PRODUCTION OF ACTIVE CARBONS FROM AROMATIC CARBOXYLIC ACIDS PETROLEUM COKE ACID OR FROM POROUS CARBONS

摘要

1287276 Activated carbon STANDARD OIL CO 9 Sept 1969 [18 Sept 1968] 10578/72 Divided out of 1287275 Heading C1A Activated carbon is prepared by heating an aromatic acid at 200-275‹ C. for 1-4 hours in an inert atmosphere and then at 350-500‹ C., preferably for “-¥ hour. The acid may be petroleum coke acid and the inert atmosphere may be N 3 or Ar.