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Article

Mitigation of Ammonia Emissions from Cattle Manure Slurry by Tannins and Tannin-Based Polymers

1
Forest Products Technology and Timber Construction Department, Salzburg University of Applied Sciences, Markt 136a, Kuchl 5431, Austria
2
Salzburg Center for Smart Materials, Jakob-Haringerstraße 2a, Salzburg 5020, Austria
3
Land, Environment, Agriculture and Forestry Department, University of Padua, Viale dell’Università 16, 35020 Legnaro (PD), Italy
4
Center for Renewable Carbon, University of Tennessee, Knoxville, TN 37996, USA
5
Höhere Bundeslehranstalt für Landwirtschaft Ursprung, Ursprungstraße 4, Elixhausen 5161, Austria
*
Author to whom correspondence should be addressed.
Biomolecules 2020, 10(4), 581; https://doi.org/10.3390/biom10040581
Received: 17 March 2020 / Revised: 3 April 2020 / Accepted: 7 April 2020 / Published: 10 April 2020
(This article belongs to the Special Issue Perspectives on Tannins)
With the extensive use of nitrogen-based fertilizer in agriculture, ammonia emissions, especially from cattle manure, are a serious environmental threat for soil and air. The European community committed to reduce the ammonia emissions by 30% by the year 2030 compared to 2005. After a moderate initial reduction, the last report showed no further improvements in the last four years, keeping the 30% reduction a very challenging target for the next decade. In this study, the mitigation effect of different types of tannin and tannin-based adsorbent on the ammonia emission from manure was investigated. Firstly, we conducted a template study monitoring the ammonia emissions registered by addition of the tannin-based powders to a 0.1% ammonia solution and then we repeated the experiments with ready-to-spread farm-made manure slurry. The results showed that all tannin-based powders induced sensible reduction of pH and ammonia emitted. Reductions higher than 75% and 95% were registered for ammonia solution and cattle slurry, respectively, when using flavonoid-based powders. These findings are very promising considering that tannins and their derivatives will be extensively available due to the increasing interest on their exploitation for the synthesis of new-generation “green” materials. View Full-Text
Keywords: greenhouse gas; NH3; tannin-furanic foam; liquid manure; natural polyphenol; agriculture; emission reduction greenhouse gas; NH3; tannin-furanic foam; liquid manure; natural polyphenol; agriculture; emission reduction
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MDPI and ACS Style

Sepperer, T.; Tondi, G.; Petutschnigg, A.; Young, T.M.; Steiner, K. Mitigation of Ammonia Emissions from Cattle Manure Slurry by Tannins and Tannin-Based Polymers. Biomolecules 2020, 10, 581. https://doi.org/10.3390/biom10040581

AMA Style

Sepperer T, Tondi G, Petutschnigg A, Young TM, Steiner K. Mitigation of Ammonia Emissions from Cattle Manure Slurry by Tannins and Tannin-Based Polymers. Biomolecules. 2020; 10(4):581. https://doi.org/10.3390/biom10040581

Chicago/Turabian Style

Sepperer, Thomas, Gianluca Tondi, Alexander Petutschnigg, Timothy M. Young, and Konrad Steiner. 2020. "Mitigation of Ammonia Emissions from Cattle Manure Slurry by Tannins and Tannin-Based Polymers" Biomolecules 10, no. 4: 581. https://doi.org/10.3390/biom10040581

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