FIELD: chemical technology. SUBSTANCE: method involves feeding for mixing of furfural, concentrated sulfuric acid and pyrolysis resin, thermoreactive resin or their mixture at the following ratio of components, wt.-%: pyrolysis resin, thermoreactive resin or their mixture is 2-41; concentrated sulfuric acid is 8-14, and furfural - the rest following by mixture dispersing into the heated medium which does not mixed with that, granule hardening, their carbonization and activation. EFFECT: improved method of adsorbent preparing.
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Authors
Dates
1995-01-20—Published
1993-12-23—Filed