Residual biomass from the agri-food industry is a potential source of bioenergy and bioproducts. The research and application of biological processes, thermo-chemicals and chemicals to obtain energy, high value-added products and biofuels from organic and biomass waste was considered. With the aim of increasing the efficiency of the processes and obtaining more competitive, higher quality/purity products at a lower cost. Among these actions, the obtaining of struvite from digestate obtained in the anaerobic digestion of pig manure was studied.
The crystallization of nitrogen and phosphorus in the form of magnesium ammonium phosphate hexahydrate (MgNH4 PO4·6H2O) also known as MAP or struvite, is one of the possible techniques used to eliminate and/or recover nutrients from the digestate, obtaining a product that can be applicable as a base in biofertilizers of high quality.
Fluidized bed crystallization is a process in which a solution circulates through a crystallizer in which the crystals are suspended by the rising fluid. The flow is such that the crystal does not deposit or flow out of the crystallization reactor, which allows the correct growth of the crystal due to the optimal contact between all the reagents that are part of the process.
The technology has been demonstrated at a sufficiently relevant scale (crystallisation reactor with a capacity of 50 L), so that the results can be used for subsequent implementation on an industrial scale.
Linked Product: Struvite from digestate and manure by "REVAWASTE" process, ID:250
Basic information
- Name: Fundación Cartif
- Contact: Francisco Corona
- Vendor website
Languages
Technologie de récupération de phosphate sous la forme de struvite à partir de lisier de porc digéré avec un cristallisoirà lit fluidisé
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Tecnología para la recuperación de P en forma de estruvita partiendo de digestato de purines mediante un sistema de cristalización en lecho fluidizado (ID:256)
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Technologia odzyskiwania P jako struwitu, począwszy od pofermentu świń z systemem krystalizacji w złożu fluidalnym
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Sertéstrágya-fermentáviójából származó struvit P kinyeréséri technológia fluidágyas kristályosító rendszerrel
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