<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The paper presents the results of research, the objective of which was to determine the impact of particle size distribution and density of digestates and ash on density and tensile strength of granular fertilizer obtained from mixtures of these substrates. Particle size distribution, absolute density, envelope density and porosity of substrates were determined. Granular fertilizers were made of clean substrates and their mixtures. Envelope density of the obtained granulates was within 0.81 - 1.88 g⋅cm<sup>-3</sup>. The determined compaction degree was within 3.65 - 10.12. While, the compaction index IS of granulates made of mixtures was within 0.5 - 0.55 and was lower in comparison to IS of granulates from digestates (0.6) and ash (0.76).</p></abstract>

The paper presents the results of research, the objective of which was to determine the impact of particle size distribution and density of digestates and ash on density and tensile strength of granular fertilizer obtained from mixtures of these substrates. Particle size distribution, absolute density, envelope density and porosity of substrates were determined. Granular fertilizers were made of clean substrates and their mixtures. Envelope density of the obtained granulates was within 0.81 - 1.88 g⋅cm-3. The determined compaction degree was within 3.65 - 10.12. While, the compaction index IS of granulates made of mixtures was within 0.5 - 0.55 and was lower in comparison to IS of granulates from digestates (0.6) and ash (0.76).

Impact of Selected Properties of Raw Material on Quality Features of Granular Fertilizers Obtained from Digestates and ASH Mixtures

Department of Mechanical Engineering and Agrophysics, University of Agriculture in Krakow,

Agricultural Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The paper presents the results of research, the objective of which was to determine the impact of particle size distribution and density of digestates and ash...

Impact of Selected Properties of Raw Material on Quality Features of Granular Fertilizers Obtained from Digestates and ASH Mixtures

Publié en ligne: 09 févr. 2017

Pages: 207 - 217

Reçu: 01 sept. 2016

Accepté: 01 nov. 2016

DOI: https://doi.org/10.1515/agriceng-2016-0078

Mots clés
biomass ash, digestate, organic and mineral fertilizer, granular fertilizer

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Impact of Selected Properties of Raw Material on Quality Features of Granular Fertilizers Obtained from Digestates and ASH Mixtures

Publié en ligne: 09 févr. 2017

Pages: 207 - 217

Reçu: 01 sept. 2016

Accepté: 01 nov. 2016

DOI: https://doi.org/10.1515/agriceng-2016-0078

Mots clésbiomass ash, digestate, organic and mineral fertilizer, granular fertilizer

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
biomass ash, digestate, organic and mineral fertilizer, granular fertilizer