化学通报（印刷版）
化學通報（印刷版）
화학통보（인쇄판）
CHEMISTRY
2009年
11期
1037-1040
,共4页
复合固体超强酸%过硫酸盐%纳米粒子%α-蒎烯%催化异构
複閤固體超彊痠%過硫痠鹽%納米粒子%α-蒎烯%催化異構
복합고체초강산%과류산염%납미입자%α-파희%최화이구
Composite solid superacid%Persulfate%Nanometer particle%α- Pinene%Catalysis isomerization
用浸渍法以S_2O_8~(2-)为促进剂,制备得到尺寸为15～20nm的复合固体超强酸S_2O_8~(2-)/SnO_2-TiO_2,将其用于催化α-蒎烯异构化反应.考察了制备条件对其催化性能的影响,发现在Sn/Ti比2:1、S_2O_8~(2-)的浸渍浓度1.0mol/L和焙烧温度500℃条件下,所得纳米S_2O_8~(2-)/SnO_2-TiO_2具有最高的催化活性和选择性,α-蒎烯的转化率达98%,莰烯得率为62%.
用浸漬法以S_2O_8~(2-)為促進劑,製備得到呎吋為15～20nm的複閤固體超彊痠S_2O_8~(2-)/SnO_2-TiO_2,將其用于催化α-蒎烯異構化反應.攷察瞭製備條件對其催化性能的影響,髮現在Sn/Ti比2:1、S_2O_8~(2-)的浸漬濃度1.0mol/L和焙燒溫度500℃條件下,所得納米S_2O_8~(2-)/SnO_2-TiO_2具有最高的催化活性和選擇性,α-蒎烯的轉化率達98%,莰烯得率為62%.
용침지법이S_2O_8~(2-)위촉진제,제비득도척촌위15～20nm적복합고체초강산S_2O_8~(2-)/SnO_2-TiO_2,장기용우최화α-파희이구화반응.고찰료제비조건대기최화성능적영향,발현재Sn/Ti비2:1、S_2O_8~(2-)적침지농도1.0mol/L화배소온도500℃조건하,소득납미S_2O_8~(2-)/SnO_2-TiO_2구유최고적최화활성화선택성,α-파희적전화솔체98%,감희득솔위62%.
Nanometer composite solid superacid S_2O_8~(2-)/SnO_2-TiO_2 with witch granule of 15 ～ 20nm was prepared by impregnation with persulfate. It was used in isomerization reaction of α-pinene and the influence of preparation conditions on the catalyst performance was investigated. Under the suitable preparation condition, i. e. Sn/Ti mole ratio 2 : 1, S_2O_8(2-) impregnation concentration 1mol/L, and calcination temperature 500℃, the S_2O_8~(2-)/SnO_2-TiO_2 has highest activity and selectivity, and the conversion of α-pinene and the yield of camphene reach 98% and 62% ,respectively.
