Purification of liquids and wastewater loop closure – recycling in the metallurgical industry
The reorganization of waste and wastewater management is directly linked to reducing expenses in this area. Often, it is also synonymous with improving the quality of the final product (e.g., electroplating/galvanizing plants). Another example of reorganization may be the closure of wastewater loops (e.g., regeneration of copper or zinc baths in acids). Based on our experience, this can lead to an increase in company revenue of around 25%. Quite often, this approach to reorganizing waste management can also be certified under the Green Deal or Decarbonization programs. What is certain, however, is that the entire process is primarily of economic significance.
EXAMPLES OF APPLICATIONS OF OUR TECHNOLOGY:
- closing loops in galvanizing and electroplating plants (pickling baths and rinses) with zinc or copper recovery,
- precipitation of metals from organic acids (malic, citric, boric) as well as inorganic acids,
- steel passivation,
- reclamation of waste heaps (metal recovery),
- recycling of copper baths,
- removal of iron from acids – improving quality, e.g., in copper plating of components,
- removal of chromium Cr³⁺ from organic and inorganic acids,
- recovery of rare earth elements from phosphogypsum,
- recovery of rhenium from sludge at KGHM S.A. – potassium perrhenate purity 100%.
Depending on the situation, we strive to ensure that every solution is profitable both for the company and for the environment. If it is not possible to close the wastewater loop, we aim to recover as many metals as possible from the wastewater or to change the waste code. We always approach our clients with an open mind.
