| abstract |
The invention relates to a process comprising: - the entry into a device of an aqueous fluid containing at least one inorganic salt, the water of the aqueous fluid being under supercritical conditions or conditions close to the supercritical range in the device, - measuring the concentration or the amount of inorganic salt in the device, this measurement preferably being carried out before the inorganic salt enters the device, - bringing the inorganic salt into contact with an aqueous stream containing at least one hydroxide salt in order to obtain, in the device, an aqueous fluid mixture containing an inorganic salt and a hydroxide salt, - adjusting the concentration or the amount of hydroxide salt as a function of the concentration or the amount of inorganic salt in order to at least partly dissolve the inorganic salt, and - preferably measuring the concentration or the amount of inorganic salt leaving the device. |