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Biocontained Carcass Composting for Control of Infectious Disease Outbreak in Livestock
Published on: May 6, 2010
Optimal turning method of composting regarding hygienic safety
Masafumi Tateda1, Duc Trung Le, Michihiko Ike
1Department of Environmental Systems Engineering, College of Technology, Toyama Prefectural University, 5180 Kurokawa, Kosugi, Imizu, Toyama 939-0398, Japan. tateda@pu-toyama.ac.jp
Journal of Environmental Sciences (China)
|November 22, 2005
Summary
A novel layer turning method for composting significantly improves pathogen inactivation compared to conventional methods. This approach minimizes turning frequency while ensuring hygienic composting, making it ideal for pathogen control.
Area of Science:
- Environmental Science
- Microbiology
- Waste Management
Background:
- Composting pile turning is crucial for hygienic aspects but should be minimized.
- Previous studies highlight the importance of turning for pathogen inactivation.
Purpose of the Study:
- To propose and verify a new layer turning method for composting.
- To compare the effectiveness of layer turning against conventional and static pile methods for pathogen inactivation.
Main Methods:
- Laboratory-scale experiments were conducted comparing static pile, conventional complete mix turning, and the proposed layer turning methods.
- Effectiveness of inactivation of indicator microorganisms was evaluated for each composting run.
Main Results:
- Conventional turning methods were found to be inadequate for proper pathogen inactivation.
- The proposed layer turning method demonstrated excellent performance in pathogen inactivation.
Conclusions:
- Layer turning is a superior method for composting operations requiring effective pathogen inactivation.
- Minimizing turning frequency through layer turning enhances hygienic composting outcomes.
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