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Separation of Uranium and Thorium from Mica-Rich Schist Bands Concentrate of Wadi Abu Rusheid Area, South Eastern Desert, Egypt
Hydrometallurgical processing of micaceous bands concentrate for recovering U and Th using sulfuric acid agitation leaching was studied. This concentrate assays 4.1% ZrO 2 , 3.8% Nb 2 O 5 , 1.2% RE 2 O 3 , 2.8% ThO 2 , and 0.55% U 3 O 8 . The corresponding minerals of these elements include zircon,...
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| Published in: | Radiochemistry (New York, N.Y.) N.Y.), 2021-10, Vol.63 (5), p.583-594 |
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| cites | cdi_FETCH-LOGICAL-c316t-6cf4645cb2a6ae0b9efb850c94e4bbb70503b485e98b1e332b2dbc46678fde6d3 |
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| container_title | Radiochemistry (New York, N.Y.) |
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| creator | Khaleal, F. M. Kamar, M. S. Khoziem, H. A. Abu Abdellah, W. M. |
| description | Hydrometallurgical processing of micaceous bands concentrate for recovering U and Th using sulfuric acid agitation leaching was studied. This concentrate assays 4.1% ZrO
2
, 3.8% Nb
2
O
5
, 1.2% RE
2
O
3
, 2.8% ThO
2
, and 0.55% U
3
O
8
. The corresponding minerals of these elements include zircon, ferrocolumbite, fergusonite, uranothorite, autunite, and uranophane. About 96% of Th and 94% of U were dissolved under optimum leaching conditions: 30% H
2
SO
4
, 1/3 S/L ratio, 4 h leaching time, and 85°C leaching temperature. Di(2-ethylhexyl) hydrogen phosphate (HDEHP) in kerosene was used for U extraction with 90.9% efficiency and its separation from Th in the presence of 0.3 M EDTA solution. Th was then selectively precipitated from the raffinate solution as Th peroxide. |
| doi_str_mv | 10.1134/S1066362221050052 |
| format | article |
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2
, 3.8% Nb
2
O
5
, 1.2% RE
2
O
3
, 2.8% ThO
2
, and 0.55% U
3
O
8
. The corresponding minerals of these elements include zircon, ferrocolumbite, fergusonite, uranothorite, autunite, and uranophane. About 96% of Th and 94% of U were dissolved under optimum leaching conditions: 30% H
2
SO
4
, 1/3 S/L ratio, 4 h leaching time, and 85°C leaching temperature. Di(2-ethylhexyl) hydrogen phosphate (HDEHP) in kerosene was used for U extraction with 90.9% efficiency and its separation from Th in the presence of 0.3 M EDTA solution. Th was then selectively precipitated from the raffinate solution as Th peroxide.</description><identifier>ISSN: 1066-3622</identifier><identifier>EISSN: 1608-3288</identifier><identifier>DOI: 10.1134/S1066362221050052</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Chemistry ; Chemistry and Materials Science ; Chemistry/Food Science ; Ethylenediaminetetraacetic acids ; Hydrometallurgy ; Leaching ; Mica ; Niobium oxides ; Nuclear Chemistry ; Schist ; Separation ; Sulfuric acid ; Thorium ; Thorium oxides ; Uranium ; Zircon ; Zirconium dioxide</subject><ispartof>Radiochemistry (New York, N.Y.), 2021-10, Vol.63 (5), p.583-594</ispartof><rights>Pleiades Publishing, Ltd. 2021</rights><rights>Pleiades Publishing, Ltd. 2021.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c316t-6cf4645cb2a6ae0b9efb850c94e4bbb70503b485e98b1e332b2dbc46678fde6d3</citedby><cites>FETCH-LOGICAL-c316t-6cf4645cb2a6ae0b9efb850c94e4bbb70503b485e98b1e332b2dbc46678fde6d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids></links><search><creatorcontrib>Khaleal, F. M.</creatorcontrib><creatorcontrib>Kamar, M. S.</creatorcontrib><creatorcontrib>Khoziem, H. A. Abu</creatorcontrib><creatorcontrib>Abdellah, W. M.</creatorcontrib><title>Separation of Uranium and Thorium from Mica-Rich Schist Bands Concentrate of Wadi Abu Rusheid Area, South Eastern Desert, Egypt</title><title>Radiochemistry (New York, N.Y.)</title><addtitle>Radiochemistry</addtitle><description>Hydrometallurgical processing of micaceous bands concentrate for recovering U and Th using sulfuric acid agitation leaching was studied. This concentrate assays 4.1% ZrO
2
, 3.8% Nb
2
O
5
, 1.2% RE
2
O
3
, 2.8% ThO
2
, and 0.55% U
3
O
8
. The corresponding minerals of these elements include zircon, ferrocolumbite, fergusonite, uranothorite, autunite, and uranophane. About 96% of Th and 94% of U were dissolved under optimum leaching conditions: 30% H
2
SO
4
, 1/3 S/L ratio, 4 h leaching time, and 85°C leaching temperature. Di(2-ethylhexyl) hydrogen phosphate (HDEHP) in kerosene was used for U extraction with 90.9% efficiency and its separation from Th in the presence of 0.3 M EDTA solution. Th was then selectively precipitated from the raffinate solution as Th peroxide.</description><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Chemistry/Food Science</subject><subject>Ethylenediaminetetraacetic acids</subject><subject>Hydrometallurgy</subject><subject>Leaching</subject><subject>Mica</subject><subject>Niobium oxides</subject><subject>Nuclear Chemistry</subject><subject>Schist</subject><subject>Separation</subject><subject>Sulfuric acid</subject><subject>Thorium</subject><subject>Thorium oxides</subject><subject>Uranium</subject><subject>Zircon</subject><subject>Zirconium dioxide</subject><issn>1066-3622</issn><issn>1608-3288</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp1kM1OwzAQhCMEEqXwANwscW3AdhzHOZZSfqQipKYVx8h2Nk0qGhfbOfTEq-OoSBwQpx1pvpnVbhRdE3xLSMLuCoI5TzillOAU45SeRCPCsYgTKsRp0MGOB_88unBuizEWhItR9FXAXlrpW9MhU6O1lV3b75DsKrRqjB10bc0OvbZaxstWN6jQTes8ug-IQzPTaeh8KIAh_i6rFk1Vj5a9a6Ct0NSCnKDC9L5Bc-k82A49gAPrJ2i-Oez9ZXRWyw8HVz9zHK0f56vZc7x4e3qZTRexTgj3Mdc14yzVikouAascaiVSrHMGTCmVhZsTxUQKuVAEkoQqWinNOM9EXQGvknF0c-zdW_PZg_Pl1vS2CytLmgqWsZxkeaDIkdLWOGehLve23Ul7KAkuhz-Xf_4cMvSYcYHtNmB_m_8PfQP-738h</recordid><startdate>20211001</startdate><enddate>20211001</enddate><creator>Khaleal, F. M.</creator><creator>Kamar, M. S.</creator><creator>Khoziem, H. A. Abu</creator><creator>Abdellah, W. M.</creator><general>Pleiades Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20211001</creationdate><title>Separation of Uranium and Thorium from Mica-Rich Schist Bands Concentrate of Wadi Abu Rusheid Area, South Eastern Desert, Egypt</title><author>Khaleal, F. M. ; Kamar, M. S. ; Khoziem, H. A. Abu ; Abdellah, W. M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c316t-6cf4645cb2a6ae0b9efb850c94e4bbb70503b485e98b1e332b2dbc46678fde6d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Chemistry/Food Science</topic><topic>Ethylenediaminetetraacetic acids</topic><topic>Hydrometallurgy</topic><topic>Leaching</topic><topic>Mica</topic><topic>Niobium oxides</topic><topic>Nuclear Chemistry</topic><topic>Schist</topic><topic>Separation</topic><topic>Sulfuric acid</topic><topic>Thorium</topic><topic>Thorium oxides</topic><topic>Uranium</topic><topic>Zircon</topic><topic>Zirconium dioxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Khaleal, F. M.</creatorcontrib><creatorcontrib>Kamar, M. S.</creatorcontrib><creatorcontrib>Khoziem, H. A. Abu</creatorcontrib><creatorcontrib>Abdellah, W. M.</creatorcontrib><collection>CrossRef</collection><jtitle>Radiochemistry (New York, N.Y.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Khaleal, F. M.</au><au>Kamar, M. S.</au><au>Khoziem, H. A. Abu</au><au>Abdellah, W. M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Separation of Uranium and Thorium from Mica-Rich Schist Bands Concentrate of Wadi Abu Rusheid Area, South Eastern Desert, Egypt</atitle><jtitle>Radiochemistry (New York, N.Y.)</jtitle><stitle>Radiochemistry</stitle><date>2021-10-01</date><risdate>2021</risdate><volume>63</volume><issue>5</issue><spage>583</spage><epage>594</epage><pages>583-594</pages><issn>1066-3622</issn><eissn>1608-3288</eissn><abstract>Hydrometallurgical processing of micaceous bands concentrate for recovering U and Th using sulfuric acid agitation leaching was studied. This concentrate assays 4.1% ZrO
2
, 3.8% Nb
2
O
5
, 1.2% RE
2
O
3
, 2.8% ThO
2
, and 0.55% U
3
O
8
. The corresponding minerals of these elements include zircon, ferrocolumbite, fergusonite, uranothorite, autunite, and uranophane. About 96% of Th and 94% of U were dissolved under optimum leaching conditions: 30% H
2
SO
4
, 1/3 S/L ratio, 4 h leaching time, and 85°C leaching temperature. Di(2-ethylhexyl) hydrogen phosphate (HDEHP) in kerosene was used for U extraction with 90.9% efficiency and its separation from Th in the presence of 0.3 M EDTA solution. Th was then selectively precipitated from the raffinate solution as Th peroxide.</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.1134/S1066362221050052</doi><tpages>12</tpages></addata></record> |
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| ispartof | Radiochemistry (New York, N.Y.), 2021-10, Vol.63 (5), p.583-594 |
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| subjects | Chemistry Chemistry and Materials Science Chemistry/Food Science Ethylenediaminetetraacetic acids Hydrometallurgy Leaching Mica Niobium oxides Nuclear Chemistry Schist Separation Sulfuric acid Thorium Thorium oxides Uranium Zircon Zirconium dioxide |
| title | Separation of Uranium and Thorium from Mica-Rich Schist Bands Concentrate of Wadi Abu Rusheid Area, South Eastern Desert, Egypt |
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