Natural phosphate sources low in heavy metals are getting scarce. Containing about 15 mass-% of P2O5, sewage sludge ash can be considered as secondary phosphorus (P-) source. The P-content in the European sewage sludge could replace roughly 15% of the phosphate imports into the EU. The RecoPhos project will use an innovative reactor in order to recover phosphorus from sewage, sludge and ashes. The reactor was originally designed for the reductive recovery of steel work dusts. By the use of ashes the material flow will be minimal; if only sludge is available, it can be also used as input, adding flexibility to the concept. If additives are needed, suitable industrial wastes can be used.

The Challenge

Phosphorus is a key plant nutrient and a major economic factor – around 90% of the phosphorus produced annually are used in the fertiliser industry. Global demand is cur … more

Project Description

European universities, small and medium-sized enterprises and multi-national industry have joined forces in the RecoPhos consortium to develop a sustainable and highly efficient pr … more

Expected Results & Impacts

The RecoPhos process is designed to enhance the purity of the phosphorus recovered through application of the innovative InduCarb technique increase the efficiency of phosphoru … more

Basic Facts

Project: Recovery of Phosphorus from Sewage Sludge and Sewage Sludge Ashes with the Thermo-Reductive RecoPhos Process Duration: 36 months (March 2012 – February … more
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