Submerged circulative impinging stream

H. Sun, Y. Wu, J. Zhang and C. Xu, Pressure fluctuation in the submerged circulative impinging stream reactor, a paper To be pubhshed. 

Since 1995, the author of the present book has organized a number of investigations, theoretical and experimental, on the properties and application of the submerged circulative impinging stream reactor (SCISR) [9, 13, 15-18, 31], The flow configuration inside the reactor is two impinging horizontal streams, as shown in Fig. 

Pressure fluctuation The results of an investigation carried out by Sun et al. [156] showed that, under normal operating conditions of the submerged circulative impinging stream reactor (SCISR), there is considerably strong pressure fluctuation, the major frequencies of which are under about 1 kHz and the maximum amplitude can be as large as 1.4 kPa. 

The submerged circulative impinging stream reactor (SCISR) [15] has been developed by the author of this book on the basis of a number of investigations, some of which were supported by The National Natural Science Foundation of China. It is a new type... 

PRESSURE FLUCTUATION IN THE SUBMERGED CIRCULATIVE IMPINGING STREAM REACTOR... 

The pressure fluctuation in the submerged circulative impinging stream reactor... 

For further verification that the LIS promotes process kinetics, Wu et al. [181] studied comparatively the kinetics of ethyl acetate saponification in the submerged circulative impinging stream reactor (SCISR) and a stirred tank reactor (STR), respectively. The chemical reaction is represented by... 

Chen [16] studied experimentally the preparation of ultrafine white carbon black by the common (one-step) precipitation process with the submerged circulative impinging stream reactor (SCISR) developed by Wu [15] as the reaction-precipitation equipment and obtained satisfactory results. 

In the investigation on preparation of ultrafine white carbon black the submerged circulative impinging stream reactor (SCISR) is used as the reaction- precipitation equipment, the structure of which is the same as that shown in Fig. 10.2 it also has the same effective volume of 3.6x10 m but the top cover is not used for convenience because the process is carried out at room temperature and under atmospheric pressure. 

The experimental equipment system for the preparation of nano copper powder by reduction-precipitation is shown in Fig. I4.l, where the submerged circulative impinging stream reactor (SCISR) has the same structure as was used in the investigations described in the previous chapters in Part II of this book, with the same effective volume of 3.6x10 3 m it is also operated without the top cover but is made of titanium for anti-corrosion of Cl-. 

An investigation on the preparation of nano Titania by TiCl4-hydrorization-precipitation was carried out with the submerged circulative impinging stream reactor (SCISR) as the reaction device and the results compared with those obtained with the traditional stirred tank reactor (STR). The following can be concluded ... 

Also, the results above verify again that the submerged circulative impinging stream reactor is especially suitable for the preparation of ultrafine particles by reaction-precipitation and exhibits very good performance. 

Xiao. Yang (2002). Flow and mixing in the submerged circulative impinging stream reactor. ME thesis. Wuhan Institute of Chemical Technology, Wuhan, China (in Chinese). 

Chen, Yu, Liu, Huayan and Wu, Yuan (2000). Flow and mixing in submerged circulative impinging stream reactor. Proc. 3rd Joint China/USA Chem. Eng. 

Wu, Yuan, Xiao, Yang and Chen, Yu (2002). Submerged circulative impinging stream reactor. Chem. J. on Internet, 4(9) P.44. 

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