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Got it. Thank you to all who responded. I'm not sure how to respond to each individual comment. It sounds like it is possible to avoid cavitation by creating a higher pressure at the pump / impeller entry. That could be created by gravity induced pressure or a pressurized tank.

Does cavitation make it impossible? I believe that it is very difficult to impossible, but want experts to weigh in.

I'm wondering if this is actually a thing. Are there pumps that can create at least 4 Bar pressure and a flow rate of 1000 gallons a minute for water that is 80C - 100C?

LittleInch - Thank you. Ok. Since the density of air is 1.25kg/m3, roughly 800 liters of air is 1 kg. If the eductor ratio is 20:1 then for every cubic meter of water (1,000 liters), the eductor will circulate 20 cubic meters of air (25 liters of air) which is only ~.032 kg of air. So the cubic...

Thank you to everyone who responded. Yes, I did do an Internet search, but I couldn't find exactly what I was looking for. I would like either a max ratio of gas to liquid that is possible or an equation that can predict the ratio. I found one manufacturer of eductors that claims a 20:1 gas to...

My apologies ahead of time since I'm a newbie. I am wondering if someone can help me with an equation to calculate gas circulation based on motive water flow. The scenario is a Venturi eductor or injector whichever works better for liquid circulating a gas. What is a ballpark ratio of liquid...