CN110639547A - 一种用于甲烷氧化制醇类产物的铱基多相复合氧化物催化剂及其制备方法 - Google Patents
一种用于甲烷氧化制醇类产物的铱基多相复合氧化物催化剂及其制备方法 Download PDFInfo
- Publication number
- CN110639547A CN110639547A CN201910852878.0A CN201910852878A CN110639547A CN 110639547 A CN110639547 A CN 110639547A CN 201910852878 A CN201910852878 A CN 201910852878A CN 110639547 A CN110639547 A CN 110639547A
- Authority
- CN
- China
- Prior art keywords
- iridium
- composite oxide
- catalyst
- based multi
- carrier
- 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.)
- Pending
Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 239000003054 catalyst Substances 0.000 title claims abstract description 52
- 229910052741 iridium Inorganic materials 0.000 title claims abstract description 43
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 title claims abstract description 43
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000002131 composite material Substances 0.000 title claims abstract description 30
- 230000003647 oxidation Effects 0.000 title claims abstract description 24
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title abstract description 14
- 239000000956 alloy Substances 0.000 claims abstract description 29
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 29
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000010949 copper Substances 0.000 claims abstract description 20
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 20
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000002245 particle Substances 0.000 claims abstract description 19
- 238000001354 calcination Methods 0.000 claims abstract description 18
- 229910052802 copper Inorganic materials 0.000 claims abstract description 17
- 239000002808 molecular sieve Substances 0.000 claims abstract description 17
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052737 gold Inorganic materials 0.000 claims abstract description 16
- 239000010931 gold Substances 0.000 claims abstract description 16
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 16
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 16
- 229910052707 ruthenium Inorganic materials 0.000 claims abstract description 16
- 229910052709 silver Inorganic materials 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 239000005751 Copper oxide Substances 0.000 claims abstract description 12
- 229910000431 copper oxide Inorganic materials 0.000 claims abstract description 12
- 239000010944 silver (metal) Substances 0.000 claims abstract description 12
- 238000011068 loading method Methods 0.000 claims abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 5
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims abstract description 4
- HTXDPTMKBJXEOW-UHFFFAOYSA-N dioxoiridium Chemical compound O=[Ir]=O HTXDPTMKBJXEOW-UHFFFAOYSA-N 0.000 claims abstract description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910000457 iridium oxide Inorganic materials 0.000 claims abstract description 4
- 239000004332 silver Substances 0.000 claims abstract description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 25
- 229910052751 metal Inorganic materials 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 22
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 16
- 238000005406 washing Methods 0.000 claims description 10
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 9
- 239000002243 precursor Substances 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 150000005846 sugar alcohols Polymers 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 5
- -1 Beta Chemical compound 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000011065 in-situ storage Methods 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- 238000003786 synthesis reaction Methods 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
- 229910002651 NO3 Inorganic materials 0.000 claims description 2
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N nitrate group Chemical group [N+](=O)([O-])[O-] NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 2
- 229920005862 polyol Polymers 0.000 claims description 2
- 150000003077 polyols Chemical class 0.000 claims description 2
- 230000009467 reduction Effects 0.000 claims description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract description 72
- 230000003197 catalytic effect Effects 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 2
- 239000002105 nanoparticle Substances 0.000 description 11
- 239000013148 Cu-BTC MOF Substances 0.000 description 9
- NOSIKKRVQUQXEJ-UHFFFAOYSA-H tricopper;benzene-1,3,5-tricarboxylate Chemical compound [Cu+2].[Cu+2].[Cu+2].[O-]C(=O)C1=CC(C([O-])=O)=CC(C([O-])=O)=C1.[O-]C(=O)C1=CC(C([O-])=O)=CC(C([O-])=O)=C1 NOSIKKRVQUQXEJ-UHFFFAOYSA-H 0.000 description 9
- 239000000243 solution Substances 0.000 description 8
- 101100135888 Mus musculus Pdia5 gene Proteins 0.000 description 5
- 229910021132 PdIr Inorganic materials 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- QMKYBPDZANOJGF-UHFFFAOYSA-N benzene-1,3,5-tricarboxylic acid Chemical compound OC(=O)C1=CC(C(O)=O)=CC(C(O)=O)=C1 QMKYBPDZANOJGF-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 2
- OPQARKPSCNTWTJ-UHFFFAOYSA-L copper(ii) acetate Chemical compound [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920006316 polyvinylpyrrolidine Polymers 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- YBCAZPLXEGKKFM-UHFFFAOYSA-K ruthenium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[Ru+3] YBCAZPLXEGKKFM-UHFFFAOYSA-K 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- FHKNFXAIEAYRKQ-UHFFFAOYSA-N [Cu].[Ir] Chemical compound [Cu].[Ir] FHKNFXAIEAYRKQ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910000428 cobalt oxide Inorganic materials 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000002109 crystal growth method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000012621 metal-organic framework Substances 0.000 description 1
- 108010009977 methane monooxygenase Proteins 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 238000005232 molecular self-assembly Methods 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910001388 sodium aluminate Inorganic materials 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 238000000629 steam reforming Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- DANYXEHCMQHDNX-UHFFFAOYSA-K trichloroiridium Chemical compound Cl[Ir](Cl)Cl DANYXEHCMQHDNX-UHFFFAOYSA-K 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/8926—Copper and noble metals
-
- 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
- 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
- B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
- B01J29/42—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing iron group metals, noble metals or copper
- B01J29/46—Iron group metals or copper
-
- 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
- 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
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
- B01J29/76—Iron group metals or copper
- B01J29/7615—Zeolite Beta
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/48—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by oxidation reactions with formation of hydroxy groups
- C07C29/50—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by oxidation reactions with formation of hydroxy groups with molecular oxygen only
-
- 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
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/10—After treatment, characterised by the effect to be obtained
- B01J2229/20—After treatment, characterised by the effect to be obtained to introduce other elements in the catalyst composition comprising the molecular sieve, but not specially in or on the molecular sieve itself
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
本发明公开了一种用于甲烷氧化制醇类产物的铱基多相复合氧化物催化剂及其制备方法。所述催化剂由氧化铜或分子筛载体和活性组分铱基多相复合氧化物组成,其中活性组分铱基复合氧化物由氧化铱和钌、金、钯、银、铂、铜或者它们的氧化物中的至少一种组合而成。所述催化剂的制备方法包括:(1)制备MIr合金(M=Ru、Pd、Pt、Au、Ag或Cu)粒子;(2)将步骤(1)中所得的合金粒子分散负载到载体上,在特定气氛中煅烧得到铱基多相复合氧化物催化剂。本发明所述催化剂具有在温和反应条件下催化活性高、催化剂稳定性高、可多次重复循环使用的优点,可有效用于催化甲烷氧化制甲醇和乙醇等醇类产物。
Description
技术领域
本发明涉及甲烷氧化制甲醇等含氧化合物的技术领域,具体地说,涉及用于甲烷氧化制甲醇乙醇等醇类化合物的铱基多相复合氧化物催化剂及其制备方法。
背景技术
我国天然气资源总体比较丰富,但气田分布比较分散、因地理位置或经济因素未能加以有效利用;石油开采得到的石油伴生气也多因采地的限制,未能转化为有效产能。甲醇是常温下的液体有机化学原料和C1化学的核心产品,被视为甲烷转化的理想产物。因此,针对地处偏远内陆和远海的天然气田以及石油伴生气的特点,开发甲烷直接催化氧化制甲醇等醇类产物的工艺技术,对推动边际天然气的长距离运输及深度利用等发展,提高气源的利用率具有十分重要的意义。
现今工业上甲烷制甲醇主要采用两步法:甲烷首先通过蒸汽重整制得合成气,然后利用甲醇合成技术得到甲醇。该工艺过程能耗大,且费用高。开发甲烷一步直接氧化制甲醇可大大降低生产成本,且有望降低能耗。近年来,科学家们受到大自然中甲烷单加氧酶作用的启发,开发系列铜基分子筛催化剂用于甲烷直接氧化制甲醇反应。NatureCommunications 6 (2015) 7546报道了采用Cu-MOR为催化剂进行甲烷直接氧化制甲醇反应,在200 oC的反应条件下,甲醇收率为460 μmol/gcat。中国专利(公开号:CN101875016A)利用分子筛为载体,用浸渍法制备负载氧化铜或氧化铜和贵金属复合活性组分用于甲烷氧化制甲醇。中国专利(公开号:CN110038591A)公开了一种用于甲烷直接氧化制甲醇的铜-铱复合氧化物催化剂,由载体氧化铜和用浸渍法负载在其上的铱的氧化物和助催化剂锌、钴或铁的氧化物组成,在水的存在, 甲烷压力3 bar/空气压力1 bar和反应温度150 oC下,反应时间3小时甲醇收率达到872 μmol/gcat。虽然目前所开发的铜基分子筛催化剂已初步证实了将甲烷直接转化为甲醇思路的可行性,但仍存在甲烷转化率低、甲醇收率低、需要高压反应条件等问题。因此,有必要提供一种可以在温和体系中表现出高活性、高选择性的甲烷氧化制甲醇等含氧化合物催化剂。
发明内容
针对上述甲烷直接氧化制甲醇等含氧化合物催化反应体系中存在的问题,本发明的目的是为了解决传统催化剂活性低的问题,提供一种用于甲烷氧化制甲醇等醇类产物的铱基多相复合氧化物催化剂及其制备方法。
本发明的上述目的是通过以下方案予以实现的:
一种用于甲烷氧化制醇类产物的铱基多相复合氧化物催化剂,该催化剂由金属氧化物或分子筛载体和活性组分铱基多相复合氧化物组成,其中活性组分铱基复合氧化物由氧化铱和钌、金、钯、银、铂、铜或者它们的氧化物中的至少一种组合而成。以催化剂的重量为100%计,第一活性组分组成金属铱的质量百分比为0~20.0%(不包含0)、第二活性组分组成金属的质量百分比为0~10.0%(不包含0),余量为氧化铜或者分子筛载体。
上述用于甲烷氧化制醇类产物的铱基多相复合氧化物催化剂的制备方法包括如下步骤:
(1) 制备MIr合金(M=Ru、Pd、Pt、Au、Ag或Cu)粒子;(2) 将步骤(1)中所得的合金粒子分散负载到载体上,在特定气氛中煅烧得到铱基多相复合氧化物催化剂。
在上述的制备方法中:
步骤(1)中MIr合金(M=Ru、Pd、Pt、Au、Ag或Cu)颗粒的合成采用多元醇还原法:将铱金属前驱体和金属M盐的前驱体加入到多元醇中加热得到;所述的铱金属和M盐的前驱体为其硝酸盐,也可以选用其氯化物或者醋酸盐;所述的多元醇为乙二醇,也可选用丙三醇或其他多元醇。由其它方法,例如分子自组装的方法(Chem Sus Chem 5 (2012) 140,AppliedCatalysis B: Environmental 200(2017)543),获得的MIr合金(M=Ru、Pd、Pt、Au、Ag或Cu)颗粒亦可选用。
步骤(2)所述的催化剂载体包括氧化铜和典型分子筛,如Beta、ZSM-5、MOR和MCM-41等,通过掺杂和离子交换等修饰方法对这些载体改性后亦可作为载体使用。
步骤(2)所述的将MIr合金(M=Ru、Pd、Pt、Au、Ag或Cu)粒子分散负载在载体上的方法包括两类:一是将含有MIr合金(M=Ru、Pd、Pt、Au、Ag或Cu)粒子的溶液直接浸渍负载到载体上,然后洗涤、干燥、在特定气氛中煅烧得到铱基多相复合氧化物催化剂;二是在载体合成过程中直接掺入MIr合金(M=Ru、Pd、Pt、Au、Ag或Cu)粒子,然后水热合成、洗涤、干燥、在特定气氛中煅烧得到铱基多相复合氧化物催化剂。
步骤(2)所述的煅烧气氛为惰性气体(如氮气)或含氧气氛(如空气)中的一种,煅烧温度为150-800 ℃,煅烧时间为1-24 h。优选地,步骤(2)中处理气氛为空气,煅烧温度为500-700 ℃,煅烧时间为1-6 h。
上述的制备方法中所述的氧化铜载体,是由在空气中煅烧金属有机框架材料Cu-BTC获得,Cu-BTC的制备方法,可参照专利CN201611024996,CN201611106646中记载的方法,由其它方法获得的不同形貌的氧化铜亦可选用为载体。
上述的制备方法中所述的分子筛载体是通过原位生长法获得,可参考Angew.Chem. Int. Ed. 56(2017) 9747中记载的方法,由其它方法获得的同种类型的分子筛载体亦可选用为载体。
与现有技术相比,本发明具有以下有益效果:
本发明制备的用于甲烷氧化制甲醇等含氧化合物反应的铱基多相复合氧化物催化剂,具有催化活性高、催化稳定性高、可多次重复循环使用的优点,可有效用于催化甲烷氧化制甲醇和乙醇等醇类产物。
附图说明
图1为实施例1所制备RuIr纳米颗粒的高清透射电镜图(a, b),元素分布面扫(c,d)和元素分布线扫(e,f)。
具体实施方式
下面结合具体实施例对本发明做出进一步地详细阐述,所述实施例只用于解释本发明,并非用于限定本发明的范围。凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明权利要求的保护范围之内。下述实施例中所使用的试验方法如无特殊说明,均为常规方法;所使用的材料、试剂等,如无特殊说明,为可从商业途径得到的试剂和材料。
实施例1:
一种用于甲烷氧化制醇类产物的铱基多相复合氧化物催化剂,以催化剂的重量为100%计,第一活性组分组成金属铱的质量百分比为0.5%、第二活性组分组成金属Ru的质量百分比为0.5%,余量为CuO载体。首先将氯化钌和氯铱酸加入到乙二醇中,加热到160oC保持15分钟,得到黑色RuIr合金纳米颗粒(图1),离心、洗涤后保存在乙醇中。以硝酸铜、聚乙烯吡咯烷酮(k30)和均苯三甲酸的甲醇溶液为Cu-BTC的原料,在制备过程中加入一定量的RuIr合金颗粒乙醇溶液,充分搅拌混合后在室温下静置4小时,实现RuIr合金在Cu-BTC生长过程中的原位负载。将得到的含有RuIr纳米颗粒的Cu-BTC在空气中500 ℃焙烧3小时,得到(RuIr)Ox/CuO催化剂。
实施例2:
一种用于甲烷氧化制醇类产物的铱基多相复合氧化物催化剂,以催化剂的重量为100%计,第一活性组分组成金属铱的质量百分比为0.3%、第二活性组分组成金属Pd的质量百分比为0.7%,余量为CuO载体。首先将氯化钯和氯铱酸加入到乙二醇中,加热到160oC保持15分钟,得到黑色PdIr合金纳米颗粒,离心、洗涤后保存在乙醇中。以硝酸铜、聚乙烯吡咯烷酮(k30)和均苯三甲酸的甲醇溶液为Cu-BTC的原料,在制备过程中加入一定量的PdIr合金颗粒乙醇溶液,充分搅拌混合后在室温下静置4小时,实现PdIr合金颗粒在Cu-BTC生长过程中的原位负载。将得到的含有PdIr合金颗粒Cu-BTC在氮气中600 ℃焙烧2小时,得到(PdIr)Ox/CuO催化剂。
实施例3:
一种用于甲烷氧化制醇类产物的铱基多相复合氧化物催化剂,以催化剂的重量为100%计,第一活性组分组成金属铱的质量百分比为1%、第二活性组分组成金属Cu的质量百分比为5%,余量为Beta分子筛载体。首先将乙酸铜和氯铱酸加入到乙二醇中,加热到160oC保持15分钟,得到黑色CuIr合金纳米颗粒,离心、洗涤后保存在乙醇中。以NaAlO2、NaOH、SiO2为原料,采用晶种生长法制备Beta分子筛,将一定量的CuIr合金纳米颗粒的乙醇溶液加入到上述混合溶液中搅拌均匀后装入晶化釜,于165oC静置3小时,洗涤、干燥,将得到的含有CuIr合金纳米颗粒的Beta分子筛在空气中500 ℃焙烧3小时,得到(CuIr)Ox/Beta催化剂。
实施例4:
一种用于甲烷氧化制醇类产物的铱基多相复合氧化物催化剂,以催化剂的重量为100%计,第一活性组分组成金属铱的质量百分比为0.7%、第二活性组分组成金属Ru的质量百分比为0.3%,余量为CuO载体。首先在空气中600 ℃焙烧Cu-BTC 2小时,得到CuO载体。首先将氯化钌和氯化铱加入到丙三醇中,加热到160oC保持15分钟,得到RuIr合金纳米颗粒,离心、洗涤后保存在乙醇中。然后将CuO浸渍到RuIr合金纳米颗粒的溶液中浸渍过夜、干燥,最后将得到的样品在空气中600 ℃焙烧2小时,得到(RuIr)Ox/CuO催化剂。
实施例5:
一种用于甲烷氧化制醇类产物的铱基多相复合氧化物催化剂,以催化剂的重量为100%计,第一活性组分组成金属铱的质量百分比为1%、第二活性组分组成金属Cu的质量百分比为5%,余量为ZSM-5分子筛载体。首先将乙酸铜和氯铱酸加入到乙二醇中,加热到160oC保持15分钟,得到黑色CuIr合金纳米颗粒,离心、洗涤后保存在乙醇中。然后将HZSM-5分子筛(阿拉丁,硅铝比25-30)浸渍到CuIr合金纳米颗粒的溶液中浸渍过夜、干燥,在空气中700 ℃焙烧3小时,得到(CuIr)Ox/ZSM-5催化剂。
分别取10 mg实施案列1-5所述催化剂,放置于高压反应釜中(内衬容积100 mL)进行实验。实验条件如下:反应釜中加水30 mL, 甲烷压力3 bar, 空气压力1 bar,反应温度均为150 oC,反应时间3小时,反应釜搅拌速率800 r/min。催化剂稳定性测试是在反应结束后,离心分离催化剂并干燥,然后投入到下一轮反应。活性评价结果如表1所示。
表1 催化剂活性评价结果
Claims (7)
1.一种用于甲烷氧化制醇类产物的铱基多相复合氧化物催化剂,其特征在于:催化剂由氧化铜或分子筛载体和活性组分铱基多相复合氧化物组成,其中活性组分铱基复合氧化物由氧化铱和钌、金、钯、银、铂、铜或者它们的氧化物中的至少一种组合而成。以催化剂的重量为100%计,第一活性组分组成金属铱的质量百分比为0~20.0%(不包含0)、第二活性组分组成金属的质量百分比为0~10.0%(不包含0),余量为氧化铜或者分子筛载体。
2.如权利要求1所述的铱基多相复合氧化物催化剂的制备方法,其特征在于包括以下步骤:(1)制备MIr合金(M=Ru、Pd、Pt、Au、Ag或Cu)粒子;(2)将步骤(1)中所得的合金粒子分散负载到载体上,在特定气氛中煅烧原位得到铱基多相复合氧化物催化剂。
3.如权利要求2所述的制备方法,其特征在于:步骤(1)中MIr合金(M=Ru、Pd、Pt、Au、Ag或Cu)颗粒的合成采用多元醇还原法:将铱金属前驱体和金属M盐的前驱体加入到多元醇中加热得到;所述的铱金属和M盐的前驱体为其硝酸盐,也可以选用其氯化物或者醋酸盐;所述的多元醇为乙二醇,也可选用丙三醇或其他多元醇。
4.如权利要求2所述的制备方法,其特征在于:步骤(2)所述的催化剂载体包括氧化铜和典型分子筛,如Beta、ZSM-5、MOR和MCM-41等。
5.如权利要求2所述的制备方法,其特征在于:步骤(2)所述的将MIr合金(M=Ru、Pd、Pt、Au、Ag或Cu)粒子分散负载在载体上的方法包括两种:一是将含有MIr合金(M=Ru、Pd、Pt、Au、Ag或Cu)粒子的溶液直接浸渍负载到载体上,然后洗涤、干燥、在特定气氛中煅烧得到铱基多相复合氧化物催化剂;二是在载体合成过程中直接掺入MIr合金(M=Ru、Pd、Pt、Au、Ag或Cu)粒子,然后水热合成、洗涤、干燥、在特定气氛中煅烧得到铱基多相复合氧化物催化剂。
6.如权利要求2所述的制备方法,其特征在于:步骤(2)所述的煅烧气氛为惰性气体(如氮气)或含氧气氛(如空气)中的一种,煅烧温度为150-800℃,煅烧时间为1-24h。优选地,步骤(2)中处理气氛为空气,煅烧温度为500-700℃,煅烧时间为1-6h。
7.权利要求1-6所述的铱基多相复合氧化物催化剂在甲烷直接氧化制醇类产物反应中的应用。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910852878.0A CN110639547A (zh) | 2019-09-10 | 2019-09-10 | 一种用于甲烷氧化制醇类产物的铱基多相复合氧化物催化剂及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910852878.0A CN110639547A (zh) | 2019-09-10 | 2019-09-10 | 一种用于甲烷氧化制醇类产物的铱基多相复合氧化物催化剂及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110639547A true CN110639547A (zh) | 2020-01-03 |
Family
ID=68991824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910852878.0A Pending CN110639547A (zh) | 2019-09-10 | 2019-09-10 | 一种用于甲烷氧化制醇类产物的铱基多相复合氧化物催化剂及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110639547A (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111763136A (zh) * | 2020-06-17 | 2020-10-13 | 中山大学 | 一种含磺酰基离子液体在甲烷制甲醇和乙醇反应体系中的应用 |
CN113663735A (zh) * | 2021-09-16 | 2021-11-19 | 沈阳师范大学 | 一种表面疏水化的变价铜基金属有机框架催化剂及其制备方法和应用 |
CN116272968A (zh) * | 2022-09-07 | 2023-06-23 | 中山大学 | 一种碳载Ir催化剂及其制备方法和应用 |
CN117623907A (zh) * | 2023-11-29 | 2024-03-01 | 云南弘盛铂业新材料科技有限公司 | 一种醋酸铱的制备方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040175327A1 (en) * | 2002-12-20 | 2004-09-09 | Alfred Hagemeyer | Catalyst formulations containing group 11 metals for hydrogen generation |
CN101279271A (zh) * | 2007-04-06 | 2008-10-08 | 中国石油天然气股份有限公司 | 用于甲烷催化部分氧化制备合成气的催化剂及其制备方法 |
US20080277316A1 (en) * | 2007-05-07 | 2008-11-13 | Carter Technologies | Catalytic conversion of methane and natural gas to condensable hydrocarbons |
CN101875016A (zh) * | 2009-11-19 | 2010-11-03 | 中国海洋石油总公司 | 一种用于甲烷低温氧化制备甲醇的催化剂及其制备方法与应用 |
CN104492457A (zh) * | 2014-12-15 | 2015-04-08 | 常州大学 | 一种镍铱-氧化物复合催化剂及其制备方法 |
WO2017086817A1 (en) * | 2015-11-16 | 2017-05-26 | Instituto Superior Técnico | Carbon dioxide and methane conversion process in methanol using intermetallic compounds or oxide derivatives containing copper and f-block elements as catalysts |
CN108602741A (zh) * | 2015-11-10 | 2018-09-28 | 塔夫茨大学 | 甲烷向含氧物的氧化转化 |
CN110038591A (zh) * | 2019-05-28 | 2019-07-23 | 中山大学 | 一种用于甲烷氧化制甲醇的铜-铱复合氧化物催化剂 |
-
2019
- 2019-09-10 CN CN201910852878.0A patent/CN110639547A/zh active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040175327A1 (en) * | 2002-12-20 | 2004-09-09 | Alfred Hagemeyer | Catalyst formulations containing group 11 metals for hydrogen generation |
CN101279271A (zh) * | 2007-04-06 | 2008-10-08 | 中国石油天然气股份有限公司 | 用于甲烷催化部分氧化制备合成气的催化剂及其制备方法 |
US20080277316A1 (en) * | 2007-05-07 | 2008-11-13 | Carter Technologies | Catalytic conversion of methane and natural gas to condensable hydrocarbons |
CN101875016A (zh) * | 2009-11-19 | 2010-11-03 | 中国海洋石油总公司 | 一种用于甲烷低温氧化制备甲醇的催化剂及其制备方法与应用 |
CN104492457A (zh) * | 2014-12-15 | 2015-04-08 | 常州大学 | 一种镍铱-氧化物复合催化剂及其制备方法 |
CN108602741A (zh) * | 2015-11-10 | 2018-09-28 | 塔夫茨大学 | 甲烷向含氧物的氧化转化 |
WO2017086817A1 (en) * | 2015-11-16 | 2017-05-26 | Instituto Superior Técnico | Carbon dioxide and methane conversion process in methanol using intermetallic compounds or oxide derivatives containing copper and f-block elements as catalysts |
CN110038591A (zh) * | 2019-05-28 | 2019-07-23 | 中山大学 | 一种用于甲烷氧化制甲醇的铜-铱复合氧化物催化剂 |
Non-Patent Citations (1)
Title |
---|
DR. MOHD HASBI AB RAHIM ET AL.: "Oxidation of Methane to Methanol with Hydrogen Peroxide Using Supported Gold–Palladium Alloy Nanoparticles", 《ANGEWANDTE COMMUNICATIONS》 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111763136A (zh) * | 2020-06-17 | 2020-10-13 | 中山大学 | 一种含磺酰基离子液体在甲烷制甲醇和乙醇反应体系中的应用 |
CN113663735A (zh) * | 2021-09-16 | 2021-11-19 | 沈阳师范大学 | 一种表面疏水化的变价铜基金属有机框架催化剂及其制备方法和应用 |
CN113663735B (zh) * | 2021-09-16 | 2023-07-14 | 沈阳师范大学 | 一种表面疏水化的变价铜基金属有机框架催化剂及其制备方法和应用 |
CN116272968A (zh) * | 2022-09-07 | 2023-06-23 | 中山大学 | 一种碳载Ir催化剂及其制备方法和应用 |
CN116272968B (zh) * | 2022-09-07 | 2024-01-30 | 中山大学 | 一种碳载Ir催化剂及其制备方法和应用 |
CN117623907A (zh) * | 2023-11-29 | 2024-03-01 | 云南弘盛铂业新材料科技有限公司 | 一种醋酸铱的制备方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110639547A (zh) | 一种用于甲烷氧化制醇类产物的铱基多相复合氧化物催化剂及其制备方法 | |
CN108097316B (zh) | 一种负载纳米金属颗粒的MOFs纳米材料的制备方法 | |
CN111085241B (zh) | 一种硝基苯加氢制备苯胺的方法及其催化剂的制备方法 | |
CN113398924A (zh) | 一种金属催化剂及其制备和应用 | |
CN107935816B (zh) | 一种催化愈创木酚加氢脱氧制备环己醇的方法 | |
CN105618095B (zh) | 多孔纳米碳化硅负载铂催化剂及制备和在α,β-不饱和醛选择加氢反应中的应用 | |
CN101966460B (zh) | 用于合成碳酸二甲酯的负载型催化剂的使用方法 | |
CN103874540A (zh) | 用于h2o2合成的催化剂及制备此种催化剂的方法 | |
CN108623436B (zh) | 一种一锅法转化纤维素为生物乙醇的方法 | |
CN111644197A (zh) | 低温甲烷转化制芳烃的催化体系、制备方法及应用 | |
CN108047123B (zh) | 用RuNi/N-CNTs催化剂催化合成9-乙基四氢咔唑的方法 | |
CN105582931B (zh) | 混合氧化物载体负载的钴基费托合成催化剂及其制备方法 | |
CN110038591B (zh) | 一种用于甲烷氧化制甲醇的铜-铱复合氧化物催化剂 | |
CN109851473B (zh) | 一种甘油溶液氢解制备1,3-丙二醇的方法 | |
CN108126701B (zh) | 一种合成气催化转化催化剂及其制备方法 | |
CN107617446B (zh) | 一种合成气直接转化制汽油馏分烃的催化剂及其制备和应用 | |
CN111215128A (zh) | 用于调控co2加氢目标产物为汽油的催化剂及其制备方法 | |
CN111217660A (zh) | 一种由异戊二烯和1,4-苯醌制备2,6-二甲基蒽的方法 | |
CN111253230B (zh) | 一种水相催化5-羟甲基糠醛加氢制备3-羟甲基环戊酮的方法 | |
CN109894131B (zh) | 一种对苯二甲酸二甲酯(dmt)加氢催化剂及其制备方法 | |
CN102350361A (zh) | 间二硝基苯加氢合成间苯二胺镍基结构化催化剂及其制法 | |
CN113457724A (zh) | 一种合成气与苯直接转化制甲苯联产二苯基甲烷的双功能催化剂及其制备方法和应用 | |
CN110773194A (zh) | 一种co2加氢制甲烷催化剂及其制备方法 | |
CN107303506B (zh) | 一种石蜡烃择型异构化催化剂的预处理方法 | |
CN102441392B (zh) | 一种低成本高活性钴基费托合成催化剂的制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200103 |