Zeolite is a natural mineral with unique physical properties due to its crystal structure. It was formed from volcanic ash exposed to high pressures and temperatures. The name itself comes from the Greek dzeo = to boil (boil), zein = to boil and lithos = stone (rock), meaning “boiling stones” – this term was introduced in 1765 by the Swedish mineralogist Freiherr Axel von Cronstedt, referring to the secretion of large amounts of water by some minerals – when heated, the water they contain “boils – foams” while covering the surface with bubbles.
Zeolites are crystalline, hydrated aluminosilicates of such metals as, primarily: Ca, Mg, Na, K, Sr and Ba. Zeolites are distinguished by a number of unique physico-chemical characteristics, among which it is worth mentioning: high adsorption capacity, molecular-sit capacity, selectivity, ion-exchange capacity, resistance to elevated temperatures and acids.
Average estimates indicate that the use of natural zeolites in the world is about 3.6 megatons per year. They occur in voids and fractures of alkaline magmatic rocks, mainly in alkaline volcanites. They also occur in geodes, granite and crystalline schist voids and in some ore veins.
Due to their unique properties, zeolites are used in various industries:
- Construction industry as an additive to cements and building mortars due to its pozzolanic properties
- as a feed additive from the anti-caking group, which also has the ability to bind mycotoxins
- as supplementary soils, improving the physical and mechanical properties of soils
- for the treatment of drinking water and as sorbents of sewage and air pollution
- as a universal neutralizer of odors and moisture in dwellings
- as a carrier of nutrients and trace elements in the production of fertilizers, and as a carrier of active substances such as pesticides
- as moisture and odor sorbents in refrigerators and closed warehouses
- as cartridges for filters and ponds
- as a substrate for hydroponic plant cultivation, as well as a drainage material in all types of grasslands and for absorbing pollutants from landfills and waste dumps
- as a material with hydroponic properties in lawn cultivation
- for neutralizing odors and moisture in animal bedding (have indirect bacteriostatic and fungistatic effects)
- as a decorative material for pots, for the construction of garden ponds, paths, etc.
- as a filler for the manufacture of structural elements
- for the treatment of drinking water.
Use as a lawn agent
- For mixing with the ground 15kg per 10m2 (lawn reconstruction) fraction 1-2.5mm
As drainage: layer 40-50kg /m2 at a depth of 5-15cm (fraction 2.5-5mm and 4-8mm)
For lawn sanding / soil aeration 1kg per 1m2 (0.5-1mm fraction)
In addition, it is worth mixing zeolite with the best product in our range – NB Minerals Basalt Flour, which improves the physical and chemical properties of the soil enriching it with minerals necessary for plant growth.
- Basic mineral- clinoptilolite > 80%,
- Dioxins : max 0.75 ng WHO-PCDD F-TEQ/kg product,
- Heavy metals : Pb – Max 30 ppm, Cd- Max 2.0 ppm,
- microbiological evaluation : Salmonella – 0%,
- exchange capacity 1.2-1.5 mol/kg,
- moisture content max.10 %,
- insoluble in water,
- color: gray-green,
- absorption: ammonia, bioamines,
- grain size: 0.5 -1.0 mm
- Spectral chemical analysis: SiO2 65.0 -72%, K2O 2.2- 3.4%, Na2O 0.2 -1.3%, Al2O3 11.5-13.5%, Fe2O3 0.7-1.9%, TiO2 0.1-0.3%, CaO 2.5 -5.5%, MgO 0.6 -1.2%.
- Keep out of reach of children.
Suitability for use: indefinitely
(When using proper storage conditions in original packaging without contact with moisture)
Zeolite is an auxiliary substance that improves the physical, biological, chemical properties and increases the efficiency of nutrient utilization in the soil. ”
The internal structure of zeolite is formed by pores and fissures connected by channels that contain either metal cations or water molecules. Its unique crystalline structure with pores and fissures has a high ion exchange capacity and selectivity, so it absorbs molecules, ions and nutrients from fertilizers and water in its lattice, then releasing them into the environment. When absorbing water, it does not change its volume or structure. Zeolite’s high level of processing ensures significant reverse hydration and dehydration of Zeolite.
In agriculture when growing crops, zeolite is used either as a soil conditioner or in the form of zeolite fertilizers (for example, with the addition of NPK), providing serious benefits to the soil and plants:
- retains and regulates nutrients (N, K, Ca, Mg) and releases them slowly, so they are available to plants over a longer period of time and can use them more efficiently.
- regulates the water balance of plants and soil by which it ensures more efficient water management.
- increases retention and water holding capacity of the soil
- prevents soil acidification and improves soil structure, which manifests itself in soil aeration and increased yields.
- prevents leaching of nutrients into groundwater, protects groundwater and contributes to environmental protection
- creates conditions for efficient growth, better plant condition and building a strong root system
- replenishes biological and trace elements such as calcium, iron, molybdenum, manganese, titanium and others.
Zeolite – a solution in times of drought and insufficient watering
Changes in climatic conditions affect agriculture through extremes – an increase in average temperatures, strong fluctuations in precipitation, an increase in average evaporation, or periods with a marked shortage of irrigation. These negative symptoms of climate change are particularly significant with light and sandy soils with low sorption capacity and in arid regions.
- Zeolite’s soakability is in accordance with PNR 02/08 109%
- Zeolite and its ability to reverse hydrate and dehydrate increases water retention in the soil, thus gaining the potential to better survive periods of drought from the point of view of crop cultivation, especially in light and sandy soils, where zeolite becomes a water reservoir. Studies have shown an increase in water absorption and water holding capacity of 10 d0 15% (Bernardi at. al., 2013)
- Zeolite application reduces water ingress by 59%, improves the ratio of soil water evaporation to soil fertility by 12% (Product Research Institute, 1989)
Zeolite – slow release effects of nutrients
When nitrogen fertilizers are applied to the soil, the action of external factors can cause nitrogen losses of up to 33% by volume, which reduces the efficiency of industrial fertilizer application. Any increase in the application rate of industrial fertilizers can cause luxuriant plant growth, contaminate the soil and groundwater with nitrates and lead to soil acidification, which ultimately reduces the final effect of fertilization.
- Zeolite, thanks to its high selectivity for ammonia and potassium cations, ensures their adsorption to its structure and subsequent slow release into the soil – zeolite fertilizers are slow-release nutrient fertilizers (S. Èuvanová at al., 2006). Zeolite releases absorbed nutrients, mainly nitrogen, slowly and evenly so that there is no overly luxuriant plant growth and greater risk of fungal diseases ) (M. Reháková at al., 2006)
- with the slow release of nutrients throughout the vegetation, the need for foliar fertilization decreases
- applied zeolite reduces leaching of plant nutrients and nitrates from the soil profile by 25% to 33% (Product Research Institute, ú. o. Trenèín, 1989).
natural zeolite contains biogenic and trace elements such as calcium, iron, molybdenum, manganese, titanium and others,
- maintains nitrogen in the upper layers of the soil. Studies have shown that 3 months after application, the amount of nitrogen in the upper soil layers was 24 to 59% higher, depending on the dose (Vilèek et al., 2013)
Zeolite – increases soil fertility
- zeolite application increases the air content of the soil, creates favorable conditions for the growth of soil micro-edaphone, the soil becomes active, its physical properties improve (Zhang et. al., 2014)
- zeolite eliminates the acidifying effects of SO2 and NO2 contamination, which is desirable for plants grown on acidified soils (Stylianou et al., 2008)
- systematic application of zeolite, or possibly zeolite fertilizers, shifts the pH of the soil toward neutral (Product Research Institute, 1989)
- by supplementing zeolite to the soil, the natural sorption complex is increased, which is especially important in sandy soils and soils with low carbon content.