| http://www.w3.org/ns/prov#value | - The underflow stream 92, which is the brinedepleted in algae, underflows the flotation device and may be recycled or discarded.Suitable gases for use in adsorptive bubble separation devices should be non-toxic and non-hazardous, including air, nitrogen, carbon dioxide, helium, argon and other noble gases, which are generally considered chemically inert, and mixturesthereof.
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