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


ABSTRACT: 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.

SUBMITTER: Sepperer T 

PROVIDER: S-EPMC7225981 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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

Sepperer Thomas T   Tondi Gianluca G   Petutschnigg Alexander A   Young Timothy M TM   Steiner Konrad K  

Biomolecules 20200410 4


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 di  ...[more]

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