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U.S. Patent Specifications

Aircraft Engineering and Aerospace Technology

ISSN: 0002-2667

Article publication date: 1 March 1938



A process for the treatment of distillable carbonaceous materials with added hydrogen or an added gas containing free hydrogen at an elevated temperature between 200 deg. and 700 deg. C. and a pressure in excess of 20 atmospheres, having at least 100 cubic metres of hydrogen present per ton of carbonaceous material treated, which comprises effecting said treatment in the presence as a catalyst of a line granular free metal selected from the group consisting of aluminium, magnalium and aluminium bronze, finely distributed in the carbonaceous material treated, and between 0·01 and 1 per cent with reference to the amount of the said carbonaceous material of a non‐metallic substance comprising free halogen or hydrogen halide, the halogen portion of said non‐metallic substance being selected from the group consisting of chlorine and bromine.


(1938), "U.S. Patent Specifications", Aircraft Engineering and Aerospace Technology, Vol. 10 No. 3, pp. 90-90.




Copyright © 1938, MCB UP Limited

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