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RECOVERY AND EXPLOITATION OF SPENT STRIPPING BATHS

RECOVERY AND EXPLOITATION OF SPENT STRIPPING BATHS

Recovery and exploitation of aqueous solutions of zinc-rich spent hydrochloric acid, derived from galvanized material stripping or galvanizing processes (CER 11.01.05* Pickling acids)

Thanks to an exclusive patented process, for many years Sanimet S.p.A. has been the only Italian company able to fully exploit the stripping acids generated by the hot galvanizing process (CER 11.01.05*). In addition to allowing the hot galvanizing sector to avoid the increasing stripping solution disposal costs, this exclusive process allows full recovery, transforming the elimination of HAZARDOUS waste into an environmentally friendly manufacturing process.

SPECIFICATIONS

Waste composed of spent hydrochloric acid solutions that have been contaminated by iron from pickling processes

 

Iron concentration (g/L)Fe < 25
Zinc concentration (g/L)Zn > 260
Lead concentration (g/L)Pb < 0,5
Free hydrochloric acid concentration (g/L)HCl < 10
Sulphate concentration (g/L)SO4— < 1.0
  • Solutions free from fluorides
  • Solutions free from foreign bodies
  • Solutions free from sludge on the bottom
  • Solutions free from oil phase on the surface

It is also possible to recover waste that is outside the limit values, quotation on request

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OUR SERVICES

RECOVERY AND EXPLOITATION OF SPENT FLUX BATHS

RECOVERY AND EXPLOITATION OF SPENT STRIPPING BATHS

RECOVERY AND EXPLOITATION OF SPENT PICKLING BATHS

RECOVERY AND EXPLOITATION OF CHEMICAL WASTE FROM OTHER PROCESSES

RECOVERY AND EXPLOITATION OF ZINC ASH

CERTIFICATIONS

Certificate by IQNET

ISO 45001:2018

ISO 14001:2015

ISO 9001:2015