JP5404814B2 - 芳香族炭化水素のアルキル化用触媒 - Google Patents
芳香族炭化水素のアルキル化用触媒 Download PDFInfo
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- JP5404814B2 JP5404814B2 JP2011546241A JP2011546241A JP5404814B2 JP 5404814 B2 JP5404814 B2 JP 5404814B2 JP 2011546241 A JP2011546241 A JP 2011546241A JP 2011546241 A JP2011546241 A JP 2011546241A JP 5404814 B2 JP5404814 B2 JP 5404814B2
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- JP
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- Prior art keywords
- acid
- catalyst
- zeolite
- zeolite catalyst
- benzene
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000007789 gas Substances 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- KNRQFACTBMDELK-UHFFFAOYSA-N hexoxybenzene Chemical compound CCCCCCOC1=CC=CC=C1 KNRQFACTBMDELK-UHFFFAOYSA-N 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 1
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 1
- KXUHSQYYJYAXGZ-UHFFFAOYSA-N isobutylbenzene Chemical compound CC(C)CC1=CC=CC=C1 KXUHSQYYJYAXGZ-UHFFFAOYSA-N 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- VXNSQGRKHCZUSU-UHFFFAOYSA-N octylbenzene Chemical compound [CH2]CCCCCCCC1=CC=CC=C1 VXNSQGRKHCZUSU-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- HFPZCAJZSCWRBC-UHFFFAOYSA-N p-cymene Chemical compound CC(C)C1=CC=C(C)C=C1 HFPZCAJZSCWRBC-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- WWYDYZMNFQIYPT-UHFFFAOYSA-N ru78191 Chemical compound OC(=O)C(C(O)=O)C1=CC=CC=C1 WWYDYZMNFQIYPT-UHFFFAOYSA-N 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- ZJMWRROPUADPEA-UHFFFAOYSA-N sec-butylbenzene Chemical compound CCC(C)C1=CC=CC=C1 ZJMWRROPUADPEA-UHFFFAOYSA-N 0.000 description 1
- 150000003333 secondary alcohols Chemical class 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000003797 solvolysis reaction Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 150000003628 tricarboxylic acids Chemical class 0.000 description 1
- YNJBWRMUSHSURL-UHFFFAOYSA-N trichloroacetic acid Chemical compound OC(=O)C(Cl)(Cl)Cl YNJBWRMUSHSURL-UHFFFAOYSA-N 0.000 description 1
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- C—CHEMISTRY; METALLURGY
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Description
れており、参照して、これを本明細書に組み込む。
1)エチレン+ベンゼン→エチルベンゼン
2)プロピレン+ベンゼン→イソプロピルベンゼン(クメン)
3)n-ブチレン+ベンゼン→ブチルベンゼン
4)イソブチレン+ベンゼン→イソブチルベンゼン
1)ジエチルベンゼン+ベンゼン→2エチルベンゼン
2)ジイソプロピルベンゼン+ベンゼン→2イソプロピルベンゼン(クメン)
3)ジブチルベンゼン+ベンゼン→2ブチルベンゼン
クメンの生成に関するテスト法
ゼオライトβ触媒の触媒活性を、クメンを生成するベンゼンのプロピレンによるアルキル化反応において評価した。テスト反応器は、再循環式微分固定床反応器(7/8インチID SS管)及びテスト条件は、圧力2413 kPa(350 psig)、温度170℃、再循環速度200g/分であった。テスト用供給材料はベンゼンに溶解したプロピレン0.35−0.45質量%を含有し、供給速度は6.0g/分であった。触媒充填物は、ゼオライト80質量%及び結合剤20質量%を含有する1.6mm押出し成形物に由来する粒子サイズ12−20メッシュを有するもので、0.7gであった。反応器に導入する前に、触媒を350℃において2時間乾燥した。ガスクロマトグラフィー(GC)による分析のため30分毎にサンプルを取り出しながら、テストを7−8時間行った。一次反応速度定数kを、クメンを生成するベンゼンのプロピレンによるアルキル化についての触媒活性を示すため算定した。
[比較例1]
(市販のβ)
この例及び実施例1−7において使用するゼオライトβ触媒を、Zeolyst International Co.(ペンシルベニア州バレー・フォージ)から得た。受け取ったままの触媒はゼオライト80質量%を含有する1.6mmの押出し成形物であり、12−20メッシュの粒子にサイズ変更した。触媒粒子の一部を使用し、上述の操作法を使用するクメンを生成するベンゼンのプロピレンによるアルキル化に関する触媒活性をテストし、触媒粒子の他の部分を、初めに実施例1−7に記載するように酸処理に供し、ついで評価し、その結果を表1及び図1に示す。
(高性能β)
この例及び実施例8−19において使用する高性能β(「HP」β)触媒を、米国特許第6,809,055号に記載された方法に従って、ゼオライト80質量%及び結合剤20質量%を含有する1.6mmの押出し成形物の形で調製した。押出し成形物を、反応器の評価及び実施例8−19に記載する酸処理のために12−20メッシュにサイズ変更した。酸処理したサンプルと共に、このサンプルのテスト結果を表2に示す。
Claims (25)
- 酸性ゼオライト触媒の酸性度を改善する方法であって、該方法は、表面非骨格アルミニウム及び骨格アルミニウムを含んでなる酸性ゼオライト触媒を有機二塩基酸と、触媒:酸の質量比2:1−20:1の範囲、及び温度50−100℃の範囲において、期間2時間以下で接触させて、表面非骨格アルミニウムの少なくとも一部を選択的に除去し、これによって、選択的に脱アルミニウム化されたゼオライト触媒を生成することを含んでなり、前記選択的に脱アルミニウム化されたゼオライト触媒は、ベンゼンのプロピレンによるクメンを形成するアルキル化反応に関する測定された一次速度常数(kcum)少なくとも2.0cm3/s gを有するものである、酸性ゼオライト触媒の酸性度の改善法。
- さらに、有機二塩基酸の水溶液を生成し;酸性ゼオライト触媒を前記水溶液と混合して接触させ;酸と接触したゼオライト触媒を前記水溶液から分離し;酸と接触した触媒を洗浄して過剰の有機二塩基酸を除去し;及び洗浄した触媒を温度80−150℃の範囲で乾燥することを含んでなる、請求項1記載の方法。
- ゼオライト触媒と有機二塩基酸との接触は、本質的に、骨格アルミニウムを除去しない、請求項1記載の方法。
- 触媒:酸の質量比が6:1−8:1の範囲である、請求項1記載の方法。
- 選択的に脱アルミニウム化されたゼオライト触媒が、ベンゼンのプロピレンによるクメンを形成するアルキル化反応に関する測定された一次速度常数(kcum)少なくとも3cm3/s gを有するものである、請求項4記載の方法。
- 有機二塩基酸が、シュウ酸、マロン酸、グルタル酸、アジピン酸、マレイン酸、フマル酸、酒石酸、エチレンジアミン四酢酸、及びその混合物の少なくとも1つからなるものである、請求項1記載の方法。
- ゼオライト触媒が、シリカ−アルミナ及びアルミノシリケートの少なくとも1つからなるものである、請求項1記載の方法。
- 接触を、65−90℃の範囲の温度において、0.5−1.5時間の範囲の期間で行う、請求項1記載の方法。
- ゼオライト触媒が、ゼオライトβ、ZSM-5、ZSM-22、ZSM-23、MCM-22及びMCM-49の少なくとも1つからなるものである、請求項1記載の方法。
- 酸性ゼオライト触媒がβゼオライトからなるものであり、選択的に脱アルミニウム化されたゼオライト触媒が、ベンゼンのプロピレンによるクメンを形成するアルキル化反応に関する測定された一次速度常数(kcum)少なくとも4cm3/s gを有するものである、請求項1記載の方法。
- a)少なくとも1つのC6+芳香族炭化水素及びb)オレフィン、アルコール及びハロゲン化アルキルの少なくとも1つを、c)酸処理されたゼオライト触媒と、温度及び圧力条件下で接触させて、アルキレート生成物及びトランスアルキレート生成物の少なくとも1つを生成することを含んでなる芳香族炭化水素のアルキル化又はトランスアルキル化法であって、前記酸処理されたゼオライト触媒が、表面非骨格アルミニウム及び骨格アルミニウムを含んでなる酸性ゼオライト触媒を有機二塩基酸と、触媒:酸の質量比2:1−20:1の範囲、及び温度50−100℃の範囲において接触させて、表面非骨格アルミニウムの少なくとも一部を選択的に除去することを含んでなる方法によって調製されたものである、芳香族炭化水素のアルキル化又はトランスアルキル化法。
- ゼオライト触媒を有機二塩基酸と接触させることによって、本質的に、表面非骨格アルミニウムのみを除去する、請求項11記載の方法。
- 触媒が、ベンゼンのプロピレンによるクメンを形成するアルキル化反応に関する測定された一次速度常数(kcum)少なくとも2cm3/s gを有するものである、請求項11記載の方法。
- 触媒:酸の質量比が6:1−8:1の範囲である、請求項11記載の方法
- 触媒が、ベンゼンのプロピレンによるクメンを形成するアルキル化反応に関する測定された一次速度常数(kcum)少なくとも3cm3/s gを有するものである、請求項14記載の方法。
- 有機二塩基酸が、シュウ酸、マロン酸、グルタル酸、アジピン酸、マレイン酸、フマル酸、酒石酸、エチレンジアミン四酢酸、及びその混合物の少なくとも1つからなるものである、請求項11記載の方法。
- ゼオライト触媒が、シリカ−アルミナ及びアルミノシリケートの少なくとも1つからなるものである、請求項11記載の方法。
- 接触を、65−90℃の範囲の温度において、0.5−1.5時間の範囲の期間で行う、請求項11記載の方法。
- ゼオライト触媒が、ゼオライトβ、ZSM-5、ZSM-22、ZSM-23、MCM-22及びMCM-49の少なくとも1つからなるものである、請求項11記載の方法。
- 酸処理したゼオライト触媒を調製する方法が、さらに、有機二塩基酸の水溶液を生成し;酸性ゼオライト触媒を前記水溶液と混合して接触させ;酸と接触したゼオライト触媒を前記水溶液から分離し;酸と接触した触媒を洗浄して過剰の有機二塩基酸を除去し;及び洗浄した触媒を温度80−150℃の範囲で乾燥することを含んでなるものである、請求項11記載の方法。
- 酸性ゼオライト触媒がβゼオライトからなるものであり、選択的に脱アルミニウム化されたゼオライト触媒が、ベンゼンのプロピレンによるクメンを形成するアルキル化反応に関する測定された一次速度常数(kcum)少なくとも4cm3/s gを有するものである、請求項11記載の方法。
- 芳香族化合物のアルキル化又はトランスアルキル化に使用される触媒であって、該触媒は、表面非骨格アルミニウム及び骨格アルミニウムを含んでなる酸性ゼオライト触媒を有機二塩基酸と、触媒:酸の質量比2:1−20:1の範囲、及び温度50−100℃の範囲において接触させて、表面非骨格アルミニウムの少なくとも一部を選択的に除去することを含んでなる方法によって調製された酸処理されたゼオライト触媒からなるものである、芳香族化合物のアルキル化又はトランスアルキル化用触媒。
- 触媒を調製する方法が、さらに、有機二塩基酸の水溶液を生成し;酸性ゼオライト触媒を前記水溶液と混合して接触させ;酸と接触したゼオライト触媒を前記水溶液から分離し;酸と接触した触媒を洗浄して過剰の有機二塩基酸を除去し;及び洗浄した触媒を温度80−150℃の範囲で乾燥することを含んでなるものである、請求項22記載の触媒。
- 触媒が、ベンゼンのプロピレンによるクメンを形成するアルキル化反応に関する測定された一次速度常数(kcum)少なくとも2cm3/s gを有するものである、請求項22記載の触媒。
- 酸性ゼオライト触媒がβゼオライトからなるものであり、選択的に脱アルミニウム化されたゼオライト触媒が、ベンゼンのプロピレンによるクメンを形成するアルキル化反応に関する測定された一次速度常数(kcum)少なくとも4cm3/s gを有するものである、請求項22記載の触媒。
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AR099964A2 (es) | 2016-08-31 |
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