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Hygienization of solid animal byproducts?

Hygienization of solid animal byproducts?

(OP)
Hygienization of animal manure is often mandatory when the manure leaves the confines of one agricultural operation. All hygienization processes I know dilute the manure to create a basically pumpable product, then it's either pipe-in-pipe or other HX or a jacketed vessel.

Sides substrate handling, dilution makes a lot of sense to get a decent heat transfer within the material.

I still wonder If there are technolgies/serious, working attempts for the hygienization of solid manure (TS 20-50% or more), I'm especially interested in technologies for chicken manure.

The hygienzation we are looking at is 70°C for one hour, particle size <12mm

RE: Hygienization of solid animal byproducts?

Heated drying processes as well as composting may be used.

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