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首页> 外文会议>Conference on Silicon for the Chemical Industry VI; 20020617-20020621; Loen; NO >Alkoxysilane Production at Pilot Scale Level: Operation and Modelling of Reactor Behaviour
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Alkoxysilane Production at Pilot Scale Level: Operation and Modelling of Reactor Behaviour

机译：中试规模的烷氧基硅烷生产：反应器行为的操作和建模

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摘要

The direct process applied to the synthesis of primary silicon compounds such as: chlorosilanes, methylchlorosilanes and alkoxysilanes has been studied at our laboratory with so promising results that it gave way to the onset of a research program concerning the construction and experimentation on pilot scale facilities. The latter level of experimentation has since been a core topic of our research group where an educational perspective takes into account the participation of both bachelor and graduate students. Pilot plant scale requires information from laboratory experiments in order to pursue an increased productivity objective. However, earlier low-scale considerations might not be quite well suited when up-scale data start flowing. This work presents recent results obtained from a pilot scale plant facility built-up to produce alkoxysilanes by a sterification reaction, based on the assumption that a prior constructed chlorosilanes pilot facility is in order to supply the raw material utilized in this reaction. From results obtained operating the pilot plant with two differently-sized stainless steel reactors 5 and 12 litter respectively, it became evident that an improved data interpretation was a requirement to fulfill a successful up-scale production path. Furthermore, the data suggest that no direct up-scale scheme is guaranteed, and for every up-scale step, all the process plant must be adjusted. Additional-to-regular operation measurements were taken such as the HCl_(g) concentration during the reaction. This new information along with prior and recent data allows a proposed reactor behavior model which departs in some vital aspects from those considered at lower-scale level. The reactor model seeks to depict what is occurring during the reaction step based on the measured data. The correlation between experimental and calculated values becomes thus a good approach to a wider knowledge about this reaction performed at a pilot scale level.
机译：在我们的实验室中已经研究了直接合成初级硅化合物（例如：氯硅烷，甲基氯硅烷和烷氧基硅烷）的直接方法，并获得了令人鼓舞的结果，以至于开始了有关中试规模设施的建设和试验的研究计划。此后的实验水平一直是我们研究小组的核心主题，从教育角度考虑了学士和研究生的参与。中试规模需要来自实验室实验的信息，以追求更高的生产率目标。但是，当大规模数据开始流动时，较早的低规模考虑可能不太适合。这项工作提出了从中试规模的工厂设施获得的最新结果，该工厂设施是通过预先建立的氯硅烷中试设施以提供用于该反应的原料而建立的，该工厂通过灭菌反应生产烷氧基硅烷。从分别使用两个不同尺寸的不锈钢反应堆5和12升的中试工厂获得的结果来看，很明显，改进数据解释是实现成功的大规模生产道路的必要条件。此外，数据表明不能保证直接的规模化方案，并且对于每个规模化步骤，必须对所有过程工厂进行调整。在反应期间进行常规操作测量，例如HCl_（g）浓度。这些新信息以及先前和最近的数据允许提出一个拟议的反应堆行为模型，该模型在一些重要方面与低规模水平的那些方面有所不同。反应器模型试图根据测量数据描述反应步骤中发生的情况。因此，实验值和计算值之间的相关性成为一种很好的方法，可以广泛地了解在中试规模下进行的该反应。

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