2021
DOI: 10.3390/atmos12010096
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Abstract: Rural communities are affected by gaseous emissions from intensive livestock production. Practical mitigation technologies are needed to minimize emissions from stored manure and improve air quality inside barns. In our previous research, the one-time surficial application of biochar to swine manure significantly reduced emissions of NH3 and phenol. We observed that the mitigation effect decreased with time during the 30-day trials. In this research, we hypothesized that bi-weekly reapplication of biochar coul… Show more

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Cited by 14 publications
(11 citation statements)
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“…The mitigation effects on NH 3 were typically the greatest on the first day of application and decreased over the trial duration (Meiirkhanuly et al, 2020b). The effect of biochar's biweekly reapplication on gaseous emissions from swine manure was recently reported by Chen et al (2021). The observation of decreased efficiency over time led us to explore the possibility of using surficial biochar treatment for short-term mitigation of NH 3 emissions from swine manure.…”
Section: Introductionmentioning
confidence: 96%
“…The mitigation effects on NH 3 were typically the greatest on the first day of application and decreased over the trial duration (Meiirkhanuly et al, 2020b). The effect of biochar's biweekly reapplication on gaseous emissions from swine manure was recently reported by Chen et al (2021). The observation of decreased efficiency over time led us to explore the possibility of using surficial biochar treatment for short-term mitigation of NH 3 emissions from swine manure.…”
Section: Introductionmentioning
confidence: 96%
“…The positive role of biochar in a more sustainable animal-crop production system is provided in Figure 1. Stage 1-biochar is surficially applied to stored manure, where it mitigates the perennial environmental problem, i.e., gaseous emissions of odor and air pollutants [21][22][23][24][25][26][27]. Biochar fits a need since many marketed manure additives have not been proven effective [28].…”
Section: Introductionmentioning
confidence: 99%
“…We have been advancing the use of carbon-rich adsorbent (biochar) as a manure treatment to mitigate gaseous emissions from stored manure [21]. Biochar is a by-product of the thermal processing of biomass.…”
Section: Introductionmentioning
confidence: 99%
“…Biochar powder effectively mitigates emissions of H 2 S and NH 3 for both long-term (weeks to months) [21,25] and short-term (few minutes) trials [26,27]. Chen et al reported an up to 60% reduction in H 2 S emissions and 70% to 80% reduction in NH 3 emissions by surficial biochar powder application immediately before 3-min manure agitation [26,27].…”
Section: Introductionmentioning
confidence: 99%