SPENT PICKLING LIQUOR REGENERATION AND LIQUID WASTE MINIMIZATION THROUGH ACIDS, ZINC AND FERROUS SULFATE RECOVERY

Zero liquid discharge

Recovery of raw materials

Enormous cost savings and return on investment

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WHO WE ARE

The development of LIFE DIME was possible thanks to three organisations:

LIFE is an entity established by the European Commission with the mission of financing the development of high valued-added projects dedicated to protecting the environment and fighting climate change.

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Condorchem Envitech is an environmental engineering firm that specialises in the treatment of industrial waste water and emissions. Its mission within the project is to design the process and solution for application on an industrial scale.

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Ecotechno is a manufacturer of machinery for treating liquid waste. Therefore its main responsibility in the project is the production and supply of the necessary equipment to implement the solution.

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LIFE DIME’S OBJECTIVE

The main objective of the LIFE DIME project is to validate the Chemirec® technology on an industrial scale.

Chemirec® is an innovative, highly effective solution for the treatment of liquid waste in metal surface finishing industries. It has been patented by Condorchem Envitech, S.L. and developed on an industrial level thanks to the collaboration of LIFE and Ecotechno.

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BENEFITS OF THE LIFE DIME PROJECT

By demonstrating the validity and efficacy of the Chemirec® technology in the treatment of liquid waste generated by spent pickling baths, LIFE DIME contributes the following benefits to the metallurgical and steel industries:

Elimination or reduction of the liquid waste to be treated and hence, its management costs.

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Recovery of more than 95 % of the hydrochloric acid (HCl) in the spent baths for its reuse in new baths.

Obtaining of recoverable elements such as iron (Fe) and zinc (Zn) for their reuse or sale.

Provision of a technological solution that brings a rapid return on investment, is environmentally sustainable and extremely efficient in the treatment and recovery of waste.

SOCIAL BENEFITS OF LIFE DIME

Apart from the benefits that the LIFE DIME project brings to companies that put their faith in this solution, it also complies with the requirements established by the IPCC Directive to be recognised as one of the BATs (Best Available Techniques), in other words, those that are technologically relevant due to their efficacy, present no availability problems and offer the following social benefits:

  • Reduce the use of raw materials.
  • Use substances that are less dangerous.
  • Increase energy efficiency.
  • Generate very little waste.
  • Promote recovery.
  • Prevent or reduce to the minimum the global impact of emissions and environmental risks.
  • Reduce the risk of accidents or their consequences for the environment.

LIFEDIME is a solution that recovers metals and hydrochloric acid from spent pickling baths.

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LIFE DIME is co-financed by the LIFE program of the European Union. (Grant Agreement No. LIFE16 ENV/ES/00041). This website expresses only the opinion of the author hence the agency is not responsible for any possible use of the information herein contained.

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