Table 2 Ion exchange process—specification of the demonstration scale pilot plant.

From: Preparation and evaluation of zeolites for ammonium removal from municipal wastewater through ion exchange process

 

Units

Zeolite-N

Zeolite6

Operational parameters

Max wastewater flow rate

L/day

10,000

10,000

Regenerant

 

10% KCl

10% KCl

Flow rate during normal operation

L/h

416.7

416.7

Flow rate during backwash

L/h

500

500

Volume column filled with media

L

69

35

Empty bed contact time (EBCT) during adsorption

min

10

5

Bed volumes of regenerant

 

10

10

Column

Outer diameter

mm

315

225

Wall thickness

mm

4

4

Inner diameter

mm

307

217

Sectional area

dm2

7.4

3.7

Cylindrical column height

mm

1566

1577

Column volume

L

115.9

58.3