Continuous process for obtaining and / or for the preparation of polysaccharide derivatives.

摘要

Procedure for obtaining and / or developing continuously polysaccharide derivatives by reaction and / or conditioning in a suspension with components of the liquid reaction, characterized in that, according to Figure 1 a) is introduced continuously a current in suspension, preheated if appropriate to 185 ° C, consisting of solids SE and liquid phase LE, in the head of a column which is, if appropriate, under a pressure cushion of up to 6 * 106 Pa, that is largely filled with a different liquid phase L, identical or heated to the same temperature, then b) the solids SE freely sedimented to the bottom of the column, under the action of gravity, through the liquid phase L, transforming the solid matter in the solids SA by reaction and / or conditioning with the liquid phase L and c) are removed from the gas column G, asc endentes optionally travésde the head of the column and d) is discharged solid matter SA, continuously, as a stream in suspension, the bottom of the column, again by adding liquid phase LR, previously withdrawn from the top of the column and conveyed to the bottom of the column through a separate and / or new liquid phase LN connection dosed from the outside on the bottom of the column, maintaining constant the filling level of the column.