Journal
PAIN PHYSICIAN
Volume 26, Issue 1, Pages 18-27Publisher
AM SOC INTERVENTIONAL PAIN PHYSICIANS
DOI: 10.29076/issn.2528-7737vol16iss41.2023pp18-27p
Keywords
modeling; Batch bioreactor; EEE; bioleaching; waste; PCBs
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The use of electrical and electronic equipment (EEE) has led to a significant increase in waste electrical and electronic equipment (WEEE) worldwide, but only 17% of it is being treated. The conventional methods for processing and extracting metals from printed circuit boards (PCBs) in WEEE are highly polluting. Therefore, a new eco-friendly strategy is proposed in this research to recover Cu from WEEE using a batch bioreactor.
The use of electrical and electronic equipment (EEE) has increased considerably worldwide, generating large amounts of waste electrical and electronic equipment (WEEE) of which only 17% is treated. The processing and extraction of metals from printed circuit boards (PCBs) of WEEE is done by a combination of physical and chemical methods, which become highly polluting. There-fore, it is necessary to formulate new eco-friendly strategies to prevent the impact of environmental pollution. The present research proposes to design a Batch bioreactor for the recovery of Cu from WEEE. For this purpose, equations of the modeling of a Batch bioreactor were coupled with real parameters and values taken from the city of Guayaquil and then designed using these values in the AutoCAD design software. A bioreactor was obtained with an optimal agitation considering 8 flat blades for mixing, also the appropriate material is stainless steel, and the optimum working temperature is 28 degrees C. Applying these parameters, a Cu recovery of 96% is obtained in the city of Guayaquil.
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