Abstract

ABSTRACT A retorting pilot plant with capacity of 10 kg/h using hot char as solid heat carrier was constructed. This paper describes experimental results using four different lignites. The product char was used as solid heat carrier and the retorting temperature range was 450°C-670°C. The maximum yield of tar was up to 92% of the value of Fischer Assay. Produced gas and tar can be used as chemical feedstock and they are clean energy.

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