JP2009520674A - 金属硝酸塩転化法 - Google Patents
金属硝酸塩転化法 Download PDFInfo
- Publication number
- JP2009520674A JP2009520674A JP2008546563A JP2008546563A JP2009520674A JP 2009520674 A JP2009520674 A JP 2009520674A JP 2008546563 A JP2008546563 A JP 2008546563A JP 2008546563 A JP2008546563 A JP 2008546563A JP 2009520674 A JP2009520674 A JP 2009520674A
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- JP
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- Prior art keywords
- metal
- oxide
- supported
- nitrate
- catalyst
- 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.)
- Granted
Links
- 229910001960 metal nitrate Inorganic materials 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 55
- 238000006243 chemical reaction Methods 0.000 title description 14
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 81
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 68
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 68
- 239000003054 catalyst Substances 0.000 claims abstract description 58
- 239000007789 gas Substances 0.000 claims abstract description 43
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 24
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000001301 oxygen Substances 0.000 claims abstract description 12
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 12
- 239000012018 catalyst precursor Substances 0.000 claims abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 57
- 229910000480 nickel oxide Inorganic materials 0.000 claims description 40
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 claims description 39
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical group [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 claims description 38
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 36
- 229910000428 cobalt oxide Inorganic materials 0.000 claims description 36
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 29
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 27
- 229910052739 hydrogen Inorganic materials 0.000 claims description 27
- 239000001257 hydrogen Substances 0.000 claims description 27
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- 239000000377 silicon dioxide Substances 0.000 claims description 25
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical group [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 24
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 24
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 20
- 238000005984 hydrogenation reaction Methods 0.000 claims description 16
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 15
- 229910052759 nickel Inorganic materials 0.000 claims description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims description 15
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- 239000000203 mixture Substances 0.000 claims description 13
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- 229910052734 helium Inorganic materials 0.000 claims description 12
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 12
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- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 7
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- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 5
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- 229910000431 copper oxide Inorganic materials 0.000 claims description 5
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- 229910052786 argon Inorganic materials 0.000 claims description 3
- 229910002001 transition metal nitrate Inorganic materials 0.000 claims description 3
- 229910000323 aluminium silicate Inorganic materials 0.000 claims description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 2
- MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical compound [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
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- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
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- 238000004375 physisorption Methods 0.000 description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 238000000851 scanning transmission electron micrograph Methods 0.000 description 6
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 5
- 238000001000 micrograph Methods 0.000 description 5
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 5
- 239000008188 pellet Substances 0.000 description 5
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- 239000000741 silica gel Substances 0.000 description 5
- 229910002651 NO3 Inorganic materials 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 4
- 239000011651 chromium Substances 0.000 description 4
- 229910001981 cobalt nitrate Inorganic materials 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 238000003795 desorption Methods 0.000 description 4
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- 239000011572 manganese Substances 0.000 description 4
- 150000002823 nitrates Chemical class 0.000 description 4
- 229910052763 palladium Inorganic materials 0.000 description 4
- 229910052697 platinum Inorganic materials 0.000 description 4
- 239000010948 rhodium Substances 0.000 description 4
- 229910052707 ruthenium Inorganic materials 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910020599 Co 3 O 4 Inorganic materials 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 229910052741 iridium Inorganic materials 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 235000019198 oils Nutrition 0.000 description 3
- 229910052703 rhodium Inorganic materials 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 229920002994 synthetic fiber Polymers 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910001963 alkali metal nitrate Inorganic materials 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000003426 co-catalyst Substances 0.000 description 2
- 238000011067 equilibration Methods 0.000 description 2
- 238000004817 gas chromatography Methods 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 150000002825 nitriles Chemical class 0.000 description 2
- 229910052702 rhenium Inorganic materials 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
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- 238000005245 sintering Methods 0.000 description 2
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- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 1
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- QSHYGLAZPRJAEZ-UHFFFAOYSA-N 4-(chloromethyl)-2-(2-methylphenyl)-1,3-thiazole Chemical compound CC1=CC=CC=C1C1=NC(CCl)=CS1 QSHYGLAZPRJAEZ-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 238000004438 BET method Methods 0.000 description 1
- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical class C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 description 1
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- 239000005909 Kieselgur Substances 0.000 description 1
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Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G1/00—Methods of preparing compounds of metals not covered by subclasses C01B, C01C, C01D, or C01F, in general
- C01G1/02—Oxides
-
- 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
-
- 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
- B01J23/74—Iron group metals
- B01J23/75—Cobalt
-
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Abstract
Description
金属硝酸塩は、比較的低コストで、製造が容易な為、有用な金属酸化物前駆体である。これらは多くの場合、触媒又は吸着剤の製造において、対応する金属酸化物に転化される。触媒又は吸着剤の製造において、典型的には1種又は2種以上の可溶性の金属硝酸塩が、適切な支持物質に含浸され、乾燥されて溶媒が留去される。次いで、この含浸された支持体は、通常、多くの場合、か焼と呼ばれる工程において、空気下で金属硝酸塩の分解温度以上の高温まで加熱され、金属酸化物を形成する。しかし、このような方法により、常に満足のいく酸化物が得られるわけではない。特に、金属酸化物が還元可能な金属酸化物の場合、金属酸化物の結晶子の分散及び分布、そしてこれらの工程で得られた還元された金属は、多くの場合低品質である。
このように、本発明の方法は、窒素酸化物を含み酸素含有量が5体積%未満である混合ガスを担持金属硝酸塩上に通過させること、及び、この混合ガスに暴露された金属硝酸塩を少なくともその分解温度まで加熱すること、を含む。故に、本発明において、窒素酸化物は金属硝酸塩の分解によって生成しないが、分解中に金属硝酸塩が暴露される混合ガス流中に窒素酸化物が存在するべきである。
金属硝酸塩が金属酸化物を形成する金属硝酸塩の分解温度にまで、又は所望により分解温度以上にまで加熱することにより、金属硝酸塩は加熱により分解される。この加熱ステップは、金属硝酸塩から対応する金属酸化物への物理化学的転化を引き起こすという点で、乾燥(主に溶媒を除去する働きをする)と異なる。本発明の方法において、担持金属硝酸塩は、所望により、乾燥し、加熱して分解することを単一の操作で行うことができることが理解されるであろう。金属硝酸塩の分解を引き起こすために、金属硝酸塩が加熱される温度は100℃から1200℃の範囲であり得るが、酸化物の焼結を最小限にすると同時に硝酸塩を酸化物に転化することを確保するため、この温度は、好ましくは、200℃から600℃の範囲である。この範囲で、例えば、200℃から450℃の間、特に200℃から300℃の間の低い温度でのか焼により、より小さな金属酸化物結晶子が得られ得ることが分かった。しかし、支持体上又は支持体と共に、スピネル又はペロブスカイト酸化物相が形成されることが望まれる場合、500℃から1200℃の範囲の温度を用いることが望ましいであろう。担持金属硝酸塩がこれらの範囲の温度である時間は、好ましくは16時間未満であり、より好ましくは8時間未満である。例えば、4時間以下、特に2時間以下の短いか焼時間が最も好ましい。
実施例1:SBA−15担持酸化ニッケル及び酸化コバルト
初期湿潤含浸ステップを、SBA−15粉末(BET表面積=637m2g−1、全細孔容積=0.80cm3g−1)上で、種々濃度の硝酸コバルト(II)又は硝酸ニッケル(II)水溶液で行い、15重量%のCo/SiO2(試料A)並びに12及び20重量%のNi/SiO2(試料B及び試料C)を得た。15分の平衡時間の後、該試料を、1℃分−1の加熱速度で、25℃から試料Aについては最終温度70℃まで、試料B及びCについては最終温度120℃まで加熱することにより、含浸固体を乾燥させた。該試料を720分間最終温度に保った。少量(60mg)の試料A、B及びCに、栓流(plug flow)反応器(直径1cm、長さ17cm)において、1体積%窒素酸化物(NO)を含むヘリウム流中で又は空気中で(すなわち、か焼)、加熱速度1℃分−1で25℃から450℃まで加熱し、そして450℃で240分間保って、第二の熱処理を加えた。1体積%の窒素酸化物(NO)を含むヘリウムガス流中において本発明に従って熱処理した該試料をA−1、B−1及びC−1と名付け、一方、本発明に従わない空気か焼試料をA−2、B−2及びC−2と表示した。調製用の条件を表1から表3にまとめる。
Davicat SI 1404シリカゲル(BET表面積=540m2g−1、全細孔容積=0.90cm3g−1)を、水溶液により、コバルト(II)硝酸塩又はニッケル(II)硝酸塩で含浸し、18重量%のCo/SiO2(試料D)又は24重量%のNi/SiO2(試料E)を得た。15分間のエイジング後、試料D及び試料Eを実施例1で用いたものと同様の熱処理を用いて乾燥させた。少量(100mg)の試料D及びEに、栓流反応器(直径1cm、長さ17cm)において、1体積%窒素酸化物(NO)を含むヘリウム流中で、又は空気中で、加熱速度1℃分−1で25℃から450℃まで加熱し、そして450℃で240分間保って、第二の熱処理を加えた。次に、これらの試料をヘリウムの下で25℃まで冷却した。1体積%の窒素酸化物(NO)を含むヘリウムガス流中において本発明に従って熱処理した該試料D及びEをD−1及びE−1と名付ける一方、本発明に従わない、空気流中でか焼した部分をD−2及びE−2と表示した。調製用の条件を表2、3、及び5にまとめる。これらの試料は、XRD及びSTEMを用いることで特性が明らかになった。
実施例2のシリカゲル上の酸化コバルト触媒試料D−1について、一酸化炭素及び水素の混合物から炭化水素を調製する際の触媒活性を試験した。試験の前に、該試料は、33体積%の水素を含有するヘリウムガス流中で、120分間450℃で還元された。還元条件は表7にまとめた。
シリカゲル上の酸化コバルト触媒の少量(およそ20mg)について、一酸化炭素及び水素の混合物から炭化水素を調製する際の触媒活性を試験した。実施例2に記載されるように、触媒は本発明に従い(試料D−1)、又は従来の空気中のか焼により(試料D−2)調製された。試験の前に、これらの試料は、異なる終温度及び33体積%の水素を含むヘリウムガス流を用いて120分間、その場で還元した。これらの試料は室温から終温度まで5℃分−1の加熱速度を用いて加熱した。還元条件の詳細は表8にまとめた。D−1の一連の試料は、最終還元温度350℃、400℃、450℃、500℃、550℃及び600℃を用いて作製された。D−2の一連の試料は、最終還元温度350℃、450℃及び550℃を用いて調製された。
24重量%ニッケル担持シリカ触媒を、実施例2に記載された本発明の方法に従って調製した(触媒E−1)。必要とされる触媒の量をガラス容器に量り入れ、大気圧の水素ガス圧力下400℃〜450℃で1時間還元した。該還元された触媒は、水素化試験のために大豆油の中へ移された。
実施例6:コバルト担持アルミナ触媒
20重量%コバルト担持アルミナ触媒を以下のように調製した。20.05gのγ−アルミナ粉末(BET148m2/g、細孔容積1.04ml/g)を、25.04gのCo(NO3)26(H2O)及び4.95gの脱イオン化した水を含む加熱した溶液を用いて初期湿潤含浸法により含浸した。該含浸された粉末を30分間110℃で乾燥し、次いで1体積%のNOを含むヘリウム流(35L/時及び40L/時の流速)の下、240℃で1時間(加熱速度2℃/分)か焼した。比較のため、か焼を、対応する空気流の下で行った。XRD測定をか焼した該材料について行い、酸化コバルト結晶の大きさを測定した。本発明の触媒前駆体はまた、水素を用いて425℃での還元も行い、コバルトの表面積を、公知の方法に従い、150℃での水素の化学吸着を用いて測定した。結果を表10に示す。
この実験は、欧州特許第0421502号の開示に対する、本発明の有効性を示すために行った。
Claims (18)
- 一酸化窒素を含み5体積%未満の酸素含有量を有した混合ガスの下で、金属硝酸塩を、それ自体が分解するように加熱することを含む、担持金属硝酸塩を対応する担持金属酸化物に転化する方法。
- 金属硝酸塩が溶液から支持物質に含浸され、乾燥されて前記溶媒が取り除かれた後、前記金属硝酸塩が加熱され、前記金属硝酸塩を対応する金属酸化物に転化させる、請求項1に記載の方法。
- 前記混合ガスが、1種又は2種以上の不活性ガス及び一酸化窒素を含有する、請求項1又は2に記載の方法。
- 前記不活性ガスが、窒素、ヘリウム又はアルゴンから選択される、請求項3に記載の方法。
- 前記混合ガス中の一酸化窒素濃度が0.001〜15体積%の範囲にある、請求項1乃至4のいずれか一項に記載の方法。
- 前記担持金属硝酸塩が100℃〜1200℃の範囲の温度まで加熱される、請求項1乃至5のいずれか一項に記載の方法。
- 前記金属硝酸塩が遷移金属硝酸塩である、請求項1乃至6のいずれか一項に記載の方法。
- 前記金属硝酸塩が、ニッケル、コバルト、銅、又は鉄の硝酸塩である、請求項1乃至7のいずれか一項に記載の方法。
- 前記支持体が、金属、炭素、金属酸化物、混合金属酸化物又は固体ポリマー支持体である、請求項1乃至8のいずれか一項に記載の方法。
- 前記支持体が、アルミナ、金属アルミン酸塩、シリカ、アルミノケイ酸塩、チタニア、ジルコニア又はこれらの混合物から選択される、請求項1乃至9のいずれか一項に記載の方法。
- 前記担持金属酸化物が還元できる金属酸化物であり、該担持金属酸化物を還元ガス流下で加熱して該金属酸化物の少なくとも一部を還元することを更に含む、請求項1乃至10のいずれか一項に記載の方法。
- 前記還元ガス流が一酸化炭素及び/又は水素を含む、請求項11に記載の方法。
- 前記担持金属酸化物が、酸化ニッケル、酸化コバルト、酸化銅又は酸化鉄であり、前記還元は水素含有ガスで行われる、請求項11又は12に記載の方法。
- 請求項1乃至10のいずれか一項に記載の方法により得られる担持酸化物。
- 請求項11乃至13のいずれか一項に記載の方法により得られる担持還元金属酸化物。
- 請求項1乃至10のいずれか一項に記載の方法に従って調製された担持酸化物の、触媒、触媒前駆体又は吸着剤としての使用。
- 請求項11乃至13のいずれか一項に記載の方法に従って調製された担持還元金属酸化物の触媒又は吸着剤としての使用。
- 前記還元金属酸化物が水素化触媒又はフィッシャー・トロプシュ触媒である、請求項17に記載の使用。
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