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Characterization of bacterial consortium and its application in an ectopic fermentation system
1Insititute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China.
Bioresource Technology
|May 7, 2013
Summary
This study developed an ectopic fermentation system (EFS) to treat cow wastewater and produce biofertilizer. The system effectively reduced pollution and created nutrient-rich residues suitable for agronomic use.
Area of Science:
- Environmental Microbiology
- Waste Management
- Agricultural Science
Background:
- Cow wastewater poses environmental pollution challenges.
- Valorization of wastewater and its residues into biofertilizers is crucial for sustainable agriculture.
Purpose of the Study:
- To develop an ectopic fermentation system (EFS) for cow wastewater treatment.
- To assess the potential of EFS for producing biofertilizer from fermentation residues.
Main Methods:
- Selected six thermophilic microbial strains with cellulose-degrading and ammonia-N utilizing abilities.
- Inoculated EFS with a microbial consortium for continuous fermentation.
- Monitored temperature, pH, nutrient content (Total Kjeldahl Nitrogen, Total Phosphorous, Total Potassium), organic matter, and C/N ratio.
Main Results:
- EFS with microbial consortium achieved higher fermentation temperatures.
- Wastewater treatment led to increased levels of Total Kjeldahl Nitrogen, Total Phosphorous, and Total Potassium.
- Observed decreases in organic matter content and C/N ratio, indicating suitability for agronomic use.
Conclusions:
- EFS is effective in treating cow wastewater and producing nutrient-rich biofertilizer residues.
- This study pioneers the combined approach of wastewater treatment and bio-organic fertilizer production using EFS and mixed microbial cultures.
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