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The production of active carbon from brown coal in high yields

✍ Scribed by Robert A. Durie; Harry N.S. Schafer

Publisher: Elsevier Science
Year: 1979
Tongue: English
Weight: 640 KB
Volume: 58
Category: Article
ISSN: 0016-2361
DOI: 10.1016/0016-2361(79)90090-5

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✦ Synopsis

The acid-leached char produced in high yield by the pyrolysis of the potassium salt of a brown coal (Yallourn seam, Victoria, Australia) is shown to have an internal surface area in excess of 1100 m*/g without the need for activation. Tabletting, or extrusion, of the potassium salt of the coal permits production of a hard, active carbon as shaped granules. Of the cations investigated -sodium, potassium and magnesium -potassium was unique with regard to the formation of such a highly active char.

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