JP6672556B2 - 触媒の再現性に優れたブタジエンの製造方法 - Google Patents
触媒の再現性に優れたブタジエンの製造方法 Download PDFInfo
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- JP6672556B2 JP6672556B2 JP2018559943A JP2018559943A JP6672556B2 JP 6672556 B2 JP6672556 B2 JP 6672556B2 JP 2018559943 A JP2018559943 A JP 2018559943A JP 2018559943 A JP2018559943 A JP 2018559943A JP 6672556 B2 JP6672556 B2 JP 6672556B2
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- Prior art keywords
- reaction
- butene
- catalyst
- supply
- producing butadiene
- Prior art date
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- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 title claims description 104
- 239000003054 catalyst Substances 0.000 title claims description 50
- 238000004519 manufacturing process Methods 0.000 title claims description 43
- 238000006243 chemical reaction Methods 0.000 claims description 86
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 claims description 47
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 claims description 47
- 238000001816 cooling Methods 0.000 claims description 40
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 36
- 239000000376 reactant Substances 0.000 claims description 35
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 22
- 238000005839 oxidative dehydrogenation reaction Methods 0.000 claims description 22
- 239000001301 oxygen Substances 0.000 claims description 22
- 229910052760 oxygen Inorganic materials 0.000 claims description 22
- 230000000694 effects Effects 0.000 claims description 21
- 229910052757 nitrogen Inorganic materials 0.000 claims description 18
- 229910044991 metal oxide Inorganic materials 0.000 claims description 17
- 150000004706 metal oxides Chemical class 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 230000009467 reduction Effects 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 4
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 claims description 4
- 229910001308 Zinc ferrite Inorganic materials 0.000 claims description 3
- WGEATSXPYVGFCC-UHFFFAOYSA-N zinc ferrite Chemical group O=[Zn].O=[Fe]O[Fe]=O WGEATSXPYVGFCC-UHFFFAOYSA-N 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 description 14
- 239000002184 metal Substances 0.000 description 14
- 239000002243 precursor Substances 0.000 description 14
- 150000001768 cations Chemical class 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 9
- 239000007864 aqueous solution Substances 0.000 description 7
- 239000011572 manganese Substances 0.000 description 7
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 6
- 235000011114 ammonium hydroxide Nutrition 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000011777 magnesium Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 230000009849 deactivation Effects 0.000 description 4
- 229910052748 manganese Inorganic materials 0.000 description 4
- 229910000859 α-Fe Inorganic materials 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- IAQRGUVFOMOMEM-ARJAWSKDSA-N cis-but-2-ene Chemical compound C\C=C/C IAQRGUVFOMOMEM-ARJAWSKDSA-N 0.000 description 3
- 238000000975 co-precipitation Methods 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000006356 dehydrogenation reaction Methods 0.000 description 3
- 239000012153 distilled water Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229910052596 spinel Inorganic materials 0.000 description 3
- 239000011029 spinel Substances 0.000 description 3
- 239000010936 titanium 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
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052792 caesium Inorganic materials 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 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
- 229910052802 copper Inorganic materials 0.000 description 2
- XNMQEEKYCVKGBD-UHFFFAOYSA-N dimethylacetylene Natural products CC#CC XNMQEEKYCVKGBD-UHFFFAOYSA-N 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000004817 gas chromatography Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- 229910003145 α-Fe2O3 Inorganic materials 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 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
- -1 cation metals Chemical class 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
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- C07C2/76—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation of hydrocarbons with partial elimination of hydrogen
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- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/42—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with a hydrogen acceptor
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C11/00—Aliphatic unsaturated hydrocarbons
- C07C11/12—Alkadienes
- C07C11/16—Alkadienes with four carbon atoms
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- C07C2523/745—Iron
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Description
[数式1]
[(反応ステップでの流量−第1次冷却ステップでの流量)/(反応ステップでの流量)]×100
転化率(%)=(反応したブテンのモル数/供給されたブテンのモル数)×100
S−BD(%)=(生成された1,3−ブタジエンのモル数/反応した2−ブテンのモル数)×100
収率(%)=(生成された1,3−ブタジエンのモル数/供給されたブテンのモル数)×100
S−COX(%)=(生成されたCOXのモル数/反応した2−ブテンのモル数)×100
活性減少率(%)=(反応終了を1回以上実施した触媒と、反応終了を0回実施した触媒との転化率の差/反応終了を0回実施した触媒の転化率)×100
前記製造例の<ブタジエンの製造>において、下記の表1のような条件下で、反応温度が200℃に冷却されるまで反応物(ブテン、酸素、窒素、及びスチーム)の供給を維持した後、その後、ブテン及びスチームの供給を中断し、70℃以下に反応器を冷却して反応を終了させた後、下記の表1のような反応条件下でブタジエンの製造を再び実施した。前記再実施は、反応終了を実施する前の反応を開始した時と同じ方法で行った。
前記製造例の<ブタジエンの製造>において、ブテンの供給を中断し、酸素、窒素及びスチームの供給を維持しながら70℃以下に冷却させ、反応を終了した後、下記の表1のような反応条件下でブタジエンの製造を再び実施した。前記再実施は、反応終了を実施する前の反応を開始した時と同じ方法で行った。
実施例2において、ブテン以外に酸素も供給を中断した以外は、前記実施例2と同様の方法で反応終了及びブタジエンの製造の再実施を行った。
実施例2において、ブテン以外にスチームも供給を中断した以外は、前記実施例2と同様の方法で反応終了及びブタジエンの製造の再実施を行った。
実施例2において、ブテン以外にスチームも供給を中断し、酸素と窒素の流量を2.5倍増加させて供給した以外は、前記実施例2と同様の方法で反応終了及びブタジエンの製造の再実施を行った。
実施例2において、スチームの流量を40%に減少させて供給した以外は、前記実施例2と同様の方法で反応終了及びブタジエンの製造の再実施を行った。
前記製造例の<ブタジエンの製造>において、下記の表1のような条件下で、反応温度が200℃に冷却されるまで反応物(ブテン、酸素、窒素、及びスチーム)の供給を維持した後、その後、反応物の供給を中断し、70℃以下に反応器を冷却して反応を終了させた後、下記の表1のような反応条件下でブタジエンの製造を再び実施した。前記再実施は、反応終了を実施する前の反応を開始した時と同じ方法で行った。
実施例3において、反応温度が200℃に冷却されるまでブテン及びスチームの供給を中断し、酸素と窒素の流量を2.5倍増加させて供給した以外は、前記実施例3と同様の方法で反応終了及びブタジエンの製造の再実施を行った。
実施例3において、反応温度が200℃に冷却されるまでブテン及び酸素の供給を中断した以外は、前記実施例3と同様の方法で反応終了及びブタジエンの製造の再実施を行った。
実施例3において、反応温度が200℃に冷却されるまでスチームの流量を40%に減少させて供給した以外は、前記実施例3と同様の方法で反応終了及びブタジエンの製造の再実施を行った。
実施例3において、反応温度が200℃に冷却されるまでブテン以外にスチーム及び酸素も供給を中断し、窒素の流量を2.5倍増加させて供給した以外は、前記実施例3と同様の方法で反応終了及びブタジエンの製造の再実施を行った。
下記の表2のような反応条件で、実施例1と同じ方法で、反応温度が200℃に冷却されるまで反応物(ブテン、酸素、窒素、及びスチーム)の供給を維持した後、その後、ブテン及びスチームの供給を中断し、70℃以下に反応器を冷却して反応を終了させた後、下記の表2のような反応条件下でブタジエンの製造を再び実施することを5回繰り返して行った。前記再実施は、反応終了を実施する前の反応を開始した時と同じ方法で行った。
実施例2と同じ方法で、ブテンの供給を中断し、酸素、窒素及びスチームの供給を維持しながら70℃以下に冷却させ、反応を終了した後、下記の表2のような反応条件下でブタジエンの製造を再び実施した。前記再実施は、反応終了を実施する前の反応を開始した時と同じ方法で行った。このような反応終了及びブタジエンの製造を再び実施することを4回繰り返して行った。
Claims (10)
- 金属酸化物触媒が充填された反応器に、構成成分としてブテン、酸素、窒素、及びスチームを含む反応物を流入させ、反応温度300〜450℃下で酸化的脱水素化反応を行う反応ステップと、
前記反応ステップの後、前記構成成分のそれぞれの流量変化率が±40%未満の範囲内で前記反応物の供給を維持するか、または前記反応物のうちブテンの供給のみを中断した後、前記反応器を200℃以下〜70℃超の範囲内に冷却させる第1次冷却ステップと、
前記第1次冷却ステップの後、前記反応物の供給を中断するか、または少なくとも前記反応物のうちブテンの供給を中断し、反応器を70℃以下に冷却させる第2次冷却ステップとを含み、
前記金属酸化物触媒は亜鉛フェライトである、
触媒の再現性に優れたブタジエンの製造方法。 - 前記第2次冷却ステップは、前記反応物のうちブテン及びスチームの供給が中断される、請求項1に記載の触媒の再現性に優れたブタジエンの製造方法。
- 前記第1次冷却ステップは、前記反応器が200〜100℃に冷却される、請求項1または2に記載の触媒の再現性に優れたブタジエンの製造方法。
- 前記金属酸化物触媒の鉄(Fe)と亜鉛(Zn)との原子数比が1.5:1〜4:1である、請求項1から3のいずれか1項に記載の触媒の再現性に優れたブタジエンの製造方法。
- 前記流入する反応物は、ブテン:酸素:窒素:スチームが、1:0.1〜2:1〜10:1〜30のモル比で含まれる、請求項1から4のいずれか一項に記載の触媒の再現性に優れたブタジエンの製造方法。
- 前記酸化的脱水素化反応は、気体空間速度(GHSV)が20〜150h−1である、請求項1から5のいずれか一項に記載の触媒の再現性に優れたブタジエンの製造方法。
- 前記第2次冷却ステップは、前記反応器が70〜30℃に冷却される、請求項1から6のいずれか一項に記載の触媒の再現性に優れたブタジエンの製造方法。
- 前記酸化的脱水素化反応を行うステップは、別途の冷却処理を行わない、請求項1から7のいずれか一項に記載の触媒の再現性に優れたブタジエンの製造方法。
- 前記第2次冷却ステップの後、前記反応物の供給を再び開始して、反応温度300〜450℃下で酸化的脱水素化反応を再び実施するステップを含む、請求項1から8のいずれか一項に記載の触媒の再現性に優れたブタジエンの製造方法。
- 前記ブタジエンの製造方法は、活性減少率が−1%以上である、請求項1から9のいずれか一項に記載の触媒の再現性に優れたブタジエンの製造方法。
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