Mitigation of Acute Ammonia Emissions With Biochar During Swine Manure Agitation Before Pump-Out: Proof-of-the-Concept

dc.contributor.author Koziel, Jacek
dc.contributor.author Chen, Baitong
dc.contributor.author Koziel, Jacek
dc.contributor.author Białowiec, Andrzej
dc.contributor.author Lee, Myeongseong
dc.contributor.author Ma, Hantian
dc.contributor.author O'Brien, Samuel
dc.contributor.author Li, Peiyang
dc.contributor.author Brown, Robert
dc.contributor.author Meiirkhanuly, Zhanibek
dc.contributor.author Brown, Robert
dc.contributor.department Food Science and Human Nutrition
dc.contributor.department Mechanical Engineering
dc.contributor.department Civil, Construction and Environmental Engineering
dc.contributor.department Chemical and Biological Engineering
dc.contributor.department Agricultural and Biosystems Engineering
dc.contributor.department Mechanical Engineering
dc.contributor.department Chemical and Biological Engineering
dc.contributor.department Bioeconomy Institute (BEI)
dc.date 2021-04-12T23:44:19.000
dc.date.accessioned 2021-04-29T23:07:46Z
dc.date.available 2021-04-29T23:07:46Z
dc.date.copyright Fri Jan 01 00:00:00 UTC 2021
dc.date.issued 2021-04-09
dc.description.abstract <p>Ammonia (NH3) emissions from animal agriculture can cause eutrophication of water ecosystems and are precursors to secondary particulate matter (PM2.5). NH3 emissions from stored swine manure represent nutrient loss affecting the fertilizing value of manure. The short-term emission bursts occur when farmers agitate manure before emptying storage and fertilizing fields. There is no proven technology to mitigate gaseous emissions during agitation, while the hazards of acute releases (e.g., H2S) are well-known. Biochar mitigates NH3 emissions from manure over the long-term. The objective of this research was to evaluate the mitigation of acute NH3 emissions during/after agitation. Two biochars, highly alkaline and porous (HAP from corn stover) and red oak (RO), were tested. The 6 and 12 mm-thick layers of biochar powder were surficial applied followed by 3 min agitation. NH3 concentrations were measured before/during/after agitation. Mitigation was assessed by comparing: (i) the maximum (peak) flux, (ii) total emission (from agitation start till NH3 concentration returned to the before-agitation), and (iii) the total emissions during agitation. The 12 mm HAP significantly (<em>p</em> < 0.05) reduced (i–iii) by 63, 70, and 85%, respectively. The 6 mm HAP significantly reduced (i–iii) by 76, 75, and 78%, respectively. The 12 mm RO significantly reduced (i–iii) by 9, 53, and 57%, respectively. The 6 mm RO significantly reduced (i–iii) by 61, 86, and 63%, respectively. The NH3 emission kinetics model confirmed that a 6 mm dose was just as effective as the larger dose. More research is needed to optimize and scale-up mitigating emissions and retention of nutrients in manure with biochar.</p>
dc.description.comments <p>This article is published as Chen, Baitong, Jacek A. Koziel, Andrzej Białowiec, Myeongseong Lee, Hantian Ma, Samuel O'Brien, Peiyang Li, Zhanibek Meiirkhanuly, and Robert C. Brown. "Mitigation of Acute Ammonia Emissions with Biochar during Swine Manure Agitation before Pump-Out: Proof-of-the-Concept." <em>Frontiers in Environmental Science</em> 9 (2021): 613614. DOI: <a href="https://doi.org/10.3389/fenvs.2021.613614" target="_blank">10.3389/fenvs.2021.613614</a>. Posted with permission.</p>
dc.format.mimetype application/pdf
dc.identifier archive/lib.dr.iastate.edu/abe_eng_pubs/1202/
dc.identifier.articleid 2487
dc.identifier.contextkey 22447022
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath abe_eng_pubs/1202
dc.identifier.uri https://dr.lib.iastate.edu/handle/20.500.12876/104461
dc.language.iso en
dc.source.bitstream archive/lib.dr.iastate.edu/abe_eng_pubs/1202/2021_KozielJacek_MitigationAcute.pdf|||Fri Jan 14 19:11:03 UTC 2022
dc.source.uri 10.3389/fenvs.2021.613614
dc.subject.disciplines Bioresource and Agricultural Engineering
dc.subject.disciplines Toxicology
dc.subject.disciplines Water Resource Management
dc.subject.keywords waste management
dc.subject.keywords nitrogen
dc.subject.keywords air pollution
dc.subject.keywords agricultural safety
dc.subject.keywords fertilizer
dc.subject.keywords biocoal
dc.subject.keywords odor
dc.subject.keywords Gompertz model
dc.title Mitigation of Acute Ammonia Emissions With Biochar During Swine Manure Agitation Before Pump-Out: Proof-of-the-Concept
dc.type article
dc.type.genre article
dspace.entity.type Publication
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