Experimental Study on Rhenium Extraction from Waste Superalloy AITranslate
Abstract AITranslate
According to the characteristics of high density and insolubility of superalloy,fine particles with high activity were prepared from waste superalloy by vacuum atomization.Rhenium in waste superalloy powder was dissolved into solution in the form of ReO4^- after oxidation acid leaching.And Re leaching rate reaches 99.02%.Subsequently,the pH value of the acid leaching solution was adjusted to 1.5with saturated NaOH solution,and then rhenium was adsorbed onto D296 anion exchange resin.And Re adsorption rate reaches 98.76%.During the process of desorption,Mo loaded in the D296 resin was preferentially desorbed with the mixed solution of ammonia and ammonium chloride,with Re loss rate of 4.97%.Rheniumwas desorbed with ammonium thiocyanate solution,with Re desorption rate of 94.98%.The Re-containing products were prepared from the desorbed solution containing rhenium by adding KCl or NH4Cl and evaporation cooling crystallization.Re crystallization rate is higher than 90% by controlling the rhenium concentration over 22.38g/L in concentrated solution.The results of X-ray fluorescence analysis show that the purity of potassium rhenate and ammonium rhenate reaches 99.21% and 99.58%,respectively.
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Basic Information:
DOI：
Chinese Library Classification Number:TF841.8[冶金工程—有色金属冶金]
Citation Information:
According to the characteristics of high density and insolubility of superalloy,fine particles with high activity were prepared from waste superalloy by vacuum atomization.Rhenium in waste superalloy powder was dissolved into solution in the form of ReO4^- after oxidation acid leaching.And Re leaching rate reaches 99.02%.Subsequently,the pH value of the acid leaching solution was adjusted to 1.5with saturated NaOH solution,and then rhenium was adsorbed onto D296 anion exchange resin.And Re adsorption rate reaches 98.76%.During the process of desorption,Mo loaded in the D296 resin was preferentially desorbed with the mixed solution of ammonia and ammonium chloride,with Re loss rate of 4.97%.Rheniumwas desorbed with ammonium thiocyanate solution,with Re desorption rate of 94.98%.The Re-containing products were prepared from the desorbed solution containing rhenium by adding KCl or NH4Cl and evaporation cooling crystallization.Re crystallization rate is higher than 90% by controlling the rhenium concentration over 22.38g/L in concentrated solution.The results of X-ray fluorescence analysis show that the purity of potassium rhenate and ammonium rhenate reaches 99.21% and 99.58%,respectively.
quote
| GB/T 7714-2015 | [1] CHEN Kun-kun, MENG Han-qi, WU Yong-qian, et al. Experimental Study on Rhenium Extraction from Waste Superalloy[J]. Rare Metals and Cemented Carbides, 2016(6): 26-30. |
| MLA | [1] CHEN Kun-kun, et al., "Experimental Study on Rhenium Extraction from Waste Superalloy." Rare Metals and Cemented Carbides, no. 6, 2016, pp. 26-30. |
| APA | [1] CHEN Kun-kun, MENG Han-qi, WU Yong-qian, & WU Xian. (2016). Experimental Study on Rhenium Extraction from Waste Superalloy. Rare Metals and Cemented Carbides(6), 26-30. |
| IEEE | [1] CHEN Kun-kun, MENG Han-qi, WU Yong-qian, and WU Xian, "Experimental Study on Rhenium Extraction from Waste Superalloy," Rare Metals and Cemented Carbides, no. 6, pp. 26-30, 2016. keywords: {rhenium;superalloy;vacuum atomization;oxidation acid leaching;D296 resin;ammonium rhenate;potassium rhenate} |