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Minerals
Special Issues
Mineral-Specific Element Sorption onto Geological Repository Rocks
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Mineral-Specific Element Sorption onto Geological Repository Rocks

A special issue of Minerals (ISSN 2075-163X). This special issue belongs to the section "Environmental Mineralogy and Biogeochemistry".

Deadline for manuscript submissions: closed (22 May 2022) | Viewed by 2246

Special Issue Editor

Prof. Dr. Andrey A. Shiryaev

E-Mail Website
Guest Editor
A.N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, 119991 Moscow, Russia
Interests: nuclear waste; severe nuclear accidents; radiation defects; diamond

Special Issue Information

Dear Colleagues,

Long-term disposal of high-level nuclear waste is an important problem of the modern nuclear industry. Although many potentially promising technological solutions for recycling actinides and other useful nuclides have been proposed, most of them are still far from a mature state. In any case, even most advanced reprocessing technologies will leave behind an important amount of radioactive material, which is difficult to reuse from an economical point of view, and thus should be safely disposed of. The creation of deep geological repositories for high level nuclear waste is currently being considered in many countries, but numerous scientific and engineering issues remain unsolved.

This Special Issue aims to collect high quality papers focusing on studies of radionuclides on various types of rocks and backfill materials. Both experimental and modeling studies are invited.

Prof. Dr. Andrey A. Shiryaev
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Minerals is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • nuclear waste
  • radioecology
  • sorption
  • deep geological repository

Published Papers (1 paper)

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Research

37 pages, 8501 KiB  
Article
Uranium Retardation Capacity of Lithologies from the Negev Desert, Israel—Rock Characterization and Sorption Experiments
by Martin A. Dangelmayr, Gilles Y. Bussod, Paul W. Reimus, Giday WoldeGabriel, Ran Calvo, Rose J. Harris, Philip H. Stauffer, Hakim Boukhalfa, Ofra Klein-BenDavid, Noa Balaban and Ravid Rosenzweig
Minerals 2022, 12(6), 728; https://0-doi-org.brum.beds.ac.uk/10.3390/min12060728 - 06 Jun 2022
Cited by 3 | Viewed by 1909
Abstract
A series of batch experiments were performed to assess the uranium sorption capacity of four mineralogically distinct lithologies from the Negev Desert, Israel, to evaluate the suitability of a potential site for subsurface radioactive waste disposal. The rock specimens consisted of an organic-rich [...] Read more.
A series of batch experiments were performed to assess the uranium sorption capacity of four mineralogically distinct lithologies from the Negev Desert, Israel, to evaluate the suitability of a potential site for subsurface radioactive waste disposal. The rock specimens consisted of an organic-rich phosphorite, a bituminous marl, a chalk, and a sandstone. The sorption data for each lithology were fitted using a general composite surface complexation model (GC SCM) implemented in PHREEQC. Sorption data were also fitted by a non-mechanistic Langmuir sorption isotherm, which can be used as an alternative to the GC SCM to provide a more computationally efficient method for uranium sorption. This is because all the rocks tested have high pH/alkalinity/calcium buffering capacities that restrict groundwater chemistry variations, so that the use of a GC SCM is not advantageous. The mineralogy of the rocks points to several dominant sorption phases for uranyl (UO22+), including apatite, organic carbon, clays, and iron-bearing phases. The surface complexation parameters based on literature values for the minerals identified overestimate the uranium sorption capacities, so that for our application, an empirical approach that makes direct use of the experimental data to estimate mineral-specific sorption parameters appears to be more practical for predicting uranium sorption. Full article
(This article belongs to the Special Issue Mineral-Specific Element Sorption onto Geological Repository Rocks)
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