Manufacture of fibrous activated carbons

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

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264 292, 264 294, 4234475, 4234477, 4234478, 4234479, 427227, 427324, 427380, 427381, 502184, B05D 302

Patent

active

046998969

ABSTRACT:
A method of preparing a fibrous activated carbon including the steps of carbonizing and activating cellulose fibre at temperatures between 200.degree. C. and 1000.degree. C. in an inert atmosphere, characterized in that, prior to activation, the fibre is impregnated with an impregnating material comprising, in the form of one or more compounds, boron and at least one alkali metal.

REFERENCES:
patent: 3385915 (1968-05-01), Hamling
patent: 3542582 (1970-11-01), Degginger
patent: 3847833 (1974-11-01), Bailey et al.
patent: 4409125 (1983-10-01), Nishino et al.

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