TW200300752A - Transalkylation of diisopropylbenzene - Google Patents
Transalkylation of diisopropylbenzene Download PDFInfo
- Publication number
- TW200300752A TW200300752A TW091135306A TW91135306A TW200300752A TW 200300752 A TW200300752 A TW 200300752A TW 091135306 A TW091135306 A TW 091135306A TW 91135306 A TW91135306 A TW 91135306A TW 200300752 A TW200300752 A TW 200300752A
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- Prior art keywords
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- patent application
- catalyst composition
- zeolite
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- 238000010555 transalkylation reaction Methods 0.000 title description 9
- OKIRBHVFJGXOIS-UHFFFAOYSA-N 1,2-di(propan-2-yl)benzene Chemical compound CC(C)C1=CC=CC=C1C(C)C OKIRBHVFJGXOIS-UHFFFAOYSA-N 0.000 title description 5
- 239000003054 catalyst Substances 0.000 claims abstract description 42
- 239000010457 zeolite Substances 0.000 claims abstract description 38
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 34
- RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000000203 mixture Substances 0.000 claims abstract description 26
- 229910052680 mordenite Inorganic materials 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 16
- 230000002378 acidificating effect Effects 0.000 claims abstract description 5
- 150000001555 benzenes Chemical class 0.000 claims abstract description 5
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 34
- 238000006243 chemical reaction Methods 0.000 claims description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 239000011148 porous material Substances 0.000 claims description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 8
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 239000004927 clay Substances 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- -1 oxide files Inorganic materials 0.000 claims description 2
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims 5
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims 2
- 239000010436 fluorite Substances 0.000 claims 2
- 239000000395 magnesium oxide Substances 0.000 claims 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims 2
- FLDSMVTWEZKONL-AWEZNQCLSA-N 5,5-dimethyl-N-[(3S)-5-methyl-4-oxo-2,3-dihydro-1,5-benzoxazepin-3-yl]-1,4,7,8-tetrahydrooxepino[4,5-c]pyrazole-3-carboxamide Chemical compound CC1(CC2=C(NN=C2C(=O)N[C@@H]2C(N(C3=C(OC2)C=CC=C3)C)=O)CCO1)C FLDSMVTWEZKONL-AWEZNQCLSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 229910000487 osmium oxide Inorganic materials 0.000 claims 1
- JIWAALDUIFCBLV-UHFFFAOYSA-N oxoosmium Chemical compound [Os]=O JIWAALDUIFCBLV-UHFFFAOYSA-N 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 4
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 101000648997 Homo sapiens Tripartite motif-containing protein 44 Proteins 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 102100028017 Tripartite motif-containing protein 44 Human genes 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- ODLMAHJVESYWTB-UHFFFAOYSA-N propylbenzene Chemical compound CCCC1=CC=CC=C1 ODLMAHJVESYWTB-UHFFFAOYSA-N 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- LGXAANYJEHLUEM-UHFFFAOYSA-N 1,2,3-tri(propan-2-yl)benzene Chemical compound CC(C)C1=CC=CC(C(C)C)=C1C(C)C LGXAANYJEHLUEM-UHFFFAOYSA-N 0.000 description 1
- AMBHHSBRXZAGDZ-UHFFFAOYSA-N 1-phenyl-2,3-di(propan-2-yl)benzene Chemical group CC(C)C1=CC=CC(C=2C=CC=CC=2)=C1C(C)C AMBHHSBRXZAGDZ-UHFFFAOYSA-N 0.000 description 1
- GKGTVJOYFGUPSA-UHFFFAOYSA-N 2,4-dimethylpentan-3-ylbenzene Chemical class CC(C)C(C(C)C)C1=CC=CC=C1 GKGTVJOYFGUPSA-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 101000697856 Rattus norvegicus Bile acid-CoA:amino acid N-acyltransferase Proteins 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002152 alkylating effect Effects 0.000 description 1
- 230000029936 alkylation Effects 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 150000004951 benzene Polymers 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 125000001997 phenyl group Polymers [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000066 reactive distillation Methods 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- CBXCPBUEXACCNR-UHFFFAOYSA-N tetraethylammonium Chemical compound CC[N+](CC)(CC)CC CBXCPBUEXACCNR-UHFFFAOYSA-N 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/18—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type
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- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/19—Catalysts containing parts with different compositions
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/80—Mixtures of different zeolites
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C6/00—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions
- C07C6/08—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions by conversion at a saturated carbon-to-carbon bond
- C07C6/12—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions by conversion at a saturated carbon-to-carbon bond of exclusively hydrocarbons containing a six-membered aromatic ring
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C6/00—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions
- C07C6/08—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions by conversion at a saturated carbon-to-carbon bond
- C07C6/12—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions by conversion at a saturated carbon-to-carbon bond of exclusively hydrocarbons containing a six-membered aromatic ring
- C07C6/126—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions by conversion at a saturated carbon-to-carbon bond of exclusively hydrocarbons containing a six-membered aromatic ring of more than one hydrocarbon
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- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/10—After treatment, characterised by the effect to be obtained
- B01J2229/16—After treatment, characterised by the effect to be obtained to increase the Si/Al ratio; Dealumination
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- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
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- B01J29/7007—Zeolite Beta
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- C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
- C07C2521/02—Boron or aluminium; Oxides or hydroxides thereof
- C07C2521/04—Alumina
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- C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
- C07C2521/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
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- C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
- C07C2521/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- C07C2521/08—Silica
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- C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
- C07C2521/10—Magnesium; Oxides or hydroxides thereof
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
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- C07C2521/16—Clays or other mineral silicates
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2529/00—Catalysts comprising molecular sieves
- C07C2529/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites, pillared clays
- C07C2529/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- C07C2529/18—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2529/00—Catalysts comprising molecular sieves
- C07C2529/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites, pillared clays
- C07C2529/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- C07C2529/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups C07C2529/08 - C07C2529/65
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
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- C07C2529/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites, pillared clays
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
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- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Description
玖、.發明說明 (發明日月明:'發明所屬之技術領域、先前技術:內容、實施方式及圖式簡翻) I:發明戶斤屬之技術領域;3 發明背景 本發明關於二或多種沸石與一脫鋁化之絲光彿石 的混合物,在將二異丙基苯轉化成異丙基苯的轉烷基 4匕方法中的用途。 C 3^0 jttr Jt 枯烯,亦已知為異丙基苯,為商業上重要的化合 物’例如在苯酚及丙酮的製造上。異丙基苯一般係利 用在不同條件下,在沸石、無水氯化鋁[A1C13]或磷酸 催化劑上,利用丙烯來烷基化苯所製備。已知各種不 同之加工設計以供以相當高的產率來產生例如異丙基 笨之單烷基芳族產物。然而,此等現有的方法並非沒 有問題,例如產生非所欲的副產物。尤其,普遍地發 生在此類反應中的多烷基化作用產生非所欲的二異丙 基苯或三異丙基苯。為了降低此等多烷基化物的形成 ,可在進料中使用高的苯相對於丙烯的比例以及在某 些情況下,可利用經稀釋之丙烯原料。 已知在分離的轉烷基化反應器中將此等多烷基化 苯與苯反應以形成異丙基苯,藉此增加異丙基苯的產 1。為了達到此目的,需要經證實對異丙基苯具有高 遥擇f生且具有向的聚異丙基苯之轉化速率的催化劑。 白知技術中已提出各種不同之用於此類反應的催 化劑。此等催化劑包括酸性絲光沸石(US-A-5,⑷,116),0 彿石(US-A-4,891,458, Ep〇 687 5〇〇 嘯次頁(翻翻頁不敷麵時,註記並使纖頁) 200300752 發明說明$賣頁 玖、發明說明 ),以及分子篩(EP 0467 007 )。仍希望能改良此等催化劑 以改良對異丙基苯的選擇性及/或多異丙基苯的轉化率。 L發明内容3 發明概述及背景 ίο 本發明提供一種適合使用於將二異丙基苯轉化成 異丙基苯的轉烷基化步驟。此催化劑包含二或多種沸石與 脫鋁化絲光沸石的混合物。此脫鋁化絲光沸石包含一酸性 絲光沸石,其所具有之氧化矽/氧化鋁的莫耳比例至少為 30 : 1。此催化劑之組分應具有結晶結構,其結構藉由X-射線繞射測定具有一 Cmcm對稱性的矩陣,該矩陣中分布 有分散的Cmmm對稱性區域。此對稱性指數係有關於存在 於絲光彿石樣品中的結晶之對稱性。 第二沸石組分可為任何具有酸性形式之12元環的沸石 。較佳的第二沸石組分係選自於下述物質組成之組群:/3 15 沸石、MCM-22、MCM-36、MCM-49、ERB-1、SSZ-25、 ω及Y沸石,最佳為0沸石。沸石MCM-22係描述於 US-A-4,992,606,Y 沸石係描述於 US_A-3,130,007 及其改 質形式係描述於 US-A-4,459,426 及 US-A-4,798,816。/3 沸 石組分,若存在的話,具有下述的組成: 20 [(x/n)M (1+0.1-x)TEA]A1O2 · ySi02 · wH20 其中x小於1,y的範圍為5至100,w的範圍為0至4, Μ為屬於週期表IA、IIA及IIA族之金屬或過渡金屬,以 及TEA為四乙基錢。 0續次頁(發明說明頁不敷使用時,請註記並使用續頁) 200300752 發明說明$賣胃 玖、發明說明 本發明之另一方面為關於改良任何形狀選擇性反應扮 演重要的角色之轉烷基化反應或相對於其異構物偏好形成 某一特定異構物之反應的方法,特別是關於改良二異丙基 甲苯、二異丙基聯苯或二異丙基萘的轉烷基化反應。較佳 的方法包含在催化劑存在下,在產生異丙基苯的條件下, 使苯與二異丙基苯接觸。較佳地,此方法與利用丙烯使苯 烷基化的反應同時進行。 · 發明之詳細說明 ίο 本發明之催化劑包含至少50重量百分比之脫鋁化絲 光沸石組分,較佳為界於60至80重量百分之間,以及至 少5至50重量百分比之第二沸石,其可為任何具有酸性 形式之12元環的沸石,較佳為界於20至40重量百分比 。較佳的第二沸石組分係選自於下述物質組成之組群··石 彿石、MCM-22、MCM-36、MCM-49、ERB-1、SSZ-25、 15 ω及Y沸石(或此等沸石的混合物)。 沸石MCM-22係描述於US-A-4,992,606,Υ沸石係描 述於US-A-3,130,007及其改質形式係描述於118-八-4,459,426及US-A-4,798,816。石沸石,包括其改質形式 為習知技術領域中已知者,例如最初描述於US-A-20 3,308,069及US Re 28,341中者及稍後描述於118-八- 4,891,458及EP 0 432 814中者。/3沸石組分,若存在 的話,具有下述的組成: [(x/n)M (1±0.1-x)TEA]A1O2 . ySi02 · wH20 0續次頁(發明說明頁不敷使用時,請註記並使用續頁) 200300752 發明說明$賣頁 玖、發明說明 其中X小於1,y的範圍為5至100, w的範圍為0至4, Μ為屬於週期表ΙΑ、IIA及IIA族之金屬或過渡金屬,以 及TEA為四乙基銨。 視需要地,為了增加催化劑的強度及抗磨耗性,轉烷 5 基化催化劑可結合至任何載體材料、支撐於任何載體材料 ,或與任何載體材料一同擠壓。適當的載體包括氧化铭、 氧化矽、矽鋁酸鹽、氧化鈦、锆、鎂及黏土。較佳地,載 體為氧化鋁或氧化矽。第二沸石催化劑組分可壓緊成任何 所欲的形狀,例如圓柱形擠壓物。第二沸石組分可藉由任 10 何習知技術中已知的方法來製造,例如描述於EP 0 432 814中的方法。 較佳之本發明之催化劑的脫紹化絲光沸石組分亦為習 知技術領域中已知者,例如US-A-5,243,116。較佳之脫I呂 化絲光沸石組分具有至少為30 : 1之氧化矽/氧化鋁的莫 15 耳比例,至少為1.0之如US-A-5,243,116所定義的對稱性 指數(SI),以及使總孔洞體積範圍為約0.18 cc/g至約 0.45 cc/g之孔隙度,以及合併之中孔及大孔體積相對於總 孔洞體積的比例範圍較佳為0.25至約0.75。為了本發明 的目的,中孔的半徑範圍為3-10 A以及大孔的半徑範圍 20 為100-1000人。較佳地,本發明的絲光沸石具有一結晶結 構,該結構包含一 Cmcm對稱性的矩陣,該矩陣中分布有 分散的Cmmm對稱性區域,此等用語如J. D. Sherman及 J. M. Bennett,“關於絲光沸石之框架結構(Framework Structures Related to the Zeolite Mordenite) Molecular 0續次頁(發明說明頁不敷使用時,請註記並使用續頁) 200300752 發明說明g頁 玖、發明說明、 ,J.W. Meier and J. B. Uytterhoeven 編輯, //7 SeWa,第 121 期,1973 年,第 53 頁中所定義者。 較佳之脫鋁化絲光沸石組分可如US-A-5,243,116所 5 述般製造。
轉烷基化反應可在習知技術領域中已知的條件下進行 ,例如描述於US-A-5,243,116或EP 0 467007中者。較佳 地,材料係在連續流動之固定床反應器中接觸,但也可使 用其他的反應器形式,例如反應性蒸餾反應器或整體式反 10 應器。第二沸石及脫鋁化絲光沸石催化劑組分可徹底地混 合或可構形成個別的組分係集中在二或多層中。
反應條件為一般習知技術中使用於此類轉烷基化反應 的條件。一般而言,反應器應處於界於120至210°c的溫 度下,較佳為界於140至180°C。最佳的溫度係依催化劑 15 混合物之整體活性以及連帶形成的雜質(尤其是正丙基苯 )而定。雜質成分的形成是非所欲的且應控制在最低的可 接受量。壓力應為能維持液相反應條件的壓力。進料的重 時空速(WHSV)範圍可為0.5至50,較佳為1至10,最 佳為1至5。 20 【實方方式】 實施例 本發明將藉由下述實施例來詳細說明。所有此等轉烷 基化實驗係在連續流固定化床管式反應器中進行,該管式 反應器的内徑為18.9 mm。反應器在底部及頂部係充填碳 0續次頁(發明說明頁不敷使用時,請註記並使用續頁) 10 坎1、_明說明\ 發明說明續頁 化石夕(SiC),各實施例中所述的特定催化劑係位在碳化 石夕層之間。第二彿石組分為々沸石(zeolyst,CP861DL- 25及Sl〇2/Al203莫耳比例^ 24 : i以及係與氧化銘結合 (20百分比))。脫鋁化絲光沸石之si〇2/Al2〇3莫耳比 5例為224 : 1且係與氧化銘(2()百分比)結合。以溫度 165°C、壓力32巴及重時空速(WHSV) i ρ來維持液 相反應條件。進料之苯相對於異丙基苯(mpB)的莫耳 比例為8 · 1。DIPB的異構物組成為4〇1重量百分比之間 位,、構4勿22·4重!百分比之鄰位異構物,以及375重 1〇里百刀比之對位異構物。產物係利用線上氣相層析儀來分 析。 在實施例1中,催化劑床的構形為混合式,在實施例 g中沒/弗石係位在反應器之入口處的層中以及脫鋁化絲 光弗係位在反應器之出口處的層中,以及在實施例3中 15,脫銘化絲光沸石係位在反應器的入口處以及心弗石係位 在出口處。催化劑組分的量以及結果係描述於第i表中。 0續次頁(翻說贿不_觸,謙記雌腦頁) 11 200300752 發明說明ϋ 玖、發明說明 第1表 實施例 編號 /3沸石 Mor DIPB 之 轉化率% 間-DIPB之轉 •化率% 鄰-DIPB之 轉化率°/〇 對-DIPB之轉 化率% 對異丙基苯的 A (比較例) 40 g 0 50 14 84 66 89 B (比較例) 0 40 g 52 48 25 72 95 1 8 g 32 g 62 46 75 71 93 2 8 g 32 g 60 47 64 71 91 3 8 g 32 g 62 40 79 75 94
Con =轉化率,Sel =選擇性,Mor =脫I呂化絲光沸石 如第1表所示,本發明之催化劑組成物與任一組分 5 單獨存在相較,在相等或較佳的選擇性下產生較高的轉 化率。 12
Claims (1)
- 200300752 拾、申請專利範圍十 ............- ^ ·:;·ν:.:Λ,. ν:-.:- -; ' ν,· ·. ;:·; . ; ί:ί ';;::,::':, ...... ....νΛ:....^.:.; .;.:..V.:/:.. Λ.:. ;;; ·..:.:, .Λ..; ,; ;;_> ·.: - · - . -·:'··'.^.;::· . .:·.>·:Ι.Ν·:· -;·. '^ ;-·/, :.'· ·.. "'· ... . · ..............:·..::.:.-,;;:; .; ' : ' L 一種催化劑组成物,包含5〇至95重量百分比之脫結 化絲光沸石組分,以及5至5〇重量百分比之第二沸 石組組分,該第二沸石組分可為具有酸性形式之12 元環的任何沸石。 2·如申請專利範圍第1項之催化劑組成物,其中該第二 沸石組分係選自於下述物質組成之組群:々沸石、 MCM.22 ^ MCM-36 > MCM-49 ^ ERB-1 > SSZ-25 ^ ω 及Υ沸石。 汝申明專利範圍第2項之催化劑組成物,其中該第二 彿石組分為/3沸石。 申明專利範圍第3項之催化劑組成物,其中該$彿 石組分的量為該催化劑組成物的至少15重量百分比 〇 如申请專利範圍第1項之催化劑組成物,其中該脫鋁 化絲光沸石組分的量為該催化劑組成物的至少60重 量百分比。 6·如申請專利範圍第3項之催化劑組成物,其中該冷沸 石組分為酸性形式。 7 •如申請專利範圍第3項之催化劑組成物,其中該冷沸 石組分係與一無機黏合劑結合。 8 •如申請專利範圍第7項之催化劑組成物,其中該黏合 劑係選自於下述物質組成之組群··氧化矽、氧化铭、 氧化鍅、氧化鎂、天然黏土及其混合物。 如申請專利範圍第1項之催化劑組成物,其中該脫銘 _次頁(申請專利範圍頁不敷麵時,請註記並使麵頁) 13 申請專利範圔續頁 的莫耳比例為至少 fe、申I靑專利範屋 化絲光沸石組分的氧化矽/氧化鋁 30 : 1 〇 士申明專利車巳圍第!項之催化劑組成物,其中該脫铭 5 化絲光沸石組分的對稱性指數為至少L0。 士申:月專利粑圍第j項之催化劑組成物,其中該脫紹 $光沸石組分的孔隙度係使總孔洞體積範圍為約 18 cc/g至約〇 45 cc/g以及合併之中孔及大孔的體 積相對於總孔洞體積的比例範圍較佳^ 〇·25至約 0.75 〇 10 12.如申請專利範圍第i項之催化劑組成物,其中該脫铭 化絲光沸石組分係與一無機黏合劑結合。 13· —種使二烷基化苯轉烷基化之方法,包含下述步驟: 在一催化劑存在下,在足以形成異丙基苯的條件 下’使一烧基化苯與苯接觸,其中該催化劑包含5至 15 5〇重量百分比之冷沸石組分,以及5〇至95重量百分 比之脫鋁化絲光沸石組分。 14 _如申凊專利範圍第13項之方法,其中該二烧基化苯 係在連續流之固定化床反應器中與苯接觸。 15·如申請專利範圍第14項之方法,其中通過反應器的 20 進料之重時空速(weight hourly space velocity )值係 維持在0.5至50之範圍。 16.如申請專利範圍第13項之方法,其中該催化劑組分 係混合在一起。 17.如申請專利範圍第13項之方法,其中該催化劑組分 0續次頁(申請專利範圍頁不敷使用時,請註記並使用續頁) 14捨、申請專利範圖, #大致地分離成二或多層。 18.如申請專利範圍第13 曰也 貝之方法,其中該万沸石組分 的董為該催化劑組成物的至少Η重量百分比,以及 該脫銘化絲光彿石組分的量㈣Μ 60重量百分比。 19·如申請專利範圍第13 貝炙方法,其中該脫鋁化絲光 彿石組分的氧切/氧化㈣莫耳比例為至少3〇:ι ,對稱性指數為至少1 • 及孔隙度係使總孔洞體積 範圍為約0.18 cc/g至約〇 8 、、々〇·45 cc/g以及合併之中孔及 大孔的體積相對於她、、 孔/R體積的比例範圍較佳為0.25 至約0.75。 2〇· ^種使二院基化苯轉烧基化以形成異丙基苯之方法, X方法包3在催化劑存在下,在連續流固定床反應器 中使—院基化苯與苯接觸,其中該催化劑包含: ⑷5至5〇重量百分比之沸石組分,其係選自於下 述物質組成之組群:0.S、MCM_22、MCM- 36、MCM-49、ERB-l、SSZ-25、〇及 γ 沸石 ,其中該沸石組分進一步包含一黏合劑,該黏 合劑係選自於下述物質組成之組群:氧化矽、 氧化鋁、氧化銼、氧化鎂、天然黏土及其混合 物;以及 (b) 50至95重量百分比之脫鋁化絲光沸石組分, 該脫鋁化絲光沸石組分的氧化矽/氧化鋁的莫 耳比例為至少30 : 1,對稱性指數為至少1 .〇 0續次頁(申請專利範圍頁不敷使用時,請註記並使用續頁) 拾、申請蓴利範画 申請專利範圍末頁 200300752 及孔隙度係使總孔洞體積範圍為約0.18 cc/g至 約0.45 cc/g以及合併之中孔及大孔的體積相對 於總孔洞體積的比例範圍較佳為0.25至約 0.75 ; 其中該反應器係維持在140°C至180°C之溫度下,進 料之重時空速(weight hourly space velocity)為 1 至 5 200300752 陸、(一)、本案指定代表圖爲:無 (二)、本代表圖之元件代表符號簡單說明:無 柒、本案若有化學式時,請揭示最能顯示發明特徵的化學
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US7919421B2 (en) * | 2006-12-21 | 2011-04-05 | Exxonmobil Chemical Patents Inc. | Catalyst composition, the method of manufacturing and the process of use thereof in aromatics alkylation |
US7626064B1 (en) * | 2008-06-26 | 2009-12-01 | Uop Llc | Transalkylation process |
EP2269734A1 (en) * | 2009-07-03 | 2011-01-05 | BP Corporation North America Inc. | Modified zeolite catalyst |
US8435909B2 (en) * | 2010-02-18 | 2013-05-07 | King Fahd University Of Petroleum And Minerals | Dual-zeolite catalyst for production of ethylbenzene |
CN102407156B (zh) * | 2010-09-21 | 2013-09-04 | 中国石油天然气股份有限公司 | 一种烷基转移催化剂的制备方法 |
US10118165B2 (en) * | 2015-02-04 | 2018-11-06 | Exxonmobil Chemical Patents Inc. | Catalyst compositions and use in heavy aromatics conversion processes |
WO2018160327A1 (en) * | 2017-02-28 | 2018-09-07 | Exxonmobil Chemical Patents Inc. | Catalyst compositions and their use in aromatic alkylation processes |
RU2769447C2 (ru) * | 2017-02-28 | 2022-03-31 | Эксонмобил Кемикэл Пейтентс Инк. | Каталитические композиции и их применение в способах алкилирования ароматических соединений |
CN114426451B (zh) * | 2020-09-24 | 2024-06-28 | 中国石油化工股份有限公司 | 一种多取代异丙苯烷基转移制备异丙苯的方法及其所得异丙苯 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5243116A (en) * | 1987-11-23 | 1993-09-07 | The Dow Chemical Company | Alkylation of aromatic compounds |
US5240889A (en) * | 1991-07-12 | 1993-08-31 | Union Oil Company Of California | Hydrated alkylation catalyst |
IT1270230B (it) * | 1994-06-16 | 1997-04-29 | Enichem Sintesi | Composizione catalitica e processo per l'alchilazione di composti aromatici |
FR2744650B1 (fr) * | 1996-02-09 | 1998-03-27 | Inst Francais Du Petrole | Catalyseur composite de dismutation et/ou de transalkylation d'hydrocarbures alkylaromatiques |
DE69725319T2 (de) * | 1996-05-29 | 2004-07-22 | Exxonmobil Chemical Patents Inc., Baytown | Verfahren zur umsetzung von aromatischen kohlenwasserstoffen, sowie dabei zu verwendender zeolitischer katalysator |
-
2002
- 2002-10-07 MX MXPA04005454A patent/MXPA04005454A/es not_active Application Discontinuation
- 2002-10-07 BR BR0214658-4A patent/BR0214658A/pt not_active IP Right Cessation
- 2002-10-07 EP EP02776168A patent/EP1455939A1/en not_active Withdrawn
- 2002-10-07 JP JP2003550901A patent/JP2005511285A/ja not_active Withdrawn
- 2002-10-07 WO PCT/US2002/031993 patent/WO2003049857A1/en not_active Application Discontinuation
- 2002-10-07 US US10/495,646 patent/US20050038307A1/en not_active Abandoned
- 2002-10-07 CA CA002468534A patent/CA2468534A1/en not_active Abandoned
- 2002-10-07 CN CNA028235495A patent/CN1596151A/zh active Pending
- 2002-10-07 AU AU2002342005A patent/AU2002342005A1/en not_active Abandoned
- 2002-10-07 KR KR1020047008558A patent/KR20050034633A/ko not_active Application Discontinuation
- 2002-12-05 TW TW091135306A patent/TW200300752A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
BR0214658A (pt) | 2004-11-03 |
JP2005511285A (ja) | 2005-04-28 |
KR20050034633A (ko) | 2005-04-14 |
US20050038307A1 (en) | 2005-02-17 |
CA2468534A1 (en) | 2003-06-19 |
WO2003049857A1 (en) | 2003-06-19 |
AU2002342005A1 (en) | 2003-06-23 |
MXPA04005454A (es) | 2004-10-11 |
CN1596151A (zh) | 2005-03-16 |
EP1455939A1 (en) | 2004-09-15 |
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