WO2025188564A3 - Methods for recycling and sequestering fluoride salt waste streams - Google Patents

Methods for recycling and sequestering fluoride salt waste streams

Info

Publication number
WO2025188564A3
WO2025188564A3 PCT/US2025/017860 US2025017860W WO2025188564A3 WO 2025188564 A3 WO2025188564 A3 WO 2025188564A3 US 2025017860 W US2025017860 W US 2025017860W WO 2025188564 A3 WO2025188564 A3 WO 2025188564A3
Authority
WO
WIPO (PCT)
Prior art keywords
recycling
sequestering
methods
waste streams
fluoride salt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/US2025/017860
Other languages
French (fr)
Other versions
WO2025188564A8 (en
WO2025188564A2 (en
Inventor
Jie Lian
Saurabh Sharma
Junhua Shen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rensselaer Polytechnic Institute
Original Assignee
Rensselaer Polytechnic Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rensselaer Polytechnic Institute filed Critical Rensselaer Polytechnic Institute
Publication of WO2025188564A2 publication Critical patent/WO2025188564A2/en
Publication of WO2025188564A8 publication Critical patent/WO2025188564A8/en
Publication of WO2025188564A3 publication Critical patent/WO2025188564A3/en
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/42—Selection of substances for use as reactor fuel
    • G21C3/44—Fluid or fluent reactor fuel
    • G21C3/54—Fused salt, oxide or hydroxide compositions
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
    • G21C19/42—Reprocessing of irradiated fuel
    • G21C19/44—Reprocessing of irradiated fuel of irradiated solid fuel
    • G21C19/46—Aqueous processes, e.g. by using organic extraction means, including the regeneration of these means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Processing Of Solid Wastes (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

A method of treating molten salt reactor waste is disclosed, the method including solubility separations of lithium fluoride salts and cesium fluoride salts from other fluoride salts, recycling of lithium, sodium and potassium salts, and sequestration of radioactive waste in metal halide perovskite minerals.
PCT/US2025/017860 2024-03-01 2025-02-28 Methods for recycling and sequestering fluoride salt waste streams Pending WO2025188564A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US202463560263P 2024-03-01 2024-03-01
US63/560,263 2024-03-01
US202463633264P 2024-04-12 2024-04-12
US63/633,264 2024-04-12

Publications (3)

Publication Number Publication Date
WO2025188564A2 WO2025188564A2 (en) 2025-09-12
WO2025188564A8 WO2025188564A8 (en) 2025-10-02
WO2025188564A3 true WO2025188564A3 (en) 2025-12-04

Family

ID=96991719

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2025/017860 Pending WO2025188564A2 (en) 2024-03-01 2025-02-28 Methods for recycling and sequestering fluoride salt waste streams

Country Status (1)

Country Link
WO (1) WO2025188564A2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3179503A (en) * 1962-09-24 1965-04-20 Donald E Horner Extraction of cesium from aqueous solution using phenols
RU2158975C1 (en) * 1999-03-17 2000-11-10 Пермский государственный технический университет Method for decontaminating salt wastes from radioactive components
CN105523580A (en) * 2014-09-28 2016-04-27 上海造孚新材料科技有限公司 Perovskite type compound preparation method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3179503A (en) * 1962-09-24 1965-04-20 Donald E Horner Extraction of cesium from aqueous solution using phenols
RU2158975C1 (en) * 1999-03-17 2000-11-10 Пермский государственный технический университет Method for decontaminating salt wastes from radioactive components
CN105523580A (en) * 2014-09-28 2016-04-27 上海造孚新材料科技有限公司 Perovskite type compound preparation method

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
FULLAM H.T.: "STRONTIUM-90 FLUORIDE DATA SHEET", OFFICE OF WASTE OPERATIONS AND TECHNOLOGY U.S. DEPARTMENT OF ENERGY UNDER CONTRACT DE-AC06-76RLO 1830, PACIFIC NORTHWEST LABORATORY RICH1 AND, WASHINGTON 99352, 1 June 1981 (1981-06-01), pages 1 - 73, XP093381085 *
GREUL ENRICO, PETRUS MICHIEL L., BINEK ANDREAS, DOCAMPO PABLO, BEIN THOMAS: "Highly stable, phase pure Cs<sub>2</sub>AgBiBr<sub>6</sub> double perovskite thin films for optoelectronic applications", JOURNAL OF MATERIALS CHEMISTRY A, ROYAL SOCIETY OF CHEMISTRY, GB, vol. 5, no. 37, GB , pages 19972 - 19981, XP093381094, ISSN: 2050-7488, DOI: 10.1039/c7ta06816f *
HODOROWICZ ET AL.: "Effect of ion size on the structure of mixed cation and anion fluoride halides", JOURNAL OF SOLID STATE CHEMISTRY, vol. 50, no. 2, 15 November 1983 (1983-11-15), pages 180 - 188, XP024193737, DOI: 10.1016/0022-4596(83)90186-X *
LADD-LIVELY JENNIFER: "Separation of Fluoride Residue Arising from Fluoride Volatility Recovery of Uranium from Spent Nuclear Fuel", THESIS, THE UNIVERSITY OF TENNESSEE, 1 January 2004 (2004-01-01), pages 1 - 84, XP093380876, Retrieved from the Internet <URL:https://trace.tennessee.edu/server/api/core/bitstreams/192113fa-590e-44ed-8059-bb31980f470a/content> *
RILEY BRIAN J.; MCFARLANE JOANNA; DELCUL GUILLERMO D.; VIENNA JOHN D.; CONTESCU CRISTIAN I.; FORSBERG CHARLES W.: "Molten salt reactor waste and effluent management strategies: A review", NUCLEAR ENGINEERING AND DESIGN, AMSTERDAM, NL, vol. 345, 1 January 1900 (1900-01-01), NL , pages 94 - 109, XP085623004, ISSN: 0029-5493, DOI: 10.1016/j.nucengdes.2019.02.002 *
YANYAN DUAN; DE-YI WANG; RUB\'EN D. COSTA: "Recent Progress on Synthesis, Characterization, and Applications of Metal Halide Perovskites@Metal Oxide", ARXIV.ORG, CORNELL UNIVERSITY LIBRARY, 201 OLIN LIBRARY CORNELL UNIVERSITY ITHACA, NY 14853, 1 September 2021 (2021-09-01), 201 Olin Library Cornell University Ithaca, NY 14853, XP091049790 *

Also Published As

Publication number Publication date
WO2025188564A8 (en) 2025-10-02
WO2025188564A2 (en) 2025-09-12

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