Process & contact
BioEcoSim by Suez
This process is no longer under development
Input materials
Liquid manure or liquid digestate, with dry matter content of at least 35%
Output products
Precipitated phosphate salts, ammonium sulphate, organic soil amendment (biochar)
Process description
- mineral acids are used to dissolve nutrients into liquid fraction
- solid-liquid separation
- optionally: superheated steam drying, then pyrolysis
- phosphate precipitation from liquor
- gas permeable membrane ammonia stripping
- palletisation of solid biochar
Operating status
Process developed by Fraunhofer IGB and transferred to Suez.
A 1.2 t/day pig manure pilot was operated by Fraunhofer IGB 2017-2018 at Kupferzell, Germany.
A pilot plant (10 000 t/y) has been operating since July 2019 in Zorbau, Germany. Its current status is unknown.
Industrial scale was indicated to be in preparation.