With PHOS4green, we have developed an innovative patent-protected technology to recover the essential nutrient phosphorus from sewage sludge ashes and use it for new phosphate or compound fertilizers. Recovery of phosphorus from ashes. Direct conversion into fertiliser granules. Heavy metal depletion. Meet us at the CRU Phoaphates 26-28 February 2024 in Warsaw, Poland at stand 36 and learn more about our proven technology.