B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
182/4
B01D 15/02 (2006.01) B01J 39/00 (2006.01) B01J 47/02 (2006.01) B01J 49/00 (2006.01)
Patent
CA 1174985
COUNTER-CURRENT ADSORPTION FILTERS FOR THE TREATMENT OF LIQUIDS AND A METHOD OF OPERATING THE FILTER Abstract of the Disclosure 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. Le A 20 681
388874
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
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