New 1995 for the manufacture of phosphoric acids by a wet route

摘要

P the invention relates to a process for the preparation of phosphoric acids by a wet route, by reaction of at least one natural phosphate on at least a strong acid, such as sulphuric acid, preferably, characterized in that said reaction is carried out in the presence of 50 to 500 g / t of phosphate consumed at least one nonionic surfactant obtained by condensation of 2 to 30 molecules of ethylene oxide per molecule of at least one fatty alcohol. / p