If you are experiencing problems downloading PDF or HTML fulltext, our helpdesk recommend clearing your browser cache and trying again. If you need help in clearing your cache, please click here . Still need help? Email help@ingentaconnect.com

Making Anaerobic Digestion Work with High Strength Wastes: Lessons Learned from Pilot to Full Scale

$17.50 plus tax (Refund Policy)

Buy Article:

Abstract:

Codigestion of wastewater solids and food wastes has been practiced in Europe to increase gas productions in the existing anaerobic digester systems and energy generation. Although a review of the codigestion technologies and food waste sources indicate that various types of high strength wastes including food wastes can be amenable for codigestion, optimization of gas production and system performance requires a thorough analysis as well as the available waste sources within the vicinity of the host facility. The food processing waste digestion showed a 35% greater biogas generation compared to the control digester that has not received any supplemental waste. The tests also confirmed that the wastes did not cause inhibition of biologic activity under the mesophilic conditions. Benefits due to the increased biogas production by anaerobic digestion of FOG wastes at the Johnson County facility were calculated to increase the biogas generation by more than 50%. Following implementation, the overall program will reduce the treatment plant's electricity purchase costs by over 500,000 per year under average conditions utilizing the new cogeneration system. At Pinellas County, FL the payback period of the evaluated biogas cogeneration project was estimated to be from 5.5 to 7.5 years, with associated 20-year lifecycle benefits in the order of 5.5 to 9 million, depending on the cost of electricity and natural gas.

Keywords: Codigestion; FOG; biogas; digestion; energy recovery; food waste; high strength waste

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864711802765020

Publication date: January 1, 2011

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 These proceedings are not peer reviewed.

    WEF Members: Sign in (right panel) with your IngentaConnect user name and password to receive complimentary access.
  • Subscribe to this Title
  • Membership Information
  • About WEF Proceedings
  • WEFTEC Conference Information
  • ingentaconnect is not responsible for the content or availability of external websites

Tools

Favourites

Share Content

Access Key

Free Content
Free content
New Content
New content
Open Access Content
Open access content
Subscribed Content
Subscribed content
Free Trial Content
Free trial content
Cookie Policy
X
Cookie Policy
ingentaconnect 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