DESCRIZIONE
The present invention relates to a method and device for growing biomass on sludge, comprising the steps of: -providing aquatic worms in a reactor, -providing a sludge for growing aquatic worm biomass, -supplying the reactor, comprising the aquatic worms, with the sludge to allow aquatic worm biomass to grow, and, -obtaining compounds selected from the group consisting of proteins, lipids, fatty acids, and amino acids from the aquatic worm biomass.