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Sodium Silicate Manufacturing Plant

Asia chemical offers two types of plants depending on the Silica feedstock and the expected product

Solid sodium silicate

Sodium silicate can be produced by dissolving silica in molten sodium carbonate. It can also be produced in a reactor, by treating a mixture of caustic soda, water and silica in the form of quartz sand with hot steam. The chemical compound can be also be produced from sodium sulfate with carbon as a reducing agent.

Process reaction in solid phase (thermal process)

The feed materials in this process are sodium carbonate and quartz sand, or sodium sulfate and quartz sand. The feed materials are heated in a reflection furnace. The reaction is as follows:

Na2CO3 +XSiO2 → (Na2O)•(SiO2)X + CO2

4Na2SO4 +2C +4SiO2 → 4Na2SiO3 +4SO2 +2CO2

The sodium silicate produced by this thermal process has modules depending on the requirements of different applications.

production method

The production methods of sodium silicate are divided into dry method (solid-phase method) and the wet method (liquid phase method).

1. Dry production is to mix quartz sand and soda ash in a certain proportion and heat it to about 1400 ℃ in a reverberatory furnace to generate molten sodium silicate;

2. Wet production uses quartzite powder and caustic soda as raw materials, reacts in a high-pressure steamer under the steam of 0.6~1.0 MPa, and directly generates liquid water glass. Micro silica fume can replace quartz ore to produce sodium silicate with modulus 4.

performance:

1. Fast dissolving speed, dissolving speed: at 30 ℃ water temperature, add 1% instant powdered sodium silicate, and under stirring, see the time required for its basic dissolution.

2. Good dispersion performance

3. Good cold resistance and easy to use.

use:

Powdered instant sodium silicate is mainly used as a builder in synthetic detergents; it is suitable for the preparation of low-phosphorus and phosphorus-free washing powders, replacing sodium tripolyphosphate, especially for the production of agglomerated concentrated washing powders; it is also suitable for Manufactures industrial and other household detergents for a variety of different purposes.

Precautions:

1. Store in a dry, cool, and ventilated warehouse, and shall not be stacked in the open air.

2. There should be coverings during transportation to avoid rain, moisture, and agglomeration, and light loading and unloading are required to prevent the polyethylene bags from being damaged and agglomerated by moisture.

3. After unpacking, it must be used up in time to avoid moisture absorption and caking.

Sodium Silicate Manufacturing Plant Usage

Uses: It can be used as an additive in a refractory binder, furnace gunning agent, additive, oil mining reinforcement, mineral mining, other construction, pigment, paint, and other industries. Instant powdered sodium silicate is mainly used as gunning material for furnace repair, amorphous refractory, sand foundry industry, binder in thermal insulation materials, binder for electric welding rod, acid-resistant cement, quick-drying cement and other cement. Auxiliary, degreasing agent, filler, and corrosion inhibitor in the coating industry, cleaning agent industry, soap making industry, and synthetic detergent, and can be used in the applicable range of liquid foaming alkali.

Remarks: A kind of sodium silicate, the fineness can be specially processed according to user needs.

FAQ

What is sodium silicate used for?

Uses. The main applications of sodium silicates are in detergents, paper, water treatment, and construction materials.

How many types of sodium silicate are there?

Liquid alkaline sodium silicate is available in three types: Type 1, Type 2 and Type 3: used in the soap, detergent, textile, electrode and cement industries.

Why is sodium silicate called water glass?

Water glass, also known as sodium silicate or soluble glass, a compound containing sodium oxide (Na2O) and silicon dioxide (silicon dioxide, SiO2) that forms a glassy solid with a very useful water-soluble characteristic

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