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Liquid Sodium Silicate Plant Supplier
Liquid Sodium Silicate is an important basic chemical raw material with a wide range of uses. The chemical industry is used in the manufacture of formic acid, oxalic acid, borax, phenol, sodium cyanide and soap, synthetic fatty acids, synthetic detergents, etc. In textile printing and dyeing industry, it is used as cotton desizing agent, scouring agent, mercerizing agent and solvent for vat dye and Haichang blue dye. The smelting industry is used to manufacture aluminum hydroxide, alumina and metal surface treatment agent. The instrument industry is used as acid neutralizer, decolorizer and deodorizer. Adhesive industry is used as starch gelatinizer and neutralizer. In addition, it is widely used in enamel, medicine, cosmetics, leather, paint, pesticide, glass and other industries.
1. Refined petroleum
After the petroleum product is washed with sulfuric acid, it also contains some acidic substances, which must be washed with sodium hydroxide solution and then washed with water to obtain the refined product.
2. Printing and dyeing
3. Textile fibers
4. Papermaking
5. Amend the soil with lime.
6. Chemicals and chemical reagents.
1), pharmaceutical
Stomach medicine: The ingredients are aluminum hydroxide, magnesium hydroxide, sodium bicarbonate and a small amount of sodium hydroxide. The main function is to neutralize gastric acid. Sodium Carboxymethyl Cellulose (CMC): Emulsification, bonding and film formation of food and medicine. As an anti-soil redeposition agent in detergents. Alkali cellulose is prepared by reacting refined cotton with NaOH, and then reacting with chloroacetic acid by one-step etherification.
2), green water purification agent
Preparation of sodium ferrate (Na2FeO4); 3NaClO (sodium hypochlorite)+2Fe(OH)3 (ferric hydroxide)+4NaOH==2Na2FeO4+3NaCl+5H2O; basic aluminum chloride (PAC/BAC) denatures the protein of the virus. And water purification, wastewater treatment, strong sodium oxide to adjust the pH value.
3), ion exchange resin
After the anion exchange resin fails, it is generally regenerated with a 5%-8% NaOH solution.
4), alkaline cleaning agent
NaOH solution can be used for a variety of cleaning agents, such as car wash, bottle wash, detergent, rust remover, disinfectant configuration, mainly used for bottle cleaning in the wine industry, surface treatment in the ceramic metal industry, etc.
5), sodium hypochlorite bleach
Seven, rubber, leather
1), precipitated silica
2), old rubber recycling
In the recycling of old rubber, the rubber powder is pretreated with sodium hydroxide solution, and then the subsequent processing is carried out.
3), leather
Eight, metallurgy, electroplating
Nine, the role of other aspects
1). The role of ceramic caustic soda in ceramic manufacturing has two points. First, in the firing process of ceramics, caustic soda acts as a diluent. Second, the surface of the fired ceramic will be scratched or very rough. After cleaning, make the ceramic surface smoother.
2). The instrument industry is used as acid neutralizer, decolorizer and deodorizer.
Solid sodium silicate
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.
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.
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