Method for activating a woven or non-woven textile sheet of cont

Details Method for activating a woven or non-woven textile sheet of cont Method for activating a woven or non-woven textile sheet of cont

1996-11-15

1999-07-27

Lewis, Michael

Catalyst, solid sorbent, or support therefor: product or process

Solid sorbent

Free carbon containing

4234476, B01J 2002

Patent

active

059289864

ABSTRACT:
A method of activating a fiber sheet comprising carbonized filaments or spun carbonized yarn includes causing the sheet to travel horizontally through a furnace including at least one horizontal heat treatment zone in which there is maintained a regular and uniform temperature lying in the range of 800.degree. C. to 1000.degree. C. at a linear speed lying in the range 1 to 5 cm/min. over the length of the heat treatment zone and maintaining at least in the zone a constant flow of an oxidizing gaseous fluid that is uniformly distributed therein and at a pressure close to atmospheric pressure. A temperature-raising zone and a temperature-lowering zone are located at opposite ends of the treatment zone relative to the travel direction of the sheet and inlet and outlet sections of the treatment zone are fitted with air locks having cooling and suction systems.

REFERENCES:
Chemical Abstracts, v. 104 (1986) Jan., No. 2, Columbus, Ohio, U.S.A., p. 67, 104:7109s: "Activation of carbon Fibers", Nakanishi et al. No Month.

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