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Direct conversion of biomass-derived syngas (bio-syngas) to dimethyl ether (DME) at pilot-scale (100t/a) was carried out via pyrolysis/gasification of corncob. The yield rate of raw bio-syngas was 40–45Nm 3 /h with less than 20mg/Nm 3 of tar content when the feedrate of dried corncob was 45–50kg/h. After absorption of O 2 , S, Cl by a series of absorbers and partial removal...
The integrated pilot-scale dimethyl ether (DME) synthesis system from corncob was demonstrated for modernizing utilization of biomass residues. The raw bio-syngas was obtained by the pyrolyzer/gasifier at the yield rate of 40–45Nm 3 /h. The content of tar in the raw bio-syngas was decreased to less than 20mg/Nm 3 by high temperature gasification of the pyrolysates under O 2 ...
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