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- Title
Studies on odor removal of livestock manure compost by pangolagrass biochar or poultry litter biochar.
- Authors
Wang, S. M.; Liu, H. H.; Yu, T. H.; Chung, C. H.; Lee, H. L.
- Abstract
This report has gathered experiments conducted in recent years to evaluate the effect of pangolagrass biochar (PB) or poultry litter biochar (PLB) on odor removal of livestock manure compost. The first experiment was to evaluate the effect of PB on ammonia removal from broiler litter compost. The results showed that the total released amounts of ammonia and trimethylamine in the control (without addition) during the whole compost period were higher than those of PB and PLB treatments, indicating that the biochar treatments could reduce the odor emission during the composting process. The effect of odor removal increased with higher biochar addition. The odor removals of PB treatments were slightly better than those of PLB treatments. The second experiment was to evaluate the effect of PB on odor removal from solid-liquid separated pig manure compost. Results showed that the total removal rate of ammonia and hydrogen sulfide of PB treatment reached 65% and 72%, respectively. All results in this study showed that adding PB and PLB has a positive effect on odor removal, which could be used as a reference for livestock farm applications.
- Subjects
POULTRY litter; BIOCHAR; PANGOLAGRASS; MANURE handling; TRIMETHYLAMINE; HYDROGEN sulfide
- Publication
Journal of the Chinese Society of Animal Science, 2021, Vol 50, p83
- ISSN
0253-9187
- Publication type
Article