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    • 9. 发明申请
    • CATALYST FOR THE MANUFACTURING OF ACRYLIC ACID AND A PROCESS FOR PRODUCING ACRYLIC ACID BY USING THE CATALYST
    • 催化剂用于制备丙烯酸和使用催化剂生产丙烯酸的方法
    • WO2013084500A3
    • 2013-07-25
    • PCT/JP2012007834
    • 2012-12-06
    • NIPPON KAYAKU KK
    • OKUMURA KIMITOKOBAYASHI YASUSHI
    • B01J23/88C07B61/00C07C27/00C07C45/38C07C47/22C07C51/235C07C57/04
    • B01J37/0036B01J23/002B01J27/199B01J37/0045B01J37/08B01J2523/00C07C45/52C07C51/235C07C57/04C07C47/22B01J2523/17B01J2523/53B01J2523/55B01J2523/68B01J2523/69
    • This invention provides a catalyst for producing unsaturated carboxylic acid from unsaturated aldehyde which is obtained by dehydration reaction of alcohol. In particular, this invention provides a catalyst for producing acrylic acid from acrolein obtained by dehydration reaction of glycerin. This invention provides also a process for producing unsaturated carboxylic acid, especially acrylic acid by using the catalyst. Catalyst used contains an active ingredient having a composition represented by following formula (1): Mo12 Va Wb Cuc Sbd Xe Yf Zg Oh (1), in which Mo, V, W, Cu, Sb and O represent respectively molybdenum, vanadium, tungsten, copper, antimony and oxygen, X is at least one element selected from a group comprising alkali metals and thallium, Y is at least one element selected from a group comprising magnesium, calcium, strontium, barium and zinc, Z is at least one element selected from a group comprising niobium, cerium, tin, chromium, manganese, iron, cobalt, samarium, germanium, titanium and arsenic, "a", "b", "c", "d", "e", "f", "g" and "h" each represents an atom ratio of element and satisfies following respective range when a value for molybdenum atom is considered as 12: "a" is greater than 0 but not greater than 10, "b" is not less than 0 but not greater than 10, "c" is greater than 0 but not greater than 6, "d" is greater than 0 but not greater than 10, "e" is not less than 0 but not greater than 0.5, "f" is not less than 0 but not greater than 1, "g" is not less than 0 but less than 6 and "h" is a number of oxygen atom required for satisfying the valences of above elements.
    • 本发明提供一种由醇脱水反应得到的不饱和醛生产不饱和羧酸的催化剂。 特别是,本发明提供一种由甘油脱水反应得到的丙烯醛生产丙烯酸的催化剂。 本发明还提供了一种使用该催化剂生产不饱和羧酸,特别是丙烯酸的方法。 所用催化剂含有具有下式(1)所示组成的活性成分:其中Mo,V,W,Cu,Sb和O分别代表钼,钒,钨 ,铜,锑和氧,X是选自碱金属和铊中的至少一种元素,Y是选自镁,钙,锶,钡和锌中的至少一种元素,Z是至少一种元素 选自包括铌,铈,锡,铬,锰,铁,钴,钐,锗,钛和砷,“a”,“b”,“c”,“d”,“e”,“f” ,“g”和“h”各自表示元素的原子比并且当将钼原子的值视为12时满足以下各自的范围:“a”大于0但不大于10,“b”不小于 比0大但不大于10,“c”大于0但不大于6,“d”大于0但不大于10,“e”不小于0但 不大于0.5,“f”不小于0但不大于1,“g”不小于0但小于6,“h”是满足上述元素化合价所需的氧原子数。
    • 10. 发明申请
    • CATALYST FOR MANUFACTURE OF ACROLEIN AND ACRYLIC ACID BY MEANS OF DEHYDRATION OF GLYCERIN, AND MANUFACTURING METHOD FOR SAME
    • 通过甘油脱水制备丙烯酸和丙烯酸的催化剂及其制备方法
    • WO2013018752A3
    • 2013-03-21
    • PCT/JP2012069305
    • 2012-07-30
    • NIPPON KAYAKU KKOKUMURA KIMITOKOBAYASHI YASUSHIHIRAOKA RYOTADUBOIS JEAN-LUC
    • OKUMURA KIMITOKOBAYASHI YASUSHIHIRAOKA RYOTADUBOIS JEAN-LUC
    • B01J27/188B01J23/30B01J35/10B01J37/08C07B61/00C07C45/52C07C47/22
    • B01J27/188B01J23/30B01J35/1038B01J35/108C07C45/52C07C51/235C07C51/25C07C57/04C07C47/22
    • The present invention provides a glycerin dehydration catalyst which enables the high-yield production of unsaturated aldehydes and unsaturated carboxylic acid by dehydrating glycerin, and exhibits little reduction over time in glycerin conversion ratio, or in the yield of unsaturated aldehydes and unsaturated carboxylic acid. The present invention provides, in particular, a glycerin dehydration catalyst which has a long life and can produce acrolein and acrylic acid at high yields by dehydrating glycerin. Furthermore, the present invention is for the purpose of providing a manufacturing method for such a catalyst. A catalyst for glycerin dehydration used to produce acrolein and acrylic acid by contact-dehydrating glycerin, the catalyst having a W-containing metal oxide supported on a support which contains at least one kind of metal oxide selected from TiO2, SiO2, Al2O3, ZrO2 and Nb2O5, and which has bimodal pores wherein the ratio of the pore volume of micropores of 50nm or more relative to the pore volume of mesopores, which are bigger than 2nm but smaller than 50nm, is at least 0.5; in addition to the W-containing metal oxide, at least one kind of element-containing metal oxide selected from P, Si, Mo and V can also be supported.
    • 本发明提供甘油脱水催化剂,其能够通过使甘油脱水而高收率地制造不饱和醛和不饱和羧酸,甘油转化率或不饱和醛和不饱和羧酸的收率的经时降低少。 本发明特别提供甘油脱水催化剂,其具有长寿命并且可以通过使甘油脱水以高产率生产丙烯醛和丙烯酸。 此外,本发明的目的在于提供这种催化剂的制造方法。 甘油脱水用催化剂,用于通过使甘油接触 - 脱水来生产丙烯醛和丙烯酸,所述催化剂具有负载在载体上的含W的金属氧化物,所述载体含有选自TiO 2,SiO 2,Al 2 O 3,ZrO 2和ZrO 2中的至少一种金属氧化物; Nb2O5,其具有双峰孔径,其中,50nm以上的微孔的孔体积相对于大于2nm小于50nm的中孔孔隙体积的比例至少为0.5; 除了含W的金属氧化物之外,还可以负载选自P,Si,Mo和V中的至少一种含元素的金属氧化物。