JP2000512759A - 放射性廃液からセシウムを除去する方法およびヘキサシアノ鉄酸塩の製造方法 - Google Patents
放射性廃液からセシウムを除去する方法およびヘキサシアノ鉄酸塩の製造方法Info
- Publication number
- JP2000512759A JP2000512759A JP10502409A JP50240998A JP2000512759A JP 2000512759 A JP2000512759 A JP 2000512759A JP 10502409 A JP10502409 A JP 10502409A JP 50240998 A JP50240998 A JP 50240998A JP 2000512759 A JP2000512759 A JP 2000512759A
- Authority
- JP
- Japan
- Prior art keywords
- hexacyanoferrate
- transition element
- solution
- compound
- cesium
- 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.)
- Granted
Links
- UETZVSHORCDDTH-UHFFFAOYSA-N iron(2+);hexacyanide Chemical compound [Fe+2].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] UETZVSHORCDDTH-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims description 99
- 229910052792 caesium Inorganic materials 0.000 title claims description 46
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 title claims description 46
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 230000002285 radioactive effect Effects 0.000 title description 14
- 239000010808 liquid waste Substances 0.000 title description 9
- 230000007704 transition Effects 0.000 claims abstract description 65
- 239000000243 solution Substances 0.000 claims abstract description 41
- 239000007864 aqueous solution Substances 0.000 claims abstract description 33
- -1 hexacyanoferrate compound Chemical class 0.000 claims abstract description 29
- 239000002244 precipitate Substances 0.000 claims abstract description 24
- 150000003839 salts Chemical class 0.000 claims abstract description 19
- 150000001875 compounds Chemical class 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims abstract description 17
- 239000012266 salt solution Substances 0.000 claims abstract description 14
- 238000005406 washing Methods 0.000 claims abstract description 12
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 5
- 150000001340 alkali metals Chemical class 0.000 claims abstract description 5
- 238000005342 ion exchange Methods 0.000 claims description 30
- 229910017052 cobalt Inorganic materials 0.000 claims description 29
- 239000010941 cobalt Substances 0.000 claims description 29
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 29
- 239000002699 waste material Substances 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 23
- 239000002245 particle Substances 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 229910052723 transition metal Inorganic materials 0.000 claims description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical group [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 10
- 229910052700 potassium Inorganic materials 0.000 claims description 10
- 239000011591 potassium Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 10
- 238000001556 precipitation Methods 0.000 claims description 8
- 239000011734 sodium Substances 0.000 claims description 8
- 238000005202 decontamination Methods 0.000 claims description 7
- 230000003588 decontaminative effect Effects 0.000 claims description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000005119 centrifugation Methods 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 150000003624 transition metals Chemical class 0.000 claims description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 4
- 229910002651 NO3 Inorganic materials 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 229940044175 cobalt sulfate Drugs 0.000 claims description 3
- 229910000361 cobalt sulfate Inorganic materials 0.000 claims description 3
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N nitrate group Chemical group [N+](=O)([O-])[O-] NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 3
- 239000011236 particulate material Substances 0.000 claims description 3
- 239000013618 particulate matter Substances 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 239000008187 granular material Substances 0.000 claims description 2
- QSQIGGCOCHABAP-UHFFFAOYSA-N hexacene Chemical compound C1=CC=CC2=CC3=CC4=CC5=CC6=CC=CC=C6C=C5C=C4C=C3C=C21 QSQIGGCOCHABAP-UHFFFAOYSA-N 0.000 claims description 2
- 229940126062 Compound A Drugs 0.000 claims 1
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 claims 1
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000005192 partition Methods 0.000 abstract description 13
- 238000000926 separation method Methods 0.000 abstract description 8
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 abstract description 6
- 239000000047 product Substances 0.000 description 38
- 150000002500 ions Chemical class 0.000 description 16
- 239000000463 material Substances 0.000 description 16
- 239000000126 substance Substances 0.000 description 13
- 238000001704 evaporation Methods 0.000 description 10
- 230000008020 evaporation Effects 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 229940125904 compound 1 Drugs 0.000 description 6
- 239000002351 wastewater Substances 0.000 description 6
- 229910003321 CoFe Inorganic materials 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000003456 ion exchange resin Substances 0.000 description 4
- 229920003303 ion-exchange polymer Polymers 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 238000012958 reprocessing Methods 0.000 description 4
- AWDBHOZBRXWRKS-UHFFFAOYSA-N tetrapotassium;iron(6+);hexacyanide Chemical compound [K+].[K+].[K+].[K+].[Fe+6].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] AWDBHOZBRXWRKS-UHFFFAOYSA-N 0.000 description 4
- 239000010457 zeolite Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 150000001868 cobalt Chemical class 0.000 description 3
- MIAJZAAHRXPODB-UHFFFAOYSA-N cobalt potassium Chemical compound [K].[Co] MIAJZAAHRXPODB-UHFFFAOYSA-N 0.000 description 3
- 229940125782 compound 2 Drugs 0.000 description 3
- 239000012065 filter cake Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 239000012047 saturated solution Substances 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 230000004580 weight loss Effects 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- AIYUHDOJVYHVIT-UHFFFAOYSA-M caesium chloride Chemical compound [Cl-].[Cs+] AIYUHDOJVYHVIT-UHFFFAOYSA-M 0.000 description 2
- 150000003841 chloride salts Chemical class 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002927 high level radioactive waste Substances 0.000 description 2
- 239000003758 nuclear fuel Substances 0.000 description 2
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 150000003623 transition metal compounds Chemical class 0.000 description 2
- 238000004017 vitrification Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 1
- RGPSXEGIFWXCDR-UHFFFAOYSA-N 3-cyano-3-oxopropanoic acid Chemical compound OC(=O)CC(=O)C#N RGPSXEGIFWXCDR-UHFFFAOYSA-N 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- GXCLVBGFBYZDAG-UHFFFAOYSA-N N-[2-(1H-indol-3-yl)ethyl]-N-methylprop-2-en-1-amine Chemical compound CN(CCC1=CNC2=C1C=CC=C2)CC=C GXCLVBGFBYZDAG-UHFFFAOYSA-N 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052776 Thorium Inorganic materials 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910001413 alkali metal ion Inorganic materials 0.000 description 1
- YVBOZGOAVJZITM-UHFFFAOYSA-P ammonium phosphomolybdate Chemical compound [NH4+].[NH4+].[NH4+].[NH4+].[O-]P([O-])=O.[O-][Mo]([O-])(=O)=O YVBOZGOAVJZITM-UHFFFAOYSA-P 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- YNTQKXBRXYIAHM-UHFFFAOYSA-N azanium;butanoate Chemical compound [NH4+].CCCC([O-])=O YNTQKXBRXYIAHM-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- NCMHKCKGHRPLCM-UHFFFAOYSA-N caesium(1+) Chemical group [Cs+] NCMHKCKGHRPLCM-UHFFFAOYSA-N 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- AMWVZPDSWLOFKA-UHFFFAOYSA-N phosphanylidynemolybdenum Chemical compound [Mo]#P AMWVZPDSWLOFKA-UHFFFAOYSA-N 0.000 description 1
- 239000010908 plant waste Substances 0.000 description 1
- 239000012857 radioactive material Substances 0.000 description 1
- 239000000941 radioactive substance Substances 0.000 description 1
- 239000002901 radioactive waste Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 239000007974 sodium acetate buffer Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- ZNCPFRVNHGOPAG-UHFFFAOYSA-L sodium oxalate Chemical compound [Na+].[Na+].[O-]C(=O)C([O-])=O ZNCPFRVNHGOPAG-UHFFFAOYSA-L 0.000 description 1
- 229940039790 sodium oxalate Drugs 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/04—Treating liquids
- G21F9/06—Processing
- G21F9/12—Processing by absorption; by adsorption; by ion-exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/02—Processes using inorganic exchangers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/08—Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/09—Inorganic material
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C3/00—Cyanogen; Compounds thereof
- C01C3/08—Simple or complex cyanides of metals
- C01C3/11—Complex cyanides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D17/00—Rubidium, caesium or francium compounds
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B26/00—Obtaining alkali, alkaline earth metals or magnesium
- C22B26/10—Obtaining alkali metals
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/42—Treatment or purification of solutions, e.g. obtained by leaching by ion-exchange extraction
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/007—Recovery of isotopes from radioactive waste, e.g. fission products
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/50—Agglomerated particles
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Geochemistry & Mineralogy (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Removal Of Specific Substances (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. セシウム含有水溶液を遷移元素の固体ヘキサシアノ鉄酸塩化合物と接触させてセ シウムをヘキサシアノ鉄酸塩と結合させ、 セシウム含有量が減少した水溶液をヘキサシアノ鉄酸塩から分離する 段階を含む、水溶液、特に核廃液からセシウムを除去する方法において、 交換可能な遷移元素分が35%以下である遷移元素ヘキサシアノ鉄酸塩を用いるこ とを特徴とする方法。 2. ヘキサシアノ鉄酸塩化合物の交換可能な遷移元素分が30%以下、好ましく は28%以下である請求項1に記載の方法。 3. 遷移元素塩溶液中に遷移元素塩溶液の濃度が少なくとも0.35モル/lであ るヘキサシアノ鉄酸塩の水溶液を徐々に添加し、添加の間混合物を周囲温度で撹 拌することによって遷移元素のヘキサシアノ鉄酸塩を作り、得られたヘキサシア ノ鉄酸塩の沈殿物を混合物から分離し、回収する請求項1または2に記載の方法 。 4. 粒径が0.1から2mm、好ましくは、0.3から0.85mmである遷移元素ヘキサシ アノ鉄酸塩化合物の粒状物質を使用する請求項1から3のいずれか一項に記載の 方法。 5. 遷移金属がコバルトである請求項1から4のいずれか一項に記載の方法。 6. イオン交換カラム中のヘキサシアノ鉄酸塩の粒子とセシウム含有水溶液と を接触させる請求項1から5のいずれか一項に記載の方法。 7. カラムの汚染除去率が少なくとも1,000である請求項6に記載の方法。 8. セシウム含有廃液の容量が少なくとも1,000:1の比で減少する請求項6 または7に記載の方法。 9.可溶性ヘキサシアノ鉄酸塩化合物の水溶液を撹拌しながら遷移元素塩水溶液 に徐々に添加することによって遷移元素ヘキサシアノ鉄酸塩の沈殿物を作り、 得られたヘキサシアノ鉄酸塩沈殿物を水中でスラリー化して数回洗浄し、 各回の洗浄後に遠心分離してスラリー化した溶液から沈殿物を分離し、 温度を上げて沈殿物を乾燥し、 乾燥ケークを粉砕し、 所望粒度の粒子を選別する 段階を含む、可溶性ヘキサシアノ鉄酸塩化合物と遷移元素の塩からカラム使用に 適した粒状遷移元素のヘキサシアノ鉄酸塩を製造する方法において、 遷移元素塩溶液の濃度を0.35モル/lにし、 溶液の添加段階においてヘキサシアノ鉄酸塩化合物と遷移元素との混合物を周囲 温度で撹拌する ことを特徴とする方法。 10. 使用する遷移金属塩が硫酸コバルトであり、遷移元素の濃度が0.4から1.3 モル/lである請求項9に記載の方法。 11. 温度15から30℃、好ましくは約18から25℃でヘキサシアノ鉄酸塩溶液を遷 移金属塩の水溶液に添加する請求項9または10に記載の方法。 12. 遷移元素がニッケルまたはコバルトである請求項9から11のいずれか一項 に記載の方法。 13. 遷移元素塩が硝酸塩、硫酸塩または塩化物塩である請求項9から12のいず れか一項に記載の方法。 14. 可溶性ヘキサシアノ鉄酸塩化合物がヘキサシアノ鉄酸ナトリウム、カリウ ムまたはアンモニウムである請求項9から13のいずれか一項に記載の方法。 15. 沈殿後に得られる固体を洗浄し、遠心分離またはフィルタープレスを用い て圧縮する請求項9から14のいずれか一項に記載の方法。 16. 乾燥したヘキサシアノ鉄酸塩ケークを水中で予備砕解する請求項9から15 のいずれか一項に記載の方法。 17. 選別した粒状物質を水で洗浄することによって表而から微粉固体を除去し 、さらに温度を上げて再び乾燥する請求項9から16のいずれか一項に記載の方法 。 18. 粒状物質を洗浄するためにK-EDTA溶液を用いる請求項17に記載の方法。 19. 使用するアルカリ金属またはアンモニウムヘキサシアノ鉄酸塩の濃度が0.4 から0.65モル/l(20℃で)である請求項9から18のいずれか一項に記載の方法 。 20. 直径が0.lから2mm、好ましくは0.3から0.85mmの粒状物を製造する請求項 9から19のいずれか一項に記載の方法。 21. 遷移元素全量中の交換可能なコバルト分が35%以下、好ましくは30%以下 、特に好ましくは28%以下である請求項9から20に記載の方法。
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FI962648A FI111765B (fi) | 1996-06-26 | 1996-06-26 | Menetelmä cesiumin erottamiseksi ydinjäteliuoksista sekä menetelmä heksasyanoferraattien valmistamiseksi |
FI962648 | 1996-06-26 | ||
PCT/FI1997/000413 WO1997050092A1 (en) | 1996-06-26 | 1997-06-26 | Method for cesium removal from radioactive waste liquids and method for producing hexacyanoferrates |
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JP2000512759A true JP2000512759A (ja) | 2000-09-26 |
JP4168172B2 JP4168172B2 (ja) | 2008-10-22 |
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JP50240998A Expired - Lifetime JP4168172B2 (ja) | 1996-06-26 | 1997-06-26 | ヘキサシアノ鉄酸塩の製造方法 |
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US (1) | US6214234B1 (ja) |
EP (1) | EP0909447B1 (ja) |
JP (1) | JP4168172B2 (ja) |
AT (1) | ATE224577T1 (ja) |
AU (1) | AU3346097A (ja) |
DE (1) | DE69715623T2 (ja) |
FI (1) | FI111765B (ja) |
WO (1) | WO1997050092A1 (ja) |
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JP2012251987A (ja) * | 2011-05-06 | 2012-12-20 | Dainichiseika Color & Chem Mfg Co Ltd | セシウム除去材 |
JP2014020806A (ja) * | 2012-07-12 | 2014-02-03 | Kobelco Eco-Solutions Co Ltd | 放射性セシウム含有水の処理方法、飛灰の処理方法、放射性セシウム含有水の処理装置及び飛灰の処理装置 |
JP2014021030A (ja) * | 2012-07-23 | 2014-02-03 | Biryo Genso Kaihatsu Co Ltd | セシウムの除去方法およびセシウム除去機能を備えたミネラルウォーター生成器 |
WO2015083688A1 (ja) * | 2013-12-02 | 2015-06-11 | 国立大学法人東京工業大学 | セシウム吸着剤及びその製造方法並びにセシウム吸着剤を使用したセシウムの除去方法 |
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US20060141029A1 (en) * | 2003-05-20 | 2006-06-29 | Erimos Pharmaceuticals Llc | Methods and compositions for delivery of catecholic butanes for treatment of diseases |
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1996
- 1996-06-26 FI FI962648A patent/FI111765B/fi not_active IP Right Cessation
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1997
- 1997-06-26 EP EP97929321A patent/EP0909447B1/en not_active Expired - Lifetime
- 1997-06-26 WO PCT/FI1997/000413 patent/WO1997050092A1/en active IP Right Grant
- 1997-06-26 DE DE69715623T patent/DE69715623T2/de not_active Expired - Lifetime
- 1997-06-26 US US09/202,453 patent/US6214234B1/en not_active Expired - Lifetime
- 1997-06-26 AT AT97929321T patent/ATE224577T1/de not_active IP Right Cessation
- 1997-06-26 AU AU33460/97A patent/AU3346097A/en not_active Abandoned
- 1997-06-26 JP JP50240998A patent/JP4168172B2/ja not_active Expired - Lifetime
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JP2012046399A (ja) * | 2010-08-30 | 2012-03-08 | National Institute Of Advanced Industrial Science & Technology | 無欠陥型プルシアンブルー類似体によるリチウムイオン2次電池用電極材料 |
JP2012251987A (ja) * | 2011-05-06 | 2012-12-20 | Dainichiseika Color & Chem Mfg Co Ltd | セシウム除去材 |
JP2014020806A (ja) * | 2012-07-12 | 2014-02-03 | Kobelco Eco-Solutions Co Ltd | 放射性セシウム含有水の処理方法、飛灰の処理方法、放射性セシウム含有水の処理装置及び飛灰の処理装置 |
JP2014021030A (ja) * | 2012-07-23 | 2014-02-03 | Biryo Genso Kaihatsu Co Ltd | セシウムの除去方法およびセシウム除去機能を備えたミネラルウォーター生成器 |
WO2015083688A1 (ja) * | 2013-12-02 | 2015-06-11 | 国立大学法人東京工業大学 | セシウム吸着剤及びその製造方法並びにセシウム吸着剤を使用したセシウムの除去方法 |
JP2015128760A (ja) * | 2013-12-02 | 2015-07-16 | 国立大学法人東京工業大学 | セシウム吸着剤及びその製造方法並びにセシウム吸着剤を使用したセシウムの除去方法 |
Also Published As
Publication number | Publication date |
---|---|
DE69715623D1 (de) | 2002-10-24 |
FI962648A (fi) | 1997-12-27 |
DE69715623T2 (de) | 2003-04-24 |
JP4168172B2 (ja) | 2008-10-22 |
EP0909447B1 (en) | 2002-09-18 |
WO1997050092A1 (en) | 1997-12-31 |
ATE224577T1 (de) | 2002-10-15 |
FI111765B (fi) | 2003-09-15 |
FI962648A0 (fi) | 1996-06-26 |
US6214234B1 (en) | 2001-04-10 |
AU3346097A (en) | 1998-01-14 |
EP0909447A1 (en) | 1999-04-21 |
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