JP5298135B2 - 選択的水素化触媒及びその製造 - Google Patents
選択的水素化触媒及びその製造 Download PDFInfo
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- 239000003054 catalyst Substances 0.000 title claims description 93
- 238000005984 hydrogenation reaction Methods 0.000 title claims description 47
- 238000004519 manufacturing process Methods 0.000 title description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 55
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 53
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 38
- 229910052763 palladium Inorganic materials 0.000 claims description 23
- 239000000243 solution Substances 0.000 claims description 22
- 229910052684 Cerium Inorganic materials 0.000 claims description 17
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 17
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 16
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 16
- 229910052746 lanthanum Inorganic materials 0.000 claims description 16
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 15
- 238000005470 impregnation Methods 0.000 claims description 9
- 239000011148 porous material Substances 0.000 claims description 7
- 238000001354 calcination Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 239000004480 active ingredient Substances 0.000 claims description 5
- 229910000510 noble metal Inorganic materials 0.000 claims description 5
- 239000012266 salt solution Substances 0.000 claims description 5
- 239000013078 crystal Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 102000002322 Egg Proteins Human genes 0.000 claims description 2
- 108010000912 Egg Proteins Proteins 0.000 claims description 2
- 229910052788 barium Inorganic materials 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 210000003278 egg shell Anatomy 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 229910052712 strontium Inorganic materials 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims 1
- 239000012752 auxiliary agent Substances 0.000 claims 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims 1
- 238000005406 washing Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 description 22
- 239000000843 powder Substances 0.000 description 21
- 238000000197 pyrolysis Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 13
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 12
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 description 12
- 239000008367 deionised water Substances 0.000 description 12
- 229910021641 deionized water Inorganic materials 0.000 description 12
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 description 12
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 12
- 239000000047 product Substances 0.000 description 12
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 11
- 229910052740 iodine Inorganic materials 0.000 description 11
- 239000011630 iodine Substances 0.000 description 11
- 150000001993 dienes Chemical class 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 7
- 238000011156 evaluation Methods 0.000 description 7
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 6
- 239000005977 Ethylene Substances 0.000 description 6
- 239000000084 colloidal system Substances 0.000 description 6
- 238000004090 dissolution Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 238000009835 boiling Methods 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 229910052785 arsenic Inorganic materials 0.000 description 4
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- FYDKNKUEBJQCCN-UHFFFAOYSA-N lanthanum(3+);trinitrate Chemical compound [La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FYDKNKUEBJQCCN-UHFFFAOYSA-N 0.000 description 4
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 4
- DHEQXMRUPNDRPG-UHFFFAOYSA-N strontium nitrate Chemical compound [Sr+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O DHEQXMRUPNDRPG-UHFFFAOYSA-N 0.000 description 4
- 150000001491 aromatic compounds Chemical class 0.000 description 3
- 238000004438 BET method Methods 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Chemical compound [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910001961 silver nitrate Inorganic materials 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- KPYCVQASEGGKEG-UHFFFAOYSA-N 3-hydroxyoxolane-2,5-dione Chemical compound OC1CC(=O)OC1=O KPYCVQASEGGKEG-UHFFFAOYSA-N 0.000 description 1
- QZRGKCOWNLSUDK-UHFFFAOYSA-N Iodochlorine Chemical compound ICl QZRGKCOWNLSUDK-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910001964 alkaline earth metal nitrate Inorganic materials 0.000 description 1
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000005673 monoalkenes Chemical class 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000004323 potassium nitrate Substances 0.000 description 1
- 235000010333 potassium nitrate Nutrition 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004230 steam cracking Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/44—Palladium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/63—Platinum group metals with rare earths or actinides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
-
- B01J35/397—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
- B01J37/0205—Impregnation in several steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
- B01J37/0207—Pretreatment of the support
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G45/00—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
- C10G45/02—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing
- C10G45/04—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing characterised by the catalyst used
- C10G45/10—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing characterised by the catalyst used containing platinum group metals or compounds thereof
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G45/00—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
- C10G45/32—Selective hydrogenation of the diolefin or acetylene compounds
- C10G45/34—Selective hydrogenation of the diolefin or acetylene compounds characterised by the catalyst used
- C10G45/40—Selective hydrogenation of the diolefin or acetylene compounds characterised by the catalyst used containing platinum group metals or compounds thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
- B01J21/04—Alumina
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
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- B01J35/633—
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
- C10G2400/02—Gasoline
Description
活性成分として0.2〜0.5重量%のPd、
助剤として2〜8重量%のランタン及び/又はセリウム、ならびに
2〜8重量%のアルカリ土類金属を含むことを特徴とし、前記触媒は0.07〜0.15mmのシェル厚、70〜150m2/gの比表面積及び0.3〜0.6ml/gの細孔容積を有し、担体の結晶形はθ型であるか、主としてθ型で構成されるθ、α混合型であることができる。触媒は、中又は低留分油のジオレフィン選択的水素化に、特に熱分解ガソリン留分の第1段階選択的水素化プロセスに、有用である。
アルミナ粉末:Shandong Taiguang Company Limitedから入手可能。
アルミナ担体:押出ストリップ。
180mlの水を300gのアルミナ粉末に加え、次にそれを混練し、押出し、空気中120℃で乾燥し、540℃で4時間か焼した。次に、76.5gの硝酸マグネシウムを水に溶解し、担体に含浸させ、空気中120℃で乾燥し、1020℃で4時間か焼することで、Al2O3担体を生産した。
180mlの水を300gのアルミナ粉末に加え、次にそれを混練し、押出し、空気中120℃で乾燥し、540℃で4時間か焼した。次に28.7gの硝酸ランタンを水に溶解し、担体に含浸させ、空気中120℃で乾燥し、1020℃で4時間か焼することで、Al2O3担体を生産した。
180mlの水を300gのアルミナ粉末に加え、次にそれを混練し、押出し、空気中120℃で乾燥し、540℃で4時間か焼した。次に、45.2gの硝酸セリウムを水に溶解し、担体に含浸させ、空気中120℃で乾燥し、1020℃で4時間か焼することで、Al2O3担体を生産した。
180mlの水を300gのアルミナ粉末に加え、次にそれを混練し、押出し、空気中120℃で乾燥し、560℃で4時間か焼した。次に、69.7gの硝酸マグネシウム及び34.5gの硝酸セリウムを水に溶解し、担体に含浸させ、空気中120℃で乾燥し、850℃で4時間か焼することで、δ型のAl2O3担体を生産した。
180mlの水を300gのアルミナ粉末に加え、次にそれを混練し、押出し、空気中120℃で乾燥し、560℃で4時間か焼した。次に、7.6gの硝酸カリウム及び2.1gの硝酸銀を水に溶解し、担体に含浸させ、空気中120℃で乾燥し、980℃で4時間か焼することで、θ型のAl2O3担体を生産した。
分析方法
比表面積:BET法
細孔容積:BET法
ジオレフィン:油のジオレフィン価は無水リンゴ酸法によって決定し、gヨウ素/100g油として表す。
ヨウ素価:油のヨウ素価はヨウ素クロリド法で決定し、gヨウ素/100g油として表す。
Claims (10)
- 担体としてのアルミナと、担体の表面にエッグシェル状に分布した活性成分としてのパラジウムとを有する、選択的水素化触媒であって、触媒の総重量に基づいて、
活性成分として0.2〜0.5重量%のPdと;
助剤として2〜8重量%のランタン及び/又はセリウムと;
2〜8重量%のアルカリ土類金属と;
0〜2.0重量%のAg及び/又はKと;を含むことを特徴とし、
前記触媒が0.07〜0.15mmのシェル厚、70〜150m2/gの比表面積、0.3〜0.6ml/gの細孔容積を有し、前記担体の結晶形がθ型、又はα型が15%未満のθ、α混合型である、選択的水素化触媒。 - アルカリ土類金属がカルシウム、マグネシウム、ストロンチウム及びバリウムの1つ以上である請求項1記載の選択的水素化触媒。
- 触媒中のアルカリ土類金属が3〜6重量%の量である、請求項1記載の選択的水素化触媒。
- 触媒が80〜120m2/gの比表面積を有する請求項1記載の選択的水素化触媒。
- 触媒中のPdが0.2〜0.4重量%の量である請求項1記載の選択的水素化触媒。
- 触媒中のランタン及び/又はセリウムが2〜6重量%の量である請求項1記載の選択的水素化触媒。
- 触媒中のAg及び/又はKの添加量が0.4〜1.7重量%である請求項1記載の選択的水素化触媒。
- 活性成分が含浸によって添加され、パラジウムの添加に先だって、アルカリ土類金属、ランタン及び/又はセリウムが添加されることを特徴とする、請求項1に記載の選択的水素化触媒を製造するための方法。
- アルカリ土類金属、ランタン及び/又はセリウムが、θ型又はθ、α混合型のアルミナの形成に先だって添加されることを特徴とする、請求項1に記載の選択的水素化触媒を製造するための方法。
- アルカリ土類金属元素、ランタン及び/又はセリウムの可溶性塩を水に溶解して溶液を形成させることと;
担体に前記溶液を含浸させることと;
40〜120℃で乾燥することと;
900〜1100℃で4〜6時間か焼することによって、アルカリ土類金属元素、ランタン及び/又はセリウムを含有するθ型又はθ、α混合型のアルミナ担体を形成させることと;
θ型又はθ、α混合型の前記アルミナ担体に、貴金属パラジウムを含有する塩溶液と混和する液体を予備含浸させることと;
次に、θ型又はθ、α混合型の予備含浸済アルミナ担体に、貴金属パラジウムを含有する塩溶液を含浸させることと;
得られた含浸済アルミナ担体を洗浄し、乾燥することと;
350〜500℃で2〜4時間か焼することによって、触媒生成物を得ることとを含むこと;を特徴とする、請求項1に記載の選択的水素化触媒を製造するための方法。
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