Patent ID: 9738566
Date: 2017-08-22
CPC Classifications: C05F,Y02A,Y02P,Y02W

Claim:
1. A process for the production of a fertilizer product based on faecals produced by animals, wherein: a. faecals from mammals are provided by separating liquid manure from slurry, b. the faecals of step a are processed within less than 10 hours with an oxidizing acid to transform at least 50% by weight of the faecals, calculated on the basis of dry matter content of the faecals components from a water insoluble form into a water soluble form, and whereby heat is formed by the reaction, c. a pressure below atmospheric pressure is applied in the reaction of step b, d. solid water-insoluble components are separated to provide a liquid component and solid water-insoluble components, e. after completing processing the liquid component is neutralized with a base, in order to form said fertilizer product, f. the solid water-insoluble components of step d are treated with a strong base in order to at least partially dissolve these components, and g. the solid water-insoluble components dissolved in step f are used in the neutralization of step e.