Chlorine and caustic soda are used as feedstock materials in myriad production processes for several markets including pulp and paper, petrochem, and pharma. The chlor-alkali process, accounting for 95% of production, depends on the electrolysis of brine, which first requires several steps of purification. This white paper describes the reasoning and benefits for online and inline process analysis over conventional methods for the production of these basic chemicals.


Metrohm AG

9100 Herisau