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Sulphuric acid concentration – for explosives and propellants

All major explosives and propellants are based on nitrated compounds. Examples are nitrocellulose (NC), nitroglycerin (NG), nitroglycols, trinitrotoluene (TNT), pentaerythritol tetranitrate (PETN), HMX (Octogen), RDX (cyclonite; hexogen, T4) and many others. The nitro group is the main factor for providing oxygen to the compound for a quick reaction / explosion. During the production of the above compounds, nitric acid or mixed acid (nitrating acid) is used, and nitrogen oxides are developed.

Bertrams acid recovery systems offer the full range for the recovery of these substances to ensure a maximum recycling rate of the non-consumed acids.

The technology consists of:

The above processes lead to an optimum recovery of the non-consumed raw materials and avoid waste and environmental contamination.



  • Recovery of acids with highest yields

  • Compliance with strict environmental regulations

  • Economic process with recovery of raw materials

  • Energy efficient through heat recovery

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