Page 63 - PCMI December 2017 Journal

Safe Handling of Obliga on of a Chlorine Facility
Marcus Heather | Technical Director | Precision Micro | UK
Peter Je eries| Innova on Technology Leader | Heatric | UK
12/13/17
A short history lesson
Commercially liquefied chlorine became available in 1888 in Germany
Shortly after, Badische Anilin und Soda Fabrik (BASF) introduced it to the United States
In 1909 the American Liquid chlorine industry started
Environmental, Health and Safety Obligations of a Chlorine Facility
Meggitt proprietary and confidential | no unauthorised copying or disclosure
The importance of chlorine in the PCM manufacturing process
Ferric chloride as supplied is good at etching stainless steel and non-ferrous metals
Fe + 2FeCl3 → 3FeCl2
As metal is added, then ferric chloride is consumed and the metal salt is generated causing the reaction to slow and ultimately become no longer viable as an etchant.
Environmental, Health and Safety Obligations of a Chlorine Facility
Meggitt proprietary and confidential | no unauthorised copying or disclosure
Issue 130 December 2017 PCMI Journal Page 62
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