Recovery of Cobalt from PDC Cylindrical Processing Waste by Mechanical Activation Oxidation AITranslate
Abstract AITranslate
A large amount of solid waste produced by PDC cylindrical processing and grinding contains Co.After mechanical activation treatment with sodium persulfate solid powder, the above Co can be recovered by water immersion-neutralization precipitation.The effects of ball-to-material ratio, ball milling time, ball milling speed and oxidant dosage on Co leaching rate were studied.The results show that the recovery rate of Co in the PDC cylindrical processing waste increases with the increase of ball-to-material ratio, ball milling speed and ball milling time, but decreases with the increase of oxidant dosage.The optimized mechanical activation process parameters are as follows: The ball-to-material ratio is 42.9,the amount of oxidant(sodium persulfate) is 1 g, the amount of PDC cylindrical processing waste is 1 g, the ball milling speed is 300 r/min and the ball milling time is 360 min.Under the optimized process parameters, the recovery rate of Co in PDC cylindrical processing waste can reach 99.32%.The method has the advantages of short process, high efficiency and low water consumption.
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DOI：
Chinese Library Classification Number:X76[环境科学与工程—环境工程]
Citation Information:
A large amount of solid waste produced by PDC cylindrical processing and grinding contains Co.After mechanical activation treatment with sodium persulfate solid powder, the above Co can be recovered by water immersion-neutralization precipitation.The effects of ball-to-material ratio, ball milling time, ball milling speed and oxidant dosage on Co leaching rate were studied.The results show that the recovery rate of Co in the PDC cylindrical processing waste increases with the increase of ball-to-material ratio, ball milling speed and ball milling time, but decreases with the increase of oxidant dosage.The optimized mechanical activation process parameters are as follows: The ball-to-material ratio is 42.9,the amount of oxidant(sodium persulfate) is 1 g, the amount of PDC cylindrical processing waste is 1 g, the ball milling speed is 300 r/min and the ball milling time is 360 min.Under the optimized process parameters, the recovery rate of Co in PDC cylindrical processing waste can reach 99.32%.The method has the advantages of short process, high efficiency and low water consumption.
quote
| GB/T 7714-2015 | [1] ZHU Jia-jun, WEI Wen-liang, WU Ming-yang, et al. Recovery of Cobalt from PDC Cylindrical Processing Waste by Mechanical Activation Oxidation[J]. Rare Metals and Cemented Carbides, 2021(6): 31-36. |
| MLA | [1] ZHU Jia-jun, et al., "Recovery of Cobalt from PDC Cylindrical Processing Waste by Mechanical Activation Oxidation." Rare Metals and Cemented Carbides, no. 6, 2021, pp. 31-36. |
| APA | [1] ZHU Jia-jun, WEI Wen-liang, WU Ming-yang, & HUANG Kai. (2021). Recovery of Cobalt from PDC Cylindrical Processing Waste by Mechanical Activation Oxidation. Rare Metals and Cemented Carbides(6), 31-36. |
| IEEE | [1] ZHU Jia-jun, WEI Wen-liang, WU Ming-yang, and HUANG Kai, "Recovery of Cobalt from PDC Cylindrical Processing Waste by Mechanical Activation Oxidation," Rare Metals and Cemented Carbides, no. 6, pp. 31-36, 2021. keywords: {PDC cylindrical processing waste;cobalt recovery;sodium persulfate;mechanical activation;water immersion-neutralization precipitation} |