The method and principle of sodium silicate solution removal sodium alumino silicate

(The method and principle of sodium silicate solution removal sodium alumino silicate)

For different types of contaminations, we can adopt various methods of elimination approaches. Right here are numerous typical approaches and concepts of sodium silicate service.

(TRUNNANO sodium silicate powder)
Rainfall approach

The precipitation approach is a method that utilizes pollutants ions to respond with particular chemical reagents to produce difficult rainfall so regarding eliminate it from the sodium silicate option. As an example, for metal ions such as iron ions and aluminum ions, alkaline reagents such as sodium hydroxide or potassium hydroxide can be contributed to form it. The response equation is as follows:

Fe ⁻ + 3oh f → Fe (OH) ↓

Al ⁻ + 3oh a → Al (oh) ↓

For calcium and magnesium ions, carbonate reagents such as sodium carbonate or potassium carbonate can be added to develop carbonate precipitation. The response equation is as complies with:

CA ₃ ² ⁻ + Co c → CACO ₃ ↓

Mg ₃ ² ⁻ + Carbon monoxide m → mgco ₃ ↓

The rainfall method is simple and the cost is reduced, but you need to pay attention to the quantity and response conditions of the sediment to guarantee that the impurities ions can be entirely precipitated.

Ion exchange method

The ion exchange method is to selectively adsorb and trade the ions in the service with an ion exchange material to eliminate the technique of contaminations ions. Ion exchange material is a polymer material with an ion exchange feature. It can exchange reactions with the ion in the option, soak up impurities ions to the material, and retain the valuable ions in sodium ions in salt silicate solution in the option.

The ion exchanges are great and can eliminate a selection of impurities ions, yet the cost of ion exchange resin is greater, and regeneration is called for regularly.

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Membrane splitting up

The membrane layer separation approach utilizes the semi-diaphragm to selectively travel through the various parts in the option so regarding accomplish the technique of splitting up and removal. Depending on the diameter size and separation principle of the membrane layer, the membrane layer splitting up approach can be separated into several types, such as microfiltration, ultrafiltration, purification and reverse osmosis.

For contaminations such as insoluble strong granules and macromolecular raw material in salt silicate solution, mini fillets or ultrafiltration membrane layers can be made use of for removing; contaminations ions of some small molecules can be gotten rid of with the filtering or turn around osmosis membrane layer. The membrane separation approach has the benefits of basic procedure, high splitting up performance, and reduced energy usage.

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(The method and principle of sodium silicate solution removal sodium alumino silicate)