Sodium sulfate, the scientific name of sodium sulfate (Na2SO4), can be formed by the reaction of sulfuric acid and sodium hydroxide: H2SO4+2NaOH→Na2SO4+2H2O.
Industrial sodium sulfate is not produced through acid and base reactions. There are generally two sources:
One is from salt lake, through evaporation, freezing and other methods of industrial production;
Another kind of by-products, such as chemical plants, chemical fiber factory acid and alkali neutralization by-products, the market is more often seen in the viscose fiber production process of by-products, many large viscose production enterprises can meet the requirements of printing and dyeing enterprises. Some viscose production enterprises by - product sodium powder acid, not suitable for dyeing.
Sodium sulfate is another form of ten water sodium sulfate, commonly known as glauconite, part of the printing and dyeing plant is also in use, the cost is lower than sodium sulfate.