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- W995725463 abstract "Physical methods show great potential and advantages on comprehensive reutilization of waste printed circuit boards (PCBs) because of lower investment and operation cost, higher efficiency and environment friendliness. However, metals contained in fine fraction of PCBs cannot be recovered effectively by conventional equipments such as high tension electrostatic separator or shaking table. In the paper, this conundrum was resolved successfully with the enhanced Falcon SB concentrator. The separation mechanism of Falcon SB concentrator was analyzed and main factors affecting separation efficiency such as magnitude of rotation frequency of bowl, water counter pressure and slurry concentration of feed were studied and interaction of factors above also were investigated using Design-Expert software. Experiment results show that complete liberation degree and great difference of density between metals and nonmetals are suitable to recover metals from -74 μm PCBs using enhanced Falcon SB concentrator and 80.77 % integration efficiency can be achieved when slurry concentration of feed is 40 g/L with the water counter pressure of 0.01 MPa and rotation frequency of 50 Hz." @default.
- W995725463 created "2016-06-24" @default.
- W995725463 creator A5076884755 @default.
- W995725463 date "2005-01-01" @default.
- W995725463 modified "2023-09-24" @default.
- W995725463 title "Metals Recovery from Fine Printed Circuit Boards Using Falcon SB Concentrator" @default.
- W995725463 hasPublicationYear "2005" @default.
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