JP2001300328A5 - - Google Patents

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JP2001300328A5
JP2001300328A5 JP2000121478A JP2000121478A JP2001300328A5 JP 2001300328 A5 JP2001300328 A5 JP 2001300328A5 JP 2000121478 A JP2000121478 A JP 2000121478A JP 2000121478 A JP2000121478 A JP 2000121478A JP 2001300328 A5 JP2001300328 A5 JP 2001300328A5
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oxide carrier
oxide
silica
hydrogenation catalyst
pore volume
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JP2000121478A
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Japanese (ja)
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JP4411740B2 (en
JP2001300328A (en
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【特許請求の範囲】
【請求項1】 酸化物担体と酸化物担体の重量に対して0.1〜10重量%の金属活性種から本質的になる担持触媒であって、細孔容積−細孔直径分布曲線において細孔直径が10nm以上の領域に細孔容積のピークが存在する細孔分布を有し、メジアン径変化率が4%以下であること、前記酸化物担体が、シリカ、アルミナ、チタニア、ジルコニア、シリカ・アルミナ複合酸化物、シリカ・チタニア複合酸化物、シリカ・アルミナ・チタニア複合酸化物及びこれらの物理的混合物からなる群より選ばれた少なくとも一の酸化物であり、かつ0.2〜2.0ml/gの全細孔容積を有すること、および、前記金属活性種が、ルテニウム化合物、ロジウム化合物、パラジウム化合物及び白金化合物からなる群より選ばれた少なくとも一の白金族金属化合物由来であることを特徴とする特徴とするアントラキノン類の水素化触媒。
【請求項2】 細孔直径が10〜80nmの領域に前記細孔容積のピークが存在することを特徴とする請求項1記載のアントラキノン類の水素化触媒。
【請求項3】 前記細孔容積−細孔直径分布曲線において、細孔直径が10nm以上である領域の全領域に対する面積割合が75%以上であることを特徴とする請求項1又は2記載のアントラキノン類の水素化触媒。
【請求項4】 前記酸化物担体が、少なくとも無定形シリカを含み、かつ0.2〜2.0ml/gの全細孔容積を有することを特徴とする請求項1〜3のいずれかに記載のアントラキノン類の水素化触媒。
【請求項5】 酸化物担体と酸化物担体の重量に対して0.1〜10重量%の金属から本質的になるアントラキノン類の水素化触媒を製造する方法であり、金属化合物を酸化物担体に担持するのと同時に、又は、担持した後に、酸化物担体を水媒体で接触処理してpH6.0〜11.0の水媒体を酸化物担体に存在させる工程と、これに引き続く50℃以上の乾燥温度、酸化物担体の重量に対して0.55ml/(g・h)以下の平均蒸発速度で酸化物担体中に残存する水媒体を蒸発させる乾燥処理工程を含むこと、前記酸化物担体が、シリカ、アルミナ、チタニア、ジルコニア、シリカ・アルミナ複合酸化物、シリカ・チタニア複合酸化物、シリカ・アルミナ・チタニア複合酸化物及びこれらの物理的混合物からなる群より選ばれた少なくとも一の酸化物であり、かつ0.2〜2.0ml/gの全細孔容積を有すること、および、前記金属化合物が、ルテニウム化合物、ロジウム化合物、パラジウム化合物及び白金化合物からなる群より選ばれた少なくとも一の白金族金属化合物であることを特徴とするアントラキノン類の水素化触媒の製造方法。
【請求項6】 担持触媒製造時に平均細孔直径を変化させることを特徴とする請求項5記載の製造方法。
【請求項7】 平均細孔直径変化率が20%以上であることを特徴とする請求項6記載の製造方法。
【請求項8】 前記酸化物担体が、少なくとも無定形シリカを含み、かつ0.2〜2.0ml/gの全細孔容積を有することを特徴とする請求項5〜7のいずれかに記載の製造方法。
【請求項9】 前記残存する水媒体のpHを、7.0〜10.5にすることを特徴とする請求項5〜8のいずれかに記載の製造方法。
【請求項10】 前記乾燥温度が80℃〜150℃であることを特徴とする請求項5〜9のいずれかに記載の製造方法。
【請求項11】 前記残存する水媒体の量が、酸化物担体の全細孔容積に対して0.5〜1.5倍であることを特徴とする請求項5〜10のいずれかに記載の製造方法。
【請求項12】 アントラキノン法による過酸化水素の製造方法であって、請求項1〜4のいずれかに記載の水素化触媒、又は、請求項5〜11のいずれかに記載の製造方法により製造した水素化触媒の存在下でアントラキノン類の水素化反応を行うことを特徴とする過酸化水素の製造方法。
[Claims]
1. A supported catalyst consisting essentially of an oxide carrier and 0.1 to 10% by weight of a metal active species with respect to the weight of the oxide carrier, the catalyst being fine in a pore volume-pore diameter distribution curve. It has a pore distribution having a pore volume peak in a region having a pore diameter of 10 nm or more, a median diameter change rate of 4% or less, and the oxide carrier is made of silica, alumina, titania, zirconia, or silica. Alumina composite oxide, silica-titania composite oxide, at least one oxide selected from the group consisting of silica-alumina-titania composite oxide and a physical mixture thereof, and 0.2 to 2.0 ml / G, and the metal active species is at least one platinum group metal selected from the group consisting of ruthenium compounds, rhodium compounds, palladium compounds and platinum compounds A hydrogenation catalyst for anthraquinones, which is derived from a genus compound.
2. The anthraquinone hydrogenation catalyst according to claim 1, wherein the peak of the pore volume exists in a region having a pore diameter of 10 to 80 nm.
3. The pore volume-pore diameter distribution curve according to claim 1, wherein an area ratio of a region having a pore diameter of 10 nm or more to an entire region is 75% or more. Hydrogenation catalyst for anthraquinones.
4. The oxide carrier according to claim 1, wherein the oxide carrier contains at least amorphous silica and has a total pore volume of 0.2 to 2.0 ml / g. Anthraquinones hydrogenation catalyst.
5. A method for producing a hydrogenation catalyst for anthraquinones consisting essentially of 0.1 to 10% by weight of a metal with respect to the weight of an oxide carrier and the oxide carrier, comprising: Simultaneously with or after loading, the oxide carrier is subjected to a contact treatment with an aqueous medium to cause an aqueous medium having a pH of 6.0 to 11.0 to be present on the oxide carrier, followed by 50 ° C. or higher. A drying step of evaporating an aqueous medium remaining in the oxide carrier at an average evaporation rate of 0.55 ml / (g · h) or less based on the weight of the oxide carrier with respect to the weight of the oxide carrier. Is at least one selected from the group consisting of silica, alumina, titania, zirconia, silica-alumina composite oxide, silica-titania composite oxide, silica-alumina-titania composite oxide and a physical mixture thereof. Is an oxide and has a total pore volume of 0.2 to 2.0 ml / g, and the metal compound is selected from the group consisting of a ruthenium compound, a rhodium compound, a palladium compound, and a platinum compound. A method for producing a hydrogenation catalyst for anthraquinones, characterized in that the catalyst is at least one platinum group metal compound.
6. The method according to claim 5, wherein the average pore diameter is changed during the production of the supported catalyst.
7. The method according to claim 6, wherein the average pore diameter change rate is 20% or more.
8. The oxide carrier according to claim 5, wherein the oxide carrier contains at least amorphous silica and has a total pore volume of 0.2 to 2.0 ml / g. Manufacturing method.
9. The method according to claim 5, wherein the pH of the remaining aqueous medium is adjusted to 7.0 to 10.5.
10. The method according to claim 5, wherein the drying temperature is 80 ° C. to 150 ° C.
11. The method according to claim 5, wherein the amount of the remaining aqueous medium is 0.5 to 1.5 times the total pore volume of the oxide carrier. Manufacturing method.
12. A method for producing hydrogen peroxide by an anthraquinone method, which is produced by the hydrogenation catalyst according to any one of claims 1 to 4 or the production method according to any one of claims 5 to 11. A hydrogenation reaction of anthraquinones in the presence of a hydrogenation catalyst thus prepared.

JP2000121478A 2000-04-21 2000-04-21 Supported catalyst and method for producing the same Expired - Lifetime JP4411740B2 (en)

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Application Number Priority Date Filing Date Title
JP2000121478A JP4411740B2 (en) 2000-04-21 2000-04-21 Supported catalyst and method for producing the same

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Application Number Priority Date Filing Date Title
JP2000121478A JP4411740B2 (en) 2000-04-21 2000-04-21 Supported catalyst and method for producing the same

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JP2001300328A JP2001300328A (en) 2001-10-30
JP2001300328A5 true JP2001300328A5 (en) 2007-06-07
JP4411740B2 JP4411740B2 (en) 2010-02-10

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100342966C (en) * 2005-09-06 2007-10-17 南开大学 Loaded palladium catalyst and preparing method and its use
JP5098215B2 (en) * 2006-05-01 2012-12-12 三菱瓦斯化学株式会社 Method for activating hydrogenation catalyst and method for producing hydrogen peroxide containing the same
KR100804199B1 (en) 2006-07-21 2008-02-20 한국화학연구원 Synthesis of mesoporous Pt-incorporated titania/silica using platinum precursor as a template
TWI443063B (en) * 2007-07-11 2014-07-01 Mitsubishi Gas Chemical Co Method for producing regenerative catalyst for producing hydrogen peroxide working solution
WO2015037536A1 (en) * 2013-09-10 2015-03-19 新日鐵住金株式会社 Oxidation catalyst, exhaust gas treatment device, regenerative combustion burner, method for oxidizing combustible components contained in gas, and method for removing nitrogen oxide contained in gas
JP6456204B2 (en) * 2015-03-24 2019-01-23 千代田化工建設株式会社 Aromatic hydrocarbon hydrogenation catalyst and hydrotreating method using the same
WO2022070674A1 (en) * 2020-09-29 2022-04-07 昭和電工株式会社 Method for producing ethyl acetate production catalyst

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