超细固体酸TiO_2-SO_4^(2-)催化α-蒎烯异构反应研究  

STUDY ON THE CATALYTIC REACTION OF SUPERFINE SOLID STATE ACID TiO 2 SO 2- 4 FOR α PINENE ISOMERIZATION

作　　者：杨启云[1] 戚建英[1] 曹晋荣[1] 罗蕾[1] 

机构地区：[1]云南教育学院产业处化学系

出　　处：《化学研究与应用》1997年第3期250-253,共4页Chemical Research and Application

摘　　要：通过Ｔｉ（ＳＯ４）２与Ｈ２Ｏ２反应生成的配合物沉淀来制备超细ＴｉＯ２－ＳＯ２－４固体酸催化剂，考察了催化剂焙烧过程的热分解性质，确定了催化剂的焙烧温度。用ＸＲＤ及ＴＥＭ测定了催化剂的晶形及颗粒大小，并研究了催化剂对α－蒎烯异构反应的产物分布，主要异构产物为莰烯。α－蒎烯转化率为９１％，莰烯选择率为６７％。Superfine solid state acid calalyst TiO 2 SO 2- 4 was prepared by the complexing titanium salfate with hydrogen peroxide.In the process of roast the thermolysis of the catalyst was investigated,the roasting temperture being determined.Crystal form and particle size of the catalyst was characterized by XRD and TEM.By using TiO 2 SO 2- 4 as catalyst,the products distribution of α pinene isomerization was studied.Main isomeric product was camphene.The conversion of α pinene reached 91%.The selectivity of camphene was 67%.

关 键 词：催化剂 Α-蒎烯 异构化 莰烯 固体酸 硫酸钛 

分 类 号：O643.36[理学—物理化学] O624.13[理学—化学]