HCl Treatment


Process plants to recover, purify, concentrate or remove hydrochloric acid

In many of these applications, contaminated aqueous HCI is discharged as a by-product, but due to the low cost and availability of fresh supplies, little or no effort has been spent in purifying the contaminated aqueous HCI for re-use. DDPS can provide plants to recover, purify and concentrate hydrochloric acid even above the azeotropic point.


Hydrochloric acid is one of the most common chemicals available today and is used in a wide variety of applications, some of the most important being:

  • Chemical reaction - organic chlorides for agrochemicals and polymers such as PVC
  • Production of inorganic chemicals for water treatment 
  • Regenerations of ion exchangers
  • Metal cleaning - pickling acids
  • Petrochemical industry - activation of oil wells
  • Food industry - production of sugars, glutamates and starch syrups
  • Leather/tanning industry


Supported Processes


Bromine Processes


Production of 99.9% bromine from brines, debromination of brines down to 10ppm bromine 

Bromine is highly corrosive, toxic, and causes serious chemical burns. 3 ppm in the air are considered immediately dangerous to life and health. Therefore, it is vitally important to take the highest safety precautions when working with bromine. 

Accordingly, plants processing bromine have to be made of highly corrosion and diffusion resistant, robust materials. QVF borosilicate glass 3.3 and De Dietrich glass-lined steel are ideal materials for their construction. All measures are taken to avoid any bromine leakage; the equipment fulfills ASME requirements for pressure and tightness of flange connections.  For extra safety measures, the vent systems are equipped with bromine scrubbers.

De Dietrich Process Systems' material quality, detailed design and reliable process engineering contribute to the safe handling of bromine. 


Bromine is widely used in the chemical and pharmaceutical industries. Major applications are brominated organic components used as

  • Flame retardants (e.g. polybrominated biphenyls)
  • Pesticide (e.g. methyl bromide)
  • Reactive intermediates in organic synthesis and pharmaceutical ingredients

Supported Processes

  • Bromine recovery and production from brines and process effluents
  • Debromination of brines and process feeds stream
  • Absorption of HBr, Br2
  • Recovery and concentration of HBr

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Bromine Production Plant

Bromine production plant satyesh

Bromine Production Plant

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