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- In this paper synthesis process of pseudo boehmite by aluminum sulfate and its application in the preparation FCC catalysts are described. 摘要报导了以硫酸铝为原料合成拟薄水铝石的工艺以及该工艺所制拟薄水铝石用于只FCC催化剂的制备。
- Behavior of activated alumina in FCC catalysts were investigated by N_2 absorption,IR and XRD. 采用N2吸附法、IR和XRD等手段研究了活性氧化铝用于催化裂化(FCC)催化剂中的性能。
- Attrition-resistance and catalytic properties of FCC catalysts prepared by different processes were investigated. 考察了不同工艺制备的催化剂耐磨性能和反应性能的差异。
- Cerium showed more effective than lanthanum for vanadium tolerance of FCC catalysts. 氧化铈较氧化镧更容易与钒反应,因而具有更强的抗钒能力。
- Ni and V pollute FCC catalysts seriously. Using metal passivatos is the most economic and efficient method to solve this problem. 流化催化裂化(FCC)过程中,沉积在催化剂上的金属Ni,V会导致催化剂严重失活,加入金属钝化剂是解决上述问题的经济有效的办法。
- The experiments of catalytic dehydration of ethanol were carried out in a bench scale fixed-fluidized bed (FFB) unit over three FCC catalysts. 摘要 在小型固定流化床反应装置上使用三种不同的催化裂化催化剂进行了乙醇催化脱水制乙烯反应性能的研究,并对其反应化学及反应机理进行了初探。
- The properties and commercial application of LIP FCC catalyst for more iso-alkanes were described. 摘要介绍了LIP系列多产异构烷烃催化剂的性能及工业应用情况。
- A mathematical model for computing FCC catalyst fluidizing regeneration process is presented. 介绍了一种用于计算催化裂化催化剂流化再生反应过程的数学模型。
- Recent progress in the research on the ways and forms of nickel deposition on FCC catalysts as well as their influence on catalytic cracking process are reported. 本文总结了关于流化催化裂化(FCC)催化剂上镍沉积方式、形态和镍沉积对催化裂化反应影响的研究成果。
- Latest researches in FCC catalysts using silica sol as the binder were reviewed,including the properties,features and factors influencing on stability of silica sol. 介绍了以硅溶胶为粘结剂的催化裂化催化剂国内外研究现状,以及硅溶胶的性能、特点和影响硅溶胶稳定性的因素。
- FCC catalysts using silica sol as the binder features improved selectivity to coke and higher resistance to attrition.strength of the catalysts can be enhanced by adding surf... 含硅粘结剂的催化剂抗磨损能力和焦炭选择性较好,催化剂的强度可以通过添加表面活性剂和铝盐得到改善。
- Alumina sol and acidified pseudoboehmite are important binders which are widely used in preparing semi-synthesized FCC catalyst. 氧化铝溶胶和酸化拟薄水铝石是目前国内制备半合成FCC催化剂的常用粘结剂。
- Various FCC catalysts and relevant materials were ground by using SKR 80 sand grinder.The changes of zeolite crystallinity and particle size during grinding were found. 应用SKR-80型砂磨机,对多种催化裂化催化剂物料进行了砂磨试验,找出了沸石结晶度、粒度等物料性质在砂磨过程中的变化规律。
- The properties of Hancheng kaoline and the FCC catalyst from its in situ crystallization were studied in the laboratory. 在实验室进行了韩城高岭土的性质及其原位晶化所制FCC催化剂的研究。
- Latest researches in FCC catalysts using silica sol as the binder were reviewed, including the properties, features and factors influencing on stability of silica sol. 摘要介绍了以硅溶胶为粘结剂的催化裂化催化剂国内外研究现状,以及硅溶胶的性能、特点和影响硅溶胶稳定性的因素。
- The new zeolite, when formulated into an FCC catalyst, shifts the balance between isomerization and cracking toward the isomerization. 这种新型的沸石配入催化裂化催化剂后,使异构化和裂化反应之间的平衡向异构化方向移动。
- It is mainly the butylene in the C4 hydrocarbons that undergoes catalytic reactions over the FCC catalyst and butane is hard to convert. 在C4烃类催化转化过程中,丁烯是主要的反应物,而丁烷几乎不反应;
- The results showed that in the condition of preparation and application of FCC catalyst,activated alumina exhibited steady surface area,pore volume and acidity. 结果表明,在FCC催化剂制备及应用条件下,活性氧化铝保持比较稳定的比表面积、孔容和酸性等性能。
- Abstract: A pressurization vessel instead of the original vented vessel was used to determine the aluminum oxide content in FCC catalyst to enhance its solubility in acid solvent. 文摘:采用1+1盐酸水溶液作溶解试剂,压力溶弹密封溶解催化剂样品测定氧化铝含量。
- The experiment result shows that FCC catalyst has aromatizing and cracking performances on C4 hydrocarbons.Yield of aromatics and propene can be enha... 实验结果表明,催化裂化催化剂对C4烃类具有一定芳构化和裂化性能,在适宜的反应条件下,可增产芳烃和丙烯。