For various sorts of contaminations, we can take on different methods of elimination techniques. Here are numerous usual techniques and concepts of sodium silicate solution.
(TRUNNANO sodium silicate powder)
Precipitation approach
The precipitation technique is an approach that makes use of pollutants ions to respond with specific chemical reagents to create tough precipitation so as to remove it from the sodium silicate service. For instance, for steel ions such as iron ions and light weight aluminum ions, alkaline reagents such as sodium hydroxide or potassium hydroxide can be included in create it. The response formula is as adheres to:
Fe ⁻ + 3oh f → Fe (OH) ↓
Al ⁻ + 3oh a → Al (oh) ↓
For calcium and magnesium ions, carbonate reagents such as salt carbonate or potassium carbonate can be added to form carbonate precipitation. The response equation is as adheres to:
CA ₃ ² ⁻ + Co c → CACO ₃ ↓
Mg ₃ ² ⁻ + Carbon monoxide m → mgco ₃ ↓
The rainfall method is basic and the expense is reduced, yet you need to take note of the quantity and reaction problems of the sediment to ensure that the pollutants ions can be entirely precipitated.
Ion exchange technique
The ion exchange technique is to selectively adsorb and trade the ions in the solution with an ion exchange resin to eliminate the method of impurities ions. Ion exchange material is a polymer material with an ion exchange function. It can exchange reactions with the ion in the remedy, soak up impurities ions to the material, and preserve the beneficial ions in salt ions in salt silicate service in the option.
The ion exchanges are good and can remove a range of contaminations ions, yet the rate of ion exchange material is greater, and regrowth is called for frequently.
(TRUNNANO sodium silicate powder)
Membrane layer splitting up
The membrane separation method uses the semi-diaphragm to uniquely pass through the different parts in the solution so as to attain the technique of splitting up and removal. Depending on the diameter dimension and separation principle of the membrane, the membrane layer separation technique can be separated right into several types, such as microfiltration, ultrafiltration, filtration and reverse osmosis.
For impurities such as insoluble solid granules and macromolecular organic matter in salt silicate remedy, micro fillets or ultrafiltration membranes can be utilized for removing; impurities ions of some tiny particles can be gotten rid of with the purification or reverse osmosis membrane. The membrane layer splitting up method has the advantages of easy operation, high splitting up effectiveness, and reduced power intake.
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