How Does Vacuum Affect Solid Carryover in a Reactor Vent and Scrubber System?

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The discussion focuses on the impact of slight vacuum (~400 mmWC) in a reactor vent connected to a scrubber system on solid carryover. The user seeks a method to calculate the approximate amount of solid that may carry over to the scrubber due to this vacuum. Participants note that the question lacks clarity and request a diagram of the system for better understanding. A simple hand sketch is suggested as sufficient for clarification. Accurate calculations depend on visual representation of the setup.
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I have a system, in which Reactor vent is connected to scrubber. Due to which reactor is under slight vacuum, ~400 mmWC

Solid is being charged to the reactor at a very low rate manually.

Is there any way to calculate approximate amount of solid which will get carryover to scrubber due to slight vacuum.
 
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Your question is unclear. We need a diagram showing the system in order to help you.

EDIT: It does not need to be extremely detailed - a hand sketch should be good enough.
 
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