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- The coke formation on butadiene catalyst was studied in a flow system by means of carbon-14-labelled compounds. 在流动系统中;用碳-14标记化合物研究了丁二烯催化剂上的结焦过程.
- New technology of inhibition of coke formation and its application in the ethylene steam cracking are also introduced. 综述了近几年在乙烯裂解过程中结焦机理研究及结焦抑制技术的进展。
- Study of coke formation during FCC naphtha cracking was carried on a laboratory fixed-fluidized bed reactor. 在实验室采用固定流化床反应器,研究了催化裂化汽油裂化时的焦炭生成。
- Infrared spectroscopic technique was used to study the coke formation on ultrastable faujasites (USY) in detail. 本文应用红外光谱技术,详细研究了水热处理温度对超稳Y沸石(USY)表面羟基及1-己烯结炭过程的影响。
- The research found that the parameter of dispersion property exist the pertinency with the quantity of coke formation. 研究发现,分散性能参数与渣油加氢裂化结果存在相关性。
- At the end of the run, the large metal deposits and coke formation lead to deactivation by pore plugging. 最后阶段的快速失活的原因是大量金属与积炭堵塞了孔道。
- Analysis of labelled ethanol desorbed at different temperatures indicated that the adsorbed ethanol did not take part in the coke formation. 吸附标记乙醇的升温脱附产物的分析结果表明;吸附态乙醇并不结焦.
- But this catalyst generally shows low conversion of methane and poor stability, owing to irreversible coke formation on the catalyst. 但是此催化剂有较低的甲烷转化率,在反应过程中有大量的积炭生成,导致催化剂迅速失活。
- Based on the delayed coke principles, the measures for retarding the coke formation velocity and prolonging the continuous production period of cok... 根据延迟焦化原理,合理设计,精心操作,可减缓焦炭生成速度,使焦化炉的连续开工周期得以延长。
- The thermo-cracking of Karamay vacuum residue (VR) was carried out to find the optimum condition at which the VR was thermally cracked deeply without the coke formation. 对克拉玛依减渣进行适度热转化,确定了其裂解深度最大且不结焦的条件。
- Deactivation of the Ni/Al 2O 3-SiO 2 catalyst was mainly attributed to the Ni 3S 2 production, agglomeration of nickel clusters, and coke formation during the reaction. 结果表明 ;催化剂失活的主要原因是加氢原料中的硫化物与催化剂活性组分镍发生反应生成了Ni3 S2 、镍晶粒长大和催化剂结焦 .
- The hydrocarbon cracking catalysts prepared by the silica rich REHY as an active component possessed high cracking activity, low coke formation and high metal tolerance... 用该富硅分子筛作为活性组分制备的烃类裂化催化剂,具有活性高、积炭量低和较强的抗重金属污染能力。
- In accordance with the processing conditions, suitable selection of zeolite and matrix to avoid gasoline overcracking and high coke formation was suggested. 应根据装置加工的具体状况,选择适宜的活性组元及载体,避免汽油的过度裂解和高的生焦率。
- Abstract The factors influencing the coke formation in FCC disengager were analyzed.The coke formed in FCC process can be divided four types according to their formation mode. 摘要 在催化裂化工艺中,根据结焦的产生方式可分为催化焦、附加焦、可汽提焦和污染焦。
- Rate equations of coke formation and relationships between catalyst activity and catalyst coke content were developed by concerning with the formation of both monolayer and multilayer coke. 在试验范围内,得到了结焦速率式,结焦量与反应时间,结焦量与催化剂活性的关联式。
- The behavior of coke formation of benzene on AF-5 zeolite was studied using a differential reactor. Rate equation of coke formation and correlations between amount of coke deposition, reaction time and partial pressure of benzene were established. 本文采用微分反应器研究苯在AF-5分子筛催化剂上的结焦规律,在试验范围内得到了结焦速率式,结焦量与反应时间和苯分压的关联式。
- The catalysts exhibited good adaptability to feedstock at high carbon space velocity, with higher conversion, little pressure drop over the bed, good tolerance to steam hydration, poisoning and coke formation, and good regeneratibility. 结果表明,该催化剂对原料的适应性较强,使用空速高,转化率高,床层阻力降小,抗蒸汽水合氧化能力、抗毒物能力和抗积炭能力较强,催化剂可还原再生,烧炭速率快。
- The equivalent ESR amplitude in relation to different amount of coke formation is observed, on three catalysts, it means that the different reactant species from three catalysts make different contributions to ESR amplitude. 对三种催化剂观测到相同ESR幅值对应着不同的积炭量,这意味着来自三种催化剂的不同反应物种对ESR幅值贡献不同。
- I bought a cup of coke and some popcorn. 我买一杯可口可乐和一些爆米花。
- First, ore is mixed with coke and limestone. 先把铁矿石和焦碳、石灰石混合在一起。