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Demineralizing
MB400 Demineralizing bed Purlotie
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Purolite MB400 is a mixed demineralizing resin for obtaining water with very high chemical purity. It consists of a strongly acidic cat Read moreShow less
Purolite MB400 is a mixed demineralizing resin for obtaining water with very high chemical purity. It consists of a strongly acidic cation exchange resin and a strongly basic anion exchange resin (H+/OH- ionic form). Used, among others, for laboratory water, medical and dental equipment, marine aquaristics, and streak-free window cleaning. The price refers to a 1-liter package.
Specifications
MB400-1L
In stock
- Application
- Demineralization, Whole house
- Maximum working temperature
- 60 °C
- Filter media
- Ion-exchange resin, Mixed-bed resin
- Media volume
- 1 l
- Product type
- Filter media / resin
Description
Purolite MB400 is a mixed demineralizing bed designed to produce water with very high chemical purity and very low conductivity. This specialized water treatment material combines a strong acid cation resin and a strong base anion resin in the H+/OH- ionic form, enabling it to effectively remove dissolved ions from water. MB400 bed is used wherever high water quality matters: in laboratories, for supplying medical and dental devices, in marine aquaristics, and wherever spot-free water is needed, e.g. for window washing. It works very well with systems such as a reverse osmosis filter, a reverse osmosis system, or an advanced water filtration system. The price applies to a 1-liter package.
Purolite MB400 złoże demineralizujące do wody demineralizowanejPurolite MB400 – bed for producing demineralized water
MB400 is a mixed ion-exchange bed used for final water demineralization and for obtaining very low conductivity. Its action is based on combining two types of ion-exchange resins: a strong acid cation resin and a strong base anion resin. This composition makes it possible to effectively remove both cations and anions present in the water.
In practice, this means the possibility of obtaining water suitable for applications requiring high chemical purity. The bed is often used as a supplement to systems in which reverse osmosis or another preliminary purification stage operates beforehand. As a result, the entire water filter or technological installation can achieve significantly better final parameters.
Applications of Purolite MB400 bed
The Purolite MB400 demineralizing bed is suitable for applications where DEMI water or water with very low conductivity is required.
- water for laboratory purposes
- demineralized water for medical / dental equipment
- DEMI water for marine aquaristics
- water demineralization for window washing (no streaks / smears)
- reducing water conductivity - the bed makes it possible to obtain water with conductivity of 0 uS or close to 0 uS depending on the incoming water parameters and flow rate
How does the water demineralization process work?
Inside the filtration column there is a mixed cation resin in the hydrogen form H+ and an anion resin in the hydroxyl form OH-. As water flows through the bed, ion exchange takes place, removing dissolved ionic components.
When water comes into contact with the cation resin, all cations are released and replaced by hydrogen ions. Then, as it flows through the anion resin, all negatively charged ions are exchanged for hydroxyl ions. Hydrogen ions and hydroxyl ions combine with each other, forming demineralized water whose chemical formula is close to H²O.
This operating principle makes the MB400 bed an effective solution wherever the final water quality has a direct impact on process safety, result repeatability, or the aesthetics of the final effect.
Key benefits in everyday use
- enables the production of water with high chemical purity
- effectively lowers water conductivity
- can support final water polishing after stages such as an osmotic filter or reverse osmosis system
- is suitable for professional, technical, and hobby applications
- helps obtain streak-free, spot-free water when washing glass surfaces
- works well wherever stable DEMI water quality is required
Operation and installation recommendations
To achieve proper operating parameters, the bed should be used in accordance with operating recommendations. Particular importance should be given to the working bed depth, operating temperature, and the quality of the feed water.
The maximum operating temperature is 60 degrees Celsius, and the minimum bed depth should be 70 cm. For best results, the water fed for demineralization is recommended to be pretreated by reverse osmosis. Such a combination of purification stages usually improves the efficiency of the bed and helps maintain high final water quality for longer.
Additional important information
- Ratio of cation resin to anion resin: 1.0/1.5
Technical specification
| Type of bed | Mixed demineralizing bed |
|---|---|
| Composition | Strong acid cation resin and strong base anion resin |
| Physical form | Spherical beads |
| Functional groups | Sulfonic acid and quaternary ammonium |
| Ionic form | H+/OH |
| Particle size range | 0.3-1.2 mm |
| Bulk density | 705-740 g/l |
| Recommended raw water flow rate | 10-20 OZ/h |
| Recommended demineralized water flow rate | 20-40 OZ/h |
| Working capacity | 30 g CaCO₃/l |
| Treated water conductivity for one column | 1.0-5.0 uS/cm |
| Conductivity after two columns connected in series | 0.1-0.5 uS/cm |
| Maximum operating temperature | 60 degrees Celsius |
| Minimum bed depth | 70 cm |
| Package | 1 liter |
Questions
What is Purolite MB400 bed used for?
Purolite MB400 is used to obtain water with high chemical purity and very low conductivity. It is used, among others, in laboratories, with medical and dental devices, in marine aquaristics, and for streak-free window washing.
What is MB400 bed made of?
The bed consists of two ion-exchange resins: a strong acid cation resin and a strong base anion resin. They operate in the H+/OH- ionic form.
How does demineralization on a mixed bed work?
The cation resin exchanges positively charged ions for hydrogen ions H+, and the anion resin exchanges negative ions for hydroxyl ions OH-. When H+ and OH- combine, demineralized water is formed.
Can MB400 be used after reverse osmosis?
Yes, it is recommended that the water fed for demineralization be pretreated by reverse osmosis. This combination usually improves final water quality and supports the efficiency of the bed.
What water conductivity can be achieved?
The bed makes it possible to obtain water with conductivity of 0 uS or close to 0 uS, depending on the incoming water parameters and flow rate. For one column, the treated water conductivity is 1.0-5.0 uS/cm, and with two columns connected in series it is 0.1-0.5 uS/cm.
What are the basic operating conditions?
The maximum operating temperature is 60 degrees Celsius, and the minimum bed depth is 70 cm. It is also important to maintain the recommended flow rates and use properly prepared feed water.
What are the recommended flow rates?
The recommended raw water flow rate is 10-20 OZ/h, while the recommended demineralized water flow rate is 20-40 OZ/h.
Is this product suitable for marine aquaristics?
Yes, MB400 is used for preparing DEMI water for marine aquaristics, where a very low level of ionic impurities is very important for water parameter stability.
How much product does the listed price include?
The price applies to a 1-liter package of Purolite MB400 bed.
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