology},
  year={2012},
  volume={121},
  pages={480-3}
}
In order to clearly describe the hydrolysis of waste activated sludge (WAS) during ultrasonication by a 2-step disintegration process, concentrations of ribonucleic acid (RNA) and bound extracellular polymeric substance (EPS) were measured. Apparently, different decreasing patterns of RNA and EPS concentrations during WAS hydrolysis made it possible to distinguish the floc disintegration (FD) and cell lysis (CL). Initially, FD and CL appear to take simultaneously, but the dominant hydrolytic… CONTINUE READING