Filtration of chlorosilane liquid
Thread Content
This post was last edited by zyucao on 2009-9-27 08:53. We plan to make modifications to the filtration process for chlorosilane liquids; the existing filters do not perform as well as desired. Do anyone have any good suggestions? What are some good filters for solid impurities with a particle size in the range of around 1 um? Please discuss what filtering methods you are currently using, what the shortcomings are, and what improvements you would like to see
What are the main components of solid impurities within a particle size range of around 1um? Silicon powder? Catalyst? Let’s discuss it together
Use a liquid filter; the best filter elements are those made of stainless steel or powder-sintered materials of higher quality. A regular filter won’t do, as the special medium imposes high requirements on the filtration system!
Are they the silicon tetrachloride impurities and high-boiling substances removed by the distillation tower?
Currently, basket filters are commonly used for liquid chlorosilanes. Personally, I think that if there is a large amount of fine silicon powder, it might be possible to use micro-porous filters (with a precision of 0.1μm)
This post was last edited by zyucao on 2009-9-27 08:55. For the filtration of gas silica powder in the syngas section, the use of filter bags or metal sintered filter elements can achieve satisfactory results; this approach can be considered quite mature. However, there is still little discussion regarding the filtration of chlorosilane liquids. Please share the filtration methods you are currently using, point out any shortcomings, and suggest possible improvements
0.2um or 0.05um ceramic membrane tubes can be used for filtration
The finer the filter, the more likely it is to get clogged; this factor must be taken into consideration when selecting one for future use
This should be the core technology for wet dust removal
The finer the filter, the easier it is to get clogged
A liquid filter can use a metal-sintered ceramic filter element. Shandong Zhongcai High-Tech and Qidong Tianyu are recommended. The key is to increase the filtering area. Furthermore, based on experience gained from communicating with manufacturers, it is best to use gas-phase filtration, as this yields much better filtering results. Monte in the United States and other places can do it.