Mannheim process

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Mannheim process
Process type Chemical
Industrial sector(s) Chlor-Alkali industry
Feedstock sodium chloride, sulphuric acid
Product(s) hydrogen chloride

The Mannheim process is an important method for the manufacture of hydrogen chloride and sodium sulfate from sodium chloride (table salt) and sulfuric acid in which case the Na2SO4 is known as salt cake:

2 NaCl + H2SO4Na2SO4 + 2 HCl [1]


  1. ^ Riegel's Handbook of Industrial Chemistry, Emil Raymond Riegel, Page 436,,M1