JP2008285416A5 - - Google Patents
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- JP2008285416A5 JP2008285416A5 JP2007129039A JP2007129039A JP2008285416A5 JP 2008285416 A5 JP2008285416 A5 JP 2008285416A5 JP 2007129039 A JP2007129039 A JP 2007129039A JP 2007129039 A JP2007129039 A JP 2007129039A JP 2008285416 A5 JP2008285416 A5 JP 2008285416A5
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- Japan
- Prior art keywords
- producing methacrolein
- catalyst
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- element selected
- sulfur
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Description
また、本発明のメタクロレインの製造方法では、原料ガス中の硫黄化合物の濃度は、該原料ガス中の第三級ブタノールとイソブチレンとの合計質量に対し、硫黄原子として０．１〜５０００質量ｐｐｍとなるようにすることが望ましい。
また、本発明のメタクロレインの製造方法では、硫黄化合物としてメルカプタン類を含む原料ガスを使用することが望ましい。
Further, in the method for producing methacrolein of the present invention, the concentration of the sulfur compound in the raw material gas is 0.1 to 5,000 mass ppm as a sulfur atom with respect to the total mass of the tertiary butanol and isobutylene in the raw material gas. It is desirable that
In the method for producing methacrolein of the present invention, it is desirable to use a raw material gas containing mercaptans as a sulfur compound.
Claims (4)
ＭｏａＢｉｂＦｅｃＭｄＸｅＹｆＺｇＳｉｈＯｉ （１）
ここで、Ｍｏ、Ｂｉ、Ｆｅ、Ｓｉ及びＯは、それぞれモリブデン、ビスマス、鉄、ケイ素および酸素を示し、Ｍはコバルト及びニッケルからなる群より選ばれた少なくとも１種の元素を示し、Ｘはクロム、鉛、マンガン、カルシウム、マグネシウム、ニオブ、銀、バリウム、スズ、タンタル及び亜鉛からなる群より選ばれた少なくとも１種の元素を示し、Ｙはリン、ホウ素、硫黄、セレン、テルル、セリウム、タングステン、アンチモン及びチタンからなる群より選ばれた少なくとも１種の元素を示し、Ｚはリチウム、ナトリウム、カリウム、ルビジウム、セシウム及びタリウムからなる群より選ばれた少なくとも１種の元素を示す。
ａ、ｂ、ｃ、ｄ、ｅ、ｆ、ｇ、ｈ及びｉは、各元素の原子比率を表し、ａ＝１２のとき、ｂ＝０．０１〜３、ｃ＝０．０１〜５、ｄ＝１〜１２、ｅ＝０〜８、ｆ＝０〜５、ｇ＝０．００１〜２、ｈ＝０〜２０であり、ｉは前記各成分の原子価を満足するのに必要な酸素原子比率である。 The method for producing methacrolein according to any one of claims 1 to 3, wherein a catalyst having the following composition formula (1) is used as a catalyst.
Mo a Bi b Fe c M d X e Y f Z g Si h O i (1)
Here, Mo, Bi, Fe, Si and O represent molybdenum, bismuth, iron, silicon and oxygen, M represents at least one element selected from the group consisting of cobalt and nickel, and X represents chromium. Represents at least one element selected from the group consisting of lead, manganese, calcium, magnesium, niobium, silver, barium, tin, tantalum and zinc, and Y represents phosphorus, boron, sulfur, selenium, tellurium, cerium, tungsten , Z represents at least one element selected from the group consisting of lithium, sodium, potassium, rubidium, cesium and thallium.
a, b, c, d, e, f, g, h, and i represent the atomic ratio of each element. When a = 12, b = 0.01-3, c = 0.01-5, d = 1 to 12, e = 0 to 8, f = 0 to 5, g = 0.001 to 2, h = 0 to 20, and i is an oxygen atom necessary for satisfying the valence of each component. It is a ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007129039A JP5301110B2 (en) | 2007-05-15 | 2007-05-15 | Method for producing methacrolein |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007129039A JP5301110B2 (en) | 2007-05-15 | 2007-05-15 | Method for producing methacrolein |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008285416A JP2008285416A (en) | 2008-11-27 |
| JP2008285416A5 true JP2008285416A5 (en) | 2010-06-17 |
| JP5301110B2 JP5301110B2 (en) | 2013-09-25 |
Family
ID=40145495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007129039A Active JP5301110B2 (en) | 2007-05-15 | 2007-05-15 | Method for producing methacrolein |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5301110B2 (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54157522A (en) * | 1978-05-31 | 1979-12-12 | Nippon Kayaku Co Ltd | Preparation of methacrolein and methacrylic acid |
| JPH0681749B2 (en) * | 1985-04-30 | 1994-10-19 | 三菱化成株式会社 | Method for producing maleic anhydride |
| DE4113423A1 (en) * | 1991-04-25 | 1992-10-29 | Roehm Gmbh | OXIDATION CATALYST IMPLEMENTED WITH MACROPORES |
| JP3342794B2 (en) * | 1994-12-21 | 2002-11-11 | 三菱レイヨン株式会社 | Method for producing supported catalyst for synthesis of methacrolein and methacrylic acid |
| JP3347246B2 (en) * | 1995-10-30 | 2002-11-20 | 三菱レイヨン株式会社 | Method for producing catalyst for the synthesis of unsaturated aldehydes and unsaturated carboxylic acids |
| US6258992B1 (en) * | 1999-09-17 | 2001-07-10 | Saudi Basic Industries Corporation | Gas phase catalytic oxidation of hydrocarbons to carboxylic acids and dehydrogenated products |
| JP4179780B2 (en) * | 2001-12-28 | 2008-11-12 | 三菱レイヨン株式会社 | Method for producing catalyst for synthesizing unsaturated aldehyde and unsaturated carboxylic acid, catalyst produced by this method, and method for synthesizing unsaturated aldehyde and unsaturated carboxylic acid using this catalyst |
| CN100592932C (en) * | 2002-02-19 | 2010-03-03 | 三菱丽阳株式会社 | Catalyst for production of unsaturated aldehyde and unsaturated carboxylic acid and process for producing the same |
| JP4678765B2 (en) * | 2005-05-09 | 2011-04-27 | 三菱レイヨン株式会社 | A method for producing a metal oxide catalyst, and a method for producing an unsaturated aldehyde and an unsaturated carboxylic acid. |
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2007
- 2007-05-15 JP JP2007129039A patent/JP5301110B2/en active Active
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