طريقة ومبدأ إزالة محلول سيليكات الصوديوم بمحلول سيليكات الصوديوم

For different sorts of contaminations, we can take on various approaches of removal techniques. Here are a number of usual techniques and concepts of sodium silicate service.

Rainfall technique

The rainfall method is a technique that utilizes contaminations ions to react with particular chemical reagents to create tough rainfall so regarding remove it from the sodium silicate remedy. كمثال, for steel ions such as iron ions and light weight aluminum ions, alkaline reagents such as salt hydroxide or potassium hydroxide can be contributed to develop it. The response equation is as follows:

Fe ⁻ + 3oh f → Fe (أوه) ↓

Al ⁻ + 3oh a → Al (oh) ↓

For calcium and magnesium ions, carbonate reagents such as salt carbonate or potassium carbonate can be added to create carbonate rainfall. The reaction equation is as complies with:

CA ₃ ² ⁻ + Co c → CACO ₃ ↓

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

The precipitation approach is straightforward and the price is low, yet you need to take notice of the quantity and response conditions of the debris to make sure that the pollutants ions can be entirely precipitated.

Ion exchange approach

The ion exchange method is to selectively adsorb and exchange the ions in the remedy with an ion exchange resin to remove the method of impurities ions. Ion exchange material is a polymer material with an ion exchange feature. It can exchange responses with the ion in the option, take in pollutants ions to the material, and keep the helpful ions in sodium ions in sodium silicate option in the remedy.

The ion exchanges are excellent and can get rid of a selection of contaminations ions, but the price of ion exchange material is greater, and regeneration is needed regularly.

Membrane separation

The membrane separation technique uses the semi-diaphragm to uniquely travel through the various components in the service so regarding attain the technique of splitting up and removal. Depending upon the diameter size and separation principle of the membrane layer, the membrane layer splitting up method can be separated into several types, such as microfiltration, ultrafiltration, filtration and reverse osmosis.

For pollutants such as insoluble strong granules and macromolecular raw material in salt silicate option, mini fillets or ultrafiltration membrane layers can be made use of for eliminating; pollutants ions of some little particles can be removed with the purification or reverse osmosis membrane. The membrane layer separation technique has the advantages of easy operation, high separation efficiency, and low power usage.

مزود

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