Biogas/Digestate
If your biofertilizer is expensive to manage and difficult to dispose of, it can be a challenge for your business. Processing the digestate from biogas plants could be a way to address this issue while simultaneously creating a more useful and valuable material.
Biogas/Digestate
If your biofertilizer is expensive to manage and difficult to dispose of, it can be a challenge for your business. Processing the digestate from biogas plants could be a way to address this issue while simultaneously creating a more useful and valuable material.
We provide facilities for digestate processing!
Our digestate processing facilities help break down and convert biofertilizer into products that may be more valuable for you or in demand in the market. It is also important to consider how these solutions impact your business’s overall sustainability goals and ecological footprint.
Challenges
Biofertilizer/digestate is a good fertilizer, but there are some difficulties. There is a risk of significant nitrogen loss during spreading and storage. Additionally, the nutrient composition is rarely optimal. Crops often need significantly more nitrogen. Furthermore, biofertilizer contains between 92 and 98 percent water, which causes soil compaction during field application and unnecessary costs in transportation.
Our Solution
With EkoBalans technologies for digestate processing, the digestate is treated to separate nitrogen, phosphorus, and organic material as much as possible. The extracted fractions can remain locally or be purchased by us to be used as raw materials in our own production of soil improvement products.
The Result
With EkoBalans solutions for digestate processing, you achieve maximum nitrogen utilization, reduced climate impact, lower transportation costs, and less need for storage space.
Biogas/Digestate
Anaerobic Digestion
Anaerobic digestion is the biological breakdown of organic material in oxygen-free, or anaerobic, conditions.
In a closed reactor, microorganisms break down the waste, producing energy-rich biogas. The gas mainly consists of carbon dioxide and methane, but also contains smaller amounts of water vapor, nitrogen gas, and hydrogen sulfide.
Biogas can be used for heat production or injected into the natural gas grid to be used as vehicle fuel. In the latter case, the gas needs to be purified, a process known as upgrading to biomethane. Biomethane is a renewable alternative to fossil natural gas.
Biogas/Digestate
Digestate
The digestion process also produces digestate, or biofertilizer, as it is sometimes called. It should not be confused with sewage sludge, which is a byproduct of wastewater treatment.
Biofertilizer contains plant nutrients and is spread as liquid fertilizer on farmland. This handling is convenient and relatively inexpensive if the digestate is produced close to the place of use, such as on the farm itself. However, biofertilizer contains a large amount of water, making it expensive to handle if it needs to be transported over long distances.
Some farmers are also hesitant to spread biofertilizer due to concerns about soil compaction. In some cases, farmers may not be able to accept biofertilizer at all if they lack a storage pit.
Biogas/Digestate
Plant Nutrients
Compared to natural fertilizer, biofertilizer contains more plant-available nutrients. It includes both macro- and micronutrients, as well as carbon. The heavy metal content is low, and pathogens and weed seeds are destroyed since many digestion plants have a hygienization unit.
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