FIELD: sorbents. SUBSTANCE: high-moor peat is dried, thermally treated in steps: at 120-150 C, 250-300 C, and 340-350 C at no oxygen access in sealed container and the cooled to 50-100 C. Released gas phase is cooled and condensate and non-condensed gas are separately collected. The latter is returned into container to cool peat and compensate pressure in the container. EFFECT: enhanced process efficiency and improved quality of sorbent. 6 cl, 5 ex
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