公开(公告)号：US07696387B2

公开(公告)日：2010-04-13

申请号：US11435212

申请日：2006-05-17

申请人： Won Ho Lee ,  Dong Il Lee ,  Jong Hyun Chae ,  Hyun Kyung Yoon

发明人： Won Ho Lee ,  Dong Il Lee ,  Jong Hyun Chae ,  Hyun Kyung Yoon

IPC分类号： B01J23/00 ,  B01J21/00 ,  B01J20/00 ,  C07C45/00 ,  C07C45/90

CPC分类号： B01J23/30 ,  B01J37/0201 ,  B01J37/0205 ,  C07C45/36 ,  C07C47/544

摘要： The present invention relates to a novel method for preparing a catalyst for partial oxidation of methylbenzenes, comprising, (a) a step of preparing a solution or slurry of the compounds comprising tungsten; (b) a step of supporting the solution or slurry obtained in the step (a) on inorganic carrier; (c) a step of drying the catalyst obtained in the step (b); and (d) a step of calcining the dried catalyst obtained in the step (c), characterized in that the ratio of the pore volume of inorganic carrier and the volume of the solution or slurry in the step (b) is 1:0.9˜1.1, and the catalyst provides superior aromatic aldehydes selectivity to those prepared by the conventional impregnation or heat evaporation method over a wide range of conversion rate.

摘要翻译： 本发明涉及一种制备甲基苯部分氧化催化剂的新方法，包括（a）制备包含钨的化合物的溶液或浆料的步骤; （b）将无机载体上的工序（a）得到的溶液或浆料进行负载的工序; （c）干燥步骤（b）中获得的催化剂的步骤; 和（d）煅烧步骤（c）中获得的干燥催化剂的步骤，其特征在于步骤（b）中无机载体的孔体积与溶液或浆料的体积比为1:0.9〜 1.1，并且催化剂在宽范围的转化率下为通过常规浸渍或热蒸发法制备的那些提供优异的芳族醛选择性。

公开(公告)号：US07538253B2

公开(公告)日：2009-05-26

申请号：US11602324

申请日：2006-11-21

申请人： Won Ho Lee ,  Dong Il Lee ,  Jong Hyun Chae ,  Hyun Kyung Yoon

发明人： Won Ho Lee ,  Dong Il Lee ,  Jong Hyun Chae ,  Hyun Kyung Yoon

IPC分类号： B01J31/00 ,  B01J23/00 ,  B01J21/00 ,  C07C45/00 ,  C07C31/13

CPC分类号： B01J23/30 ,  B01J21/04 ,  B01J37/0036 ,  B01J37/0221 ,  B01J37/0236

摘要： The present invention relates to a novel method for preparing a catalyst of the formula (1), WOx wherein, W represents tungsten atom, O represents oxygen atom x represents a value determined by oxidative state of W, for partial oxidation of methylbenzenes, the method comprising: (a) a step of preparing tungsten oxide slurry by wet milling; (b) a step of supporting the slurry obtained in the step (a) on fire-resistance inorganic carrier by impregnation; (c) a step of drying the catalyst obtained in the step (b); and (d) a step of calcining the dried catalyst obtained in the step (c), and can reduce the reaction temperature on the basis of equivalent yield in the preparation of corresponding aromatic aldehyde from methylbenzenes since the catalyst has increased the surface areas compared to the conventional one, and thus has high conversion rate.

摘要翻译： 本发明涉及一种制备式（1）的催化剂的新方法，其中<？in-line-formula description =“In-line Formulas”end =“lead”→> WOx <？in-line-formula description 其中，W表示钨原子，O表示氧原子，x表示由氧化态W确定的值，用于甲基苯的部分氧化，该方法包括：（a） 通过湿磨制备氧化钨浆料的步骤; （b）通过浸渍将在步骤（a）中获得的浆料支撑在耐火无机载体上的步骤; （c）干燥步骤（b）中获得的催化剂的步骤; 和（d）煅烧步骤（c）中获得的干燥催化剂的步骤，并且可以基于由甲基苯制备相应的芳族醛的当量产率来降低反应温度，因为催化剂与表面积相比增加了 因此具有高转换率。

公开(公告)号：US07429682B2

公开(公告)日：2008-09-30

申请号：US11603213

申请日：2006-11-22

申请人： Won Ho Lee ,  Hyun Kyung Yoon ,  Dong Il Lee ,  Jong Hyun Chae ,  Ji Hyang Son ,  In Kyu Park ,  Won Jae Lee

发明人： Won Ho Lee ,  Hyun Kyung Yoon ,  Dong Il Lee ,  Jong Hyun Chae ,  Ji Hyang Son ,  In Kyu Park ,  Won Jae Lee

IPC分类号： C07C45/00 ,  B01J23/00 ,  B01J21/00 ,  B01J20/00

CPC分类号： B01J23/30 ,  B01J23/888 ,  B01J37/0201 ,  C07C45/36 ,  C07C47/544

摘要： A catalyst for gas phase oxidation of methylbenzenes in the presence of molecular oxygen to produce corresponding aromatic aldehydes, a method for preparing the catalyst, and a method for producing aromatic aldehydes from methylbenzenes by using the catalyst. The catalyst comprises a compound represented by the following formula (1): WaXbYcOx   (1) wherein W represents a tungsten atom, X represents one or more alkali metals selected from the group consisting of Li, Na, K, Rb, and Cs, Y represents one or more elements selected from the group consisting of Fe, Co, Ni, Cu, Mn, Re, Cr, V, Nb, Ti, Zr, Zn, Cd, Y, La, Ce, B, Al, Sn, Mg, Ca, Sr, and Ba, O stands for an oxygen atom, and the ratio of a:b:c is 12:0.001˜1:0˜5.

公开(公告)号：US20080021248A1

公开(公告)日：2008-01-24

申请号：US11603213

申请日：2006-11-22

申请人： Won Ho Lee ,  Hyun Kyung Yoon ,  Dong Il Lee ,  Jong Hyun Chae ,  Ji Hyang Son ,  In Kyu Park ,  Won Jae Lee

发明人： Won Ho Lee ,  Hyun Kyung Yoon ,  Dong Il Lee ,  Jong Hyun Chae ,  Ji Hyang Son ,  In Kyu Park ,  Won Jae Lee

IPC分类号： B01J23/30 ,  C07C45/90

CPC分类号： B01J23/30 ,  B01J23/888 ,  B01J37/0201 ,  C07C45/36 ,  C07C47/544

摘要： A catalyst for gas phase oxidation of methylbenzenes in the presence of molecular oxygen to produce corresponding aromatic aldehydes, a method for preparing the catalyst, and a method for producing aromatic aldehydes from methylbenzenes by using the catalyst. The catalyst comprises a compound represented by the following formula (1): WaXbYcOx   (1) wherein W represents a tungsten atom, X represents one or more alkali metals selected from the group consisting of Li, Na, K, Rb, and Cs, Y represents one or more elements selected from the group consisting of Fe, Co, Ni, Cu, Mn, Re, Cr, V, Nb, Ti, Zr, Zn, Cd, Y, La, Ce, B, Al, Sn, Mg, Ca, Sr, and Ba, O stands for an oxygen atom, and the ratio of a:b:c is 12:0.001˜1:0˜5.

摘要翻译： 用于在分子氧存在下甲基苯气相氧化以产生相应的芳族醛的催化剂，制备该催化剂的方法，以及通过使用该催化剂由甲基苯制备芳族醛的方法。 催化剂包含由下式（1）表示的化合物：<？in-line-formula description =“In-line formula”end =“lead”？> W （1）<？in-line-formula description =“In-line Formulas”end =“tail”？>其中W表示（x，y） 钨原子，X表示选自Li，Na，K，Rb和Cs中的一种以上的碱金属，Y表示选自Fe，Co，Ni，Cu，Mn， Re，Cr，V，Nb，Ti，Zr，Zn，Cd，Y，La，Ce，B，Al，Sn，Mg，Ca，Sr和Ba，O表示氧原子， b：c为12：0.001〜1：0〜5。