JP5483114B2 - pH調整をともなう多成分系モリブデン酸ビスマス触媒の製造方法及びそれを使用した1,3−ブタジエンの製造方法。 - Google Patents
pH調整をともなう多成分系モリブデン酸ビスマス触媒の製造方法及びそれを使用した1,3−ブタジエンの製造方法。 Download PDFInfo
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- JP5483114B2 JP5483114B2 JP2010510196A JP2010510196A JP5483114B2 JP 5483114 B2 JP5483114 B2 JP 5483114B2 JP 2010510196 A JP2010510196 A JP 2010510196A JP 2010510196 A JP2010510196 A JP 2010510196A JP 5483114 B2 JP5483114 B2 JP 5483114B2
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- butene
- butadiene
- catalyst
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- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 title claims description 106
- 239000003054 catalyst Substances 0.000 title claims description 95
- DKUYEPUUXLQPPX-UHFFFAOYSA-N dibismuth;molybdenum;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Mo].[Mo].[Bi+3].[Bi+3] DKUYEPUUXLQPPX-UHFFFAOYSA-N 0.000 title claims description 57
- 238000004519 manufacturing process Methods 0.000 title claims description 38
- 238000010979 pH adjustment Methods 0.000 title description 2
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 claims description 74
- 239000000243 solution Substances 0.000 claims description 65
- 238000000975 co-precipitation Methods 0.000 claims description 53
- 239000002243 precursor Substances 0.000 claims description 37
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 31
- 238000005839 oxidative dehydrogenation reaction Methods 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 25
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 24
- 229910052797 bismuth Inorganic materials 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 229910052759 nickel Inorganic materials 0.000 claims description 15
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 13
- 229910052750 molybdenum Inorganic materials 0.000 claims description 13
- 239000011733 molybdenum Substances 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 8
- 239000012692 Fe precursor Substances 0.000 claims description 7
- 239000012670 alkaline solution Substances 0.000 claims description 6
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 5
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 5
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 3
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical group [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 claims description 2
- 239000011609 ammonium molybdate Substances 0.000 claims description 2
- 229940010552 ammonium molybdate Drugs 0.000 claims description 2
- 235000018660 ammonium molybdate Nutrition 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- RXPAJWPEYBDXOG-UHFFFAOYSA-N hydron;methyl 4-methoxypyridine-2-carboxylate;chloride Chemical group Cl.COC(=O)C1=CC(OC)=CC=N1 RXPAJWPEYBDXOG-UHFFFAOYSA-N 0.000 claims description 2
- MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical group [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 claims description 2
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 claims description 2
- 229910002059 quaternary alloy Inorganic materials 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 52
- 229910052751 metal Inorganic materials 0.000 description 31
- 239000002184 metal Substances 0.000 description 31
- 239000000376 reactant Substances 0.000 description 28
- 238000006243 chemical reaction Methods 0.000 description 26
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 25
- 230000000694 effects Effects 0.000 description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- 230000003197 catalytic effect Effects 0.000 description 13
- 229910052742 iron Inorganic materials 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- IAQRGUVFOMOMEM-UHFFFAOYSA-N but-2-ene Chemical compound CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 238000000926 separation method Methods 0.000 description 8
- 239000012153 distilled water Substances 0.000 description 7
- 150000001768 cations Chemical class 0.000 description 6
- 238000005336 cracking Methods 0.000 description 6
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 4
- 239000003929 acidic solution Substances 0.000 description 4
- FBXVOTBTGXARNA-UHFFFAOYSA-N bismuth;trinitrate;pentahydrate Chemical compound O.O.O.O.O.[Bi+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FBXVOTBTGXARNA-UHFFFAOYSA-N 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
- XNMQEEKYCVKGBD-UHFFFAOYSA-N dimethylacetylene Natural products CC#CC XNMQEEKYCVKGBD-UHFFFAOYSA-N 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 230000035484 reaction time Effects 0.000 description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- IAQRGUVFOMOMEM-ARJAWSKDSA-N cis-but-2-ene Chemical compound C\C=C/C IAQRGUVFOMOMEM-ARJAWSKDSA-N 0.000 description 3
- 230000001747 exhibiting effect Effects 0.000 description 3
- VLAPMBHFAWRUQP-UHFFFAOYSA-L molybdic acid Chemical compound O[Mo](O)(=O)=O VLAPMBHFAWRUQP-UHFFFAOYSA-L 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- IAQRGUVFOMOMEM-ONEGZZNKSA-N trans-but-2-ene Chemical compound C\C=C\C IAQRGUVFOMOMEM-ONEGZZNKSA-N 0.000 description 3
- 229910003208 (NH4)6Mo7O24·4H2O Inorganic materials 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 239000012378 ammonium molybdate tetrahydrate Substances 0.000 description 2
- FIXLYHHVMHXSCP-UHFFFAOYSA-H azane;dihydroxy(dioxo)molybdenum;trioxomolybdenum;tetrahydrate Chemical compound N.N.N.N.N.N.O.O.O.O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O[Mo](O)(=O)=O.O[Mo](O)(=O)=O.O[Mo](O)(=O)=O FIXLYHHVMHXSCP-UHFFFAOYSA-H 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000006356 dehydrogenation reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007210 heterogeneous catalysis Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- QZRHHEURPZONJU-UHFFFAOYSA-N iron(2+) dinitrate nonahydrate Chemical compound O.O.O.O.O.O.O.O.O.[Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O QZRHHEURPZONJU-UHFFFAOYSA-N 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- AOPCKOPZYFFEDA-UHFFFAOYSA-N nickel(2+);dinitrate;hexahydrate Chemical compound O.O.O.O.O.O.[Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O AOPCKOPZYFFEDA-UHFFFAOYSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 239000005297 pyrex Substances 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 239000011949 solid catalyst Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 102100022443 CXADR-like membrane protein Human genes 0.000 description 1
- PMPVIKIVABFJJI-UHFFFAOYSA-N Cyclobutane Chemical compound C1CCC1 PMPVIKIVABFJJI-UHFFFAOYSA-N 0.000 description 1
- 229910000608 Fe(NO3)3.9H2O Inorganic materials 0.000 description 1
- 229910002554 Fe(NO3)3·9H2O Inorganic materials 0.000 description 1
- 101000901723 Homo sapiens CXADR-like membrane protein Proteins 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910000416 bismuth oxide Inorganic materials 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
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- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
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- VNXBKJFUJUWOCW-UHFFFAOYSA-N methylcyclopropane Chemical compound CC1CC1 VNXBKJFUJUWOCW-UHFFFAOYSA-N 0.000 description 1
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- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 description 1
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 239000012974 tin catalyst Substances 0.000 description 1
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Description
ジエンを製造することの効果的な代替案ではあるが、前記反応は、例えば反応物として酸素を使用することにより、完全な酸化を含む、多くの副反応の原因となるはずである。それ故、最大限にこの様な副反応を阻害し、及び1,3−ブタジエンにとって高選択度を有する触媒の開発が最重要である。従来知られている、n−ブテンの酸化的脱水素化反応において使用される触媒としては、フェライト係触媒[RJ. Rennard, W.L. Kehl, J. Catal., vol. 21, pp. 282 (1971)/W.R. Cares, J.W. Hightower, J. Catal., vol. 23, pp. 193 (1971)/M.A. Gibson, J.W. Hightower, J. Catal., vol. 41, pp. 420 (1976)/H.H. Kung, M.C. Kung, Adv. Catal., vol. 33, pp. 159 (1985)/J.A. Toledo, M.A. Valenzuela, H. Armendariz, G. Aguilar-Rios, B. Zapzta, A. Montoya, N. Nava, P. Salas, I. Schifter, Catal. Lett., vol. 30, pp. 279 (1995)]、錫系触媒[Y.M. Bakshi, R.N. Gur'yanova, A.N. Mal'yan, A.I. Gel'bshtein, Petroleum Chemistry U.S.S.R., vol. 7, pp. 177 (1967)]、モリブデン酸ビスマス系触媒[A.C.A.M. Bleijenberg, B.C. Lippens, G.C.A. Schuit, J. Catal., vol. 4, pp. 581 (1965)/Ph.A. Batist, B.C. Lippens, G.C.A. Schuit, J. Catal., vol. 5, pp. 55 (1966)/M.WJ. Wolfs, Ph.A. Batist, J. Catal.,
vol. 32, pp. 25 (1974)/WJ. Linn, A.W. Sleight, J. Catal., vol. 41, pp. 134 (1976)/W. Ueda, K. Asakawa, C-L. Chen, Y. Moro-oka, T. Ikawa, J. Catal., vol. 101, pp. 360 (1986)/Y. Moro-oka, W. Ueda, Adv. Catal., vol. 40, pp. 233 (1994)/R.K. Grasselli, Handbook of Heterogeneous Catalysis, vol. 5, pp. 2302 (1997)]などが含まれる。
及びγ−モリブデン酸ビスマス(Bi2MoO6)を含む3相が触媒として有用であることが知られている[B. Grzybowska, J. Haber, J. Komorek, J. Catal., vol. 25, pp. 25 (1972)/A.P.V. Soares, L.K. Kimitrov, M.C.A. Oliveira, L. Hilaire, M.F. Portela, R.K. Grasselli, Appl. Catal. A, vol. 253, pp. 191 (2003)]。しかしながら、単一相を有する純粋なモリブデン酸ビスマス触媒の存在下において、n−ブテンの酸化的脱水素化反応による1,3−ブタジエンの製造方法は、低収率で1,3−ブタジエンを製造するため、商業化には適していない[Y. Moro-oka, W. Ueda, Adv. Catal., vol. 40, pp. 233 (1994)]。そのための代案として、n−ブテンの酸化的脱水素化反応に対する活性を増加するために、ビスマスとモリブデン酸だけでなく種々の金属成分を含む多成分系ンモリブデン酸ビスマス触媒の製造の試みがなされている[M.W.J. Wolfs, Ph. A. Batist, J. Catal., vol. 32, pp. 25 (1974)/S. Takenaka, A. Iwamoto, US Patent No. 3,764,632 (1973)]。
ム、カリウム及びモリブデンを含む混合酸化物触媒を使用した470℃でn−ブタン及びn−ブテンを含有するC4−混合物の酸化的脱水素化反応を行い、62%の最大収率で1,3−ブタジエンを得[S. Takenaka, H. shimizu, A. Iwamoto, Y. Kuroda, 米国特許第3,998,867号明細書(1976)]、及びニッケル、コバルト、鉄、ビスマス、リン、カリウム、及びモリブデンを含む混合酸化物触媒を使用して320℃で1−ブテンの酸化的脱水素化反応を行い、96%の最大収率で1,3−ブタジエンを得ている[S. Takenaka, A. Iwamoto、米国特許第3,764,632号明細書(1973)]。
a)2価カチオン金属成分前駆体、3価カチオン金属成分前駆体、及びビスマス前駆体を含有する第一溶液を調製すること、
b)モリブデン前駆体が溶解した第二溶液を調製すること、
c)第一溶液を第二溶液に加え、共沈を行って共沈溶液を得、そして前記共沈溶液のpHが6乃至8に調節されるように1乃至3moL/L(M)のアルカリ溶液を前記共沈溶液に滴下添加すること、及び
d)調節されたpHを有する前記共沈溶液を1乃至2時間の間攪拌し、それから水を除去し、斯様にして固形成分を得ること、並びに
e)固形成分を20乃至300℃で乾燥し、その後熱処理を400乃至600℃で行うこと、
を含み得る。
a)反応器の固定床に、上記の方法を使用して製造したモリブデン酸ビスマス触媒を充填すること、
b)反応物としてn−ブテン含有C4混合物、空気及び蒸気を、前記反応器の触媒床に連続的に通しながら酸化的脱水素化反応を行うこと、及び
c)1,3−ブタジエンを得ること、
を含み得る。
テン(トランス−2−ブテン及びシス−2−ブテン)、n−ブタン、及び1−ブテンからなるC4混合物である。
分を含有する。前記その他のC4成分としては、例えばイソブタン、シクロブタン、メチルシクロプロパン、及びイソブテンを含有する。
多成分系モリブデン酸ビスマス触媒のための金属前駆体及び溶液の選択
ニッケル前駆体として硝酸ニッケル6水和物(Ni(NO3)2・6H2O)、鉄前駆体
として硝酸鉄9水和物(Fe(NO3)3・9H2O)、ビスマス前駆体として硝酸ビスマ
ス5水和物(Bi(NO3)2・5H2O)、及びモリブデン前駆体としてモリブデン酸ア
ンモニウム4水和物((NH4)6Mo7O24・4H2O)を使用した。硝酸ビスマス5水和物は強酸溶液によく溶解されるのに対し、前記他の金属前駆体は蒸留水によく溶解され、従って、硝酸ビスマス5水和物は硝酸溶液が添加された蒸留水を使用して、別にして溶解した。
具体的には、多成分系モリブデン酸ビスマス触媒の製造のために、硝酸ニッケル6水和物(Ni(NO3)2・6H2O)7.92g及び硝酸鉄9水和物(Fe(NO3)3・9H2O)3.66gを蒸留水(50mL)に溶解して攪拌した。別に、硝酸ビスマス5水和物(Bi(NO3)2・5H2O)1.47gを攪拌しながら硝酸3mL含有蒸留水(15m
L)に溶解した。ビスマスが完全に溶解した後、該ビスマス溶液をニッケル及び鉄の前駆体が溶解した溶液に加え、斯様にニッケル、鉄及びビスマスの前駆体が溶解した酸性溶液を調製した。さらに、モリブデン酸アンモニウム4水和物((NH4)6Mo7O24・4H2O)6.36gを蒸留水(100mL)に溶解して攪拌し、その溶液を単独で調製した。
ニッケル、鉄及びビスマスの前駆体を溶解させた前記酸性溶液をモリブデン酸溶液に滴下添加した。斯様に、pHを正確に調節するために、共沈溶液のpHを3、4、5、6、7、8、及び9に調節するように、3moL/L(M)のアンモニア溶液へ滴下添加しなが
ら、前記酸性溶液及びアンモニア溶液を異なる速度で添加した。
℃で24時間乾燥させた。製造された固体触媒を電気炉に設置し、そして475℃で熱処理し、それによって所定のpHを有する共沈溶液から共沈された多成分系モリブデン酸ビスマス触媒を製造した。製造した触媒は成分分析(ICE−AES)により、それによって所望の金属前駆体の量が誤差範囲内で正確に共沈したとして分析された。結果を下記表1に示す。
多成分系モリブデン酸ビスマス触媒存在下でのC4ラフィネート−3又はC4混合物の酸化的脱水素化反応
製造例1で製造した多成分系モリブデン酸ビスマス触媒を使用して、n−ブテンの酸化的脱水素化反応を行った。反応物として、C4混合物、空気及び蒸気を使用し、そして直線状のパイレックス(登録商標)反応器を反応器として使用した。反応物として供給するC4混合物の組成を下記表2に示す。反応物の割合及びGHSVをC4混合物中のn−ブテンに基づいて設定した。n−ブテンと空気と蒸気の比を1:3.75:15に設定した。蒸気が反応器の注入口に水の形で注入され、具体的には水は200℃で蒸気に直接気化され、他の反応物、即ちC4混合物及び空気と混合され、反応器へ注入されるように反応装置を設計した。C4混合物及び空気の量をマスフローコントローラを使用して調整し、蒸気の量は水を含むシリンジポンプの注入速度を調節することによって調整した。反応温度は475℃に維持した。触媒量はn−ブテンに基づいてGHSVが475h-1になるように設定し、反応を行った。その後、反応生成物ガスクロマトグラフィーを使用して分析した。生成物は、目的とする1,3−ブタジエンに加えて、完全酸化により生じた二酸化炭素、生成物による分解、及びn−ブタンからなる。n−ブテンの転化率、1,3−ブタジエンの選択度及び1,3−ブタジエンの収率は下記式1、2、及び3から計算した。
転化率(%)=(反応したn−ブテンのモル数/供給したn−ブテンのモル数)×100
選択度(%)=(生成した1,3−ブタジエンのモル数/供給したn−ブテンのモル数)×100
収率(%)=(生成した1,3−ブタジエンのモル数/供給したn−ブテンのモル数)×100
共沈用の共沈溶液のpHによる多成分系モリブデン酸ビスマス触媒の反応活性の変化
調製例1における触媒調製及び実施例1における反応活性実験によると、多成分系モリブデン酸ビスマス触媒の反応活性に関する共沈溶液のpHの効果を図1に示した。共沈溶液のpHが増加するにつれて、反応活性は一般的に増加が観察され、pH8で最も高く、その後pH9で低下した活性が観察された。従って、共沈溶液のpHの変化により、多成分系モリブデン酸ビスマス触媒の活性は制御できることがわかる。このことは、調製された触媒が個々のpH値でその異なる相及び割合を有し、斯様に触媒活性は触媒自身の特性の変化に依存して多様になる、と考えられる。
反応時間によるn−ブテンの酸化的脱水素化反応
製造例1で製造され、かつ実施例1において最も高い触媒活性を示した、pH8の共沈溶液を使用して得られた多成分系モリブデン酸ビスマス触媒を使用して触媒の不活化度を評価するために、実施例1のC4混合物の酸化的脱水素反応を行い、そして反応時間による1,3−ブタジエンの収率を観察した。結果を図2に示した。図2に示されるように、反応開始から48時間は、ほぼ触媒の不活化は観察されず、高い活性が維持され続けた。したがって、本発明において製造された触媒はn−ブテンの酸化的脱水素化反応に非常に有効であると理解することができる。
Claims (4)
- n−ブテンから1,3−ブタジエンを製造するための酸化的脱水素反応用の4成分系モリブデン酸ビスマス触媒の製造方法であって、
a)ニッケル前駆体、鉄前駆体、及びビスマス前駆体を含有する第一溶液を調製すること、
b)モリブデン前駆体が溶解した第二溶液を調製すること、
c)第二溶液に第一溶液を添加して共沈すると共に、1乃至3mol/L(M)のアルカリ溶液を滴下して前記共沈溶液のpHを7乃至8に調節すること、
d)調節されたpHを有する前記共沈溶液を1乃至2時間の間攪拌し、それから水を除去し、斯様にして固形成分を得ること、並びに
e)固形成分を20乃至300℃で乾燥し、その後熱処理を400乃至600℃で行うこと、
を含み、
なお、ニッケル前駆体と鉄前駆体とビスマス前駆体とモリブデン前駆体とのモル比が1乃至10:1乃至5:1:5乃至20である、4成分系モリブデン酸ビスマス触媒の製造方法。 - 前記a)における、ニッケル前駆体が硝酸ニッケルであり、前記鉄前駆体が硝酸鉄であり、及び前記ビスマス前駆体が硝酸ビスマスである、請求項1に記載の方法。
- 前記b)における、前記モリブデン前駆体がモリブデン酸アンモニウムである、請求項1に記載の方法。
- 前記アルカリ溶液がアンモニア溶液である、請求項1に記載の方法。
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CN103965001B (zh) * | 2013-01-30 | 2016-12-28 | 中国石油化工股份有限公司 | 丁烯氧化脱氢反应热回收方法 |
KR101596997B1 (ko) * | 2013-03-27 | 2016-02-24 | 주식회사 엘지화학 | 이산화탄소를 산화제로 사용하는 부텐으로부터 부타디엔의 제조공정 |
KR101507686B1 (ko) | 2013-05-06 | 2015-03-31 | 주식회사 엘지화학 | 메조포러스 복합 산화물 촉매, 그 제조방법 및 이를 이용한 1,3부타디엔 합성방법 |
EP3010635A1 (de) * | 2013-06-17 | 2016-04-27 | Basf Se | Verfahren zur oxidativen dehydrierung von n-butenen zu 1,3-butadien |
CN104549338B (zh) * | 2013-10-21 | 2017-01-18 | 上海华谊丙烯酸有限公司 | 一种钼铋系复合氧化物催化剂及其制备方法和用途 |
JP6303248B2 (ja) | 2014-06-10 | 2018-04-04 | エルジー・ケム・リミテッド | 多成分系複合金属酸化物触媒の製造方法 |
JP6574654B2 (ja) * | 2015-09-15 | 2019-09-11 | 旭化成株式会社 | 金属酸化物触媒、その製造方法、及びブタジエンの製造方法 |
CN107973690A (zh) * | 2016-10-21 | 2018-05-01 | 中国石油化工股份有限公司 | 用于丁烯氧化脱氢制丁二烯的催化剂及其方法 |
TW202112444A (zh) * | 2019-07-31 | 2021-04-01 | 法商艾迪索法國股份有限公司 | 基於鉬酸鉍之催化劑 |
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KR100932373B1 (ko) * | 2007-05-30 | 2009-12-16 | 에스케이에너지 주식회사 | pH 변화에 따른 다성분계 비스무스 몰리브데이트 촉매제조방법 및 상기촉매를 이용하여 1,3-부타디엔을 제조하는방법 |
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JP2013189440A (ja) * | 2007-05-30 | 2013-09-26 | Sk Innovation Co Ltd | 多成分系モリブデン酸ビスマス触媒を使用した1,3−ブタジエンの製造方法。 |
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WO2008147055A1 (en) | 2008-12-04 |
US8367885B2 (en) | 2013-02-05 |
CN101678328A (zh) | 2010-03-24 |
KR100932373B1 (ko) | 2009-12-16 |
CN101678328B (zh) | 2012-08-15 |
US20100125161A1 (en) | 2010-05-20 |
JP5614601B2 (ja) | 2014-10-29 |
JP2013189440A (ja) | 2013-09-26 |
KR20080105286A (ko) | 2008-12-04 |
JP2010537798A (ja) | 2010-12-09 |
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