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PAN-based carbon fibers were stabilized under various tensions in the presence of air at 230°C and sequentially activated at 950°C following carbonization. The prepared carbon fibers were tested for their SO 2 adsorption capacity using a thermogravimeter. The magnitude of tension during stabilization and gas environment were varied to study their effects on SO 2 adsorption capacity...
The effects of cycle period, cycle split, and liquid flow rate on SO 2 removal in a periodically operated trickle bed of activated carbon were investigated using a simulated flue gas containing 2500 ppm SO 2 . The highest measured SO 2 removal was 98%. Temperature waves observed in the bed were the consequence of periodic flushing with liquid coupled with the exothermicities...
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