salt cake

noun

1
: anhydrous sodium sulfate Na2SO4
especially : a crude form obtained usually by reaction in a furnace of sulfuric acid on common salt in the manufacture of hydrochloric acid and used chiefly in the sulfate process for wood pulp and in making glass and chemicals
2
: a substance made by reaction of soda ash and sulfur and used in the sulfate pulp process

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Cite this Entry

“Salt cake.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/salt%20cake. Accessed 2 Apr. 2023.

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