OBTAINING HIGH QUALITY WATER USED FOR THE PRODUCTION OF PRINTED BOARDS AT JSC «BEMZ
DOI:
https://doi.org/10.36773/1818-1112-2023-130-1-45-49Keywords:
heavy metal ions, thin-layer sedimentation tanks, peat, pre-wash filters, electrodialysis, ion-exchange filtersAbstract
The article presents the results of a study on the study of the composition of wastewater from the production of printed circuit boards, which made it possible to create a low-cost technology for the post-treatment of this wastewater, which makes it possible to return up to 85% of the treated wastewater back to production in a bypass-step manner and obtain high-quality water (E4), for the preparation of solutions of precious metals.
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