Liquid purification or separation – Processes – Ion exchange or selective sorption
Patent
1983-04-06
1985-05-28
Therkorn, Ernest G.
Liquid purification or separation
Processes
Ion exchange or selective sorption
210264, 210266, 210275, 210283, 210290, C02F 142
Patent
active
045199175
ABSTRACT:
The invention concerns a counter-current adsorption filter for the treatment of liquids, with different adsorbents which require different regenerating agents, in which loading of the different adsorbents is effected in a stream of liquid flowing upwards and regeneration of the different loaded adsorbents with the different regenerating agents is effected in a stream of liquid flowing downwards, the inside of which filter is subdivided, by horizontal devices which are permeable to liquid, into a number of chambers corresponding to the number of different adsorbents to be used; in which the adsorbents which are regenerated with different regenerating agents are present in adjacent chambers; the chambers - with the exception of the topmost chamber of the filter - are equipped with a liquid drainage system which is located below the device which is permeable to liquid and forms the upper boundary of the chamber, and which is embedded in a layer of inert material; and in which the individual chambers are filled with a certain amount of adsorbent. The invention furthermore concerns a process for the operation of this letter.
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Bayer Aktiengesellschaft
Therkorn Ernest G.
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