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1. 发明专利

JP2000241354A METHOD FOR VISUALIZING GAS FLOW IN SOIL 失效
公开(公告)号：JP2000241354A
公开(公告)日：2000-09-08
申请号：JP4024499
申请日：1999-02-18
申请人： CANON KK , RAITO KOGYO KK
发明人： AZUMAYA YOSHIYUKI , KAWAGUCHI MASAHIRO , SUGAWA ETSUKO , KURIYAMA AKIRA , WATANABE AKIRA , IIO MASATOSHI , CHIAKI YURI
IPC分类号： B09C1/10 , A62D3/00 , A62D3/02 , G01N21/78 , G01N33/24
摘要： PROBLEM TO BE SOLVED: To visualize a flow of a gas in soil by injecting the gas in the soil by adding a coloration reagent and color identifying it. SOLUTION: As a coloration reagent, a reagent which is colorless in an initial state but brings about a color reaction when a specific gas is applied, a hydrogen ion concentration reagent which color identifies in an initial state but becomes another color or colorless by a specific gas or the like is used. Soil 3 obtained by mixing cement suspension supernatant colored with red by a phenol phthalein of a coloration reagent with cement mixed fine sand is contained in a transparent acrylic column 1, a pressure reducing valve 8 is regulated, and a carbonic acid gas is sent from a gas cylinder 9 into the soil 3 while holding a flow rate of a flowmeter 6 constant. After the gas is sent, the soil 3 is urged out from the column 1, sliced at about each 5 cm, and its section is observed. Then, though the soil 3 before the gas is sent is red by the phenol phthalein, but after the gas is fed, a part brought into contact with the carbonic acid gas becomes colorless by a neutralization. Accordingly, a flowing state of the gas is observed from its color erasing state.

2. 发明专利

JPH09276840A PURIFICATION OF CONTAMINATED SOIL 失效
公开(公告)号：JPH09276840A
公开(公告)日：1997-10-28
申请号：JP9149496
申请日：1996-04-12
申请人： CANON KK , RAITO KOGYO KK
发明人： KURIYAMA AKIRA , SUGAWA ETSUKO , KAWAGUCHI MASAHIRO , AZUMAYA YOSHIYUKI , WATANABE AKIRA , IIO MASATOSHI , CHIAKI YURI
IPC分类号： C12N1/00 , B09C1/10
摘要： PROBLEM TO BE SOLVED: To prevent secondary contamination, in purifying contaminated soil at a position lower than an underground water level, by arranging a plurality of water pumping-up equipments sucking underground water up to a position lower than a contaminated stratum and forcibly setting a contaminated region to an air passing bed and purifying the entire contaminated region by contaminant decomposing bacteria. SOLUTION: A plurality of water pumping-up equipments 1 are arranged in a state surrounding a contaminated region (c) so that the leading end points of them become a position lower than an underground water level W1 and the contaminated region (c) to be connected to a pump 3 to suck underground water. An injection pipe 8 is connected to a decomposing bacteria soln. tank 16 containing bacteria and a bacteria activating soln. tank 17 containing a bacteria activating substance. The surface of a sand column 9 high in voids is covered with a suction pipe 10 and connected to the suction port of a pump 7 to such. air in underground. Further, the water pumping-up equipments 1 are covered with sand columns 4 and the group of the air injection pipes 5 covering the surfaces of the sand columns 4 is connected to the exhaust port of the pump 7 and air is supplied to the contaminated region (c) from the pump 7 through the sand columns 4.

3. 发明专利

JPH09276837A METHOD FOR PURIFYING POLLUTED SOIL 失效
公开(公告)号：JPH09276837A
公开(公告)日：1997-10-28
申请号：JP9149196
申请日：1996-04-12
申请人： CANON KK , RAITO KOGYO KK
发明人： AZUMAYA YOSHIYUKI , KURIYAMA AKIRA , SUGAWA ETSUKO , KAWAGUCHI MASAHIRO , WATANABE AKIRA , IIO MASATOSHI , CHIAKI YURI
IPC分类号： C12N1/00 , B09C1/00 , B09C1/04 , B09C1/10
摘要： PROBLEM TO BE SOLVED: To purify soil polluted by organic compounds existing below a groundwater level by microorganisms in a closed condition in principle. SOLUTION: A gas-liquid injection-suction means is installed to enclose a polluted area C, and its open end is brought down below the polluted area C. In the upper part of the polluted area C is installed gas suction means. The groundwater level is lowered below the polluted area C by using the gas-liquid injection-suction means, and a chemical solution for microbial treatment is injected into the polluted area C. The groundwater level is lowered again, and air in the polluted area is circulated with the simultaneous use of the gas suction means for the microbial treatment.

4. 发明专利

JPH09276836A CASSETTE STYLE REACTOR TYPE POLLUTED SOIL PURIFYING APPARATUS AND SOIL PURIFYING METHOD USING THE APPARATUS 失效
公开(公告)号：JPH09276836A
公开(公告)日：1997-10-28
申请号：JP9149096
申请日：1996-04-12
申请人： CANON KK , RAITO KOGYO KK
发明人： KURIYAMA AKIRA , KAWAGUCHI MASAHIRO , SUGAWA ETSUKO , AZUMAYA YOSHIYUKI , WATANABE AKIRA , IIO MASATOSHI , CHIAKI YURI
IPC分类号： C12N1/00 , B09C1/00 , B09C1/04 , B09C1/10
摘要： PROBLEM TO BE SOLVED: To provide a method for purifying soil polluted by volatile pollutants which utilizes the merits of a vacuum extraction method and a microbial purification method, is simple, and does not increase reclamation costs. SOLUTION: A pile in which a cassette style reactor 15 having a reaction area holding microorganisms which decompose volatile pollutants is set is installed so that its tip part reaches the polluted region in soil 18, and by sucking from its exhaust port 11, the volatile pollutants in the polluted region 18 are introduced from a suction port formed at the tip part of the pile into the reaction area in the pile to be purified by decomposition.

5. 发明专利

JPH09276838A METHOD FOR PURIFYING POLLUTED SOIL AND APPARATUS THEREFOR 失效
公开(公告)号：JPH09276838A
公开(公告)日：1997-10-28
申请号：JP9149296
申请日：1996-04-12
申请人： CANON KK , RAITO KOGYO KK
发明人： KAWAGUCHI MASAHIRO , KURIYAMA AKIRA , SUGAWA ETSUKO , AZUMAYA YOSHIYUKI , WATANABE AKIRA , IIO MASATOSHI , CHIAKI YURI
IPC分类号： C12N1/00 , A62D3/00 , A62D3/02 , B09C1/00 , B09C1/04 , B09C1/10
摘要： PROBLEM TO BE SOLVED: To provide a method for purifying soil polluted by volatile pollutants which utilizes the merits of a vacuum extraction method and a microbial purification,method, is simple, and does not increase reclamation costs. SOLUTION: A pipe is driven into the ground so that its tip reaches a polluted area 19 containing volatile pollutants, and with microorganisms which can decompose the pollutants introduced into the pipe, by sucking the inside of the pipe, the volatile pollutants are introduced from the polluted area 19 into the pipe to be brought into contact with the microorganisms for purification.

6. 发明专利

JPH09276834A PURIFICATION OF CONTAMINATED SOIL 失效
公开(公告)号：JPH09276834A
公开(公告)日：1997-10-28
申请号：JP9148896
申请日：1996-04-12
申请人： CANON KK , RAITO KOGYO KK
发明人： SUGAWA ETSUKO , KURIYAMA AKIRA , AZUMAYA YOSHIYUKI , KAWAGUCHI MASAHIRO , WATANABE AKIRA , IIO MASATOSHI , CHIAKI YURI
IPC分类号： C12N1/00 , B09C1/00 , B09C1/04 , B09C1/10
摘要： PROBLEM TO BE SOLVED: To purify contaminated soil without increasing restoration treatment cost, in an apparatus for sucking a volatile contaminant in soil to guide the same to the reaction region holding bacteria within a reactor to decompose the same, by forming a water absorbable polymer bed in the vicinity of the reactor to adjust the water content in the vicinity of the reactor. SOLUTION: In purifying soil contaminated with an organochlorine compd. such as trichloroethylene or tetrachloroethylene, a volatile contaminant in soil is sucked to be guided to the reaction region holding bacteria capable of decomposing the volatile contaminant within a reactor arranged in soil to be decomposed. At this time, a water absorbing polymer bed is formed in the vicinity of the reactor to adjust the water content in the vicinity of the reactor. In execution, contaminant decomposing bacteria are bonded to a carrier (soil particles) and a tubular member 15 packed with a substance enhancing the decomposition activity of bacteria is further driven in contaminated soil and a gas phase (contaminated air) 18 in soil is drawn into soil to be discharged to the open air to be treated.

7. 发明专利

JPH09267082A METHOD FOR PURIFYING CONTAMINATED SOIL 失效
公开(公告)号：JPH09267082A
公开(公告)日：1997-10-14
申请号：JP7896396
申请日：1996-04-01
申请人： CANON KK , RAITO KOGYO KK
发明人： TANAKA KAZUSANE , SAKURANAGA MASANORI , KAWABATA YUJI , IIO MASATOSHI , CHIAKI YURI
IPC分类号： B09C1/10 , B09C1/00 , B09C1/04 , C12N1/00
摘要： PROBLEM TO BE SOLVED: To quicken the contact of a decomposition microorganism with a contaminated substance and to enable an effective purifying treatment by extracting a volatile org. compd. from a contaminated region and supplying to a purifying region by using a gas flow accessing to the purifying region through the contaminated region. SOLUTION: At first, an infection liq. containing a decomposition microorganism material is injected to the contaminated region 17 which is previously calculated and set with a liq. injection unit 11 through an injection pipe 13 having an injection port 14 to provide the purifying region 18. The gas containing the contaminated substance at the contaminated region 17 is extracted through an extraction pipe 15 embedded at the contaminated region 17 or its vicinity and having a sucking port 16 connected to a gas circulating unit 12 (including a sucking element, a component calculating element, a component regulating element and a gas infection element). A gas component of the extracted gas is properly calculated with a component calculating element, and the extracted gas is circulated again to the purified region 18 through the injection pipe 13 after adjusting the gas component with a component adjusting element if necessary.

8. 发明专利

JPH09225450A SOIL PURIFYING METHOD 失效
公开(公告)号：JPH09225450A
公开(公告)日：1997-09-02
申请号：JP28421296
申请日：1996-10-25
申请人： RAITO KOGYO KK , CANON KK
发明人： IIO MASATOSHI , SUZUKI MICHIYO , CHIAKI YURI , KAWABATA YUJI , YANO TETSUYA , AZUMAYA YOSHIYUKI , FURUSAKI SHINYA , IMAMURA TAKESHI
IPC分类号： E02D3/12 , A62D3/00 , A62D3/02 , B09C1/10 , C09K17/32 , C09K103/00 , C12N1/00
摘要： PROBLEM TO BE SOLVED: To widely distribute a medicinal liquid into soil by including a stage for impregnating the specified point in the soil region desired to be purified with liquid contg. microorganisms and a stage for impregnating the point impregnated with the liquid with gas and executing the stage for impregnation with the gas when the water content (in per cent of dry weight) of the soil at the point impregnated with the liquid is specific times the satd. water content in per cent of dry weight. SOLUTION: The purification of the soil contg. pollutants, such as phenol, by using the microorganisms, such as J1 strains, is executed by the two stages. Namely, the specified point in the soil region to be purified is impregnated with the liquid contg. the microorganisms (such as liquid contg. dissolved oxygen) by using an impregnation device. Next, the point impregnated with the liquid is impregnated with the gas, such as air. The impregnation of the inside of the soil with the medicinal liquid contg. the microorganisms, nutrients, etc., is executed by impregnating the soil with the medicinal liquid, then impregnating the soil with the gas when the water content in per cent of dry weight of the soil is >=0.6 times the satd. water content in per cent of dry weight to distribute a small amt. of the medicinal liquid to a wide range of the soil region. The microorganism materials, etc., capable of decomposing, for example, chemical materials are used as the material for impregnation to be included in the medicinal liquid.

9. 发明专利

JPH09276839A PURIFICATION OF CONTAMINATED SOIL 失效
公开(公告)号：JPH09276839A
公开(公告)日：1997-10-28
申请号：JP9149396
申请日：1996-04-12
申请人： CANON KK , RAITO KOGYO KK
发明人： TANAKA KAZUSANE , FURUSAKI SHINYA , SAKURANAGA MASANORI , WATANABE AKIRA , IIO MASATOSHI , CHIAKI YURI
IPC分类号： C12N1/00 , B09C1/00 , B09C1/04 , B09C1/10
摘要： PROBLEM TO BE SOLVED: To efficiently purify, contaminated soil, in purifying soil contaminated with a volatile org. compd. by utilizing bacteria, by forming a purified soil region containing an org. compd. adsorbing material to a contaminated region and extracting air containing a contaminant therefrom to circulate the extracted air to the contaminated region. SOLUTION: In purifying contaminated soil, an injection soln. containing a decomposing bacteria material and a volatile org. compd. adsorbing material is injected into a contaminated soil region 17 by a liquid injection unit 11 through an injection pipe 13 to provide a purified soil region 18. Air containing the contaminant in the contaminated soil region 17 is extracted through the extraction pipe 15 embedded in the contaminated soil region 17 and connected to an air circulating unit 12. After the air component compsn. of extracted air is measured by a component measuring element to be adjusted, the extracted air is again circulated to the purified soil region 18 through the injection pipe 13. Air containing the contaminant of the contaminated soil region 17 is sucked and extracted from the injection port 14 of the injection pipe 13 to be circulated to the purified soil region 18 through the air circulating unit 12 and a suction port 16.

10. 发明专利

JPH09276835A PURIFICATION OF CONTAMINATED SOIL 失效
公开(公告)号：JPH09276835A
公开(公告)日：1997-10-28
申请号：JP9148996
申请日：1996-04-12
申请人： CANON KK , RAITO KOGYO KK
发明人： AZUMAYA YOSHIYUKI , KAWAGUCHI MASAHIRO , SUGAWA ETSUKO , KURIYAMA AKIRA , WATANABE AKIRA , IIO MASATOSHI , CHIAKI YURI
IPC分类号： C12N1/00 , B09C1/10
摘要： PROBLEM TO BE SOLVED: To eliminate a problem of secondary pollution, in purifying contaminated soil at a position lower than a ground water level, by arranging water pumping-up equipments sucking underground water up to a position lower than a contaminated stratum in a state surrounding a contaminated region and passing contaminated air through a bacteria decomposing region to purify the same to discharge purified air from the ground. SOLUTION: A plurality of water pumping-up equipments 1 are connected to a pump 3 in a state surrounding a contaminated region (c) so that the respective leading points of them are set to a position lower than the contaminated region (c). Sand columns 4 high in voids are formed around the water pumping-up equipments and air injection pipes covering the surfaces of the sand columns 4 are connected to the exhaust port of a pump 7 to supply air to the contaminated region (c) from the pump 7 through the sand columns 4. Further, an injection pipe 8 is connected to a decomposing bacteria soln. tank 16 and a bacteria activating soln. tank 17 to inject bacteria and a bacteria activating substance into the contaminated region (c) from an injection port. The part of the injection pipe 8 above the injection port is also covered with a sand column 9 and the suction pipe 10 covering the surface of the sand column 9 is connected to the suction port of the pump 7 to suck air in the ground.

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