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- The effects of the compostion s of different catalytic stocks on catalytic cracking reaction was discussed. 讨论了不同催化原料油组成情况及其对催化裂化反应的影响。
- The latest research progress on the catalysts used in the cracking reaction of MTBE to produce isobutene was reviewed. 本文综述了近年来MTBE裂解制备高纯异丁烯催化剂的新进展。
- The EDC cracking reaction rate is higher in the wall zone and reaches a maximum at 0.3 of dimensionless length of reactor coil. 表明确定最优的炉管管径时必须考虑提高裂解速率与降低结焦速率之间的平衡。
- The lumping strategies of catalytic cracking reaction and their reaction networks are concluded,their advantages and disadvantages are discussed. 对催化裂化反应集总方法及相应的反应网络进行归纳,并讨论其优缺点;
- There exists intensive mass-transfer, heat-transfer and momentum-transfer between catalysts and cracking reaction synchronously. 催化裂化提升管反应器内原料油和催化剂颗粒间存在强烈地传质、传热和动量传递，同时进行着复杂地裂化反应。
- The existing of poypropylene can raise the liquid fraction ratio, especially the light oil ratio, so it can fortify the effect of the cracking reaction of polyene to light oil. 摘要在废旧聚烯烃的裂解反应中，聚丙烯的存在，可以提高轻油馏份的收率，增强反应的油化效果，本文称之为聚烯烃裂解反应的增强效应。
- It is confirmed once again by transmission electron micrograph (TEM) and electron paramagnetic resonance (EPR) that Ni(0) is the active renter for cracking reaction. 用透射电子显微镜(TEM)及电子顺磁共振技术(EPR)进一步证实了Ni(0)是裂化反应的活性中心。
- With the raising of partial hydrogen pressure, the cracking reaction of tert-butylbenzene is prompted, while the conversion of butylbenzene is restricted. 叔丁基苯的转化率随氢分压的升高而提高，正丁基苯的转化率随氢分压的升高而降低。
- Not only were there the gas solid two phase turbulent flows, but also there were heat transfer and cracking reaction in the commercial flow catalytic cracking(FCC) riser reactors. 工业催化裂化提升管反应器内既存在着气固两相的湍流流动，又存在着传热和裂化反应，而且这些过程是相互影响、高度耦合在一起的。
- The existing of poypropylene can raise the liquid fraction ratio,especially the light oil ratio,so it can fortify the effect of the cracking reaction of polyene to light oil. 在废旧聚烯烃的裂解反应中,聚丙烯的存在,可以提高轻油馏份的收率,增强反应的油化效果,本文称之为聚烯烃裂解反应的增强效应。
- Effect of temperature on gasoline olefins cracking reaction over acid catalysts in fixed fluidized bed(FFB)reactor was studied and 1-heptene was used as model compound. 以1-庚烯为模型化合物,在小型固定流化床上研究了反应温度对汽油烯烃在酸性催化剂上反应的影响。
- The predictions reveal that flow behavior is significantly changed when cracking reaction take place inside downer reactors and scale-up of reactors can cause reduction of yield. 而反应器床径的增大将导致转化率和各产物收率的下降。
- In this paper,the rate constant and equilibrium constant of the crack reaction of methyl silicane were obtained with the transition state theory and quantum chemistry calculation. 本文采用过渡态理论和量子化学计算方法,首次计算得到了甲硅烷裂解反应的速率常数和平衡常数,并对结果进行了讨论。
- Heat produced by burning coke is used to continue the primary reaction as the hot catalyst is circulated back to the reactor and provides the heat of reaction for the cracking reaction. 燃烧的焦炭所产生的热量使主反应持续地进行，同时热的催化剂流通回到反应器并为之提供热量。
- The effect of high temperature steam treatment on the surface property and the catalytic activity of HZSM-5 zeolite has been studied by TPD, ESCA/SAM, vacuum weight adsorption of n-hexane and cyclohexane as well as cracking reaction of n-hexane. 采用程序升温脱附(TPD)、真空重量吸附、ESCA和正己烷的裂化反应研究了水热处理对ZSM-5沸石表面性质及催化性能的影响。
- The reaction of methanol conversion to light olefins went deeply because of the interaction between methanol and naphtha, moreover, which promoted the cracking reaction of naphtha. 甲醇与石脑油的交互作用使得甲醇转化为低碳烯烃的反应程度加深，同时促进了石脑油的裂化反应。
- DMC was prepared by cracking reaction of the waste silicone products,which were the waste silicone oil and waste silicone rubber tailings,in the presence of dodecyl benzene sulfonic acid and catalyst. 以废有机硅制品(如废硅油、废硅橡胶制品下脚料等)为原料,在十二烷基苯磺酸和催化剂存在下裂解,得到硅氧烷混合环体。
- The relationship of catalyst acidic properties to coke activity in catalytic cracking reactions is studied by IR,TG,and XRD. 采用IR、TG、XRD等技术研究催化裂化反应中催化剂的酸性质与积炭的关系。
- Based on the precise mechanistic model and molecular reaction kinetic model of cracking reaction kinetics,the platform can support the simulation of cracking process with various feeds. 该平台基于裂解反应动力学的严格机理模型和分子反应动力学模型,支持对多种热裂解原料的裂解过程模拟。
- A little crack detracts from the value of the vase. 小小的裂痕减损那个花瓶的价值。
