In the manufacture of glass, it has a definite place as an raw material(salt cake).For a long time it was being as chief source of Alkali. It is an byproduct in the manufacture of various chemicalas like Hcl acid, nitric acid.dichromate industry etc, also the level of impurities in salt cake depend upon it s source.
Key Features
It will start off by crushing and then sieving the industrial salt.
There will be a higher reaction in the temperature of salt with that of concentrating sulfuric acid within a weight ratio of 1 to 0.7. It helps in producing HCI gas and sodium sulfate.
Then, the last step will be the cooling and crushing process of the sodium sulfate. Here, the technical aspect is pretty short and will produce higher quality items in its pure version of 99 to 99.3%.
It might even end up producing 1.55 tonnes of around 31% concentrated HCI alongside one tonne of sodium sulfate.
Applications
Glass
Glass
Paper Manufacturing
Paper Manufacturing
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