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Ammonia and Greenhouse Gas Emissions from Co-composting of Dead Hens with Manure as Affected by Forced Aeration Rate
| Content Provider | Semantic Scholar |
|---|---|
| Author | Dong, Hongmin Zhu, Zhiping Xi, Jialin Xin, Hongwei |
| Copyright Year | 2011 |
| Abstract | The effect of ventilation rate (VR) on ammonia and greenhouse gas emissions from co-composting dead hens mixed with hen manure was quantified. Three VR levels of 0.9, 0.7, and 0.5 m 3 h -1 were evaluated. Gaseous concentrations were measured using a multi-gas infrared photoacoustic analyzer, VR was measured with flowmeters, and the gas emis- sion rate was computed from the VR and gas concentration. Decomposition of the carcasses over the 11-week composting period was greater than 88%. VR was found to significantly affect NH3, CO2, and CH4 emissions (p < 0.05). Specifically, cumulative emissions per kg of initial matter for VR of 0.9, 0.7, and 0.5 m 3 h -1 were, respectively, 2.4, 2.0, and 1.2 g NH3; 78, 66, and 42 g CO2; 120, 90, and 52 mg CH4; and 6.4, 6.1, and 5.1 mg N2O. Hence, the study results suggest that the ventilation rate can be adjusted to reduce NH3 and GHG emissions from animal mortality compositing. |
| Starting Page | 1 |
| Ending Page | 1 |
| Page Count | 1 |
| File Format | PDF HTM / HTML |
| DOI | 10.13031/2013.37296 |
| Alternate Webpage(s) | https://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=1763&context=abe_eng_pubs&httpsredir=1&referer= |
| Alternate Webpage(s) | https://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=1123&context=abe_eng_conf&httpsredir=1&referer= |
| Alternate Webpage(s) | https://lib.dr.iastate.edu/cgi/viewcontent.cgi?amp%3Bcontext=abe_eng_conf&article=1123&httpsredir=1&referer= |
| Alternate Webpage(s) | https://doi.org/10.13031/2013.37296 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
