Process for producing activated charcoal

Catalyst – solid sorbent – or support therefor: product or process – Solid sorbent – Free carbon containing

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Details

502426, 502437, C01B 3112, B01J 2020

Patent

active

053915348

ABSTRACT:
A process for preparing activated charcoal having a high surface area is described, including a thermal treatment, in the presence of phosphoric acid, of regenerated humic acids.

REFERENCES:
patent: 1621195 (1927-03-01), Ernst et al.
patent: 3624004 (1971-11-01), Wennerberg
patent: 3726808 (1973-04-01), Wennerberg
patent: 4788360 (1988-11-01), Calemma et al.

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