ODOR PRODUCTION IN BIOSOLIDS: MECHANISMS AND OPTIMAL CONTROL STRATEGIES
Odors produced from biosolids are a major impediment to beneficial reuse of wastewater residuals in many treatment plant operations. As a source of public complaints, they also erode support for land application practices. In this study, the effects of sulfur-containing amino acids (cysteine and methionine) and simulated upset conditions (NaCl) on odor production from digested biosolids were investigated by anaerobic incubation of biosolids samples. Headspace samples were analyzed by solid phase micro-extraction (SPME) and GC-MS. Additions of sulfur-containing amino acids (25 mM each) led to significant sulfurous odor production from biosolids, mostly as dimethyl sulfide (DMS) and methanethiol (MT). Addition of 500 mM NaCl inhibited gas production, but acclimation was aided by the added amino acids. The NaCl exacerbated odorant production, shortening the onset time, and increasing the concentrations of both DMS and MT. The results showed that odor production is associated with anaerobic system imbalance such as increased salinity.
No Reference information available - sign in for access.
No Citation information available - sign in for access.
No Supplementary Data.
No Article Media
Document Type: Research Article
Publication date: 01 January 2004
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 These proceedings are not peer reviewed.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