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For different types of impurities, we can embrace various approaches of elimination techniques. Here are a number of typical approaches and principles of salt silicate remedy.
(TRUNNANO sodium silicate powder)
Rainfall method
The precipitation technique is an approach that uses contaminations ions to respond with particular chemical reagents to create challenging rainfall so regarding remove it from the sodium silicate option. As an example, for steel ions such as iron ions and aluminum ions, alkaline reagents such as sodium hydroxide or potassium hydroxide can be added to form it. The response equation is as adheres to:
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 contributed to create carbonate rainfall. The reaction formula is as follows:
CA ₃ ² ⁻ + Carbon monoxide c → CACO ₃ ↓
Mg ₃ ² ⁻ + Carbon monoxide m → mgco ₃ ↓
The rainfall method is basic and the price is low, yet you require to take note of the quantity and reaction problems of the sediment to guarantee that the contaminations ions can be entirely precipitated.
Ion exchange method
The ion exchange technique is to precisely adsorb and trade the ions in the remedy with an ion exchange resin to get rid of the method of contaminations ions. Ion exchange material is a polymer product with an ion exchange feature. It can exchange responses with the ion in the service, take in impurities ions to the resin, and keep the helpful ions in sodium ions in salt silicate option in the remedy.
The ion exchanges are great and can get rid of a range of pollutants ions, however the cost of ion exchange material is higher, and regrowth is needed regularly.
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Membrane splitting up
The membrane layer splitting up method uses the semi-diaphragm to uniquely travel through the various components in the solution so regarding accomplish the technique of separation and elimination. Depending on the diameter dimension and splitting up concept of the membrane layer, the membrane separation approach can be split right into numerous kinds, such as microfiltration, ultrafiltration, purification and reverse osmosis.
For pollutants such as insoluble solid granules and macromolecular organic matter in salt silicate option, micro fillets or ultrafiltration membrane layers can be made use of for eliminating; pollutants ions of some small molecules can be gotten rid of with the purification or reverse osmosis membrane. The membrane separation method has the benefits of basic procedure, high separation performance, and low power consumption.
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TRUNNANO is a supplier of nano materials with over 12 years experience in nano-building energy conservation and nanotechnology development. It accepts payment via Credit Card, T/T, West Union and Paypal. Trunnano will ship the goods to customers overseas through FedEx, DHL, by air, or by sea. If you want to know more about sodium metasilicate use, please feel free to contact us and send an inquiry.
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