The method and principle of sodium silicate solution removal pq corporation sodium silicate
For different sorts of impurities, we can take on different approaches of removal methods. Below are a number of typical approaches and principles of sodium silicate service.
(TRUNNANO sodium silicate powder)
Precipitation method
The precipitation approach is an approach that makes use of impurities ions to react with certain chemical reagents to generate hard precipitation so as to eliminate it from the salt silicate remedy. For example, for metal ions such as iron ions and light weight aluminum ions, alkaline reagents such as sodium hydroxide or potassium hydroxide can be included in develop it. The reaction formula is as follows:
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 included in create carbonate rainfall. The response formula is as complies with:
CA ₃ ² ⁻ + Co c → CACO ₃ ↓
Mg ₃ ² ⁻ + Carbon monoxide m → mgco ₃ ↓
The rainfall technique is straightforward and the cost is reduced, however you need to take note of the amount and response problems of the sediment to guarantee that the contaminations ions can be entirely precipitated.
Ion exchange method
The ion exchange method is to precisely adsorb and exchange the ions in the solution with an ion exchange resin to remove the technique of impurities ions. Ion exchange resin is a polymer material with an ion exchange feature. It can exchange responses with the ion in the solution, soak up impurities ions to the resin, and keep the valuable ions in sodium ions in salt silicate option in the service.
The ion exchanges are excellent and can remove a selection of pollutants ions, but the price of ion exchange resin is greater, and regrowth is needed regularly.
(TRUNNANO sodium silicate powder)
Membrane separation
The membrane separation technique makes use of the semi-diaphragm to selectively pass through the various elements in the remedy so regarding accomplish the approach of separation and removal. Depending upon the diameter dimension and separation principle of the membrane layer, the membrane splitting up approach can be separated right into several kinds, such as microfiltration, ultrafiltration, filtration and turn around osmosis.
For contaminations such as insoluble strong granules and macromolecular organic matter in sodium silicate remedy, micro fillets or ultrafiltration membrane layers can be utilized for eliminating; impurities ions of some small particles can be gotten rid of with the purification or reverse osmosis membrane. The membrane separation method has the advantages of basic procedure, high separation performance, and low power intake.
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For different sorts of impurities, we can take on different approaches of removal methods. Below are a number of typical approaches and principles of sodium silicate service. (TRUNNANO sodium silicate powder) Precipitation method The precipitation approach is an approach that makes use of impurities ions to react with certain chemical reagents to generate hard precipitation…