What is baking soda or caustic soda? Application of caustic soda
Caustic soda is one of the widely used chemicals in various industries and it’s actually a trade name for baking soda or caustic soda. All types of caustic soda are produced and available in the form of flakes, granules and liquid. Soybean caustic is produced and supplied by one of the chlor-alkali process methods. One of the properties of caustic soda is its high alkalinity, which is used to adjust pH. Caustic soda is used in water treatment, textile, aluminum production, paper production, food industry, etc. The price of caustic soda is affected by various factors, such as the type and purity of the product. To buy caustic soda, you can refer to the website of the supplier companies. The uses of caustic soda depend on the type of industry in which it is used.
In the continuation this article, from the world of physical chemistry, we will examine the properties and use of caustic soda (baking soda or caustic soda), as well as how to buy and sell it and its price in the industrial market.
What is caustic soda?
Baking soda or caustic soda is a solid, white and odorless material that is available in powdered or granulated forms. One of the properties of caustic soda is easy absorption of air moisture. Therefore, it should be covered with the necessary protective covers and well protected during transportation. It should be noted that it has a corrosive effect in contact with the skin. In order to prevent the burning effects of this material, gloves and safety equipment should be used when using it.
Baking soda or sodium hydroxide is highly soluble in water, and this dissolution is an exothermic process. In fact, a lot of heat is released due to the dissolution of caustic soda in water. Sodium bicarbonate has lower solubility in ethanol and methanol and will not dissolve in ether and other non-polar solutions. The properties of soda ash are used as one of the most useful ionic compounds in various industries such as water treatment and detergent and soap production factories.
Properties of caustic soda
- One of the characteristics of caustic soda is its high alkalinity. For this reason, it is used as a pH regulator.
- Caustic soda in the form of flakes has a melting temperature of 318 degrees Celsius and a density of 2.13 grams per cubic centimeter.
- Sodium hydroxide is white and odorless in solid state and it dissolves in hot water. Therefore, it leads to an increase in water temperature.
- One of the properties of caustic soda is its high ability to absorb moisture and carbon dioxide. For this reason, it is placed in moisture-resistant packaging.
- Caustic soda will cause burns in contact with the skin. Moreover, its contact with the eyes leads to blindness. If this chemical comes into contact with the skin, the skin should be washed with plenty of water for at least 10 to 20 minutes.
Application of caustic soda in water purification
One of the most important applications of caustic soda is its use in the water treatment industry. In fact, caustic soda is used because of its pH adjustment properties. This material will reduce the corrosiveness of water. Chlorination is considered one of the most important steps in water purification and it is used for disinfection and removal of bacteria and pathogens. However, the pH of the water will change after the chlorination stage and its alkalinity will increase. This can cause corrosion in pipes and facilities. Therefore, soda ash is used to adjust the pH of water.
Uses of caustic soda in textile
The very strong alkaline properties of caustic soda and its high degreasing power have led to the use of this material in the textile industry. Baking soda or caustic soda is used to improve dyeing as well as fiber production in textile. The presence of fats in the dyeing process leads to a decrease in its quality and transparency. For this reason, these fats must be removed by using substances such as sodium hydroxide. In addition, caustic soda is used to descale sheep’s wool and produce good quality fibers.
The use of fin in food industry
Caustic soda is one of the strongest alkaline substances that has a high power in removing fats. After contact with water or moisture, the soda ash dissolves in it and produces a lot of heat. This heat causes fats to melt. Due to these properties, soda is used in industries. In food industries, slaughterhouses, and dairy industries, the use of fat fin in degreasing devices is very important. Using caustic soda not only increases the speed of work, but its consumption is also economical.
Conclusion
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