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1. WO2020112427 - FLUID TREATMENT VESSEL

Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

[ EN ]

Claims

1. A fluid treatment apparatus comprising:

(a) a tank comprising a bed of at least one fluid treatment medium,

(b) a distributor plate separating the bed from an end portion of the tank, and

(c) at least one inert medium comprising amorphous particles having a harmonic mean diameter from 2.5 to 250 mm and a density from 0.57 to 0.998 cm3/g;

wherein volume of the end portion containing inert medium is from 25 to 95% of total volume of the end portion.

2. The method of claim 1 in which the amorphous particles have an average sphericity from 0.7 to 1 and an average roundness from 0.4 to 1.

3. The method of claim 2 in which volume of the end portion containing inert medium is from 30 to 90% of volume of the end portion.

4. The method of claim 3 in which the harmonic mean diameter is from 2.5 to 100 mm.

5. The method of claim 4 in which the amorphous particles have an average sphericity from

0.7 to 0.95 and an average roundness from 0.45 to 0.95.

6. The method of claim 5 in which the fluid treatment medium is an ion exchange resin.

7. The method of claim 6 in which volume of a lower end portion containing inert medium is from 40 to 90% of volume of the lower end portion