A column of reaction to resins adsorbent and iron-exchange

摘要

P a. the invention relates to a column containing resins, consisting of a tube closed at both ends, while preserving the openings to the input and output of the materials being b. the column contains a space which receives the resin, it is possible to vary the volume by means of a part which is permeable to liquid but not with the resin, the liquid to be treated can enter and leave without the resin is shown acc. / p & & p & c. this column makes it possible to avoid the difficulties due to the flotation of the resin and to its changes in volume. / p