| Title | Manure Processing Into Granular Fertilizers Using Additional Additives |
|---|---|
| ID_Doc | 13499 |
| Authors | Mieldazys, R; Jotautiene, E; Zinkeviciene, R; Jasinskas, A |
| Title | Manure Processing Into Granular Fertilizers Using Additional Additives |
| Year | 2019 |
| Published | |
| Abstract | According to the project of the EU Commission (Circular Economy Package Document) currently only 5 % of bio-waste in the European Union is recycled. The EU imports around 6 million per year tons of phosphates, but up to 30 % of this amount could be replaced by substances received from organic waste (manure and others). Organic fertilizers are the only alternative for organic farms. The additional value is received by replacing mineral fertilizers with organic ones: reduced energy consumption for fertilizer production and transportation, less environment pollution, improved soil properties. In addition to this, recycled biomass is more homogeneous and more even spread in the fields. The aim of the work is to determine the possibilities of processing of manure compost and other waste into granular organic fertilizers, the physical - mechanical properties of granules. The physical mechanical properties of raw material for granular organic fertilizers with various additives molasses, defecate (lime sludge), which have a significant influence on the quality of granules, are discussed in the article. The fertilizer granules must be sufficiently resistant for transporting, storing and spreading in the soil. Properties such as the raw material fractional composition, material and granules moisture, strength of the granules and others were investigated. It has been determined that compaction of milled manure without additives requires 42.6 kJ.t(-1) of energy, the mass with molasses additive 44.8 kJ.t(-1) and with defecate additive 53.0 kJ.t(-1) energy, while estimating the pressure function parameters and the density of the required granules. |
| https://doi.org/10.22616/erdev2019.18.n393 |
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