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公开(公告)号:KR1020030064478A
公开(公告)日:2003-08-02
申请号:KR1020020004787
申请日:2002-01-28
Applicant: 한국화학연구원
IPC: B01J23/78 , B01J29/076
CPC classification number: B01J29/146 , B01J29/76 , B01J29/78 , B01J35/1052
Abstract: PURPOSE: A noble porous catalyst which is used as catalyst in hydroxylation of phenol using hydrogen peroxide as oxidizer to enable selective synthesis of catechol is provided. CONSTITUTION: In a catalyst applied to a process for synthesizing dihydroxybenzene by oxidizing phenol with hydrogen peroxide, the porous catalyst for selective synthesis of catechol is characterized in that ions of transition metal (M1) and ions of another metal (M2) selected from alkali metal, alkaline earth metal and a mixture thereof are simultaneously ion exchanged in porous molecular body of aluminosilicate by the catalyst, wherein the porous molecular body has pore size of at least 7 to 200 Å and Si/Al ratio of 1 to 200, wherein the porous molecular body is selected from HX type, HY type, USHY type, HBEA type, MCM-41, MCM-48 and SBA-15, wherein the transition metal (M1) is one or two metals selected from iron, copper, manganese and cobalt, wherein the transition metal (M1) has an ion exchange ratio of 50 to 90%, and wherein the metal (M2) selected from alkali metal, alkaline earth metal and a mixture thereof has an ion exchange ratio of 5 to 20%.
Abstract translation: 目的:提供一种贵重的多孔催化剂,其用作使用过氧化氢作为氧化剂的苯酚羟化反应的催化剂,以能够选择性合成儿茶酚。 构成:在用于通过用过氧化氢氧化苯酚来合成二羟基苯的方法中的催化剂中,用于选择性合成邻苯二酚的多孔催化剂的特征在于过渡金属离子(M1)和另一种金属离子(M2)选自碱金属 ,碱土金属及其混合物通过催化剂在硅铝酸盐的多孔分子体中同时离子交换,其中多孔分子体的孔径为至少7〜200,Si / Al比为1〜200,其中多孔 分子体选自HX型,HY型,USHY型,HBEA型,MCM-41,MCM-48和SBA-15,其中过渡金属(M1)为选自铁,铜,锰和钴中的一种或两种金属 其中,过渡金属(M1)的离子交换比为50〜90%,其中,选自碱金属,碱土金属及其混合物的金属(M2)的离子交换率为5〜20%。
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公开(公告)号:KR100443261B1
公开(公告)日:2004-08-04
申请号:KR1020020004787
申请日:2002-01-28
Applicant: 한국화학연구원
IPC: B01J23/78 , B01J29/076
Abstract: PURPOSE: A noble porous catalyst which is used as catalyst in hydroxylation of phenol using hydrogen peroxide as oxidizer to enable selective synthesis of catechol is provided. CONSTITUTION: In a catalyst applied to a process for synthesizing dihydroxybenzene by oxidizing phenol with hydrogen peroxide, the porous catalyst for selective synthesis of catechol is characterized in that ions of transition metal (M1) and ions of another metal (M2) selected from alkali metal, alkaline earth metal and a mixture thereof are simultaneously ion exchanged in porous molecular body of aluminosilicate by the catalyst, wherein the porous molecular body has pore size of at least 7 to 200 Å and Si/Al ratio of 1 to 200, wherein the porous molecular body is selected from HX type, HY type, USHY type, HBEA type, MCM-41, MCM-48 and SBA-15, wherein the transition metal (M1) is one or two metals selected from iron, copper, manganese and cobalt, wherein the transition metal (M1) has an ion exchange ratio of 50 to 90%, and wherein the metal (M2) selected from alkali metal, alkaline earth metal and a mixture thereof has an ion exchange ratio of 5 to 20%.
Abstract translation: 目的:提供一种贵重多孔催化剂,其用作使用过氧化氢作为氧化剂的苯酚羟基化的催化剂,以实现儿茶酚的选择性合成。 本发明涉及一种用于通过用过氧化氢氧化苯酚来合成二羟基苯的方法中使用的催化剂,用于选择性合成儿茶酚的多孔催化剂的特征在于过渡金属(M1)的离子和选自碱金属 碱土金属及其混合物在催化剂的作用下在硅铝酸盐多孔分子体中同时进行离子交换,其中多孔分子体的孔径至少为7-200埃Aring; 和Si / Al比为1至200,其中多孔分子体选自HX型,HY型,USHY型,HBEA型,MCM-41,MCM-48和SBA-15,其中过渡金属(M1)为 一种或两种选自铁,铜,锰和钴的金属,其中过渡金属(M1)的离子交换率为50-90%,其中选自碱金属,碱土金属和混合物的金属(M2) 其离子交换率为5〜20%。
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