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1. 发明专利

GB2163892A Volume-reducing solidification treatment process for radioactive waste water containing boron 未知
公开(公告)号：GB2163892A
公开(公告)日：1986-03-05
申请号：GB8518117
申请日：1985-07-18
申请人： KYUSHU ELECTRIC POWER , JGC CORP
发明人： MASAKI TATSUO , KURUMADA NORIMITSU , SHIBUYA MAMORU
IPC分类号： G21F9/16 , G21F9/00 , G21F9/06 , G21F9/30
摘要： After evaporating and concentrating the radio-active waste water, caustic soda and a soluble calcium compound such as calcium hydroxide or calcium oxide are added to precipitate insoluble calcium borate, the precipitate is aged, liquid and solid portions are separated, the precipitate is mixed with cement and solidified, and the liquid portion, after evaporation and concentration, is recycled to the step in which insoluble calcium borate is precipitated.

2. 发明专利

FR2666441B1 未知
公开(公告)号：FR2666441B1
公开(公告)日：1995-04-07
申请号：FR9110723
申请日：1991-08-29
申请人： JGC CORP
发明人： IWAMOTO FUMIO , FUJISO MOTOMASA , KATO TAKASHI , SUZUKI KAZUNORI , SHIBUYA MAMORU , SUZUKI YASUHIRO
IPC分类号： C01B21/46 , C02F1/467 , G21C19/46 , G21C19/50

3. 发明专利

GB2163892B VOLUME-REDUCING SOLIDIFICATION TREATMENT PROCESS FOR RADIOACTIVE WASTE WATER 未知
公开(公告)号：GB2163892B
公开(公告)日：1988-08-10
申请号：GB8518117
申请日：1985-07-18
申请人： KYUSHU ELECTRIC POWER , JGC CORP
发明人： MASAKI TATSUO , KURUMADA NORIMITSU , SHIBUYA MAMORU
IPC分类号： G21F9/16 , G21F9/00 , G21F9/06 , G21F9/30

4. 发明专利

JP2002181993A METHOD OF PROCESSING RADIOACTIVE ASPHALT SOLIDIFIED BODY 失效
公开(公告)号：JP2002181993A
公开(公告)日：2002-06-26
申请号：JP2000375794
申请日：2000-12-11
申请人： JGC CORP
发明人： SUZUKI YASUHIRO , SHIBUYA MAMORU , KUBO YOSHIKAZU
IPC分类号： G21F9/30 , B01D61/14 , B09B3/00 , G21F9/02 , G21F9/06 , G21F9/16
摘要： PROBLEM TO BE SOLVED: To provide a method of processing radioactive asphalt solidified body capable of being executed at a low cost and preventing discharge of nitrogen nitrate and nitrous acid nitrogen into the environment. SOLUTION: The method has a solidified body fluidizing process 1 for adding a solvent to the radioactive asphalt solidified body, mixing and fluidizing, a solid/liquid separation process 2 for separating solid in the obtained mixture and a carbonate conversion process 5 for converting the nitrate and/or nitrous acid in the solid to carbonate by heating the separated solid under the existence of a conversion agent including carbon.

5. 发明专利

JP2001133594A METHOD OF REMOVING RADIONUCLIDE FROM REACTOR COOLING WATER 失效
公开(公告)号：JP2001133594A
公开(公告)日：2001-05-18
申请号：JP31545999
申请日：1999-11-05
申请人： JGC CORP
发明人： KAWASHIMA TAKASHI , SUZUKI KAZUNORI , SHIBUYA MAMORU
IPC分类号： G21C19/307 , G21F9/12
摘要： PROBLEM TO BE SOLVED: To provide a method of removing radionuclides from reactor cooling water in the upstream of an ion exchange resin for demineralization so that radionuclides are not adsorbed to ion exchange resin of an ion exchange column for demineralization installed for purifying reactor cooling water. SOLUTION: An adsorbent filling column (or adsorbent filling bed) 51 filled with at least one or two or more kinds of adsorbents, which is capable of selectively adsorbing and removing at least one kind of radionuclides of cations of Co, Mn, Fe, Cr, Ni, Zn, Sr, and Cs contained in reactor cooling water, is provided in a by-path 31' in the upstream of an ion exchange resin column 34 for demineralization of a chemical volume control line 31 which is a purging line for guiding primary cooling water from a primary cooling water line 13 of a pressurized water reactor 12 to the outside of a reactor container 11, thereby removing radionuclides from the reactor cooling water.

6. 发明专利

JP2001051097A SOLID WASTE INCLUDING RADIOACTIVE HALOGEN, AND ITS DISPOSAL METHOD 失效
公开(公告)号：JP2001051097A
公开(公告)日：2001-02-23
申请号：JP22585299
申请日：1999-08-09
申请人： JGC CORP , NAT INST RES INORGANIC MAT
发明人： AMAYA TAKAYUKI , SHIBUYA MAMORU , KODAMA HIROSHI
IPC分类号： G21F9/30
摘要： PROBLEM TO BE SOLVED: To provide a simple and low-cost method for stably fixing radioactive halogen including I-129 and Cl-36 for preventing radioactive halogen from easily eluding underground by utilizing a cation exchanging capability of bismuth compound indicated as BiPbO2NO3. SOLUTION: Waste including radioactive halogen is a solidified waste solidified with an inorganic matter matrix or organic matter matrix, and in the inorganic matter matrix or organic matter matrix, BiPbO2NO3 is included. In the case surrounding a waste solid 1 including radioactive halogen with a filling material and covering the filling material 2 also with a concrete structure to bury underground, BiPbO2NO3 can be made to include at least one of the filling material 2 and the concrete structure 3. Thus, the radioactive halogen can surely be fixed by the cation exchanging capability of the BiPbO2NO3.

7. 发明专利

JPH0466636B2 失效
公开(公告)号：JPH0466636B2
公开(公告)日：1992-10-23
申请号：JP10389583
申请日：1983-06-10
申请人： JGC CORP
发明人： KOSHIBA YUKIHIKO , SHIBUYA MAMORU , TATEISHI TAKESHI
IPC分类号： C02F1/44 , B01D61/02 , B01D61/12 , B01D61/58

8. 发明专利

JP2002286894A PROCESSING METHOD AND DEVICE FOR RADIOACTIVE WASTE 失效
公开(公告)号：JP2002286894A
公开(公告)日：2002-10-03
申请号：JP2001082929
申请日：2001-03-22
申请人： JGC CORP
发明人： MIHARA SHIGERU , SHIBUYA MAMORU , SHIODA TOSHIO
IPC分类号： G21F9/36 , B09B3/00 , G21F9/30
摘要： PROBLEM TO BE SOLVED: To provide a processing method a device for radioactive waste which does not use a large-scaled device or method, and is simple, static and capable of reducing exposure due to dust. SOLUTION: Several holes are provided to a solid body, and static crasher is poured into the holes to crash the solid body. The crashed solid is contained in a new drum, and mortar is filled to solidify it.

9. 发明专利

JP2001158622A METHOD OF TREATING ORGANOARSENIC COMPOUND 失效
公开(公告)号：JP2001158622A
公开(公告)日：2001-06-12
申请号：JP34148599
申请日：1999-11-30
申请人： JGC CORP
发明人： SHIBUYA MAMORU , TODO FUKUZO , KONISHI HIROKAZU
IPC分类号： A62D3/00 , A62D3/30 , A62D3/38 , A62D101/24 , C01G28/02 , C07F9/74
摘要： PROBLEM TO BE SOLVED: To provide a method of treating organoarsenic compound, capable of completely decomposing an organoarsenic compound into an inorganic arsenic compound without polluting the environment. SOLUTION: This method of treating organoarsenic compound comprises reacting the organoarsenic compound existing in an aqueous medium with hydrogen peroxide in the presence of at least one kind of metal ion selected from a group of comprising an iron, copper, cobalt, and manganese ion to oxidatively decomposing the organoarsenic compound into the inorganic arsenic compound.

10. 发明专利

JPH04115197A PROCESSING METHOD FOR NITRIC ACID COLLECTED FROM NUCLEAR FUEL REPROCESSING PROCESS 失效
公开(公告)号：JPH04115197A
公开(公告)日：1992-04-16
申请号：JP23502390
申请日：1990-09-05
申请人： JGC CORP
发明人： SUZUKI KAZUNORI , SHIBUYA MAMORU , SUZUKI YASUHIRO
IPC分类号： G21F9/06 , C02F1/461 , G21C19/46
摘要： PURPOSE:To reduce the quantity of waste which is formed into a solid in a waste disposal process, by a method wherein a nitric acid collected from a nuclear fuel reprocessing process is led to an electrolytic cell and electrolysis is executed under the condition that the concentration of HNO3 in an electrolytic solution is not below 5M. CONSTITUTION:A direct current is supplied to an electrolytic cell 1 from a constant- current constant-volage device 2 and electrolysis is executed with platinum used as the material of an anode 11 and graphite as the material of a cathode 12. An electrolytic solution is made to circulate between the cell and a tank 4 by a circulation pump 3. A gas produced from the anode 11 is released in the tank 4, an N2 gas is supplied to the tank 4 and the produced gas is taken out. While the flow rate of the gas is measured by a flowmeter 5, the gas is diluted with the N2 gas and the composition and concentration of the gas are measured by an NOx meter 6. In order to produce an NOx gas selectively, the concentration of a nitric acid being an object of electrolysis needs to be selected at a high value of about 5 to 6 M or above. A scrubber 7 is provided in the preceding stage of release of the gas into the outdoor air and a water solution of Na2CO3 is stored therein.

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