What to know about granule materials with the Spouted Bed Drying process

Will the final granule have heavy metals?

The granulation process does not add or eliminate any heavy metal, it only eliminates water.

Can you granulate solid materials?

Yes, but only if they are mixed with other liquid or pasty materials.

Is spouted bed drying/granulation suitable for organic fertilizer products?

Yes, if the material or the mixture of materials, is suitable for organic farming before granulation, it will be also OK for organic farming after granulation.

What are the organic wastes that you can granulate?

We have been already granulating with success, mixtures of: digestate (liquid or solid), struvite, liquid ammonium sulphate from digestate treatment, blood, municipal sewage sludge, compost … with or without adding mineral fertilizers to the mixture.

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