What had to be solved
Handle high-volume, difficult produced water while reducing open-system exposure.
A tank-type supercavitation closed-flotation application for polymer-bearing heavy-oil produced water at Gudong.

Handle high-volume, difficult produced water while reducing open-system exposure.
Integrate supercavitation demulsification and gas flotation in a closed tank configuration.
A cited design capacity of 45,000 m³/d for a heavy-oil, polymer-bearing produced-water stream.