AMBERLITE™ MB20 Resin
Mixed Bed Resin for High Purity Water Applications
Description
AMBERLITE MB20 Resin is an ionically equilibrated mixed bed resin. It is a fully regenerated, ready-to-use mixture of a strong acid cation exchanger with a strong base type 1 anion exchanger. AMBERLITE MB20 Resin has been developed for the production of high purity water. It can be used for all applications requiring totally demineralised water, free of silica and of carbon dioxide.
The operating capacity of the mixed bed can be estimated using the following formula, which gives an approximate determination of volume of water that can be treated:
BV =
500
or
gals =
187500
TDS (meq/l)
TDS (as CaCO3)
Typical Physical and Chemical Properties
where BV (Bed Volume) is the number of litres of a feed water containing a TDS (Total Dissolved Solids) given in meq/L (or gals per ft3 resin with TDS as CaCO3) that can be demineralised with one litre of the resin mixture when run to exhaustion.
If required, AMBERLITE MB20 Resin can be regenerated after exhaustion. Both components must be separated by backwashing and regenerated separately.
Suggested Operating Conditions
|
Physical form |
Mixture of white to amber spherical beads |
|
Matrix |
Styrene divinylbenzene copolymer |
|
Functional groups |
Sulphonic acid and trimethylammonium |
|
Ionic form as shipped |
H+/OH– |
|
Composition in volume |
38–44% cation, 56–62% anion |
|
Shipping density |
715 g/L (45 lbs/ft3) |
|
Particle size |
|
|
< 0.300 mm, max. |
3% |
|
Maximum operating temperature |
60ºC / 140ºF |
|
Minimum bed depth |
700 mm (2.3 ft) |
|
Service flow rate |
20–40 BV*/h (2.5–5 gpm/ft3) |
|
Regeneration |
|
|
Type |
Cation: HCl or H2SO4 ; Anion: NaOH |
Packaging
25 liter bags or 7 cubic foot drum
Product Stewardship
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Customer Notice
Dow strongly encourages its customers to review both their manufacturing processes and their applications of Dow products from the standpoint of human health and environmental quality to ensure that Dow products are not used in ways for which they are not intended or tested. Dow personnel are available to answer your questions and to provide reasonable technical support. Dow product literature, including safety data sheets, should be consulted prior to use of Dow products. Current safety data sheets are available from Dow.
