Process for continuously producing carbon fabric adsorbents and

Details Process for continuously producing carbon fabric adsorbents and Process for continuously producing carbon fabric adsorbents and

1997-05-08

1998-10-13

Stinson, Frankie L.

Bleaching and dyeing; fluid treatment and chemical modification

Fluid treatment

Gas or vapor

8151, 68 5C, 68205R, D06B 310

Patent

active

058193502

ABSTRACT:
Carbon fabric adsorbents are produced by using a cellulose fabric as precursor, which is pretreated by washing with water, drying, immersion in chemical solution, force adsorbing and drying to be rewound into rolls; leading the pretreated roll by one end into a high temperature reactor from the upper end of the reactor and out from below the reactor at a set rolling up speed; controlling the temperature from the upper part to the lower part in the reactor body by gradually increasing it, wherein at the lowest part where it is adjacent the outlet port the temperature is controlled to permit the precursor that has passed through inside the reactor to be heated gradually from the above downwardly so that the precursor is oxidized, carbonized and activated; while the precursor is being subject to reaction treatment in the reactor, passing on the lower part of the reactor a reverse water vapor stream opposite the direction of action of the precursor to allow the precursor to be activated and to blow clean micro-particles and tars from its surface; and rewinding the activated carbonized textile leading out from the lower part of the reactor onto a rewinding roller.

REFERENCES:
patent: 4075875 (1978-02-01), Heidan
patent: 4461159 (1984-07-01), Prescott
patent: 5197306 (1993-03-01), Yamakita
patent: 5522161 (1996-06-01), Vetter
patent: 5586739 (1996-12-01), Fleissner
patent: 5724689 (1998-03-01), Milligan et al.

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