Simulating particles & liquid in a cyclone

[JuhaHo]

I made a few test renderings with my latest setup. They look awful, mostly because of particles that penetrate through the wall of cyclones and tanks. I think I might have overlooked this collision radius parameter. I have left it to default. Absolute. What would be the correct way to keep the particles inside desired volume? I'm now testing Shape radius parameter. Is that correct approach?

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I honestly thought, that paying subscription would enable some kind of support, but I was apparently wrong. There isn't such thing - or is there?

Are there any ideas on how to reach tyFlow support?