Ad
related to: sodium carbonate + sulfuric acid
Search results
Results from the WOW.Com Content Network
Sodium carbonate is used by the cotton industry to neutralize the sulfuric acid needed for acid delinting of fuzzy cottonseed. It is also used to form carbonates of other metals by ion exchange, often with the other metals' sulphates.
The Leblanc process was an early industrial process for making soda ash (sodium carbonate) used throughout the 19th century, named after its inventor, Nicolas Leblanc.It involved two stages: making sodium sulfate from sodium chloride, followed by reacting the sodium sulfate with coal and calcium carbonate to make sodium carbonate.
The Mannheim process is an industrial process for the production of hydrogen chloride and sodium sulfate from sulfuric acid and sodium chloride. [1] The Mannheim furnace is also used to produce potassium sulfate from potassium chloride. [2] The Mannheim process is a stage in the Leblanc process for the production of sodium carbonate.
The Leblanc process, which was invented by Nicolas Leblanc around 1790, begins with the decomposition of sodium chloride by sulfuric acid, by which sodium sulfate and hydrochloric acid are produced. The sodium sulfate is afterwards fired with calcium carbonate and coal. Sodium carbonate can be extracted from this mixture by washing the mixture ...
Formerly, sodium sulfate was also a by-product of the manufacture of sodium dichromate, where sulfuric acid is added to sodium chromate solution forming sodium dichromate, or subsequently chromic acid. Alternatively, sodium sulfate is or was formed in the production of lithium carbonate, chelating agents, resorcinol, ascorbic acid, silica ...
By 1791, Nicolas Leblanc had succeeded in producing sodium carbonate from salt by a 2-step process. In the first step, sodium chloride is mixed with concentrated sulfuric acid at temperatures of 800–900 °C; hydrogen chloride gas is evolved, leaving solid sodium sulfate.
The process to create alkalis was to add sulphuric acid to salt that produced sodium sulphate which was known as saltcake. The cake was roasted in a vessel by furnace and lime and coal to produce sodium carbonate (soda ash) that was immersed in water for 12 hours.
Sulfuric acid is a very important commodity chemical; a country's sulfuric acid production is a good indicator of its industrial strength. [9] Many methods for its production are known, including the contact process, the wet sulfuric acid process, and the lead chamber process. [10] Sulfuric acid is also a key substance in the chemical industry.
Ad
related to: sodium carbonate + sulfuric acid