publication . Article . 2012

The use of hydrodynamic disintegration as a means to improve anaerobic digestion of activated sludge.

Alicja Machnicka; J. Suschka; Klaudiusz Grübel;
Open Access English
  • Published: 22 May 2012
  • Publisher: Water Research Commission (WRC)
Abstract
Disintegration by hydrodynamic cavitation has a positive effect on the degree and rate of sludge anaerobic digestion. By applying hydrodynamic disintegration the lysis of cells occurs in minutes instead of days. The intracellular and extracellular components are set free and are  immediately available for biological degradation which leads to an improvement of the subsequent anaerobic process. Hydrodynamic disintegration of the activated sludge results in organic matter and a polymer transfer from the solid phase to the liquid phase, and an increase in COD value of 284 mg·l-1 was observed, i.e. from 42 mg·l-1 to 326 mg·l-1. In addition the degree of disintegrati...
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doi: 10.4314/wsa.v35i1.76715
Subjects
free text keywords: anaerobic digestion, hydrodynamic disintegrations, cavitations, biogas, Waste Management and Disposal, Applied Microbiology and Biotechnology, Management, Monitoring, Policy and Law, Water Science and Technology, Pulp and paper industry, Fermentation, Waste management, Sludge, Anaerobic respiration, Chemistry, Digestion, Lysis, Activated sludge
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