WO2007036496A1 - Verfahren zur herstellung von aminodiglykol (adg) und morpholin - Google Patents
Verfahren zur herstellung von aminodiglykol (adg) und morpholin Download PDFInfo
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- WO2007036496A1 WO2007036496A1 PCT/EP2006/066665 EP2006066665W WO2007036496A1 WO 2007036496 A1 WO2007036496 A1 WO 2007036496A1 EP 2006066665 W EP2006066665 W EP 2006066665W WO 2007036496 A1 WO2007036496 A1 WO 2007036496A1
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- Prior art keywords
- reaction
- catalyst
- morpholine
- adg
- reactor
- Prior art date
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- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 43
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims abstract description 101
- 239000003054 catalyst Substances 0.000 claims abstract description 70
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000006243 chemical reaction Methods 0.000 claims abstract description 33
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000001257 hydrogen Substances 0.000 claims abstract description 20
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000001301 oxygen Substances 0.000 claims abstract description 18
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 18
- 239000010949 copper Substances 0.000 claims abstract description 17
- 150000001875 compounds Chemical class 0.000 claims abstract description 16
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 16
- 229910052802 copper Inorganic materials 0.000 claims abstract description 14
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 11
- 239000010941 cobalt Substances 0.000 claims abstract description 11
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002638 heterogeneous catalyst Substances 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 6
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052723 transition metal Inorganic materials 0.000 claims abstract description 4
- 150000003624 transition metals Chemical class 0.000 claims abstract description 4
- 238000000926 separation method Methods 0.000 claims description 16
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 13
- 238000002360 preparation method Methods 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 9
- 238000004821 distillation Methods 0.000 claims description 7
- -1 1 to 30 wt .-% Chemical compound 0.000 claims description 6
- 150000002431 hydrogen Chemical class 0.000 claims description 6
- 150000002780 morpholines Chemical class 0.000 claims description 6
- 239000011149 active material Substances 0.000 claims description 4
- 229910000069 nitrogen hydride Inorganic materials 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims 2
- 239000012071 phase Substances 0.000 claims 2
- 239000007791 liquid phase Substances 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract description 11
- 239000004411 aluminium Substances 0.000 abstract 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 abstract 1
- 239000008188 pellet Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 14
- 239000000047 product Substances 0.000 description 9
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 5
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000004913 activation Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 3
- 238000005576 amination reaction Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- 239000005977 Ethylene Substances 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- DUFCMRCMPHIFTR-UHFFFAOYSA-N 5-(dimethylsulfamoyl)-2-methylfuran-3-carboxylic acid Chemical compound CN(C)S(=O)(=O)C1=CC(C(O)=O)=C(C)O1 DUFCMRCMPHIFTR-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 208000012927 adermatoglyphia Diseases 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
- 238000005915 ammonolysis reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- JYYOBHFYCIDXHH-UHFFFAOYSA-N carbonic acid;hydrate Chemical compound O.OC(O)=O JYYOBHFYCIDXHH-UHFFFAOYSA-N 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 description 1
- 229910001981 cobalt nitrate Inorganic materials 0.000 description 1
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010574 gas phase reaction Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 150000002927 oxygen compounds Chemical class 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/02—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms containing only hydrogen and carbon atoms in addition to the ring hetero elements
- C07D295/023—Preparation; Separation; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
- C07C213/02—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reactions involving the formation of amino groups from compounds containing hydroxy groups or etherified or esterified hydroxy groups
Definitions
- the present invention relates to a process for the preparation of aminodiglycol (ADG) and morpholine by reaction of diethylene glycol (DEG) of the formula
- Aminodiglycol (ADG) and morpholine find inter alia. Use as solvents, stabilizers, for the synthesis of chelating agents, synthetic resins, pharmaceuticals, inhibitors and surfactants.
- ADG aminodiglycol
- morpholine For the preparation of aminodiglycol (ADG) and morpholine numerous methods are described in the literature.
- EP-A-36331 and US-A-4,647,663 describe a process for the preparation of morpholine and morpholine derivatives by reacting a dialkylene glycol with ammonia in the presence of H2 and a hydrogenation catalyst in a trickle bed reactor.
- Khim. Prom-st. (Moscow) (1 1), 653-5 (1982) (Chem. Abstr. 98: 91383q) describes the preparation of morpholine by gas-phase cycloamination of diethylene glycol with ammonia in the presence of H2 and a Cu, Co or Ni. Cr2 ⁇ 3 catalyst.
- a parallel German patent application with the same filing date (BASF AG) relates to a process for the preparation of ethylene amines by reacting ethylenediamine (EDA) in the presence of specific heterogeneous catalyst molding.
- a parallel German patent application with the same filing date (BASF AG) relates to a process for the preparation of ethylene amines by reacting monoethanolamine (MEOA) with ammonia in the presence of specific heterogeneous catalyst shaped bodies.
- MEOA monoethanolamine
- ADG aminodiglycol
- the method is intended in particular the non-cyclic amine ADG of the formula
- the proportion of ADG to morpholine in the product mix should be increased compared to the prior art, especially at a high DEG conversion, in particular at a DEG conversion of greater than 85%.
- ADG aminodiglycol
- DEG diethylene glycol
- the volume can also be calculated using the following method, where:
- the surface can also be calculated theoretically by the following method, in which one defines an envelope of the molding, the curve radii max. 5 ⁇ m (in order not to take the inner pore surface into the pores by "penetrating" the envelope) and which touches the mold body as intimately as possible (no cut surface with the support) and then creates a vacuum from the inside, so that the film lays as close as possible to the molding.
- the diethylene glycol (DEG) required as starting material can be prepared by known processes, for example by reacting ethylene oxide (EO) with H 2 O or EO with monoethylene glycol.
- EO ethylene oxide
- the reaction according to the invention is generally carried out at an absolute pressure in the range of 1-260 bar, preferably 100-250 bar, in particular at 150-240 bar, especially at 175-225 bar, and generally at elevated temperature, e.g. in the temperature range of 100-300 ° C, in particular 130-240 ° C, preferably at 175-225 ° C.
- the ratio of morpholine: ADG is determined in the process according to the invention in particular by the DEG conversion and the molar ratio NH 3: DEG.
- the catalysts are preferably used in the form of catalysts which either consist only of catalytically active material and optionally a molding assistant (such as graphite or stearic acid), or the catalytically active components on a substantially inactive Su- material.
- a molding assistant such as graphite or stearic acid
- the catalytically active composition can be introduced into the reaction vessel as a powder or as a grit or, after milling, mixing with molding aids, shaping and heat treatment, as a shaped catalyst body - for example as tablets, spheres, rings, extrudates (eg strands, tubes) - in be introduced into the reactor.
- the concentration data (in% by weight) of the components of the catalyst are in each case - unless stated otherwise - on the catalytically active composition of the catalyst prepared before treatment with hydrogen.
- the catalytically active mass of the catalyst is defined as the sum of the masses of the catalytically active constituents and contains, prior to treatment with hydrogen, preferably substantially the catalytically active constituents oxygen-containing compounds of aluminum and / or zirconium, copper, nickel and cobalt.
- the sum of the o.g. catalytically active constituents, calculated as Al 2 O 3, ZrO 2, CuO, NiO and CoO, in the catalytically active composition prior to treatment with hydrogen is for example 70 to 100 wt .-%, preferably 80 to 100 wt .-%, particularly preferably 90 to 100 wt .-%, in particular 95 to 100 wt .-%, most preferably> 99 to 100 wt .-%.
- Preferred heterogeneous catalysts in the process according to the invention contain in their catalytically active composition prior to treatment with hydrogen
- oxygen-containing compounds of nickel calculated as NiO, wherein preferably the molar ratio of nickel to copper greater than 1, in particular greater than 1, 2, very particularly 1, 8 to 8.5, and
- the oxygen-containing compounds of copper, nickel and cobalt, each calculated as CuO, NiO and CoO, of the preferred catalysts are generally generally in amounts of 15 to 80 wt .-%, preferably 35 to 80 wt .-%, particularly preferred 60 to 78 wt .-%, in the catalytically active composition (before treatment with Hydrogen), wherein particularly preferably the molar ratio of nickel to copper is greater than 1.
- catalysts comprising cobalt, nickel and copper and alumina having a metal content of 5 to 80 wt .-%, in particular 10 to 30 wt .-%, based on the total catalyst, wherein the catalysts, calculated on the metal content, contain from 70 to 95% by weight of a mixture of cobalt and nickel and from 5 to 30% by weight of copper, and wherein the weight ratio of cobalt to nickel is 4: 1 to 1: 4, in particular 2: 1 to 1: 2, is, for example, the catalyst used in the examples there with the composition 10 wt .-% CoO, 10 wt .-% NiO and 4 wt .-% CuO to Al 2 O 3 ,
- EP-A-382 049 disclosed or correspondingly preparable catalysts whose catalytically active composition prior to treatment with hydrogen 20 to 85 wt .-%, preferably 70 to 80 wt .-%, ZrO 2 and / or AI 2 O 3 , 1 to 30 wt .-%, preferably 1 to 10 wt .-%, CuO, and in each case 1 to 40 wt .-%, preferably 5 to 20 wt .-%, CoO and NiO contains, for example, those in loc. cit. 76 wt% Zr calculated as ZrO 2 , 4 wt% Cu, calculated as CuO, 10 wt% Co, calculated as CoO, and 10 wt% Ni, on page 6 calculated as NiO,
- EP-A-963 975 and EP-A-1 106 600 both BASF AG, whose catalytically active composition before treatment with hydrogen contains from 22 to 40% by weight ZrO 2 ,
- Particularly preferred catalysts in the process according to the invention contain no chromium (Cr).
- the catalyst is preferably at a temperature in the range of 100 to 500 ° C, especially 150 to 400 ° C, especially 180 to 300 ° C, over a period of at least 25 min., Particularly at least 60 min., A hydrogen - exposed to a living atmosphere or a hydrogen atmosphere.
- the period of activation of the catalyst may be up to 1 h, especially up to 12 h, in particular up to 24 h.
- At least a portion of the oxygen-containing metal compounds present in the catalysts is reduced to the corresponding metals, so that they are present together with the various oxygen compounds in the active form of the catalyst.
- the catalyst used preferably has a bulk density in the range of 0.6 to 1.2 kg / l.
- ADG selectivities are obtained when the catalyst is used in the form of small shaped articles.
- a small shaped body are meant those whose diameter in spherical shape in each case below 3 mm, in particular below 2.5 mm, e.g. in the range of 1 to 2 mm.
- a small shaped body those are also meant whose diameter in strand form (strand length >> strand diameter) or their height in the case of tablet form (tablet diameter >> tablet height) is in each case below 3 mm, in particular below 2.5 mm, e.g. in the range of 1 to 2 mm.
- the catalyst is preferably present as a fixed bed in a reactor.
- the reactor is preferably a tube reactor or tube bundle reactor.
- the reaction of DEG in the reactor preferably takes place in a straight pass.
- the catalyst bed is preferably surrounded by an inert material both at the inlet and at the outlet of the reactor.
- an inert material e.g. Pall rings
- balls of an inert material e.g., ceramic, steatite, aluminum
- an inert material e.g., ceramic, steatite, aluminum
- the reactor can be operated in both bottom and trickle mode.
- a liquid distributor for the reactor feed is preferably used at the inlet of the reactor.
- catalyst activity are preferably 0.01 to 1, 00 wt .-%, especially 0.20 to 0.60 wt .-%, hydrogen (based on the reactor feed DEG + NH3) in the reactor.
- WHSV weight hourly space velocity
- S selectivities
- ADG and morpholine will be in a weight ratio ADG: morpholine greater than 0.20, especially greater than 0.24, especially greater than 0.27, e.g. in the range of 0.28 to 0.36.
- the workup of the product streams obtained in the process according to the invention which contain, in particular, the particularly desired ADG but also morpholine, morpholine derivatives, higher polyalkylamines and unreacted DEG, can be carried out by distillation processes known to the person skilled in the art.
- the distillation columns required for the pure distillation of the individual products, above all the particularly desired ADGs and also morpholines, can be designed by methods familiar to the person skilled in the art (eg number of separation stages, reflux ratio, etc.).
- the separation of the reaction product resulting from the reaction takes place in particular by multi-stage distillation.
- the separation of the reaction effluent resulting from the reaction into two separation sequences is carried out by multistage distillation, wherein in the first separation sequence ammonia and optionally present hydrogen are separated off and in the second separation sequence a separation into unreacted DEG and ADG, morpholine, Morpholine derivatives and higher polyalkylamines takes place.
- an aqueous solution of nickel nitrate, copper nitrate, cobalt nitrate and zirconium acetate was added simultaneously with a 20% aqueous solution of sodium carbonate into a stirring vessel at a temperature of 70 ° C. in a constant flow so that the pH was within a range of 5.5 - 6.0 was maintained.
- the metal salt solution and the sodium carbonate solution was stirred for a further hour at 70 ° C and then the pH was increased by the addition of some sodium carbonate solution to a value of 7.4.
- the suspension obtained was filtered and the filter cake was washed with demineralized water. Thereafter, the filter cake was dried at a temperature of 200 ° C in a drying oven or a spray dryer. The hydroxide carbonate mixture obtained in this way was then tempered at a temperature of 400 ° C over a period of 2 hours.
- the catalyst powder thus obtained had the composition:
- the catalyst powder of A1 was mixed with 2% by weight of graphite and shaped into 5 ⁇ 3 mm tablets. After tabletting, the tablets were post-calcined for 2 h at 350 ° C in a muffle furnace. Before installation in the test reactor, it was reduced and then passivated. For the reduction, the catalyst was heated in a hydrogen / nitrogen stream to temperatures between 100 and 200 ° C. This temperature was maintained until no more water has formed. It was then heated to a final temperature of 280 ° C and held this temperature for 90-120 hours. The catalyst was cooled to room temperature under a nitrogen stream and then passivated with a dilute oxygen stream. During passivation, care was taken that the temperature in the reactor did not rise above 50 ° C at any point.
- the catalyst powder of A1 was mixed with 2% by weight of graphite and shaped into 1.5 ⁇ 2 mm tablets.
- the post-calcination, reduction and passivation was carried out as described in A2.
- Example 1 small shaped article (catalyst B), according to the invention
- ADG 31, 4% by weight of morpholine: 32.1% by weight
- ADG 28.7% by weight of morpholine: 43.7% by weight
- ADG 20.6% by weight of morpholine: 60.2% by weight
- Morpholine 46.9% by weight
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008532747A JP2009510018A (ja) | 2005-09-30 | 2006-09-25 | アミノジグリコール(adg)およびモルホリンの製造法 |
US12/088,718 US20080255351A1 (en) | 2005-09-30 | 2006-09-25 | Method for Preparing Aminodiglycol (Adg) and Morpholine |
EP06793775A EP1937625A1 (de) | 2005-09-30 | 2006-09-25 | Verfahren zur herstellung von aminodiglykol (adg) und morpholin |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005047458A DE102005047458A1 (de) | 2005-09-30 | 2005-09-30 | Verfahren zur Herstellung von Aminodiglykol (ADG) und Morpholin |
DE102005047458.6 | 2005-09-30 | ||
EP06101339 | 2006-02-06 | ||
EP06101339.7 | 2006-02-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007036496A1 true WO2007036496A1 (de) | 2007-04-05 |
Family
ID=37648393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2006/066665 WO2007036496A1 (de) | 2005-09-30 | 2006-09-25 | Verfahren zur herstellung von aminodiglykol (adg) und morpholin |
Country Status (5)
Country | Link |
---|---|
US (1) | US20080255351A1 (de) |
EP (1) | EP1937625A1 (de) |
JP (1) | JP2009510018A (de) |
DE (1) | DE102005047458A1 (de) |
WO (1) | WO2007036496A1 (de) |
Cited By (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008037659A1 (de) * | 2006-09-28 | 2008-04-03 | Basf Se | Verfahren zur herstellung von 2,2'-aminoethoxyethanol in elektro-qualität |
WO2009080506A1 (de) | 2007-12-21 | 2009-07-02 | Basf Se | Verfahren zur herstellung eines amins |
US7615665B2 (en) | 2005-09-30 | 2009-11-10 | Basf Se | Method for producing ethylene amines |
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US20090264652A1 (en) * | 2006-07-14 | 2009-10-22 | Basf Se | Method for producing an amine |
AU2006346394B2 (en) * | 2006-07-20 | 2012-09-06 | Essity Hygiene And Health Aktiebolag | An apparatus and method for forming air-laid absorbent cores |
CN102574774B (zh) | 2009-10-06 | 2014-07-30 | 烷基胺化学制品有限公司 | 用于制备2-(2-氨基乙氧基)乙醇(2aee)和吗啉且2aee:吗啉大于3的方法 |
CN111741950B (zh) | 2018-02-22 | 2024-03-05 | 巴斯夫欧洲公司 | 贫化2-甲氧基乙醇(moe)的方法 |
WO2023135035A1 (en) | 2022-01-14 | 2023-07-20 | Basf Se | Method for the manufacture or conversion of alkanolamines |
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JP2011512241A (ja) * | 2008-01-25 | 2011-04-21 | ビーエーエスエフ ソシエタス・ヨーロピア | 高圧反応を行なうための反応装置、反応を開始する方法、および反応を実施する方法 |
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Also Published As
Publication number | Publication date |
---|---|
US20080255351A1 (en) | 2008-10-16 |
JP2009510018A (ja) | 2009-03-12 |
EP1937625A1 (de) | 2008-07-02 |
DE102005047458A1 (de) | 2007-04-12 |
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