KR950002853A - Method for preparing catalyst for methacrylic acid production - Google Patents

Method for preparing catalyst for methacrylic acid production Download PDF

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KR950002853A
KR950002853A KR1019930013294A KR930013294A KR950002853A KR 950002853 A KR950002853 A KR 950002853A KR 1019930013294 A KR1019930013294 A KR 1019930013294A KR 930013294 A KR930013294 A KR 930013294A KR 950002853 A KR950002853 A KR 950002853A
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South Korea
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group
methacrylic acid
germanium
catalyst
element selected
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KR1019930013294A
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Korean (ko)
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KR100222277B1 (en
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세이고 와따나베
모도무 오오기따
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나가이 야다로오
미쓰비시레이온 가부시끼가이샤
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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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0081—Preparation by melting
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • 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
    • B01J37/08—Heat treatment
    • 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
    • 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
    • B01J2523/40—Constitutive chemical elements of heterogeneous catalysts of Group IV (IVA or IVB) of the Periodic Table
    • B01J2523/42—Germanium
    • 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
    • B01J2523/50—Constitutive chemical elements of heterogeneous catalysts of Group V (VA or VB) of the Periodic Table
    • B01J2523/51—Phosphorus
    • 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
    • B01J2523/50—Constitutive chemical elements of heterogeneous catalysts of Group V (VA or VB) of the Periodic Table
    • B01J2523/55—Vanadium
    • 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
    • B01J2523/60—Constitutive chemical elements of heterogeneous catalysts of Group VI (VIA or VIB) of the Periodic Table
    • B01J2523/68—Molybdenum

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

본 발명은 메타크룰레인을 분자상 산소와 기상접촉산화시켜 메타크릴산을 제조할때 사용하는 하기식으로 표시되는 촉매의 제조방법으로서, PaMobVCGedXeYfZgOh여기에서, P, Mo, V, Ge 및 O는 각각 인, 몰리부덴, 바나듐, 게르마늄, 및 산소를 표시하고, X는 비소, 안티몬, 비스무트, 지르코늄, 텔루륨, 은 및 붕소로 구성된 군으로부터 선택된 적어도 1종이 원소를 표시하고, Y는 철, 구리, 아연, 크롬, 마그네슘, 탄탈, 망간, 바륨, 갈륨, 세륨 및 란타늄으로 구성된 군으로부터 선택된 적어도 1종의 원소를 표시하고, Z는 칼륨, 루비듐, 세슘 및 탈륨으로 구성된 군으로부터 선택된 적어도 1종의 원소를 표시하며, a, b, c, d, e, f 및 g는 각 원소의 원자비율을 표시하고, b=12 일때, a=0.5~3, c=0.01~3, d=0.01~3, e=0~3, f=0~3, g=0.01~3이고 h는 상기 각 성분의 원자가를 만족하는데 필요한 산소원자수이며, 게르마늄 원료로서 이산화게르마늄을 사용하며, 이산화게르마늄의 적어도 일부를 상기 일반식의 Z로 표시되는 원소의 수산화물의 수용액에 용해시킨다. 본 발명에 의하여 제조된 촉매는 메타크롤레인이 산화반응에 있어서 활성도를 현저히 증진시켜 메타크릴산의 수득율을 증가시킬 수 있다.The present invention is a method for producing a catalyst represented by the following formula used to prepare methacrylic acid by gas phase catalytic oxidation of methacrylein with molecular oxygen, P a Mo b V C Ge d X e Y f Z g O h wherein P, Mo, V, Ge and O represent phosphorus, molybdenum, vanadium, germanium, and oxygen, respectively, and X is from the group consisting of arsenic, antimony, bismuth, zirconium, tellurium, silver and boron At least one selected represents an element, Y represents at least one element selected from the group consisting of iron, copper, zinc, chromium, magnesium, tantalum, manganese, barium, gallium, cerium and lanthanum, Z represents potassium, At least one element selected from the group consisting of rubidium, cesium, and thallium, wherein a, b, c, d, e, f, and g represent the atomic ratios of each element, and when b = 12, a = 0.5 C = 0.01-3, d = 0.01-3, e = 0-3, f = 0-3, g = 0.01-3 and h satisfy the valence of each component The required number of oxygen atom, is dissolved in an aqueous solution of hydroxide of an element represented at least a part of germanium dioxide, and using germanium dioxide as Ge material by Z in the formula. The catalyst prepared according to the present invention can significantly increase the activity of methacrolein in the oxidation reaction to increase the yield of methacrylic acid.

Description

메타크릴산 제조용 촉매의 제조방법Method for preparing catalyst for methacrylic acid production

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (1)

일반식 PaMobVCGedXeYfZgOh(여기에서, P, Mo, V, Ge 및 O는 각각 인, 몰리부덴, 바나듐, 게르마늄, 및 산소를 표시하고, X는 비소, 안티몬, 비스무트, 지르코늄, 텔루륨, 은 및 붕소로 구성된 군으로부터 선택된 적어도 1종dml 원소를 표시하고, Y는 철, 구리, 아연, 크롬, 마그네슘, 탄탈, 망간, 바륨, 갈륨, 세륨 및 란타늄으로 구성된 군으로부터 선택된 적어도 1종의 원소를 표시하고, Z는 칼륨, 루비듐, 세슘 및 탈륨으로 구성된 군으로부터 선택된 적어도 1종의 원소를 표시하며, a,b,c,d,e,f 및 g는 각 원소의 원자비율을 표시하고, b=12 일때, a=0.5~3, c=0.01~3, d=0.01~3, e=0~3, f=0~3, g=0.01~3이고 h는 상기 각 성분의 원자가를 만족하는데 필요한 산소원자수이다)로 표현되는 조성dml 촉매성분을 성형, 열처리하여 메타크릴산 제조용 촉매를 제조하되 게르마늄원료로서 이산화게르마늄을 사용하며, 이산화게르마늄의 적어도 일부를 상기 일반식이 Z로 표시되는 원소의 수산화물의 수용액에 용해시켜 사용함을 특징으로 하는 메타크릴산 제조용 촉매의 제조방법.Formula P a Mo b V C Ge d X e Y f Z g O h (where P, Mo, V, Ge and O represent phosphorus, molybdenum, vanadium, germanium, and oxygen, respectively, and X is Represents at least one dml element selected from the group consisting of arsenic, antimony, bismuth, zirconium, tellurium, silver and boron, Y is iron, copper, zinc, chromium, magnesium, tantalum, manganese, barium, gallium, cerium and At least one element selected from the group consisting of lanthanum, Z represents at least one element selected from the group consisting of potassium, rubidium, cesium and thallium, a, b, c, d, e, f and g represents the atomic ratio of each element, and when b = 12, a = 0.5-3, c = 0.01-3, d = 0.01-3, e = 0-3, f = 0-3, g = 0.01 ~ 3 and h is the number of oxygen atoms required to satisfy the valence of each component) to form a catalyst composition dml and heat treated to produce a catalyst for methacrylic acid production, but as a germanium raw material A method of producing a catalyst for methacrylic acid production, comprising using germanium and dissolving at least a part of germanium in an aqueous solution of a hydroxide of the element represented by Z in the general formula. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930013294A 1993-07-15 1993-07-15 Method of preparing catalyst used for producing methacrylic acids KR100222277B1 (en)

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KR950002853A true KR950002853A (en) 1995-02-16
KR100222277B1 KR100222277B1 (en) 1999-10-01

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