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Coal Srew Feeder

The pulverized coal -200 mesh 80 fed continuously by a screw feeder at the feeding rate of 5 kghr in some cases, 100 ghr was heated with pre-heated nitrogen or nitrogen-hydrogen mixture gases and devolatilized rapidly in a tubular reactor with a gas residence time of 2 seconds. The char produced in the vessel and cyclone was collected ...

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