Understanding Corrosion in Water Pipelines: A Guide for Pipeline Designers



Last updated: January 28, 2020

What Does Halogenation Mean?

Halogenation is a type of chemical reaction where hydrogen atoms are replaced by halogen atoms in a molecule. The end product of halogenation is a compound that has distinct properties that are different from the starting compound. Halogenation can be achieved using any of the halogen elements, i.e., fluorine, chlorine, bromine and iodine. In the context of corrosion, halogenation is relevant in the study of water treatment and fire retardants.


Corrosionpedia Explains Halogenation

Halogenation can involve the addition of one or more of the previously mentioned halogens. There are two basic types of halogenation reactions:

  • Substitution reactions – The halogen replaces atoms in another molecule
  • Addition reaction –The halogen reacts with an unsaturated molecule

While halogenation can be done with any of the previously mentioned halogens, two of the most common types of halogenating methods are bromination and chlorination. Fluorination is also possible; however, due to the reactivity of this element, specialized equipment and conditions must be utilized.


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