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Updated: Aug 29, 2025
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Biocontained Carcass Composting for Control of Infectious Disease Outbreak in Livestock
Published on: May 6, 2010
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Composting effect and antibiotic removal under a new temperature control strategy.
Pengyu Sun1, Botao Liu1, Imtiaz Ahmed1
1School of Environmental Science and Engineering, Shanghai Jiaotong University, 800 Dongchuan Road, Shanghai 200240, China.
Waste Management (New York, N.Y.)
|September 5, 2022
Summary
Temperature-controlled composting rapidly produces high-quality fertilizer by accelerating the organic waste cycle and significantly enhancing antibiotic removal. This method improves organic matter degradation and reduces heavy metals compared to conventional composting.
Area of Science:
- Environmental Science
- Microbiology
- Waste Management
Background:
- Conventional composting faces challenges in operational speed and effective antibiotic removal from organic waste.
- Antibiotic residues in compost pose risks to soil and water ecosystems.
- Optimizing composting conditions is crucial for producing safe, high-quality organic fertilizers.
Purpose of the Study:
- To investigate a novel temperature control (TC) strategy for accelerating co-composting.
- To evaluate the efficiency of TC in removing antibiotics from mixed organic wastes.
- To assess the quality of compost produced using TC compared to conventional composting (CC).
Main Methods:
- Implemented a temperature control (TC) strategy during co-composting of mixed organic wastes.
- Compared TC with conventional composting (CC) in terms of operational time, organic matter degradation, humus formation, and heavy metal concentration.
- Analyzed the degradation kinetics of macrolides, tetracyclines, sulfonamides, and fluoroquinolones.
- Conducted microbiological analysis to assess bacterial community composition and succession.
Main Results:
- TC process completed in 14 days, significantly faster than CC.
- TC compost showed 10% higher organic matter degradation, enhanced humus formation, and 11.25% lower heavy metals concentration.
- Total antibiotic removal efficiency in TC was 23.58% higher than CC, with significantly reduced half-lives, especially for sulfonamides (75.95% reduction).
- Microbiological analysis revealed distinct bacterial community shifts in TC, favoring specific phyla and indicating an oligotrophic state during the cooling phase.
Conclusions:
- The temperature control strategy offers a promising approach for rapid composting, yielding high-quality fertilizer.
- TC significantly enhances the removal of diverse antibiotic classes from organic waste.
- This method effectively addresses challenges in waste management, promoting sustainable fertilizer production and antibiotic remediation.
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