WO2001005498A1 - Reacteur multietage, ses applications et procede de fabrication du peroxyde d'hydrogene - Google Patents
Reacteur multietage, ses applications et procede de fabrication du peroxyde d'hydrogene Download PDFInfo
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- WO2001005498A1 WO2001005498A1 PCT/FR2000/001416 FR0001416W WO0105498A1 WO 2001005498 A1 WO2001005498 A1 WO 2001005498A1 FR 0001416 W FR0001416 W FR 0001416W WO 0105498 A1 WO0105498 A1 WO 0105498A1
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- Prior art keywords
- reactor
- turbines
- diameter
- liquid phase
- hydrogen
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- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000007789 gas Substances 0.000 claims abstract description 27
- 239000007791 liquid phase Substances 0.000 claims abstract description 27
- 239000007787 solid Substances 0.000 claims abstract description 11
- 239000001257 hydrogen Substances 0.000 claims description 27
- 229910052739 hydrogen Inorganic materials 0.000 claims description 27
- 238000006243 chemical reaction Methods 0.000 claims description 26
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 25
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 24
- 239000001301 oxygen Substances 0.000 claims description 24
- 229910052760 oxygen Inorganic materials 0.000 claims description 24
- 239000012071 phase Substances 0.000 claims description 16
- 239000003153 chemical reaction reagent Substances 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 11
- 239000000376 reactant Substances 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 239000007792 gaseous phase Substances 0.000 claims description 3
- 239000011949 solid catalyst Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- 239000000470 constituent Substances 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 description 12
- 239000000203 mixture Substances 0.000 description 11
- 239000000243 solution Substances 0.000 description 8
- 239000012431 aqueous reaction media Substances 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- JHJLBTNAGRQEKS-UHFFFAOYSA-M sodium bromide Chemical compound [Na+].[Br-] JHJLBTNAGRQEKS-UHFFFAOYSA-M 0.000 description 4
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 2
- OLBVUFHMDRJKTK-UHFFFAOYSA-N [N].[O] Chemical compound [N].[O] OLBVUFHMDRJKTK-UHFFFAOYSA-N 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 101100400378 Mus musculus Marveld2 gene Proteins 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical class C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000010421 standard material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
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- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
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- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2336—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer
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- B01J19/1868—Stationary reactors having moving elements inside resulting in a loop-type movement
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- B01J37/0201—Impregnation
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- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/005—Separating solid material from the gas/liquid stream
- B01J8/006—Separating solid material from the gas/liquid stream by filtration
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- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/20—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium
- B01J8/22—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium gas being introduced into the liquid
- B01J8/222—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium gas being introduced into the liquid in the presence of a rotating device only
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- B01J8/20—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium
- B01J8/22—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium gas being introduced into the liquid
- B01J8/224—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium gas being introduced into the liquid the particles being subject to a circulatory movement
- B01J8/228—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium gas being introduced into the liquid the particles being subject to a circulatory movement externally, i.e. the particles leaving the vessel and subsequently re-entering it
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
- C01B15/01—Hydrogen peroxide
- C01B15/029—Preparation from hydrogen and oxygen
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01F23/20—Mixing gases with liquids
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- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2335—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the direction of introduction of the gas relative to the stirrer
- B01F23/23352—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the direction of introduction of the gas relative to the stirrer the gas moving perpendicular to the axis of rotation
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- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/111—Centrifugal stirrers, i.e. stirrers with radial outlets; Stirrers of the turbine type, e.g. with means to guide the flow
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- B01F27/191—Stirrers with two or more mixing elements mounted in sequence on the same axis with similar elements
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- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
- B01J2208/00176—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles outside the reactor
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- B01J2219/18—Details relating to the spatial orientation of the reactor
- B01J2219/185—Details relating to the spatial orientation of the reactor vertical
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- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
- B01J35/615—100-500 m2/g
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/64—Pore diameter
- B01J35/647—2-50 nm
Definitions
- the present invention relates to a method according to which several gaseous components are reacted in the presence of a solid suspended in a liquid phase.
- the invention also relates to a device for implementing the method.
- the invention more particularly relates to a device and a method for manufacturing hydrogen peroxide directly from oxygen and hydrogen with a catalyst suspended in an aqueous phase.
- the present invention therefore aims to provide a process comprising a reaction step involving several gaseous components in the presence of a solid suspended in a liquid phase and in particular a process for the direct manufacture of hydrogen peroxide safely and with optimal productivity in hydrogen peroxide, as well as a device allowing its implementation.
- the device according to the invention comprises a vertical stirred reactor of cylindrical shape, provided with means for injecting gaseous reagents at the bottom, with outlet means at the top for discharging the gaseous reagents and with several centrifugal turbines arranged, preferably regularly, the along a single vertical stirring tree.
- the vertical shaft is generally driven by a geared motor group, which most often is located either at the top or below the reactor. Depending on its length, the shaft can be supported by one or more bearings.
- the reactor can also be equipped with counter-blades and / or heat exchanger.
- the perfectly stirred reactor consists of a single capacity without a horizontal fixed partition.
- the height of the reactor is generally between 1, 5 and 10 times the diameter and preferably between
- the reactor is also provided with a bottom and a cover which can be flat or semi-spherical.
- FIG. 1 is a simplified diagram of a particular device of the invention.
- the device comprises a vertical stirred reactor (V) provided with several centrifugal turbines (a) arranged along a stirring shaft driven by a motor (M).
- the reactor is also equipped with counter-blades (c) and a heat exchanger (R).
- Injection means (1, 2) of gaseous reagents are provided at the bottom of the reactor and an outlet (3) located at the top of the reactor is used to evacuate the gaseous reagents.
- any type of centrifugal turbine capable of sucking at the level of the central axis of the reactor a mixture of liquid, gas bubbles and solid in suspension, and of projecting this mixture radially along a horizontal plane in order to ensuring a circulation of liquid mixture, gas bubbles and solid according to FIG. 1, may be suitable.
- Flanged radial turbines with one or two central openings are preferred. Flanged turbines similar to those used for centrifugal water pumps with the pumping port pointing downwards are particularly suitable.
- the turbines can be equipped with several blades arranged radially or inclined or in spirals.
- the number of blades is preferably between 3 and 24.
- the number of turbines depends on the ratio of the height of the reactor to the diameter of the reactor and is generally between 2 and 20, preferably between 3 and 8.
- the distance between two turbines is preferably between 0.5 and 1.5 times the outside diameter of the turbine; this is preferably between 0.2 and 0.5 times the diameter of the reactor.
- the thickness of the turbines is preferably between 0.07 and
- thickness is meant the distance between the two flanges of the turbine.
- the device according to the invention can also include a filter installed inside or outside the reactor.
- the lower part of the reactor In operating mode, the lower part of the reactor is occupied by a liquid phase comprising solid catalysts in suspension and a multitude of small bubbles of gaseous reactants, while the upper part is occupied by a continuous gas phase.
- the volume occupied by the continuous gas phase represents between 10 to 30% of the total volume of the reactor and preferably 20 to 25%.
- the turbines are arranged along the stirring shaft so that they are immersed, and preferably completely submerged, in the liquid phase when the stirring is stopped.
- the speed of rotation of the turbine is chosen so as to obtain both the maximum possible gas bubbles per unit volume of liquid phase and a minimum diameter of bubbles.
- the reactor is equipped with counter-blades, preferably made up of several vertical rectangular plates, arranged around the turbines.
- the counter-blades are generally located between the cylindrical wall of the reactor and the turbines.
- the height of these metal plates is generally close to that of the cylindrical part of the reactor.
- the width is generally between 0.05 and 0.2 times the diameter of the reactor.
- the number of counter-blades chosen is determined according to their width and is generally between 3 and 24 and preferably between 4 and 8.
- the counter-blades (c) are preferably placed vertically at a distance between 1 and 10 mm from the wall (p) of the reactor and oriented in the axis of the rays coming from the center of the reactor, as indicated in FIG. 2 which is a cross section of the reactor equipped with a particular turbine with (O) representing the turbine suction port, (f) the turbine flange and (u) the turbine blade.
- the counter-blades can be replaced, in whole or in part, by a heat exchanger.
- the exchanger is preferably constituted by a bundle of vertical cylindrical tubes of a height close to or equal to that of the cylindrical part of the reactor. These tubes (t) are generally arranged vertically around the turbines according to FIG. 2.
- the number and diameter of these tubes are determined in order to keep the temperature of the liquid phase within the desired limits.
- the number of tubes is often between 8 and 64.
- the device according to the invention can be used for carrying out a reaction at atmospheric pressure, it is most often preferred to operate under pressure. High pressures of the order of 10 to 80 bar are advantageously chosen to accelerate the reaction speed.
- the reactor, the stirring means and the exchangers can be made of any standard material from the chemical industry, such as, for example, stainless steel (304 L or 31 6 L).
- a protective polymer coating like PVDF like PVDF
- PTFE polytetrafluoroethylene
- PFA copolymer of C 2 F 4 and perfluorinated vinyl ether
- FEP copolymer of C 2 F 4 and C 3 F 6
- the coating can also be limited to certain elements subject to abrasion, such as for example turbines.
- the device is particularly suitable for the direct manufacture of hydrogen peroxide with hydrogen and oxygen injected in the form of small bubbles, with a diameter of less than 3 mm and preferably between 0.5 and 2 mm, in the aqueous liquid phase with, preferably, molar flow rates such that the molar flow ratio of hydrogen to that of oxygen is greater than 0.041 6, while the hydrogen content in the continuous gas phase is kept below the limit Flammable.
- the catalysts used in general are those described in US Pat. No. 4,724,458. They are solid catalysts based on palladium and / or platinum, optionally supported on silica, alumina, carbon or silicoaluminates.
- the aqueous phase made acidic by the addition of a mineral acid can comprise stabilizers of hydrogen peroxide and decomposition inhibitors such as for example halides. Bromide is particularly preferred and it is advantageously used in combination with bromine in the free state (Br 2 ).
- a second object of the invention is the process comprising a reaction step involving several gaseous components in the presence of a solid suspended in a liquid phase.
- This process consists in introducing the gaseous components (2 or more) at the bottom of the reactor either separately or in the form of a mixture.
- the introduction in the form of a mixture is preferred when the composition of the gas mixture is compatible with the requirements of safety.
- the supply of reagents can be done by a conduit formed in the stirring shaft and then, by a series of small holes drilled in the center of the turbine located at the bottom of the reactor so as to produce a large number of small bubbles in the liquid stream ejected by the turbine.
- the gaseous reagents are introduced separately into the reactor either by injection through separate nozzles situated in front of the suction orifice of the lowest turbine, either by separate sintered tubes located immediately below the lowest turbine. It is possible to operate both continuously and semi-continuously with the device of the present invention.
- the gaseous reactants are introduced continuously for a determined time into the lower part of the reactor, occupied by a liquid phase comprising the catalytic solid in suspension.
- the excess of gaseous reactants arriving in the continuous gas phase of the reactor is generally discharged continuously so as to keep the pressure prevailing inside the reactor constant. At the end of the determined time, the reactor is discharged to recover the reaction products.
- the filter or filters may be of the sintered metal or ceramic filter candle type, preferably placed vertically in the reactor next to the vertical cooling tubes or counter blades.
- the filters can also be placed outside the reactor and in this case, preferably consist of a porous hollow tube, of metal or ceramic, inside which circulates in closed circuit the liquid phase of the reactor comprising the catalyst in suspension.
- a device comprising a filter outside the reactor is illustrated in Figure No. 3.
- the hollow tube (g) is arranged vertically and is fed at its base by the liquid phase taken from the bottom of the reactor, the liquid phase collected in the top of the tube is returned to the top of the reactor.
- This continuous circulation can be done under the action of a pump or under the action of local overpressures created by the agitating turbines of the reactor.
- the clear liquid phase freed from the catalyst is collected in a double envelope (h) placed around the porous hollow tube then, evacuated by a regulating valve (6) so as to keep the level of liquid phase in the reactor constant .
- Reaction solution is pumped continuously into the reactor at a determined rate to maintain the concentration of reaction product soluble in the liquid phase, at a chosen value.
- Part of the reaction solution can advantageously be injected sequentially into the jacket (h) through line 7 to unclog the filter.
- the reaction solution can also be sprayed under high pressure to continuously clean the continuous gas phase of the reactor.
- the gaseous reagents are continuously introduced into the bottom (b) of the reactor via routes 1 and 2 and those which are unreacted can be recycled via route 4.
- a selected flow rate d Hydrogen is injected via (1) into the liquid phase and below the lower turbine (b).
- a selected flow of oxygen containing a small proportion of hydrogen is taken (4) from the continuous gas phase of the reactor and injected into the liquid phase via (2) and below the lower turbine (b).
- a new oxygen flow (5) is injected into the continuous gas phase of the reactor to compensate for the oxygen consumed and also to keep the continuous gas phase outside the flammability limits.
- a pressure regulator (spillway) allows the excess gaseous reagents (3) to be removed from the continuous gas phase of the reactor, as well as inert gases such as nitrogen which are possibly present in the fresh oxygen.
- the device according to the invention has the advantage, in the event of accidental stopping of the agitation, to allow all the bubbles of the gaseous reactants to rise and reach the continuous gaseous phase directly under the sole action of the forces of gravity.
- the reactor with a capacity of 1,500 cm 3 consists of a cylindrical tank 200 mm high and 98 mm in diameter. The bottom and the cover are flat. A removable 1.5 mm thick PTFE sleeve is placed in the reactor bowl
- the agitation is ensured by a vertical axis in stainless steel 1 80 mm long and 8 mm in diameter driven by a magnetic coupling placed on the cover of the reactor.
- One, two or three flanged turbines with an outside diameter of 45 mm, a thickness of 9 mm (between the two flanges) fitted with a suction port of 1 2.7 mm in diameter, facing downwards, and 8 flat radial blades 9 mm wide, 1.5 mm long and 1.5 mm thick, can be fixed to the stirring shaft at different heights chosen so as to divide the liquid phase into substantially equal volumes .
- the lower turbine is placed 32 mm from the bottom, the second turbine 78 mm from the bottom and the third turbine 125 mm from the bottom.
- Cooling or heating is provided by eight vertical tubes of 6.35 mm in diameter and 1 50 mm in length arranged in a crown 35 mm from the axis of the tank.
- This stream is traversed by a stream of water at constant temperature.
- the injection of hydrogen and oxygen into the liquid phase is done by means of two separate 1.58 mm diameter stainless steel pipes leading the gases to the center of the lower turbine.
- the injection of gaseous reactants into the aqueous medium as well as that of oxygen into the continuous gas phase are regulated using mass flowmeters. Certain tests are carried out by replacing the oxygen with an oxygen-nitrogen mixture in different proportions.
- the pressure inside the reactor is kept constant thanks to an overflow valve.
- the hydrogen, oxygen and optionally nitrogen constituting the gas flow leaving the reactor are dosed online by gas phase chromatography.
- the catalyst used contains 0.7% by weight of metallic palladium and 0.03% by weight of platinum supported on a microporous silica.
- An aqueous solution is prepared by adding 1 2 g of H 3 PO 4 , 58 mg of NaBr and 5 mg of Br 2 in 1000 cm 3 of demineralized water.
- the selected volume of aqueous reaction medium is introduced into the autoclave and then the determined quantity of catalyst is added.
- the autoclave is pressurized by injecting a selected flow of oxygen into the continuous gas phase.
- the pressure remains constant thanks to the pressure regulator.
- the liquid medium is brought to the chosen temperature by circulation of water thermostatically controlled in the bundle of cooling tubes.
- Stirring is set at 1,900 rpm and the selected flow rates of oxygen and hydrogen are injected into the center of the lower turbine.
- the flow rate and the hydrogen content of the gas mixture leaving the pressure regulator are measured.
- the aqueous hydrogen peroxide solution recovered is then weighed, then separated from the catalyst by filtration on a Millipore filter.
- the resulting solution is then dosed by iodometry thus making it possible to determine the concentration of hydrogen peroxide.
- the selectivity of the synthesis is defined as being the percentage of the number of moles of hydrogen peroxide formed on the number of moles of hydrogen consumed.
- the conversion rate is defined as the percentage of the volume of hydrogen consumed over the volume of hydrogen introduced.
- Examples 1, 2, 3 and 4 show that for identical temperature, pressure and H 2 / O 2 conditions , increasing the number of radial turbines makes it possible to increase the conversion rate with the same efficiency as by the combination of several cascade reactors.
- Examples 7, 8 and 9 show that, for a reactor and identical reaction conditions, the conversion rate and the content of
- Examples 5 and 6 show that it is possible to obtain, with the reactor according to the invention, a conversion rate of 80% with only
- Examples 1 0 and 1 1 show that the reactor according to the invention makes it possible to obtain high conversion rates and H 2 O 2 concentrations when using an oxygen-nitrogen mixture (10% to 20%) instead pure oxygen.
- Examples 14 and 1 5 also show with another H 2 / O 2 ratio that the passage from 2 turbines to 3 turbines makes it possible to increase the hydrogen conversion rate and to decrease the H 2 concentration in the continuous gas phase of the reactor.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
Description
Claims
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001510577A JP2003504193A (ja) | 1999-07-16 | 2000-05-25 | 多段反応器、その使用及び過酸化水素の製造方法 |
EP00931346A EP1204471A1 (fr) | 1999-07-16 | 2000-05-25 | Reacteur multietage, ses applications et procede de fabrication du peroxyde d'hydrogene |
PL00352482A PL352482A1 (en) | 1999-07-16 | 2000-05-25 | Multiple-stage reactor, application thereof as well as method of obtaining hydrogen peroxide |
BR0012261-0A BR0012261A (pt) | 1999-07-16 | 2000-05-25 | Dispositivo e processo para a manufatura de peróxido de hidrogênio a partir de oxigênio e de hidrogênio, com um catalisador suspenso em fase aquosa |
UA2002010368A UA74340C2 (uk) | 1999-07-16 | 2000-05-25 | Пристрій для використання у реагуванні газових компонентів та спосіб одержання водного розчину пероксиду водню |
AU49311/00A AU759296B2 (en) | 1999-07-16 | 2000-05-25 | Multistage reactor, uses and method for making hydrogen peroxide |
CA002377127A CA2377127C (fr) | 1999-07-16 | 2000-05-25 | Reacteur multietage, ses applications et procede de fabrication du peroxyde d'hydrogene |
EA200200171A EA003039B1 (ru) | 1999-07-16 | 2000-05-25 | Устройство и способ получения пероксида водорода |
NZ515748A NZ515748A (en) | 1999-07-16 | 2000-05-25 | Multistage reactor, uses and method for making hydrogen peroxide |
NO20016239A NO325226B1 (no) | 1999-07-16 | 2001-12-19 | Multinivareaktor og fremgangsmate for fremstilling av hydrogenperoksyd |
US11/403,655 US20060198771A1 (en) | 1999-07-16 | 2006-04-13 | Multilevel reactor, its uses, and process for manufacturing hydrogen peroxide |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9909260A FR2796311B1 (fr) | 1999-07-16 | 1999-07-16 | Reacteur multietage, ses applications et procede de fabrication du peroxyde d'hydrogene |
FR99/09260 | 1999-07-16 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US11/403,655 Division US20060198771A1 (en) | 1999-07-16 | 2006-04-13 | Multilevel reactor, its uses, and process for manufacturing hydrogen peroxide |
Publications (1)
Publication Number | Publication Date |
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WO2001005498A1 true WO2001005498A1 (fr) | 2001-01-25 |
Family
ID=9548191
Family Applications (1)
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PCT/FR2000/001416 WO2001005498A1 (fr) | 1999-07-16 | 2000-05-25 | Reacteur multietage, ses applications et procede de fabrication du peroxyde d'hydrogene |
Country Status (16)
Country | Link |
---|---|
US (1) | US20060198771A1 (fr) |
EP (1) | EP1204471A1 (fr) |
JP (1) | JP2003504193A (fr) |
KR (1) | KR100436790B1 (fr) |
CN (3) | CN1170627C (fr) |
AU (1) | AU759296B2 (fr) |
BR (1) | BR0012261A (fr) |
CA (1) | CA2377127C (fr) |
EA (1) | EA003039B1 (fr) |
FR (1) | FR2796311B1 (fr) |
NO (1) | NO325226B1 (fr) |
NZ (1) | NZ515748A (fr) |
PL (1) | PL352482A1 (fr) |
TR (1) | TR200200074T2 (fr) |
UA (1) | UA74340C2 (fr) |
WO (1) | WO2001005498A1 (fr) |
Cited By (7)
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EP1443020A1 (fr) | 2003-02-03 | 2004-08-04 | Repsol Quimica S.A. | Procédé integré pour l'oxydation sélective de composés organiques |
US6808481B1 (en) | 1996-10-15 | 2004-10-26 | Erth Technologies, Inc. | Concentric tubular centrifuge |
US6966874B2 (en) | 1997-10-14 | 2005-11-22 | Erth Technologies, Inc. | Concentric tubular centrifuge |
US7179440B2 (en) | 2002-03-14 | 2007-02-20 | Repsol Quimica, S.A. | Process to obtain hydrogen peroxide |
US7241256B2 (en) | 2003-08-30 | 2007-07-10 | Erth Technologies, Inc. | Centrifuge |
WO2013010835A1 (fr) | 2011-07-15 | 2013-01-24 | Solvay Sa | Procédé pour obtenir du peroxyde d'hydrogène, et supports de catalyseur pour ledit procédé |
EP3511295A1 (fr) | 2018-01-15 | 2019-07-17 | Univerza V Ljubljani | Procédé de préparation de péroxyde d'hydrogène étiqueté isotopiquement |
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BRPI1011148C8 (pt) * | 2009-06-05 | 2018-12-18 | Solvay | processo para separar líquido a partir de uma mistura multifásica contida em um vaso, uso do processo, e, processo para a preparação de peróxido de hidrogênio. |
JP2012532182A (ja) | 2009-07-06 | 2012-12-13 | ソルヴェイ(ソシエテ アノニム) | 特有の条件下でのアルケノンのハロゲン化前駆体の製造方法 |
US8957254B2 (en) | 2009-07-06 | 2015-02-17 | Solvay Sa | Process for chemical synthesis from an alkenone made from a halogenated precursor |
US20120020847A1 (en) * | 2010-07-20 | 2012-01-26 | Lurgi, Inc. | Retention Of Solid Powder Catalyst By In-Situ Cross Flow Filtration In Continuous Stirred Reactors |
CN102358760B (zh) * | 2011-07-22 | 2012-12-19 | 浙江大学 | 一种搅拌釜反应器 |
EP2607343A1 (fr) | 2011-12-22 | 2013-06-26 | Solvay Sa | Procédé pour la fabrication de précurseurs halogénés d'alcénones et d'alcénones |
CN105960277A (zh) * | 2014-02-10 | 2016-09-21 | 霍尼韦尔国际公司 | 用于液相氟化的反应器设计 |
CN109310998A (zh) * | 2016-07-19 | 2019-02-05 | 三菱瓦斯化学株式会社 | 过氧化氢制造用贵金属催化剂和过氧化氢的制造方法 |
CN111282531A (zh) * | 2018-12-06 | 2020-06-16 | 张存续 | 微波处理装置 |
CN113828206B (zh) * | 2021-07-13 | 2024-03-22 | 重庆大学 | 一种提高流体混合效果的喷气式射流搅拌桨 |
CN115739202B (zh) * | 2022-11-22 | 2024-02-23 | 太仓斯迪克新材料科技有限公司 | 催化剂浸渍设备 |
CN118122247B (zh) * | 2024-03-07 | 2024-08-23 | 科立鑫(珠海)新能源有限公司 | 一种锂电池回收提取设备及使用方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2334622A1 (fr) * | 1975-12-10 | 1977-07-08 | Tokuyama Soda Kk | Procede de preparation du peroxyde d'hydrogene |
US4438074A (en) * | 1981-07-21 | 1984-03-20 | Phillips Petroleum Company | Continuous polymerization reactor |
EP0475062A1 (fr) * | 1990-08-17 | 1992-03-18 | A. Ahlstrom Corporation | Appareil et procédé de nettoyage à pulsation pour éliminer des particules d' un gaz à haute température |
EP0523842A1 (fr) * | 1991-06-21 | 1993-01-20 | Konica Corporation | Appareil de production de grains cristallins de sel peu aquasoluble |
EP0622117A1 (fr) * | 1993-04-26 | 1994-11-02 | Shin-Etsu Chemical Co., Ltd. | Dispositif de polymérisation |
EP0633060A1 (fr) * | 1993-07-08 | 1995-01-11 | Biazzi Sa | Appareillage de réaction gaz-liquide |
EP0702033A1 (fr) * | 1994-09-14 | 1996-03-20 | Shin-Etsu Chemical Co., Ltd. | Procédé de préparation d'un polymère de type chlorure de vinyle |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54109939A (en) * | 1978-02-15 | 1979-08-29 | Mitsui Petrochem Ind Ltd | Oxidation reactor for preparing aromatic carboxylic acid |
US4681751A (en) * | 1983-06-22 | 1987-07-21 | E. I. Du Pont De Nemours And Company | Catalytic process for making H2 O2 from hydrogen and oxygen |
US4772458A (en) * | 1986-11-19 | 1988-09-20 | E. I. Du Pont De Nemours And Company | Catalytic process for making hydrogen peroxide from hydrogen and oxygen employing a bromide promoter |
US4935539A (en) * | 1988-03-17 | 1990-06-19 | Amoco Corporation | Method for increasing yield and product quality while reducing power costs in oxidation of an aromatic alkyl hydrocarbon to an aromatic carboxylic acid |
US4889705A (en) * | 1988-05-13 | 1989-12-26 | E. I. Du Pont De Nemours And Company | Hydrogen peroxide method using optimized H+ and BR- concentrations |
US5135731A (en) * | 1991-05-15 | 1992-08-04 | E. I. Du Pont De Nemours And Company | Method for catalytic production of hydrogen peroxide |
FR2774674B1 (fr) * | 1998-02-10 | 2000-03-24 | Atochem Elf Sa | Procede de preparation d'une solution aqueuse de peroxyde d'hydrogene directement a partir d'hydrogene et d'oxygene et dispositif permettant sa mise en oeuvre |
-
1999
- 1999-07-16 FR FR9909260A patent/FR2796311B1/fr not_active Expired - Fee Related
-
2000
- 2000-05-25 TR TR2002/00074T patent/TR200200074T2/xx unknown
- 2000-05-25 BR BR0012261-0A patent/BR0012261A/pt not_active Application Discontinuation
- 2000-05-25 CA CA002377127A patent/CA2377127C/fr not_active Expired - Fee Related
- 2000-05-25 EP EP00931346A patent/EP1204471A1/fr not_active Withdrawn
- 2000-05-25 WO PCT/FR2000/001416 patent/WO2001005498A1/fr active IP Right Grant
- 2000-05-25 AU AU49311/00A patent/AU759296B2/en not_active Ceased
- 2000-05-25 KR KR10-2002-7000080A patent/KR100436790B1/ko not_active IP Right Cessation
- 2000-05-25 JP JP2001510577A patent/JP2003504193A/ja active Pending
- 2000-05-25 EA EA200200171A patent/EA003039B1/ru not_active IP Right Cessation
- 2000-05-25 CN CNB00810400XA patent/CN1170627C/zh not_active Expired - Fee Related
- 2000-05-25 PL PL00352482A patent/PL352482A1/xx not_active Application Discontinuation
- 2000-05-25 NZ NZ515748A patent/NZ515748A/en unknown
- 2000-05-25 UA UA2002010368A patent/UA74340C2/uk unknown
- 2000-06-07 CN CNB2005100739688A patent/CN100490969C/zh not_active Expired - Fee Related
- 2000-06-07 CN CNB2006100943646A patent/CN100460316C/zh not_active Expired - Fee Related
-
2001
- 2001-12-19 NO NO20016239A patent/NO325226B1/no unknown
-
2006
- 2006-04-13 US US11/403,655 patent/US20060198771A1/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2334622A1 (fr) * | 1975-12-10 | 1977-07-08 | Tokuyama Soda Kk | Procede de preparation du peroxyde d'hydrogene |
US4438074A (en) * | 1981-07-21 | 1984-03-20 | Phillips Petroleum Company | Continuous polymerization reactor |
EP0475062A1 (fr) * | 1990-08-17 | 1992-03-18 | A. Ahlstrom Corporation | Appareil et procédé de nettoyage à pulsation pour éliminer des particules d' un gaz à haute température |
EP0523842A1 (fr) * | 1991-06-21 | 1993-01-20 | Konica Corporation | Appareil de production de grains cristallins de sel peu aquasoluble |
EP0622117A1 (fr) * | 1993-04-26 | 1994-11-02 | Shin-Etsu Chemical Co., Ltd. | Dispositif de polymérisation |
EP0633060A1 (fr) * | 1993-07-08 | 1995-01-11 | Biazzi Sa | Appareillage de réaction gaz-liquide |
EP0702033A1 (fr) * | 1994-09-14 | 1996-03-20 | Shin-Etsu Chemical Co., Ltd. | Procédé de préparation d'un polymère de type chlorure de vinyle |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6808481B1 (en) | 1996-10-15 | 2004-10-26 | Erth Technologies, Inc. | Concentric tubular centrifuge |
US6966874B2 (en) | 1997-10-14 | 2005-11-22 | Erth Technologies, Inc. | Concentric tubular centrifuge |
US7189196B2 (en) | 1997-10-14 | 2007-03-13 | Erth Technologies, Inc. | Method of separating materials with a concentric tubular centrifuge |
US7179440B2 (en) | 2002-03-14 | 2007-02-20 | Repsol Quimica, S.A. | Process to obtain hydrogen peroxide |
EP1443020A1 (fr) | 2003-02-03 | 2004-08-04 | Repsol Quimica S.A. | Procédé integré pour l'oxydation sélective de composés organiques |
US6822103B2 (en) | 2003-02-03 | 2004-11-23 | Repsol Quimica, S.A. | Integrated process for selective oxidation of organic compounds |
US7241256B2 (en) | 2003-08-30 | 2007-07-10 | Erth Technologies, Inc. | Centrifuge |
WO2013010835A1 (fr) | 2011-07-15 | 2013-01-24 | Solvay Sa | Procédé pour obtenir du peroxyde d'hydrogène, et supports de catalyseur pour ledit procédé |
US9610573B2 (en) | 2011-07-15 | 2017-04-04 | Solvay Sa | Process to obtain hydrogen peroxide, and catalyst supports for the same process |
EP3511295A1 (fr) | 2018-01-15 | 2019-07-17 | Univerza V Ljubljani | Procédé de préparation de péroxyde d'hydrogène étiqueté isotopiquement |
Also Published As
Publication number | Publication date |
---|---|
FR2796311A1 (fr) | 2001-01-19 |
EA003039B1 (ru) | 2002-12-26 |
JP2003504193A (ja) | 2003-02-04 |
NO325226B1 (no) | 2008-02-25 |
NO20016239D0 (no) | 2001-12-19 |
NZ515748A (en) | 2003-05-30 |
AU4931100A (en) | 2001-02-05 |
AU759296B2 (en) | 2003-04-10 |
KR20020023411A (ko) | 2002-03-28 |
BR0012261A (pt) | 2002-03-12 |
CA2377127A1 (fr) | 2001-01-25 |
NO20016239L (no) | 2001-12-19 |
UA74340C2 (uk) | 2005-12-15 |
CA2377127C (fr) | 2006-07-25 |
CN100490969C (zh) | 2009-05-27 |
CN1361717A (zh) | 2002-07-31 |
EP1204471A1 (fr) | 2002-05-15 |
TR200200074T2 (tr) | 2002-06-21 |
FR2796311B1 (fr) | 2001-09-14 |
US20060198771A1 (en) | 2006-09-07 |
CN100460316C (zh) | 2009-02-11 |
KR100436790B1 (ko) | 2004-06-24 |
PL352482A1 (en) | 2003-08-25 |
CN1739851A (zh) | 2006-03-01 |
CN1880215A (zh) | 2006-12-20 |
EA200200171A1 (ru) | 2002-06-27 |
CN1170627C (zh) | 2004-10-13 |
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