WO2008088072A1 - 硫黄成分検出装置 - Google Patents
硫黄成分検出装置 Download PDFInfo
- Publication number
- WO2008088072A1 WO2008088072A1 PCT/JP2008/050921 JP2008050921W WO2008088072A1 WO 2008088072 A1 WO2008088072 A1 WO 2008088072A1 JP 2008050921 W JP2008050921 W JP 2008050921W WO 2008088072 A1 WO2008088072 A1 WO 2008088072A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- metal compound
- sulfur component
- sulfur
- detection
- metal
- Prior art date
Links
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 111
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 111
- 239000011593 sulfur Substances 0.000 title claims abstract description 111
- 238000001514 detection method Methods 0.000 title claims description 111
- 150000002736 metal compounds Chemical class 0.000 claims abstract description 137
- 230000000704 physical effect Effects 0.000 claims abstract description 34
- 229910052751 metal Inorganic materials 0.000 claims abstract description 33
- 239000002184 metal Substances 0.000 claims abstract description 33
- 238000002485 combustion reaction Methods 0.000 claims abstract description 6
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 14
- 229910002651 NO3 Inorganic materials 0.000 claims description 12
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 150000002739 metals Chemical class 0.000 claims description 4
- 229910000510 noble metal Inorganic materials 0.000 claims description 4
- 230000004043 responsiveness Effects 0.000 claims description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 3
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 2
- 150000002910 rare earth metals Chemical class 0.000 claims description 2
- 230000004044 response Effects 0.000 claims description 2
- 125000000101 thioether group Chemical group 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 36
- 229940125773 compound 10 Drugs 0.000 description 10
- IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Chemical compound [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 description 9
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 6
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 6
- 229940125904 compound 1 Drugs 0.000 description 6
- 229940126214 compound 3 Drugs 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 229910052788 barium Inorganic materials 0.000 description 3
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229940125877 compound 31 Drugs 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 239000010948 rhodium Substances 0.000 description 2
- 229940127007 Compound 39 Drugs 0.000 description 1
- 235000012012 Paullinia yoco Nutrition 0.000 description 1
- XUBKPYAWPSXPDZ-UHFFFAOYSA-N [Ba].OS(O)(=O)=O Chemical compound [Ba].OS(O)(=O)=O XUBKPYAWPSXPDZ-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0042—SO2 or SO3
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/302—Sulfur oxides
Definitions
- the present invention provides a sulfur component detection device.
- So x concentration sensor The for detecting S_ ⁇ x concentration in the exhaust gas conventionally known.
- These known sO x concentration sensors usually use a solid electrolyte, and measure the electromotive force generated by the change of sO x into sulfate ions to detect the 'so x concentration in the exhaust gas. (For example, refer to Japanese Patent Laid-Open No. 2 0204 _ 2 3 9 700)
- the present inventors have converted the idea, rather than to detect the instantaneous S_ ⁇ x concentration, than is turned to Rukoto to detect the cumulative amount of the long period Wataruconnection discharged S_ ⁇ x . And it is of has been found that this Doing change in thinking as it is a cumulative amount of long period Wataruconnection discharged S_ ⁇ x but can easily detect the S_ ⁇ x amount in the exhaust gas.
- the present invention can be applied most appropriately when it is required to detect the integrated amount of S0 x discharged over a long period of time. wear. Even if it is not possible to detect the instantaneous S0 x concentration, it is sufficient if the average value of sO x concentration in a certain period or the average value of discharge sO x amount in a certain period can be detected. In this case, the present invention can be applied. Disclosure of the invention
- the objective of this invention is providing the sulfur component detection apparatus which can detect the sulfur component in gas easily.
- a metal or a metal compound capable of capturing the sulfur component in the gas is disposed in the gas flow path, and the time When the amount of sulfur component trapped by these metals or metal compounds increases with the passage of time, the physical properties of these metals or metal compounds that change as the amount of captured sulfur components increases are measured and measured.
- a sulfur component detection device that detects sulfur components in a gas from the obtained physical properties.
- Fig. 1 is a diagram showing a compression ignition type internal combustion engine
- Fig. 2 is a diagram for explaining the principle of detecting sulfur components
- Fig. 3 is a diagram for explaining a method for detecting sulfur components
- Fig. 4 is a method for detecting sulfur components.
- FIG. 5 is a diagram for explaining a method for detecting sulfur components
- FIG. 6 is a diagram for explaining a method for detecting sulfur components
- FIG. 7 is a diagram for explaining a method for detecting sulfur components.
- FIG. 8 is a diagram for explaining a method for detecting a sulfur component.
- FIG. 1 shows a case where the present invention is applied to a compression ignition type internal combustion engine.
- 1 is the engine body
- 2 is the exhaust manifold
- 3 is the exhaust.
- 4 is a catalyst such as N0 x storage reduction catalyst
- 5 is a sulfur component contained in the exhaust gas, that is, S placed in the exhaust gas passage in the exhaust pipe 3 to detect S0 x ⁇
- Each x sensor is shown.
- the present invention can be applied not only to detection of SO x in exhaust gas from an internal combustion engine, but also to detection of sulfur components in exhaust gas from a factory, for example. That is, the present invention can be applied to the detection of sulfur components in gases in all technical fields. However, the case where the present invention is applied to the detection of sulfur components in exhaust gas from an internal combustion engine as shown in FIG. 1 will be described below as an example.
- FIG. 2 shows the detection principle of the sulfur component according to the present invention.
- a metal or a metal compound capable of capturing a sulfur component in the gas in the gas flow passage, and in the embodiment shown in FIG. 1, SO x in the exhaust gas is captured in the exhaust gas flow passage.
- a possible metal or metal compound is arranged.
- This metal or metal compound is schematically indicated by reference numeral 10 in FIG. 2 (A).
- the metal or metal compound 10 shown in FIG. 2 (A) consists of a metal or metal compound that does not contain sulfur.
- the metal or metal compound 10 is composed of an alkali metal, an alkaline earth metal, a rare earth metal, a noble metal, or a compound of these metals.
- Norium Ba is barium oxide Ba0 in the atmosphere.
- Barium oxide B A_ ⁇ This is crimped immediately changed to barium carbonate B a C_ ⁇ 3 by CO or C_ ⁇ 2 contained in the exhaust gas when placed in the exhaust gas. Further, the barium carbonate B a C 0 3 is changed to barium nitrate B a (NO 3 ) 2 by NO x contained in the exhaust gas. That is, barium B a metal or metal compound 1 0 barium oxide are shown in FIG. 2 (A) when the used B a O or barium carbonate B a C_ ⁇ 3 or nitrate barium B a (N0 3 ) 2.
- this metal or metal compound 10 When this metal or metal compound 10 is placed in the exhaust gas, it becomes barium nitrate B a (NO 3 ) 2 .
- the metal or metal compound 10 shown in Fig. 2 (A) consists of an oxide, carbonate or nitrate, and when this metal or metal compound 10 is placed in the exhaust gas. Becomes nitrate.
- N_ ⁇ 3 2 consisting essentially metal compound 1 0 part barium nitrate B a (N_ ⁇ 3) 2 changes to sulfate burr ⁇ beam B a S_ ⁇ 4.
- a part of nitrate is changed to sulfate.
- the proportion of the sulfate in the metal compound 11 increases with time, that is, as the amount of captured sulfur component increases.
- FIG. 2 (C) shows a case where the metal or metal compound 10 is made of a noble metal or a compound thereof.
- this noble metal palladium Pd, rhodium Rh or platinum Pt can be used, and FIG. 2 (C) shows an example in which palladium Pd is used.
- the metal oxide P d O changes to sulfide P d S.
- the amount of the sulfur component captured by the metal or the metal compound 10 increases with time, the amount of the captured sulfur component changes as the amount increases.
- the physical properties of the metal or metal compound 10 are measured, and the sulfur component in the gas is detected from the measured physical properties.
- FIGS. 3 to 8 will be described with reference to an example in which nitrate is changed to sulfate as shown in FIG. 2 (B).
- FIG. 3 and 4 show the case where the measured physical property is an electrical property
- FIG. 3 shows the case where the measured physical property is an electrical resistance
- Figure 3 (A) shows the relationship between the amount of sulfur S trapped and the electrical resistance R.
- the electrical resistance R increases as the amount of sulfur S trapped increases, that is, as the amount of change from nitrate to sulfate increases. Therefore, from the electrical resistance value R, the amount of sulfur S trapped, that is, the integrated value of the amount of S 0 x in the exhaust gas can be obtained.
- FIG. 3 (B) shows the detection unit of the SO x sensor 5 shown in FIG. Figure 3 (B) to the metal compound piece for detection 1 4 and the pair of which is supported by a pair of terminals 1 3 for detection of S_ ⁇ is disposed flow path of the exhaust gas x sensor 5 as shown Reference supported by terminal 15
- Metal compound pieces 14 are provided.
- the detection metal compound piece 12 is formed from an oxide, carbonate or nitrate
- the reference metal compound piece 14 is formed from sulfate.
- the detection metal compound piece 12 changes to nitrate when it is not nitrate, and then the nitrate is gradually changed to sulfuric acid by SO x contained in the exhaust gas. Changes to salt.
- a reference metal compound piece 14 is provided.
- a whistle bridge as shown in FIG.
- the amount of sulfur. S trapped is calculated from the difference between the electrical resistance value of the detection metal compound piece 12 and the electrical resistance value of the reference metal compound piece 14.
- Figure 4 shows the case where the measured electrical properties are dielectric constant or capacitance.
- the detection part of the SO x sensor 5 in this case has the same structure as the detection part of the S0 x sensor 5 shown in FIG. 3 (B) as shown in FIG. 4 (B).
- the terminals 1 3 and 15 are formed in a structure capable of detecting the capacitance C of the corresponding metal compound pieces 1 2 and 14.
- each metal compound piece 1 2, 14 can be measured by using a charge / discharge circuit as shown in FIG. 4 (C), for example. That is, Figure 4 In (C), switch 1 7 is connected to contact a and the metal compound piece for detection 1 2 is charged, then switch 1 7 is connected to contact b and the metal compound piece for detection 1 2 is connected.
- the ammeter 19 flows a discharge current I as shown in Fig. 4 (D).
- this discharge current I is integrated, the integrated value represents the capacitance C.
- FIG. 4 (C) after the switching switch 18 is connected to the contact a and the reference metal compound piece 14 is charged, the switching switch 18 is connected to the contact b and the reference metal compound is connected. By discharging the piece 14, the capacitance C of the reference metal compound piece 14 can be obtained.
- the capacitance difference between the capacitance C of the detection metal compound piece 1 2 and the capacitance C of the reference metal compound piece 1 4 becomes smaller as the amount of sulfur S trapped increases, and this capacitance is therefore reduced.
- the amount of sulfur S captured can be determined from the capacity difference.
- Fig. 5 shows the case where the measured physical property is a mechanical property, and further shows the case where the measured mechanical property is a volume change.
- FIG. 5 (A) the volume decreases as the amount of sulfur S collected increases.
- Figures 5 (B), (C), and (D) use this change in volume to determine the amount of sulfur S trapped.
- the detection metal compound piece 1 2 and the reference metal compound piece 1 4 are placed on the detection part of the S0 x sensor 5, and the detection metal compound piece 1 2
- strain gauges 20 and 21 for detecting strain are attached to the wall surface and the wall surface of the reference metal compound piece 14, respectively.
- reference numerals 2 2 and 2 3 indicate the lead wires of the strain gauges 20 and 21 respectively.
- the volume change of the detection metal compound piece 1 2 is measured by measuring the strain of the detection metal compound piece 1 2
- the reference metal compound piece 1 2 is measured by measuring the strain of the reference metal compound piece 1 4.
- 1 4 Volume change was measured, and sulfur S was captured from the difference in the measured volume change. A quantity is required.
- the metal compound piece for detection 1 2 and the metal compound piece for reference 1 4 is placed on the detection part of S_ ⁇ x sensor 5 in the example shown in FIG. 5 (C), detection in this example The change in the capacitance due to the volume change of the metal compound piece 12 and the volume change of the reference metal compound piece 14 is detected.
- a bimetallic element consisting of a metal compound piece for detection 24 and a metal compound piece for reference 25 is mounted on the detection portion of the Sx sensor 5.
- the amount of sulfur S collected in the metal compound piece for detection 24 increases, the amount of bending of the bimetal element increases. Therefore, the amount of sulfur S collected can be determined from the amount of this amount of bending. .
- Figures 6 to 8 show the case where the measured physical properties are thermal properties, and the measured thermal properties are heat capacity and thermal conductivity.
- Fig. 7 (A) shows the detection part of the Sx sensor 5.
- a detection thermistor element 26 having a pair of lead wires 2 7 and a reference thermistor element 28 having a pair of lead wires 29 are provided. Further, in this example, the periphery of the detection thermistor element 26 is surrounded by the detection metal compound 30, and the periphery of the reference thermistor element 28 is surrounded by the reference metal compound 3 1.
- detection is performed when the temperature around the metal compound for detection 30 changes.
- Outgoing thermistor element 2 The heat capacity of the detection metal compound 30 is estimated from the responsiveness of the change in resistance value of 6 and the reference substrate when the temperature around the reference metal compound 3 1 changes.
- the heat capacity of the reference metal compound 3 1 is estimated from the responsiveness of the change in the resistance value of the miss element 28, and the amount of sulfur S trapped is determined from the difference in these heat capacities.
- the resistance value of the detection thermistor element 26 and the resistance value of the reference thermistor element 28 are measured using a whistle bridge as shown in FIG. Is obtained in the form of voltage.
- the voltage V of the voltmeter 32 showing the difference in resistance value decreases as the sulfur S trapped in the detection metal compound 30 increases as shown in FIG. 7C.
- the detection metal compound 30 and the reference metal compound 31 are covered with a porous cap 3 3 supporting an oxidation catalyst.
- S_ ⁇ 2 other sulfur compounds contained in the exhaust gas with such a cap 3 3 provided is oxidized to S_ ⁇ 3 that can be captured.
- the capture rate of the sulfur component contained in the exhaust gas is improved, and thus the detection accuracy of the sulfur component is improved.
- a detection thermocouple 3 4 and a reference thermocouple 3 5 are provided in the detection section of the SO x sensor 5.
- the temperature measuring contact 3 6 of the detection thermocouple 3 4 is surrounded by the detection metal compound 3 7, and the temperature measurement contact 3 8 of the reference thermocouple 3 5 is surrounded by the reference metal compound.
- the heat capacity of the detection metal compound 3 7 is estimated from the response of the change in the electromotive force of the detection thermocouple 3 4 when the temperature around the detection metal compound 3 7 changes.
- the heat capacity of the reference metal compound 39 is estimated from the responsiveness of the change in the electromotive force of the reference thermocouple 35 when the temperature around the object 39 is changed. Desired. Specifically, the amount of sulfur S trapped is determined from the difference between the electromotive force of the detection thermocouple 34 and the electromotive force of the reference thermocouple 35.
- heating devices 40 and 41 for heating the detection metal compound 30 and the reference metal compound 31 are provided.
- the difference in heat capacity between the metal compound for detection 30 and the metal compound for reference 31 can be obtained by generating heat from these heat sources 40 and 4 1.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Combustion & Propulsion (AREA)
- Environmental & Geological Engineering (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Biomedical Technology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008800012444A CN101568826B (zh) | 2007-01-17 | 2008-01-17 | 硫成分检测装置 |
US12/310,571 US8161794B2 (en) | 2007-01-17 | 2008-01-17 | Sulfur component detecting device |
KR1020097014144A KR101127670B1 (ko) | 2007-01-17 | 2008-01-17 | 유황 성분 검출 장치 |
EP08703751.1A EP2058647B8 (en) | 2007-01-17 | 2008-01-17 | Sulfur component detection apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007008047A JP5012036B2 (ja) | 2007-01-17 | 2007-01-17 | 硫黄成分検出装置 |
JP2007-008047 | 2007-01-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008088072A1 true WO2008088072A1 (ja) | 2008-07-24 |
Family
ID=39636068
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/050921 WO2008088072A1 (ja) | 2007-01-17 | 2008-01-17 | 硫黄成分検出装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8161794B2 (ja) |
EP (1) | EP2058647B8 (ja) |
JP (1) | JP5012036B2 (ja) |
KR (1) | KR101127670B1 (ja) |
CN (1) | CN101568826B (ja) |
WO (1) | WO2008088072A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011070687A1 (ja) * | 2009-12-09 | 2011-06-16 | トヨタ自動車株式会社 | 硫黄成分検出装置 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8621852B2 (en) | 2009-11-26 | 2014-01-07 | Toyota Jidosha Kabushiki Kaisha | Detector for detecting sulfur components |
US8555699B2 (en) | 2010-05-12 | 2013-10-15 | Toyota Jidosha Kabushiki Kaisha | Detector for detecting sulfur components |
CN103026022B (zh) * | 2011-08-01 | 2015-05-20 | 丰田自动车株式会社 | 内燃机的排气净化装置 |
JP5958435B2 (ja) * | 2013-08-23 | 2016-08-02 | トヨタ自動車株式会社 | 内燃機関の制御装置および制御方法 |
JP7144388B2 (ja) * | 2019-11-21 | 2022-09-29 | トヨタ自動車株式会社 | ガソリン中の硫黄成分の濃度を推定する方法 |
US11619576B2 (en) | 2020-02-18 | 2023-04-04 | International Business Machines Corporation | Corrosive substance detection using hydrophilic gel for improved corrosion exposure detection in electronic devices |
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WO2003029801A1 (fr) * | 2001-09-28 | 2003-04-10 | Shinko Electric Industries Co., Ltd. | Capteur de soufre et detecteur de soufre |
JP2004239706A (ja) | 2003-02-05 | 2004-08-26 | Toyota Central Res & Dev Lab Inc | SOxセンサおよび該センサを備えたSOx検出モジュール |
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JPS60256043A (ja) * | 1984-06-01 | 1985-12-17 | Advance Res & Dev Co Ltd | ガスセンサ |
GB8617431D0 (en) * | 1986-07-17 | 1986-08-28 | Atomic Energy Authority Uk | Sensor |
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- 2008-01-17 KR KR1020097014144A patent/KR101127670B1/ko active IP Right Grant
- 2008-01-17 EP EP08703751.1A patent/EP2058647B8/en not_active Expired - Fee Related
- 2008-01-17 WO PCT/JP2008/050921 patent/WO2008088072A1/ja active Application Filing
- 2008-01-17 CN CN2008800012444A patent/CN101568826B/zh not_active Expired - Fee Related
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011070687A1 (ja) * | 2009-12-09 | 2011-06-16 | トヨタ自動車株式会社 | 硫黄成分検出装置 |
CN102667460A (zh) * | 2009-12-09 | 2012-09-12 | 丰田自动车株式会社 | 硫磺成分检测装置 |
US8695399B2 (en) | 2009-12-09 | 2014-04-15 | Toyota Jidosha Kabushiki Kaisha | Detector for detecting sulfur components |
JP5477381B2 (ja) * | 2009-12-09 | 2014-04-23 | トヨタ自動車株式会社 | 硫黄成分検出装置 |
Also Published As
Publication number | Publication date |
---|---|
US8161794B2 (en) | 2012-04-24 |
JP2008175623A (ja) | 2008-07-31 |
KR101127670B1 (ko) | 2012-03-22 |
JP5012036B2 (ja) | 2012-08-29 |
EP2058647B1 (en) | 2014-08-06 |
EP2058647A1 (en) | 2009-05-13 |
US20100095741A1 (en) | 2010-04-22 |
CN101568826A (zh) | 2009-10-28 |
EP2058647B8 (en) | 2014-10-15 |
CN101568826B (zh) | 2012-09-19 |
KR20090096510A (ko) | 2009-09-10 |
EP2058647A4 (en) | 2011-04-06 |
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