Method of making activated carbon honeycombs having varying adso

Details Method of making activated carbon honeycombs having varying adso Method of making activated carbon honeycombs having varying adso

1994-04-15

1996-04-23

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Controlling varying temperature or plural heating steps

55DIG5, 95901, 21050027, 264 296, 264DIG48, 4234478, C01B 3100, B29C 4318

Patent

active

055100635

ABSTRACT:
An activated carbon body having flow-through channels and method of making the body. The method involves combining and shaping channel-forming material and optionally fugitive pore-forming material and non-fugitive support material, and a crosslinkable resin into a green body and curing the resin. The temperature at which the channel-forming material begins to distort is greater than the curing temperature of the resin. The resin is carbonized and at the same time the channel-forming material is vaporized out to form a carbon body having flow through channels in the configuration of the fugitive material. The carbon body is then activated. Among other shapes the channels can be straight, curved or crisscrossed.

REFERENCES:
patent: 3825460 (1974-07-01), Yoshikawa et al.
patent: 3922412 (1975-11-01), Yoshikawa et al.
patent: 4399052 (1983-08-01), Sugino
patent: 4518704 (1985-05-01), Ikabayashi et al.
patent: 4686072 (1987-08-01), Fukuda et al.
patent: 4956131 (1990-09-01), Shigeta et al.

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