NUTRIBOT®
Carbon-footprint-free granulated ammonia source for plant N-feeding
Various forms of ammonium nitrate and urea are the most commonly used fertilizers for nitrogen feeding. The size of their world market is 200-220 million t/year. On average, at least 300 kg/ha of N-fertilizer with a minimum of 27% N content is used in intensive production in arable lands. This N amount can provide the current yield levels necessary for the world’s food supply in the case of the most important industrial crop production such as wheat, barley, maize, soy, rice, sunflower, rapeseed, sorghum, etc. The price of these fertilisers varies considerably worldwide, and strongly linked to the world market price of natural gas due to the technological constraints of the traditional chemical production process (Haber-Bosch) of the underlying ammonia. At the same time, the process emits significant amount of carbon dioxide, generating about 2.2-2.4 t CO2 for every ton of ammonia produced, contributing significantly to the increase in greenhouse gas levels. Another disadvantage is that the active substance forms of these fertilizers show a high mobility in the soil. In many cases almost half of the applied active substances become unavailable in the root zone of the plant.
The NUTRIBOT® system contains special nanoparticles produced from natural clay minerals, the inner cavity surface of which is oversaturated with special metal ions. The nanoparticles are highly adhesive to water and molecular N2 of the air and are encapsulated and stored in the internal cavities of the particles. On the inner surface of the particles, the absorbed water decomposes into H2 and O2 in the presence of special ions charged on the inner surface. O2 escapes from the internal space of the particles. The adsorbed N2 and the remaining H2 stay in the internal cavities of the particles which provide a special chemical environment. In the presence of other catalytic ion complexes built into the internal cavities, N2 and H2 react in the core of nanoparticles to form ammonia (NH3). The produced ammonia has no affinity towards the particle material and are exhaled into the environment.
One-hundred and fifty to 200 kg special NUTRIBOT® granules have the ammonia supply capacity of 70-100 kg pure nitrogen equivalent. This amount is the sum of continuous production over a 3–4-month period, when the soil temperature is above +10 °C. The ammonia is continuously produced and available in equilibrium quantities in the vegetation and absorbed almost immediately by the plants in the root zone. Ammonia is produced at the right depth in the soil and no leaching occurs. This N-feeding technology neither requires “grey-hydrogen” nor the production of its methane precursor.
Detailed product information:
- NutriBot®
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