Skip to main content

Pertinent Factors Involving Disinfection and Stabilization of Municipal Biosolids

Buy Article:

$9.50 plus tax (Refund Policy)

Or sign up for a free trial

The inactivation of pathogens in biosolids and residuals can be achieved to physical, chemical and biological stressors. The physical stressors include temperature, cavitation and radioactive irradiation (gamma and beta). The chemical stressors are associated with alkaline agents (raising the pH and causing exothermic reactions), acidic agents (lowering the pH and causing exothermic reactions), oxidation and reduction agents (destroying organics and stabilization of uncharged disinfectants) and non-charged disinfectants (required to disinfect helminth eggs and bacterial spores). The biological processes result in the temperature increases greater and result in the production of biocidal by-products such as organic acids, aldehydes and alcohols, which act as disinfectants. In general, biological residual treatment processes such as composting, anaerobic digestion, alkaline stabilization, lagoon storage and air drying, which involve multistressors factors and are generally more effective and economically viable.

The understanding of stabilization is moving from the state of science in the 1970s to the 21st Century. This entails the control of putrescible organics with the potential destabilization of anaerobically digested biosolids. By understanding the role of oxidants in the stabilization processes, the approach to stabilizing biosolids is changing while utilizing the concepts in collection systems. In the more recent studies, the usage of oxidation-reduction potential is very useful in monitoring these systems along with the usage of Pearson soft acids such as chlorine dioxide and ferrate.
No Reference information available - sign in for access.
No Citation information available - sign in for access.
No Supplementary Data.
No Data/Media
No Metrics

Keywords: Sewage sludge; biochemical by-products; disinfection; irradiation; noncharged chemicals; oxidants; pH; stabilization; temperature

Document Type: Research Article

Publication date: 2009-01-01

More about this publication?
  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

    A subscription to the Proceedings of the Water Environment Federation includes access to most papers presented at the annual WEF Technical Exhibition and Conference (WEFTEC) and other conferences held since 2000. Subscription access begins 12 months after the event and is valid for 12 months from month of purchase. A subscription to the Proceedings of the Water Environment Federation is included in Water Environment Federation (WEF) membership.

    WEF Members: Sign in (right panel) with your IngentaConnect user name and password to receive complimentary access. Access begins 12 months after the conference or event
  • Subscribe to this Title
  • Membership Information
  • About WEF Proceedings
  • WEFTEC Conference Information
  • Learn about the many other WEF member benefits and join today
  • Ingenta Connect is not responsible for the content or availability of external websites
  • Access Key
  • Free content
  • Partial Free content
  • New content
  • Open access content
  • Partial Open access content
  • Subscribed content
  • Partial Subscribed content
  • Free trial content
Cookie Policy
Cookie Policy
Ingenta Connect website makes use of cookies so as to keep track of data that you have filled in. I am Happy with this Find out more