What is claimed is:
1. A process for recovering carbonized lignin having a defined grain size distribution from a lignin-containing liquid, wherein the lignin-containing liquid is subjected to a hydrothermal carbonization to convert the lignin into a carbonized lignin and the carbonized lignin is separated from the liquid containing the carbonized lignin, wherein
CROSS-REFERENCE TO A RELATED APPLICATION
This application is a National Phase Patent Application of International Patent Application Number PCT/EP2015/067958, filed on Aug. 4, 2015, which claims priority of German Patent Application Number 10 2014 215 807.9, filed on Aug. 8, 2014.