Uranium recovery from concentrated chloride solution produced from direct acid leaching of calcareous shale, Allouga ore materials, southwestern Sinai, Egypt

被引：14
作者：
Hamza, Mohammed F. [1 ]
机构：
[1] Nucl Mat Author, Prod Sect, POB 530 Maadi, Cairo, Egypt
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2018年 / 315卷 / 03期
关键词：
Uraniferous calcareous shale; Uranium; Chloride; Allouga; Sorbent; CROSS-LINKED ACRYLAMIDOXIME; RARE-EARTH-ELEMENTS; GLYCINE ETHYL-ESTER; AQUEOUS-SOLUTIONS; POLYACRYLAMIDOXIME RESINS; ADSORPTION PROPERTIES; ACTIVATED CARBON; HEAVY-METAL; VI IONS; REMOVAL;
D O I：
10.1007/s10967-018-5709-4
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Sulfuric acid leaching of calcareous shale in Allouga locality has been successfully performed with efficiency 86.84%. The produced solution has 144.3 mg U L - 1 and 48.4 g Cl L - 1. Systematic work on this type of ores is necessary to remove chloride firstly by washing with freshwater before leaching process to be suitable for U recovery on quaternary amine resins. Washing consumes a lot of water, producing unusable uranium waste solutions, loses 20- 25% from leaching time. Commercial quaternary amine resin and synthesized amidoxime sorbents used for uranium recovery from produced leach liquor have capacities zero and 196.4 mg U g - 1 respectively. [GRAPHICS] .
引用
收藏
页码：613 / 626
页数：14
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