阴、阳离子对石油焦气化反应的影响

发布时间：2018-03-06 07:39

本文选题：石油焦　切入点：催化剂　出处：《化工进展》2017年06期 　论文类型：期刊论文

【摘要】：石油焦是炼厂劣质原油加工的副产物,其作为燃料来说具有较多的不足之处。利用高温气化技术可以实现石油焦的资源化再利用。文中对4种主流的气化反应机理进行对比分析,并结合现有的催化气化理论对气化反应过程中阴、阳离子及自由基对气化反应的影响机制进行讨论,对不同种类离子所适用的气化反应机理加以分类总结并指出存在的问题。指出阴、阳离子对石油焦气化反应影响较大,气化机理对于单一类型离子催化过程的作用机制解释较为合理,但对于不同种类离子复合后相互作用的现象解释不通。同时,石油焦中所含的一些重金属离子会抑制石油焦的气化反应活性,机理对于上述现象也并未深入研究。在此基础上,提出了气化反应中离子间的相互作用及重金属离子对气化反应的影响机理将是今后的研究重点。
[Abstract]:Petroleum coke is a by-product of poor crude oil processing in refineries. As a fuel, it has many disadvantages. The utilization of high-temperature gasification technology can realize the reuse of petroleum coke. In this paper, the gasification reaction mechanism of the four main streams is compared and analyzed. The mechanism of influence of anions, cations and free radicals on gasification reaction was discussed based on the existing catalytic gasification theory. The gasification reaction mechanism applicable to different kinds of ions is summarized and the existing problems are pointed out. It is pointed out that anions and cations have a great influence on the gasification reaction of petroleum coke. The gasification mechanism is reasonable for the action mechanism of a single type of ionic catalysis process, but not for the phenomenon of interaction after the recombination of different kinds of ions. At the same time, Some heavy metal ions contained in petroleum coke can inhibit the gasification reaction activity of petroleum coke, and the mechanism is not deeply studied. It is suggested that the interaction between ions in gasification reaction and the mechanism of heavy metal ions affecting gasification reaction will be the focus in the future.
【作者单位】：中国石油大学(华东)化学工程学院;
【分类号】：TE626.87

【相似文献】