RU2002134460A - METHOD FOR SELECTIVE ACETIC ACID ACID CATALYTIC OXIDATION OF ETHANE AND / OR ETHYLENE - Google Patents

METHOD FOR SELECTIVE ACETIC ACID ACID CATALYTIC OXIDATION OF ETHANE AND / OR ETHYLENE

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Publication number
RU2002134460A
RU2002134460A RU2002134460/04A RU2002134460A RU2002134460A RU 2002134460 A RU2002134460 A RU 2002134460A RU 2002134460/04 A RU2002134460/04 A RU 2002134460/04A RU 2002134460 A RU2002134460 A RU 2002134460A RU 2002134460 A RU2002134460 A RU 2002134460A
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RU
Russia
Prior art keywords
niobium
catalyst
elements
ethylene
ethane
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RU2002134460/04A
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Russian (ru)
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RU2245322C2 (en
Inventor
Забине ЦАЙСС
Уве ДИНГЕРДИССЕН
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Селаниз Интернэшнл Корпорейшн
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Priority claimed from DE10024437A external-priority patent/DE10024437A1/en
Application filed by Селаниз Интернэшнл Корпорейшн filed Critical Селаниз Интернэшнл Корпорейшн
Publication of RU2002134460A publication Critical patent/RU2002134460A/en
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Publication of RU2245322C2 publication Critical patent/RU2245322C2/en

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Claims (14)

1. Непрерывный способ селективного получения уксусной кислоты из газообразной питательной смеси, содержащей этан, этилен или их смеси, а также кислород, при повышенной температуре, в котором газообразную питательную смесь вводят вместе с катализатором, который содержит элементы Мо, Pd, X и Y в грамм-атомных соотношениях a:b:c:d в комбинации с кислородом1. A continuous method for the selective production of acetic acid from a gaseous nutrient mixture containing ethane, ethylene or a mixture thereof, as well as oxygen, at an elevated temperature in which the gaseous nutrient mixture is introduced together with a catalyst that contains Mo, Pd, X and Y elements in gram-atom ratios a: b: c: d in combination with oxygen MOaPdbXcYd (I),MO a Pd b X c Y d (I), при этом символы Х и Y имеют следующие значения:the symbols X and Y have the following meanings: Х означает один или несколько элементов, выбранных из группы: Cr, Mn, Nb, Та, Ti, V, Те и W;, при этом Х должно быть по крайней мере Nb;X means one or more elements selected from the group: Cr, Mn, Nb, Ta, Ti, V, Te, and W; wherein X must be at least Nb; Y означает один или несколько элементов, выбранных из группы: В, Al, Ga, In, Pt, Zn, Cd, Bi, Ce, Co, Rh, Ir, Cu, Ag, Au, Fe, Ru, Os, K, Rb, Cs, Mg, Ca, Sr, Ba, Nb, Zr, Hf, Ni, P, Pb, Sb, Si, Sn, Tl и U;Y means one or more elements selected from the group: B, Al, Ga, In, Pt, Zn, Cd, Bi, Ce, Co, Rh, Ir, Cu, Ag, Au, Fe, Ru, Os, K, Rb , Cs, Mg, Ca, Sr, Ba, Nb, Zr, Hf, Ni, P, Pb, Sb, Si, Sn, Tl and U; индексы a, b, с и d означают грамм-атомные соотношения соответствующих элементов, при этом а=1, b=0,0001-0,01, с=0,4-1 и d=0,005-1, и в котором продолжительность контактов и состав газообразной питательной смеси выбирают так, чтобы производительность при окислении в уксусную кислоту составляла >470 кг/(чм3), при условии, что катализатор получают при использовании аммониевой соли ниобия в качестве источника ниобия.the indices a, b, c and d denote the gram-atomic ratios of the corresponding elements, with a = 1, b = 0.0001-0.01, c = 0.4-1 and d = 0.005-1, and in which the duration of contacts and the composition of the gaseous nutrient mixture is chosen so that the performance upon oxidation to acetic acid is> 470 kg / (hm 3 ), provided that the catalyst is obtained using the ammonium salt of niobium as a source of niobium. 2. Способ согласно п.1, отличающийся тем, что Х и/или Y означают несколько элементов, при этом, при необходимости, индексы c и d для разных элементов принимают различные значения.2. The method according to claim 1, characterized in that X and / or Y mean several elements, while, if necessary, the indices c and d for different elements take different values. 3. Способ согласно, по крайней мере, одному из пп.1 и 2, отличающийся тем, что в качестве источника ниобия используют аммонийоксалат ниобия.3. The method according to at least one of claims 1 and 2, characterized in that niobium ammonium oxalate is used as a source of niobium. 4. Способ согласно, по крайней мере, одному из пп.1-3, отличающийся тем, что температура лежит в области от 200 до 500°С.4. The method according to at least one of claims 1 to 3, characterized in that the temperature lies in the region from 200 to 500 ° C. 5. Способ согласно, по крайней мере, одному из пп.1-4, отличающийся тем, что давление в реакторе составляет от 1 до 50 бар.5. The method according to at least one of claims 1 to 4, characterized in that the pressure in the reactor is from 1 to 50 bar. 6. Способ согласно, по крайней мере, одному из пп.1-5, отличающийся тем, что b лежит в области от 0,0001 до 0,001.6. The method according to at least one of claims 1 to 5, characterized in that b lies in the region from 0.0001 to 0.001. 7. Способ согласно, по крайней мере, одному из пп.1-6, отличающийся тем, что в реактор загружают этан, смешанный минимум с одним дополнительным газом.7. The method according to at least one of claims 1 to 6, characterized in that ethane mixed with at least one additional gas is loaded into the reactor. 8. Способ согласно п.7, отличающийся тем, что в качестве дополнительного газа вводят азот, кислород, метан, окись углерода, двуокись углерода, этилен и/или водяной пар.8. The method according to claim 7, characterized in that nitrogen, oxygen, methane, carbon monoxide, carbon dioxide, ethylene and / or water vapor are introduced as additional gas. 9. Способ согласно, по крайней мере, одному из пп.1-8, отличающийся тем, что катализатор смешивают с носителем или фиксируют на носителе.9. The method according to at least one of claims 1 to 8, characterized in that the catalyst is mixed with the carrier or fixed on the carrier. 10. Способ согласно, по крайней мере, одному из пп.1-9, отличающийся тем, что селективность реакции окисления этана и/или этилена в уксусную кислоту составляет >70 мол.%.10. The method according to at least one of claims 1 to 9, characterized in that the selectivity of the oxidation of ethane and / or ethylene to acetic acid is> 70 mol%. 11. Катализатор согласно, по крайней мере, одному из пп.1-10, отличающийся тем, что используют катализатор, в который палладий внесен в виде спиртового раствора ацетата палладия.11. The catalyst according to at least one of claims 1 to 10, characterized in that they use a catalyst in which palladium is introduced in the form of an alcoholic solution of palladium acetate. 12. Катализатор для селективного окисления этана, этилена или их смесей, а также кислорода, содержащий элементы Мо, Pd, X и Y в грамм-атомных соотношениях a:b:c:d в комбинации с кислородом12. A catalyst for the selective oxidation of ethane, ethylene, or mixtures thereof, as well as oxygen, containing the elements Mo, Pd, X, and Y in gram-atom ratios a: b: c: d in combination with oxygen MoaPdbXcYd (I),Mo a Pd b X c Y d (I), при этом символы Х и Y имеют следующие зачения:the symbols X and Y have the following meanings: Х означает один или несколько элементов, выбранных из группы: Cr, Mn, Nb, Та, Ti, V, Те и W, при этом Х должно быть по крайней мере Nb;X means one or more elements selected from the group: Cr, Mn, Nb, Ta, Ti, V, Te and W, wherein X must be at least Nb; Y означает один или несколько элементов, выбранных из группы: В, Al, Ga, In, Pt, Zn, Cd, Bi, Ce, Co, Rh, Ir, Cu, Ag, Au, Fe, Ru, Os, K, Rb, Cs, Mg, Ca, Sr, Ba, Nb, Zr, Hf, Ni, P, Pb, Sb, Si, Sn, Tl и U;Y means one or more elements selected from the group: B, Al, Ga, In, Pt, Zn, Cd, Bi, Ce, Co, Rh, Ir, Cu, Ag, Au, Fe, Ru, Os, K, Rb , Cs, Mg, Ca, Sr, Ba, Nb, Zr, Hf, Ni, P, Pb, Sb, Si, Sn, Tl and U; индексы a, b, с и d означают грамм-атомные соотношения соответствующих элементов, при этом а=1, b=0,0001-0,01, с=0,4-1 и d=0,005-1, и где производительность при реакции окисления составляет >470 кг/(чм3), при условии, что катализатор получают при использовании аммониевой соли ниобия в качестве источника ниобия.the indices a, b, c and d denote the gram-atomic ratios of the corresponding elements, with a = 1, b = 0.0001-0.01, c = 0.4-1 and d = 0.005-1, and where the performance at the oxidation reaction is> 470 kg / (hm 3 ), provided that the catalyst is prepared using the ammonium salt of niobium as a source of niobium. 13. Катализатор согласно п.12, в котором в качестве источника ниобия служит аммонийная соль ниобий, в частности аммонийоксалат ниобия.13. The catalyst according to item 12, in which the source of niobium is an ammonium salt of niobium, in particular niobium ammonium oxalate. 14. Катализатор согласно п.12, в котором палладий внесен в виде спиртового раствора ацетата палладия.14. The catalyst according to item 12, in which palladium is introduced in the form of an alcoholic solution of palladium acetate.
RU2002134460/04A 2000-05-19 2001-05-03 Method for selective preparing acetic acid by catalytic oxidation of ethane and/or ethylene and catalyst for realization of method RU2245322C2 (en)

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Application Number Priority Date Filing Date Title
DE10024437.8 2000-05-19
DE10024437A DE10024437A1 (en) 2000-05-19 2000-05-19 Process for the selective production of acetic acid by catalytic oxidation of ethane

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EP (1) EP1286942B1 (en)
JP (1) JP4116293B2 (en)
KR (1) KR100660311B1 (en)
CN (2) CN101041135B (en)
AT (1) ATE429413T1 (en)
AU (2) AU2001273986C1 (en)
BR (1) BR0110848B1 (en)
CA (1) CA2409933C (en)
CZ (1) CZ20023703A3 (en)
DE (2) DE10024437A1 (en)
ES (1) ES2324932T3 (en)
MX (1) MXPA02011419A (en)
MY (1) MY129521A (en)
NO (1) NO328001B1 (en)
NZ (1) NZ522266A (en)
PL (1) PL202774B1 (en)
PT (1) PT1286942E (en)
RS (1) RS50466B (en)
RU (1) RU2245322C2 (en)
UA (1) UA72812C2 (en)
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