FR643968A - Procédé de fabrication de phosphate d'ammonium ou d'engrais mixtes contenant du phosphate d'ammonium par lixiviation de phosphate brut
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Procédé de fabrication de phosphate d'ammonium ou d'engrais mixtes contenant du phosphate d'ammonium par lixiviation de phosphate brut
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C05B11/00—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes
C05B11/04—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid
C05B11/08—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid using sulfuric acid
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FR643968D1927-07-121927-10-10Procédé de fabrication de phosphate d'ammonium ou d'engrais mixtes contenant du phosphate d'ammonium par lixiviation de phosphate brut
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(fr)