公开(公告)号：WO2023057397A1

公开(公告)日：2023-04-13

申请号：PCT/EP2022/077482

申请日：2022-10-03

Applicant: TESSENDERLO GROUP NV

Inventor： FAIRWEATHER, Thomas David ,  HOJJATIE, Michael ,  FRANCO, Jorge

IPC: C01B17/64 ,  C05D5/00 ,  C05D9/00 ,  C05D9/02

Abstract: The present invention relates method for the production of a thiosulfate comprising the steps of(i) providing a thiosulfate A represented by formula (X)n(S2O3)m;(ii) providing a compound B represented by formula (Y)o(Z)p;(iii) contacting the thiosulfate A of step (i) with the compound B of step (ii) in the presence of a solvent, thereby obtaining a reaction mixture comprising a compound C represented by formula (X)q(Z)r and a thiosulfate D represented by formula (Y)s(S2O3)t;wherein the ratio of the solubility of the thiosulfate D in the solvent at a predetermined temperature to the solubility of the compound C in the solvent at the same predetermined temperature is at least 5:1 or less than 1:5. The invention also relates to liquid fertilizers obtainable by the method of the invention.