A process for preparing keratin fertilizer with addition of humic acids in colloidal form and keratin fertilizer with added humic acids

摘要

Disclosed is a process for the preparation of keratin fertilizer with the addition of humic acids in colloidal form and a fertilizer produced in this way, which is obtained by treating the feathers from a poultry plant, e.g. chicken, goose, duck, ostrich, and bristle, bovine hair, horn and hoof, pig spokes, fish remnants, hair, hair, skin remnants, hair, sheep wool, camel wool, pig bristles and cattle, kangaroos, bovine, camel, kangaroo bones, bone from any poultry and pig bones. Neutralization in the fifth step is performed with citric acid (C3H5O. (COOH) 3) or acetic acid (CH3COOH) or formic acid (HCOOH).