3) catalytic isomerization
催化异构
1.
Preparation of Perilla aldehyde by Catalytic Isomerization of Myrtenal;
催化异构桃金娘烯醛制备紫苏醛
2.
This paper made a systematic exposition of the development in the study of catalytic isomerization of α-pinene with molecular sieves in recent years.
系统阐述了近年来分子筛在 α－ 蒎烯催化异构反应中的研究进
3.
The gas chromatography-mass spectrometry-data system(GC-MS-DS) is used to study the changes of major chemical components and to discuss the reaction mechanism during catalytic isomerization of turpentine over Pd/C.
目前关于松节油异构为高含量柠烯的报道不多,1996年,王石发、安鑫南等[4]以分子筛为催化剂催化异构α-蒎烯并用气相色谱分析其组成主要为莰烯、柠烯及异松油烯等;1999年,A llahverd iev A I等[5]用CP-W ax52 CB毛细管柱分离并鉴定出α-蒎烯的异构产物;2001年,Cristina V等[6]人研究了经过酸化后的蒙脱石催化α-蒎烯异构化反应,反应生成的产物主要是莰烯、柠檬烯、异松油烯、α-松油烯、γ-松油烯;2003年,Fehime等[7]以NH+4、Ba2+、Pb2+进行离子交换修饰天然斜发沸石用于α-蒎烯催化异构反应,产物主要为双、三环萜(莰烯和三环烯)。
4) catalytic thermal isomerization
催化热异构
1.
By GC-MS,46 peaks were separated and 43 compounds were identified from the reaction products of catalytic thermal isomerization of turpentine.
用气相色谱-质谱联用技术(GC-MS)对Pd/C催化剂上松节油直接催化热异构的反应产物进行了分析鉴定,共分离出46个峰,鉴定出43个化合物,其中主要产物为单环单萜烯苧烯、α-焦烯、1,3,5,5-四甲基-1,3-环己二烯、无环单萜烯3,4-二甲基-2,4,6-辛三烯、2,6-二甲基-2,4,6-辛三烯、双环单萜烯莰烯、单环单萜烃对伞花烃,其相对质量分数分别为:57。
5) isomerization catalyst
异构化催化剂
1.
In this paper,two flows of total isomerization process are introduced,and several aspects of this process are discussed including the characters of isomerized oil,isomerization catalyst and adsorbent,the feed projects of different feedstocks,the operational conditions and so on.
简单介绍了完全异构化工艺的2种流程,并对该工艺的以下几方面进行了分析:异构化油的特点、常用异构化催化剂的特点、常用吸附剂的特点、不同原料的进料方案和工艺操作条件等。
2.
The industrial application result of Pd-type C5/C6 isomerization catalyst was presented.
报道钯型C5／C6异构化催化剂的工业应用试验结果。
3.
C 8 aromatics isomerization catalyst, SKI 400 40, was prepared for using in the isomerization unit in Yangzi Petrochemical Company after expansion revamping to fulfill the specified operating conditions, such as high activity of catalyst, low hydrogen/oil ratio and high space velocity.
开发出适于扬子石油化工股份有限公司芳烃联合装置扩建后工况条件 (高活性、低氢油比、高空速 )的新型SKI 40 0 40型C8芳烃异构化催化剂。
补充资料：催化异构化
分子式：
CAS号：
性质：有机物分子在催化剂作用下，进行分子重排(分子组成不变)的化学反应。催化异构包括双键、叁键移位，碳环的扩大与缩小，官能团移位，碳骨架异构等。催化异构化过程可以是低温液相催化，也可以是高温多相催化。如甲酸甲酯在Rh催化下异构为乙酸，C5和C6正烷烃在Pt/Al2O3上异构为异构烷烃以提高辛烷值，混合二甲苯在Pt/SiO2-A12O3上异构为更有用的对二甲苯等。
CAS号：
性质：有机物分子在催化剂作用下，进行分子重排(分子组成不变)的化学反应。催化异构包括双键、叁键移位，碳环的扩大与缩小，官能团移位，碳骨架异构等。催化异构化过程可以是低温液相催化，也可以是高温多相催化。如甲酸甲酯在Rh催化下异构为乙酸，C5和C6正烷烃在Pt/Al2O3上异构为异构烷烃以提高辛烷值，混合二甲苯在Pt/SiO2-A12O3上异构为更有用的对二甲苯等。
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参考词条