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Tung FDG Test Facility. Phase 2, Pilot plant demonstration. Final report

机译：董FDG测试设施。第2阶段，试验工厂示范。总结报告

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The Tung FGD Process is a regenerative process which extracts SO2 from a scrubbing liquor into an organic medium using mixer-settlers followed by steam-stripping the SO2 off from the organic medium. For the process to operate satisfactorily, (1) the organic must be stable, (2) phase separation must be relatively fast, (3) crud (i.e. solids in-between two phases) must not form and (4) SO2 must be able to be stripped off from the organic medium readily. The demonstration confirmed that the first three conditions can be met satisfactorily. Much lower stripping efficiency was attained in the pilot plant demonstration than what was previously attained in a bench-scale demonstration. Engineering analysis showed that the pilot plant stripping column was scaled up from the bench-scale column incorrectly. A new scale-up criterion for stripping a relatively viscous liquid medium is proposed based upon pilot plant data.

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