公开(公告)号：US20240170172A1

公开(公告)日：2024-05-23

申请号：US18024827

申请日：2021-06-30

Applicant: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION

Inventor： Byoung Kwan KIM ,  Woo Yong UM ,  Jae Hyuk KANG ,  Ju Hyeok LEE

IPC: G21F9/16 ,  C04B14/10 ,  C04B18/04 ,  C04B18/14 ,  C04B22/06 ,  C04B28/26 ,  C04B111/00

CPC classification number: G21F9/165 ,  C04B14/106 ,  C04B18/0463 ,  C04B18/146 ,  C04B22/062 ,  C04B28/26 ,  C04B2111/00784 ,  C04B2111/00862

Abstract: The present invention relates to a method of solidifying radioactive waste containing boron, The method includes (a) mixing the radioactive waste, metakaolin, fumed silica, potassium hydroxide, and water to generate a second mixture, in which the radioactive waste contains boron.

公开(公告)号：US20210350945A1

公开(公告)日：2021-11-11

申请号：US16871703

申请日：2020-05-11

Applicant: Westinghouse Electric Company LLC

Inventor： Keith MAHOSKY

IPC: G21F9/00 ,  G21F9/16 ,  G21F9/30 ,  G21F9/14 ,  G21F9/32 ,  B07C5/346

Abstract: Provided herein is a method for reducing radiologically-contaminated waste. The method comprises treating radiologically-contaminated surfaces, wherein the radiologically-contaminated surfaces are treated with a surface treatment agent; treating radiologically-contaminated subsurfaces, wherein the radiologically-contaminated subsurfaces are treated with a surface/subsurface treatment agent; consolidating soil waste; employing real-time scanning technology to classify waste, wherein the classifying is based at least in part on a threshold of radiological contamination, and wherein the classified waste is sorted based on the classification; and disposing of the waste via at least one of different disposal routes, based at least in part on the classification.

公开(公告)号：US20200211727A1

公开(公告)日：2020-07-02

申请号：US16817178

申请日：2020-03-12

Applicant: Deep Isolation, Inc.

Inventor： Richard A. Muller ,  Elizabeth A. Muller

IPC: G21F9/34 ,  G21F5/008 ,  B09B1/00 ,  G21F9/30 ,  E21B43/00 ,  G21F9/16

Abstract: A hazardous material storage bank includes a wellbore extending into the Earth and including an entry at least proximate a terranean surface, the wellbore including a substantially vertical portion, a transition portion, and a substantially horizontal portion; a storage area coupled to the substantially horizontal portion of the well bore, the storage area within or below a shale formation, the storage area vertically isolated, by the shale formation, from a subterranean zone that includes mobile water; a storage container positioned in the storage area, the storage container sized to fit from the wellbore entry through the substantially vertical, the transition, and the substantially horizontal portions of the wellbore, and into the storage area, the storage container including an inner cavity sized enclose hazardous material; and a seal positioned in the wellbore, the seal isolating the storage portion of the wellbore from the entry of the wellbore.

公开(公告)号：US10553324B2

公开(公告)日：2020-02-04

申请号：US16076523

申请日：2017-05-09

Applicant: Secretary, Department of Atomic Energy

Inventor： Jayesh Gopaldas Shah ,  Sumit Pahan ,  Arvind Ananthanarayanan

IPC: G21F9/12 ,  C22C38/00 ,  G21F9/16 ,  G21F9/30 ,  C22C38/04 ,  C22C38/02 ,  C22C38/44

Abstract: Provided herein is a process for removal of 99Tc from liquid intermediate level waste (ILW) of spent fuel reprocessing including the steps of: adding HNO3 to ILW till the pH is 2 to destroy the carbonates, transferring the ILW derived of carbonates to a tank containing mild steel wool (msw) for 4 to 48 hrs, subjecting the ILW and MS Wool to the step of separation, discharging the supernatant solution free of 99Tc and retaining the corrosion products (goethite(FeOOH/magnetite), subjecting the said corrosion products to the step of vitrification, and storing the said vitrified 99Tc bearing waste.

公开(公告)号：US20190355487A1

公开(公告)日：2019-11-21

申请号：US16348594

申请日：2017-10-19

Applicant: UNIVERSITY OF SEOUL INDUSTRY COOPERATION FOUNDATION

Inventor： Yong Jun Choi

IPC: G21F9/16 ,  C12N15/74 ,  C12N1/20

Abstract: A method for removing iodine by using Deinococcus radiodurans having a gold nanoparticle synthesis ability is disclosed. More particularly, a method for removing radioactive iodine by adsorbing radioactive iodine onto gold nanoparticles synthesized in cells of Deinococcus radiodurans is disclosed. A recombinant microorganism having an enhanced radioactive iodine removal ability according to the present invention may selectively remove radioactive iodine present in various types of solutions at a high efficiency of 99% or higher, and thus may be very effective in removing radioactive iodine generated in large-scale hospitals, industries, nuclear facility accidents, and the like.

公开(公告)号：US10246367B2

公开(公告)日：2019-04-02

申请号：US15509929

申请日：2015-09-11

Applicant: COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES

Inventor： Agnès Grandjean ,  Yves Barre

IPC: G21F9/16 ,  B05D1/38 ,  B05D3/00 ,  B05D3/10 ,  C09K3/00 ,  C02F1/28 ,  C02F1/42 ,  C02F1/44 ,  B01D67/00 ,  B01D69/10 ,  B01D71/02 ,  C03C3/06 ,  G21F9/12 ,  G21F9/30 ,  B01J39/17 ,  B22F1/00 ,  B82Y30/00 ,  B82Y40/00 ,  C03C3/078

Abstract: The invention relates to a method for producing a solid nanocomposite material comprising nanoparticles of a metal coordination polymer with ligands CN, said nanoparticles satisfying the formula [Alk+x]Mn+[M′(CN)m]z− where Alk is an alkali metal, x is 1 or 2, M is a transition metal, n is 2 or 3, M′ is a transition metal, m is 6 or 8, and z is 3 or 4; said Mn+ cations of the coordination polymer being bound by an organometallic bond or a coordination bond to an organic group R2 of an organic graft, and said organic graft furthermore being chemically attached, preferably by a covalent bond, to at least one surface of a solid support, by reaction of a group R1 of said graft with said surface.

公开(公告)号：US10199129B1

公开(公告)日：2019-02-05

申请号：US15233680

申请日：2016-08-10

Applicant: Energy, United States Department of

Inventor： Michael D Kaminski ,  Carol J Mertz

IPC: B01D11/02 ,  B01J39/02 ,  B01J39/14 ,  G21F9/16 ,  G21F9/00

Abstract: The method and system disclosed provides radionuclide contamination mitigation by applying an aqueous carrier solution comprising a cation to a surface bearing a radionuclide contaminant to cause the radionuclide contaminant to enter solution forming a laden solution, then contacting the laden solution with a sequestering agent to bind to the radionuclide contaminant to form a laden sequestering agent. The removal and sequestration of the radionuclide contaminant from the contaminated surface leads directly to a reduction in the amount of radiologically-impacted critical infrastructure and the environment. The method and system are able to be performed or utilized economically with materials quickly available in the event of a radiological dispersion event.

公开(公告)号：US10032534B2

公开(公告)日：2018-07-24

申请号：US15059709

申请日：2016-03-03

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Hirofumi Okabe ,  Masaaki Kaneko ,  Tatsuaki Sato ,  Tetsuo Motohashi ,  Toshiaki Sugimori ,  Rie Arai ,  Yohei Sato

IPC: G21F9/16 ,  C04B28/04 ,  G21F9/06 ,  C04B40/00 ,  G21F9/08 ,  C04B111/00

CPC classification number: G21F9/165 ,  C04B28/04 ,  C04B40/0039 ,  C04B2111/00767 ,  G21F9/06 ,  G21F9/08 ,  G21F9/162

Abstract: A method for processing a radioactive liquid waste containing boron of the present invention includes: a molar ratio control step of adding an alkali metal or an alkali metal compound to a radioactive liquid waste containing boron to control an alkali metal/boron molar ratio in the radioactive liquid waste to be 0.8 or more; a drying step of drying the radioactive liquid waste having the controlled molar-ratio using a dryer to form a powdered waste; a dissolving step of mixing the powdered waste with kneading water to prepare a solution; and a kneading step of adding a hydraulic inorganic solidifying material to the solution, and kneading the hydraulic inorganic solidifying material and the solution for solidification.

公开(公告)号：US20180158558A1

公开(公告)日：2018-06-07

申请号：US15575504

申请日：2016-06-03

Applicant: EBARA CORPORATION ,  NIHON KAISUI CO., LTD.

Inventor： Takashi SAKUMA ,  Makoto KOMATSU ,  Takeshi IZUMI ,  Tomohiko ITO ,  Toru SHIBUYA

IPC: G21F9/16 ,  B01D15/36 ,  C08L27/12 ,  B01J29/08 ,  B01J29/18 ,  B01J29/70

CPC classification number: G21F9/167 ,  B01D15/361 ,  B01D2252/10 ,  B01D2257/60 ,  B01J20/06 ,  B01J20/28 ,  B01J29/08 ,  B01J29/18 ,  B01J29/7003 ,  C02F2101/006 ,  C02F2101/20 ,  C08L27/12 ,  G21F9/12

Abstract: Provided are an adsorbent capable of removing radioactive water liquid including iodine compounds and/or antimony by means of a water passing treatment, and a method and an apparatus for treating radioactive waste liquid by using the adsorbent. The adsorbent includes a polymer resin and 10 parts by weight or more of a hydrous hydroxide of a rare earth element based on 100 parts by weight of the polymer resin, in which the hydrous hydroxide of the rare earth element has a water content of 1 part by weight to 30 parts by weight based on 100 parts by weight of a dry product thereof, and adsorbs iodine compounds and/or antimony.

公开(公告)号：US09757603B2

公开(公告)日：2017-09-12

申请号：US13570479

申请日：2012-08-09

Applicant: Garry Edgington ,  Andreas Mylonakis

Inventor： Garry Edgington ,  Andreas Mylonakis

IPC: C11D3/37 ,  A62D5/00 ,  C09D5/20 ,  G21F9/30 ,  G21F9/16 ,  C09D5/16

CPC classification number: A62D5/00 ,  C09D5/165 ,  C09D5/20 ,  G21F9/16 ,  G21F9/301 ,  Y10T428/31855

Abstract: This invention relates to a polymer composition, comprising: water; a water-soluble polymer; and solid particulates of a sequestering agent. The composition may be used for decontaminating, cleaning and/or washing substrates contaminated with contaminants and/or contaminated materials.