A comparative investigation of soluble filter cakes upon contact with liquid droplets

A. D. Schwarz*, J. Meyer, A. Dittler, Karlsruhe Institute of Technology (KIT), Germany

Soluble particles are present in the surrounding air and can often uncontrollably find their way into filtration processes. In dry processes, this does not lead to issues or unforeseen filtration outcomes, but upon contact with high humidity or fine liquid droplets, the effect of the mobilized soluble particles on the filtration process remains unpredictable and unexplained. The exposure of soluble particles in filtration processes to fully formed liquid droplets especially leaves many unanswered questions.

The aim of this research is to understand the behavior of soluble particles upon contact with liquid droplets during filtration processes and its impact on the processes’ operational performance.

The movement and rearranging of soluble particles upon contact with liquid droplets are being investigated. As this topic is still fairly new and first results will determine the further direction the research in the field will take, it is crucial to choose a suitable material system, which will show effects in a clear fashion, and is relevant to engineering applications. Multiple material systems, including different salts e.g. NaCl and K2SO4, and filter media were compared in this work and the material system in the focus of further research will be presented. This research is based on a comprehensive literature review and experimental results. The experiments were...

Session: G6 - Surface Filtration II
Day: 23 October 2019
Time: 10:45 - 12:00 h

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