Understanding sulphuric acid leaching of uranium from ore by means of 234U/238U activity ratio as an indicator

Satybaldiyev, Bagdat; Lehto, Jukka; Suksi, Juhani; Tuovinen, Hanna; Uralbekov, Bolat; Burkitbayev, Mukhambetkali

doi:10.1016/j.hydromet.2015.04.017

Cited by 20 publications

(7 citation statements)

References 11 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The recovery of metals from ores or residues involved, among others, bioleaching (Abhilash et al, 2009;Brisson et al, 2016;Mishra et al, 2009;Watling, 2015;Zammit et al, 2014) and/or chemical leaching (Mirjalili and Roshani, 2007;Nettleton et al, 2015;Satybaldiyev et al, 2015) (Borra et al, 2015). Depending on the ore grade, the concentration of the metal ions in the leachates may strongly vary and different processes can be used for metal recovery.…”

Section: Introductionmentioning

confidence: 99%

Integrated treatment of tailing material for the selective recovery of uranium, rare earth elements and heavy metals

Hamza

El-Aassy

Guibal³

2019

Minerals Engineering

View full text Add to dashboard Cite

Processed ores may contain substantial amounts of residual valuable metals. In the case of the mining wastes issued from the exploitation of gibbsite bearing shale ore in the Southwestern Sinai, the characterization of the residue shows the presence of uranium, rare-earth elements (REEs), aluminum and zinc that can be valorized. Pug leaching at 120°C with an acid consumption of about 200 kg H 2 SO 4 per ton of ore succeeded in leaching more than 94% of U(VI) and REEs (in addition to substantial amounts of Al(III) and Zn(II)). A series of selective precipitation steps allowed successively recovering (almost quantitatively) Zn(II), Fe(III) and Al(III). In a second step, a magnetic resin has been used for enriching the pregnant leaching solution (by a factor close to 19) through sorption/desorption steps. In the last stage of the process, REEs were recovered by selective precipitation using 25% (w/w) oxalate solution at pH 1.5, while uranium was fully recovered by precipitation with NaOH at pH 9. Energy dispersive X-ray analysis performed on the different precipitates showed purity grades systematically superior to 93%.

show abstract

Section: Introductionmentioning

confidence: 99%

Integrated treatment of tailing material for the selective recovery of uranium, rare earth elements and heavy metals

Hamza

El-Aassy

Guibal³

2019

Minerals Engineering

View full text Add to dashboard Cite

show abstract

“…However, another study performed on U-bearing minerals (uraninite, samarskite) with dilute HCl reported that the leachates from uraninite samples have ( 234 U/ 238 U) > 1 while the leachates from the samarskite sample has ( 234 U/ 238 U) = 1 (Kobashi and Tominaga, 1982). More recently, acid-leaching experimental studies have been performed on U-ores using sulphuric acid in order to reproduce an industrial U-ore leaching processing (Satybaldiyev et al, 2015;Keatley et al, 2021). In the flow-through experimental study performed by Satybaldiyev et al (2015) on uraninite with dilute sulphuric acid, the leachates collected containing most of the U were characterized by a ( 234 U/ 238 U) < 1 (0.92-1.00), which is related to the oxidation and the dissolution of uraninite.…”

Section: ( 234 U/ 238 U) Activity Ratiomentioning

confidence: 99%

Combined U-Pb isotopic signatures of U mill tailings from France and Gabon: A new potential tracer to assess their fingerprint on the environment

Beaumais

Mangeret

Suhard

et al. 2022

Journal of Hazardous Materials

View full text Add to dashboard Cite

“…In Kazakhstan, underground well leaching is the only effective method of uranium mining. Sulfuric acid is used as a leaching reagent [6,7].…”

Section: Issn 2224-5278mentioning

confidence: 99%

To the Question of Recovery of Uranium From Raw Materials

Kenzhaliyev¹,

Surkova²,

Berkinbayeva³

et al. 2019

Series of geology and technical sciences

View full text Add to dashboard Cite

NAS RK is pleased to announce that News of NAS RK. Series of geology and technical sciences scientific journal has been accepted for indexing in the Emerging Sources Citation Index, a new edition of Web of Science. Content in this index is under consideration by Clarivate Analytics to be accepted in the Science Citation Index Expanded, the Social Sciences Citation Index, and the Arts & Humanities Citation Index. The quality and depth of content Web of Science offers to researchers, authors, publishers, and institutions sets it apart from other research databases. The inclusion of News of NAS RK. Series of geology and technical sciences in the Emerging Sources Citation Index demonstrates our dedication to providing the most relevant and influential content of geology and engineering sciences to our community. Қазақстан Республикасы Ұлттық ғылым академиясы "ҚР ҰҒА Хабарлары. Геология жəне техникалық ғылымдар сериясы" ғылыми журналының Web of Science-тің жаңаланған нұсқасы Emerging Sources Citation Index-те индекстелуге қабылданғанын хабарлайды. Бұл индекстелу барысында Clarivate Analytics компаниясы журналды одан əрі the Science Citation Index Expanded, the Social Sciences Citation Index жəне the Arts & Humanities Citation Index-ке қабылдау мəселесін қарастыруда. Webof Science зерттеушілер, авторлар, баспашылар мен мекемелерге контент тереңдігі мен сапасын ұсынады. ҚР ҰҒА Хабарлары. Геология жəне техникалық ғылымдар сериясы Emerging Sources Citation Index-ке енуі біздің қоғамдастық үшін ең өзекті жəне беделді геология жəне техникалық ғылымдар бойынша контентке адалдығымызды білдіреді. НАН РК сообщает, что научный журнал «Известия НАН РК. Серия геологии и технических наук» был принят для индексирования в Emerging Sources Citation Index, обновленной версии Web of Science. Содержание в этом индексировании находится в стадии рассмотрения компанией Clarivate Analytics для дальнейшего принятия журнала в the Science Citation Index Expanded, the Social Sciences Citation Index и the Arts & Humanities Citation Index. Web of Science предлагает качество и глубину контента для исследователей, авторов, издателей и учреждений. Включение Известия НАН РК. Серия геологии и технических наук в Emerging Sources Citation Index демонстрирует нашу приверженность к наиболее актуальному и влиятельному контенту по геологии и техническим наукам для нашего сообщества.

show abstract

Understanding sulphuric acid leaching of uranium from ore by means of 234U/238U activity ratio as an indicator

Cited by 20 publications

References 11 publications

Integrated treatment of tailing material for the selective recovery of uranium, rare earth elements and heavy metals

Integrated treatment of tailing material for the selective recovery of uranium, rare earth elements and heavy metals

Combined U-Pb isotopic signatures of U mill tailings from France and Gabon: A new potential tracer to assess their fingerprint on the environment

To the Question of Recovery of Uranium From Raw Materials

Contact Info

Product

Resources

About