Extraction of uranium and rare earths from mineralized ferruginous sandstone, southwestern Sinai
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Saleh Mohamed El Hady
Abstract
A technological sample assaying 943 ppm U and about 0.97 % RE2O3 in a mineralized ferruginous sandstone has been collected from Wadi Sedri area of southwestern Sinai. The XRD analysis has releaved the presence of uranium minerals namely; coffinite and sodium meta-autonite but the rare earths adsorbed on the clay minerals inter the ore sample. Leaching of uranium and rare earths from the studied sample is based on ferric sulfate salt. The relevant conditions e.g. (6 g/L ferric sulfate concentration, 1/5 S/L ratio, time 8 h, T = 80 °C and 7.5 g/L H2SO4 concentration) of the ferric ion leaching for uranium and rare earths have been optimized. From the obtained leach liquor, the rare earths are precipitated as oxalates. This is followed by uranium recovery using anion exchange resin as impregnated Lewatite Monoplus M 500/Alamine 304. Therefore, highly pure products of uranium and rare earths have been obtained and chemically analyzed.
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Author contributions: The author has accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: The author has not funding in the manuscript.
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Conflict of interest statement: The author declares no conflicts of interest regarding this article.
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© 2023 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Original Papers
- Excitation functions of the 197Au(p,pxn) and 197Au(p,xn) reactions
- Measurement of spectrum-averaged cross sections of the (n,p) and (n,n′) reactions on strontium by fast neutrons of a TRIGA reactor: comparison with integrated data from excitation functions of various data libraries
- Extraction of uranium and rare earths from mineralized ferruginous sandstone, southwestern Sinai
- Cesium ion removal from low-level radioactive wastewater utilizing synthesized cobalt hexacyanoferrate-sand composite
- Separation of 71,72As from alpha-particle induced reaction on gallium oxide target using naturally occurring alkaloid caffeine
- Quality characteristics of white button mushrooms (Agaricus bisporus) affected by gamma irradiation and volatile oils during storage
- A closer inspection of the structural, mechanical, optical and radiation shielding properties of GeO2-doped magnesium-telluroborate glasses
Artikel in diesem Heft
- Frontmatter
- Original Papers
- Excitation functions of the 197Au(p,pxn) and 197Au(p,xn) reactions
- Measurement of spectrum-averaged cross sections of the (n,p) and (n,n′) reactions on strontium by fast neutrons of a TRIGA reactor: comparison with integrated data from excitation functions of various data libraries
- Extraction of uranium and rare earths from mineralized ferruginous sandstone, southwestern Sinai
- Cesium ion removal from low-level radioactive wastewater utilizing synthesized cobalt hexacyanoferrate-sand composite
- Separation of 71,72As from alpha-particle induced reaction on gallium oxide target using naturally occurring alkaloid caffeine
- Quality characteristics of white button mushrooms (Agaricus bisporus) affected by gamma irradiation and volatile oils during storage
- A closer inspection of the structural, mechanical, optical and radiation shielding properties of GeO2-doped magnesium-telluroborate glasses
