FIELD: chemistry.
SUBSTANCE: broken waste material is first heated and subjected to carbonisation at 700-800°C, and then they are ground and granulated using as the binder petroleum tar and sulfite waste liquor, the obtained granules are dried, subjected to pyrolysis at 600-800°C in an inert environment activation is also conducted at 650-800°C within 30-120 minutes.
EFFECT: invention makes it possible to obtain high quality activated charcoal from waste wood products.
6 cl, 1 dwg, 4 tbl, 34 ex
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Authors
Dates
2008-08-20—Published
2006-12-07—Filed