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1)  thermal cracking dehydrogenation
热裂解脱氢
1.
Its catalytic performance in thermal cracking dehydrogenation and oxidative dehydrogenation of ethane were investigated.
研究了高效甲烷氧化偶联制乙烯Na2WO4-Mn/SiO2催化剂对C2H6热裂解脱氢及C2H6与CO2、O2氧化脱氢反应的催化性能。
2)  dehydrogenation and cracking
脱氢裂解
1.
From comparative research of synchronous and asynchronous reaction of dehydrogenation and cracking of dipentene,it is shown that farraginous extent of by-products from synchronous reaction is relatively high.
双戊烯脱氢裂解的同步反应和异步反应对比研究显示,双戊烯脱氢裂解的同步反应产物比较混杂,反应产物中甲苯的相对含量仅为24。
3)  oxidative cracking/dehydrogenation
氧化裂解/脱氢
1.
The progress in the production of ethylene by several hydrocarbon cracking technologies,such as catalytic cracking, and oxidative cracking/dehydrogenation, have been summarized in this paper.
综述了氧化裂解/脱氢、催化裂解制乙烯技术的国内外研究进展,介绍了目前有代表性的研究成果,并对乙烯制备工艺的开发前景进行了探讨。
4)  hydrogenolysis-dehalogenation
氢解脱卤
1.
Catalytic hydrogenolysis-dehalogenation of 4,5-dichlorophthalic anhydride as model compound possessed aryl chlorides on the supported bimetallic Pd catalysts with different second metallic constituents was studied.
以4,5-二氯代苯酐为芳香族卤代物的模型物,对添加不同第二金属组分的Pd/C催化剂在碱性水溶液为非有机介质中的催化氢解脱卤反应进行了研究。
5)  hydrolytic deaminnization
水解脱氢
6)  heating dehydrogenation
加热脱氢
1.
In this paper, the tetraphenylphthalic anhydride is prepared with tetraphenylcyclopentadienone and maleic anhydride by the heating dehydrogenation instead of adding bromine,And make an approach to the conditions of heating dehydrogenation (heating to 2600~270℃).
提出了在由四苯基环戊二烯酮和顺丁烯二酸酐制备四苯基邻苯二甲酸酐时,用加热脱氢代替加溴脱氢,并对加热脱氢的条件(加热到260~270℃)进行了探讨。
补充资料:管式炉热裂解
分子式:
CAS号:

性质:将管式反应器置于加热炉中,不断用燃料燃烧加热反应器外壁,通过问壁传热,将热量传递给管内反应物料进行裂解的一种方法。裂解在水蒸气稀释剂存在下进行。由于不可避免地有二次反应发生,焦沉积于反应管内壁上,因此对原料有一定限制,一般只能用轻烃、石脑油、轻柴油,而不能直接用渣油等重油作为裂解原料。管式裂解炉构型很多,反应管材质为耐高温(1100℃以上)的合金钢,可用液体或气体燃料燃烧供热。此种方法操作简单、连续性好,技术成熟、便于高温热量回收,生产能力大,烯烃收率高,是当今石油烃裂解制乙烯、丙烯的最主要方法。

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