Sodium Bicarbonate Is It Baking Soda

Sodium bicarbonate with acid

Specification

Sodium bicarbonate is commonly known as baking soda. It is a common kitchen item, but is also widely used in other areas, such as cleaning, personal care products, and certain medical uses.

Application

In baking, baking soda is used as a leavening agent to help the dough expand and rise. It is also used to neutralize acidic ingredients in baked goods, such as yogurt or lemon juice. Due to its mildly alkaline properties, baking soda can also be used as a cleaner and deodorant in a variety of household and industrial applications.

Industrial preparation
Gas-phase carbonization method
The sodium carbonate solution is carbonized by carbon dioxide in a carbonization tower, and then separated, dried, and crushed to obtain the finished product.
Na2CO₃+CO₂(g)+H₂O=2NaHCO₃ [16]
Gas-solid phase carbonization method
Place sodium carbonate on the reaction bed and mix it with water. Inhale carbon dioxide from the lower part, carbonize it, and then dry and crush it to obtain the finished product [23].
Na2CO₃+CO₂(g)+H₂O=2NaHCO₃
Waste alkali liquid recovery method
In the production process of soda ash, the furnace gas produced by the soda ash calcination furnace still contains a large amount of alkali powder after cyclone separation. The furnace gas is recovered with hot alkali to dissolve the alkali powder in the alkali solution. During the circulation dissolution process, some of the alkali solution is sent to the ammonia distillation tower to evaporate the ammonia in the hot alkali solution, further concentrating the alkali solution as the raw material for producing sodium bicarbonate. The ammonia, carbon dioxide, and water mixture from the top of the ammonia distillation tower enters the original furnace gas cooling tower. The mother liquor separated and dehydrated in the production of sodium bicarbonate is used for the circulation of hot alkali solution to dissolve and recover alkali powder in the furnace gas, forming the production process cycle.
After recycling the waste alkali solution, it is carbonized, centrifuged, and dried to produce the finished product of sodium bicarbonate.

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