EP3565651A1 - Condensate separator for exhaust gas measuring systems - Google Patents
Condensate separator for exhaust gas measuring systemsInfo
- Publication number
- EP3565651A1 EP3565651A1 EP17826430.5A EP17826430A EP3565651A1 EP 3565651 A1 EP3565651 A1 EP 3565651A1 EP 17826430 A EP17826430 A EP 17826430A EP 3565651 A1 EP3565651 A1 EP 3565651A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gas
- condensate
- gas outlet
- housing
- inlet
- 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.)
- Pending
Links
- 239000012530 fluid Substances 0.000 claims abstract description 34
- 239000007789 gas Substances 0.000 claims description 134
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 2
- 239000003546 flue gas Substances 0.000 claims description 2
- 230000032258 transport Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000005259 measurement Methods 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000005137 deposition process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0078—Condensation of vapours; Recovering volatile solvents by condensation characterised by auxiliary systems or arrangements
- B01D5/009—Collecting, removing and/or treatment of the condensate
-
- 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
-
- 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
- B01D53/26—Drying gases or vapours
- B01D53/265—Drying gases or vapours by refrigeration (condensation)
-
- 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
- G01N33/0011—Sample conditioning
- G01N33/0014—Sample conditioning by eliminating a gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Definitions
- the invention relates to a condensate separator for an exhaust gas measuring system, comprising a housing with a condenser drain opening, a cooled inlet line for introducing a fluid into the housing, the inlet line opening into an inlet opening formed in the housing, and a gas outlet nozzle having a gas inlet and a gas outlet, wherein the gas outlet port opens into a gas outlet line.
- Condensate separators are known from the prior art and serve for the separation of water from fluids, in particular from gases or gas mixtures.
- condensate separators are used for separating water from sample gas streams which contain water or water vapor-containing exhaust gases.
- sample gas streams which contain water or water vapor-containing exhaust gases.
- water vapor is formed, which is contained as a component in the exhaust gas flow, wherein the fluid is just saturated in the dew point with water vapor.
- the temperature of the fluid is lowered below the dew point, the water vapor condenses and the condensate is in the liquid phase.
- the lowering of the fluid temperature below the dew point is therefore used to specifically the content of the water vapor in the exhaust gas reduce and drain the condensate in front of the meter to dry the sample gas.
- the sample gas is passed through a cooler in a condensate, the condensate is separated from the fluid in the condensate and the separated condensate in a condensate tank, from which the condensate can be removed by means of a drain valve at intervals or continuously.
- the cooler has a container which is filled with cooling liquid. Through the container filled with cooling liquid runs an inlet line which opens into a condensate separator and through which the fluid to be cooled flows.
- the Kondensatabscheider is composed of a cylindrical and an adjoining frusto-conical portion, the frusto-conical portion tapers down and opens into a condensate drain opening.
- a dip tube dips into the condensate separator, which serves as a gas outlet nozzle and opens into a gas discharge line, the gas dried by the condensate separation flowing out of the condensate separator through the dip tube.
- a disadvantage of the embodiment described in DE 37 06 941 A1 is that the gas volume flow flowing through the gas outlet nozzle entrains already separated condensate due to its high flow velocity, thereby transporting the condensate via the dip tube from the condensate separator and to the measuring instruments.
- the cross-sectional area of the gas inlet of the gas outlet nozzle is greater than the cross-sectional area of the gas outlet of the gas outlet nozzle, the flow rate of the gas flow rate is lowered at the gas inlet of the gas outlet nozzle, thereby easily and inexpensively entrainment of condensate through the gas flow into the gas outlet and to the Measuring devices is prevented.
- the inlet opening is arranged on a side wall of the housing, wherein the inlet line opens tangentially into the housing and the fluid is introduced tangentially into the housing.
- the housing is preferably cylindrical.
- the condensate is thrown by the centrifugal force acting thereon to the outside of the side of the Kondensatabscheiders, is decelerated at the side wall of the Kondensatabscheiders and adheres, so that the condensate from the fluid volume flow is solved.
- the separated condensate flows down the side wall of the condensate down to the condensate discharge opening.
- the thus dried gas flows through the gas outlet from the condensate.
- the condensate is separated from the fluid in a cost effective and simple manner.
- the gas outlet nozzle has a frusto-conical portion between the gas inlet and the gas outlet, whereby the dead volume, which results in a discontinuous cross-sectional transition, is avoided.
- the gas lines in the exhaust gas measuring system can be reduced and the exhaust gas volume flow required for the measurements can be reduced.
- the gas outlet nozzle has a shoulder between the gas inlet of the gas outlet nozzle and the gas outlet of the gas outlet nozzle, whereby the change in cross section between the gas outlet of the gas outlet nozzle and the gas inlet can be provided in a simple manner.
- the gas outlet nozzle is a dip tube, which dips into the housing and thus fulfills the function of a static classifier.
- the gas inlet of the dip tube in the direction of the axis of symmetry of the housing is arranged between the inlet opening and the condensate drain opening, whereby a short circuit between the inlet opening and the outlet opening is avoided, through which the fluid could flow directly into the dip tube and before the deposition of the condensate.
- the fluid flowing into the housing necessarily forcibly circulates along the cylinder wall of the housing before it can flow into the dip tube.
- the dip tube dips concentrically into the housing, so that the flow to the gas outlet, the tangential flow in the condensate does not affect.
- a conical outlet region of the condensate separator a sufficient distance to the ground is obtained.
- the gas outlet port extends from an upper base surface of the housing to the outside.
- the gas outlet can already be produced in the manufacturing process of the housing, whereby the manufacturing and assembly costs are reduced.
- the cross-sectional area of the gas inlet is twice as large as the cross-sectional area of the gas outlet. Due to such a ratio of the cross-sectional areas of the gas inlet of the gas outlet nozzle and the gas outlet to each other particularly little already deposited condensate is entrained by the gas flow in the gas outlet.
- the inlet duct spirals through a radiator.
- the fluid cools and the water vapor present in the fluid condenses, whereby the condensate is entrained by the fluid flow.
- the helical configuration of the inlet line allows more heat to be removed from the fluid since a larger surface of the inlet line is surrounded by the cooling medium.
- the diameter of the inlet line corresponds at least to the diameter of a condensing droplet of the condensate. In this way, the fluid volume flow generated by a pump is always ensured, preventing the blocking of the inlet line and a build-up of pressure in the inlet line produced by the condensate.
- the housing preferably has a cylindrical housing section, in which the inlet opening is formed, and a frustoconical housing section adjoining the cylindrical housing section, in which the condensate discharge opening is formed.
- the fluid is introduced into the Kondensatabscheider and placed in a cylindrical orbit.
- the adjoining the cylindrical housing portion frusto-conical housing portion is the
- a condensate trap for exhaust gas measuring systems that prevents the separated condensate from being entrained in the gas outlet through the gas flow in a simple and inexpensive manner, thereby avoiding contamination of the measuring instruments, measurement inaccuracies in the measurements and corrosion-related failures of measuring instruments.
- Figure 1 shows a Kondensatabscheider with a first embodiment of the invention the gas outlet nozzle
- Figure 2 shows a Kondensatabscheider with a second embodiment of the gas outlet nozzle according to the invention.
- FIG. 1 shows a condensate separator 10 for an exhaust gas measuring system (not shown in FIG. 1) with a housing 12, which is composed of a cylindrical housing section 14 and a frustoconical housing section 16.
- the cylindrical housing section 14 has a closed upper base surface 18 and an open lower base surface 20, wherein the frustoconical housing section 16 adjoins the open lower base surface 20.
- the frusto-conical housing section 16 runs downwards, so that the diameter of the frusto-conical housing section 16 decreases from the open lower base surface 20 of the cylindrical housing section 14 to a condensate drain opening 22 arranged at the lower end of the frusto-conical housing section 16.
- To the condensate drain opening 22nd connects a drain line 24, which connects the condensate 10 with, for example, a condensate mixing bowl, not shown in the figure.
- an inlet port 28 is formed, which is connected to an inlet conduit 30, wherein the inlet conduit 30 is formed spirally and extends through a cooler 32.
- dip tube 36 dives into the housing 12, wherein the dip tube 36 forms a gas outlet port 35.
- the dip tube 36 has a gas inlet 38, which is arranged in the housing 12, and a gas outlet 40, which is arranged in the horizontal plane of the upper base surface 18 of the cylindrical housing portion 14 and directed to the gas outlet pipe 50 on.
- the cross-sectional area of the gas inlet of the dip tube 36 or of the gas outlet nozzle 35 is greater than the cross-sectional area of the gas outlet 40 of the dip tube 36 or the gas outlet nozzle 35.
- the dip tube 36 has a frustoconical section 42 which adjoins a cylindrical portion 44.
- the dip tube 36 is fixedly disposed over the cylindrical portion 44 on the upper base surface 18 of the cylindrical housing portion 14 and immersed with the cylindrical portion 44 in the housing 12 a.
- the frusto-conical portion 42 adjoins the cylindrical portion 44 immersed in the housing 12, with the frusto-conical portion 42 tapering from the gas inlet 38 to the transition into the cylindrical portion 44.
- FIG. 2 shows a condensate separator 10 with a housing 12 which, as already shown in FIG. 1, is composed of a cylindrical housing section 14 with an inlet opening 28 formed on the circumferential side wall 26 of the cylindrical housing section 14 and a frustoconical housing section 16 with a condensate drain opening 22 ,
- the cylindrical housing section 14 has an upper base surface 18 and an open lower base surface 20, wherein the frustoconical housing section 16 adjoins the open lower base surface 20.
- the frusto-conical housing section 16 runs downwards and has the condensate discharge opening 22 at the lowest point.
- the gas outlet connection 35 does not dip into the housing 12, but adjoins the upper base surface of the cylindrical housing section 14.
- the gas outlet pipe 35 has a gas inlet 38 and a gas outlet 40 fluidically connected to a gas outlet pipe 50, the diameter of the gas inlet 38 corresponding to the diameter of the upper base surface 18 of the cylindrical housing portion 14 and starting from the upper base surface 18 to the gas outlet 40 of the gas outlet nozzle 35th tapers.
- the cross-sectional area of the gas inlet 38 is greater according to the invention than the cross-sectional area of the gas outlet 40.
- the deposition process of the condensate is the same in both embodiments described in FIG. 1 and FIG.
- the fluid initially flows via the cooled inlet line 30 to the inlet opening 28.
- the cooling of the inlet line 30 takes place via the cooler 32, which is a cup-shaped container filled with cooling medium, through which the spirally formed inlet line 30 extends.
- the fluid is cooled below the dew temperature of the fluid, whereby the water vapor contained in the fluid condensed. Due to the volume flow of the fluid, the condensate is taken and transported into the housing 12.
- the fluid with the condensed condensate flows tangentially into the housing 12 via the inlet opening 28 formed on the cylinder wall 26, the fluid and the condensate circulating along the cylinder wall 26 of the housing 12 through the cylindrical shape of the housing 12. Due to the higher mass of the condensate drops acts on the condensate drops a higher centrifugal force, which causes the condensate drops entrained by the volume flow of fluid from the fluid to the cylinder wall 26 are braked on the cylinder wall 26 and via the cylinder wall 26 to the condensate drain opening 22nd flow away.
- To the condensate drain opening 22 includes a drain line 24, which connects the condensate 10 with, for example, a condensate mixing bowl, not shown in the figure.
- the frusto-conical housing portion 16 of the housing 12 serves to increase the flow rate of the volume flow of the fluid, whereby the centrifugal force acting on the condensate drops and thereby the deposition of the condensate is increased again.
- the thus freed from the condensate gas flows in the middle of the housing 12 to the gas inlet 38 of the gas outlet nozzle 35.
- the larger cross-sectional area of the gas inlet 38 relative to the gas outlet 40 of the gas outlet nozzle 35 causes a reduction in the flow velocity of the gas flow at the gas inlet 38, thereby preventing the already separated condensate is entrained by the gas flow in the gas outlet pipe 35.
- a condensate separator for an exhaust gas measuring system which prevents the entrainment of already separated condensate by the gas flow in a simple and cost-effective manner and impurities of the measuring devices, measurement inaccuracies during measurements and avoids corrosion-related failures of measuring instruments.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Drying Of Gases (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017100180.8A DE102017100180A1 (en) | 2017-01-06 | 2017-01-06 | Condensate separator for flue gas measuring systems |
PCT/EP2017/081200 WO2018127331A1 (en) | 2017-01-06 | 2017-12-01 | Condensate separator for exhaust gas measuring systems |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3565651A1 true EP3565651A1 (en) | 2019-11-13 |
Family
ID=60953804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17826430.5A Pending EP3565651A1 (en) | 2017-01-06 | 2017-12-01 | Condensate separator for exhaust gas measuring systems |
Country Status (7)
Country | Link |
---|---|
US (1) | US11305211B2 (en) |
EP (1) | EP3565651A1 (en) |
JP (1) | JP6985398B2 (en) |
KR (1) | KR20190094483A (en) |
CN (1) | CN110290847A (en) |
DE (1) | DE102017100180A1 (en) |
WO (1) | WO2018127331A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20220046404A (en) * | 2019-08-20 | 2022-04-14 | 마이크로ㆍ이큅먼트 가부시키가이샤 | humidity control gas generator |
CN115193207B (en) * | 2021-04-09 | 2024-06-18 | 中芯南方集成电路制造有限公司 | Water-steam separator |
CN114392580B (en) * | 2022-03-24 | 2022-07-05 | 广东盈峰科技有限公司 | Cold trap device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2425258A1 (en) * | 1978-05-08 | 1979-12-07 | Elf Union | Sepg. gaseous effluents into liq. and gaseous fractions - using enclosure communicating at upper part with column contg. baffles |
CN203862086U (en) * | 2014-05-04 | 2014-10-08 | 衢州市沃德仪器有限公司 | Gas-liquid separating device |
Family Cites Families (25)
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DE7413770U (en) | 1974-07-25 | Duerr Dental Kg | Valve arrangement, in particular for devices for generating dry compressed air | |
US2187646A (en) | 1935-08-16 | 1940-01-16 | Bbc Brown Boveri & Cie | Separator |
US2726732A (en) | 1952-07-17 | 1955-12-13 | C A Norgren Company | Air line filter and automatic drain valve |
US3200568A (en) * | 1963-09-06 | 1965-08-17 | Dalph C Mcneil | Flash separator |
CH484686A (en) * | 1967-06-16 | 1970-01-31 | Escher Wyss Ag | Cyclone for cutting off gases from liquid-gas mixtures |
US3529405A (en) * | 1968-07-09 | 1970-09-22 | Ashbrook Clifford L | Separator |
AU562086B2 (en) | 1985-02-15 | 1987-05-28 | Tlv Co., Ltd. | Gas-water separator with centrifugal action |
US4755194A (en) | 1985-03-11 | 1988-07-05 | National Tank Company | Method for introducing a mixture of gas and liquid into a separator vessel |
DE3706941A1 (en) | 1987-03-04 | 1988-09-15 | Seiler Geb Fritz Ursula | Gas cooler with integrated condensate precipitation (elimination, separation) |
DE3716350A1 (en) | 1987-05-15 | 1988-12-01 | Groeger & Obst Mess Regeltech | METHOD AND DEVICE FOR TREATING A GAS TO BE ANALYZED |
CN2039390U (en) * | 1988-10-19 | 1989-06-14 | 牧永华 | Inverted cyclonic scrubber |
US5466270A (en) | 1992-11-16 | 1995-11-14 | Abdelmalek; Fawzy T. | Cyclonic centrifugal gas separator - absorber apparatus for boiler flue gas cleaning |
US5820641A (en) * | 1996-02-09 | 1998-10-13 | Mks Instruments, Inc. | Fluid cooled trap |
US6129775A (en) * | 1998-08-19 | 2000-10-10 | G.B.D. Corp. | Terminal insert for a cyclone separator |
JP3833853B2 (en) * | 1999-06-22 | 2006-10-18 | 株式会社堀場製作所 | Drain separator |
US20060130653A1 (en) | 2004-02-20 | 2006-06-22 | Balingit Ronald F | Smoke collector for diesel engines |
JP4465207B2 (en) * | 2004-02-23 | 2010-05-19 | 株式会社堀場製作所 | Electronic cooler and analyzer using the same |
JP4451770B2 (en) * | 2004-12-21 | 2010-04-14 | 株式会社堀場製作所 | Gas-liquid separator and analyzer using the same |
JP4622868B2 (en) * | 2006-01-16 | 2011-02-02 | トヨタ紡織株式会社 | Bubble separator |
DE102006038726B4 (en) * | 2006-08-11 | 2011-06-09 | Visteon Global Technologies Inc., Van Buren | Refrigerant compressor for air conditioning and method for oil separation and pressure pulsation damping this |
JP4695215B1 (en) * | 2010-03-05 | 2011-06-08 | 独立行政法人石油天然ガス・金属鉱物資源機構 | Gas-liquid separator and flow rate measuring device |
CN201955264U (en) * | 2010-12-31 | 2011-08-31 | 聚光科技(杭州)股份有限公司 | Condensation device |
JP6345657B2 (en) * | 2012-07-18 | 2018-06-20 | サノフィ−アベンティス・ドイチュラント・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | Gas-liquid separator |
CN103471878A (en) * | 2012-11-13 | 2013-12-25 | 上海理工大学 | Sampling and collecting system of SO3 in wet method desulphurization system tail flue gas |
CN103071318B (en) * | 2013-01-30 | 2015-04-15 | 华东理工大学 | Device for liquid degassing through swirling flow field or centrifugal field and pressure gradient field coupling |
-
2017
- 2017-01-06 DE DE102017100180.8A patent/DE102017100180A1/en active Granted
- 2017-12-01 WO PCT/EP2017/081200 patent/WO2018127331A1/en unknown
- 2017-12-01 KR KR1020197022820A patent/KR20190094483A/en not_active Application Discontinuation
- 2017-12-01 EP EP17826430.5A patent/EP3565651A1/en active Pending
- 2017-12-01 US US16/476,078 patent/US11305211B2/en active Active
- 2017-12-01 CN CN201780081464.1A patent/CN110290847A/en active Pending
- 2017-12-01 JP JP2019536860A patent/JP6985398B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2425258A1 (en) * | 1978-05-08 | 1979-12-07 | Elf Union | Sepg. gaseous effluents into liq. and gaseous fractions - using enclosure communicating at upper part with column contg. baffles |
CN203862086U (en) * | 2014-05-04 | 2014-10-08 | 衢州市沃德仪器有限公司 | Gas-liquid separating device |
Non-Patent Citations (1)
Title |
---|
See also references of WO2018127331A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP6985398B2 (en) | 2021-12-22 |
US11305211B2 (en) | 2022-04-19 |
US20190344197A1 (en) | 2019-11-14 |
DE102017100180A1 (en) | 2018-07-12 |
KR20190094483A (en) | 2019-08-13 |
WO2018127331A1 (en) | 2018-07-12 |
CN110290847A (en) | 2019-09-27 |
JP2020509344A (en) | 2020-03-26 |
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