Borax Anhydrous applications and production processes
Borax Anhydrous appears in the form of white crystalline granules, glassy crystals, or white powder. It also goes by several other names, which we will explain below.
Synonyms for Borax Anhydrous: Sodium Borate
Chemical Name: Sodium Tetraborate
English Name: Sodium Borate
CAS Number: 1330-43-4
Borax Anhydrous is highly hygroscopic and is soluble in water and slowly soluble in methanol. The orthorhombic crystal form A has a melting point of 742.5°C and a density of 2.28; the orthorhombic crystal form B has a melting point of 664°C and a density of 2.75. With its numerous properties, what are the uses of Borax Anhydrous?
The roles of Borax Anhydrous in everyday and industrial production:
Everyday Use:
- Cleaning Products: Borax Anhydrous is a key ingredient in various household cleaners, including laundry detergents and stain removers, due to its ability to soften water and enhance cleaning efficiency.
- Pest Control: It is used in DIY pest control solutions, particularly for eliminating ants and cockroaches.
- Personal Care: Borax Anhydrous is sometimes found in homemade beauty products like bath salts and soaps.
Industrial Production:
- Glass Manufacturing: It is essential in producing high-quality glass, including optical and photoelectric glasses, due to its ability to lower the melting point and increase durability.
- Metallurgy: Borax Anhydrous acts as a flux in metal smelting, aiding in the removal of impurities from metals and alloys.
- Ceramics and Enamels: It is used in the formulation of glazes and enamels, providing smooth finishes and enhancing color stability.
- Welding and Soldering: It serves as a flux in welding and soldering processes, promoting better adhesion of materials and preventing oxidation.
- Agriculture: Borax Anhydrous is utilized as a micronutrient in fertilizers, providing essential boron to plants.
- Flame Retardants: It is used in the production of fire-resistant materials and coatings.
- Adhesives and Sealants: It enhances the adhesive properties of certain glues and sealants, particularly in industrial settings.
- Chemical Manufacturing: Borax Anhydrous serves as a raw material in the production of other boron compounds and various chemical processes.
The production process of Borax Anhydrous:
Borax, also known as sodium borate, is a widely used mineral.It is primarily used as a cleaner, a detergent, and a preservative.The production process of borax without water, also known as anhydrous borax, is a bit more complex than the regular one.
1. Raw Material Preparation:
The process begins with sourcing natural boron-containing minerals such as borax (sodium tetraborate decahydrate) or kernite.
2. Dissolution:
The raw borax minerals are dissolved in hot water to create a concentrated sodium tetraborate solution.
3. Purification:
The solution undergoes purification to remove impurities. This can involve filtration and chemical treatment to ensure a high-purity product.
4. Crystallization:
The purified solution is then cooled, leading to the crystallization of sodium tetraborate decahydrate. The crystallization temperature is carefully controlled, typically above 60°C, to obtain the desired crystal form.
5. Filtration:
The crystals are separated from the solution through filtration.
6. Dehydration:
The sodium tetraborate decahydrate crystals are then subjected to controlled heating below 120°C to remove water molecules, converting them into Borax Anhydrous (sodium tetraborate anhydrous).
7. Drying:
The dehydrated crystals are further dried to ensure complete removal of water, resulting in a stable anhydrous product.
8. Milling and Sieving:
The Borax Anhydrous crystals may be milled into finer particles and sieved to achieve the desired particle size distribution.
9. Packaging:
The final product is then packaged according to industrial standards for distribution and use.
10. Quality Control:
Throughout the production process, quality control measures are implemented to ensure the Borax Anhydrous meets the required chemical and physical specifications.
In conclusion, the production process of waterless borax is a bit more
complex than the regular borax production process.However, the end product is of higher quality and has a wider range of applications.
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